DAP4 Data Request Form ATL02_20221231235632_01741814_006_01.h5
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OPeNDAP DAP4 Data Request Form

dataset: ATL02_20221231235632_01741814_006_01.h5
dmr




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    • short_name: ATL02 (Type is String)
    • level: L1B (Type is String)
    • title: SET_BY_META (Type is String)
    • description: Science unit converted time ordered telemetry calibrated for instrument effects. All photon events per channel per transmit pulse. Includes Atmosphere raw profiles. Contains s/c location data. (Type is String)
    • Conventions: CF-1.6 (Type is String)
    • contributor_name: Thomas A Neumann (thomas.neumann@nasa.gov), Thorsten Markus (thorsten.markus@nasa.gov), Suneel Bhardwaj (suneel.bhardwaj@nasa.gov) David W Hancock III (david.w.hancock@nasa.gov) (Type is String)
    • contributor_role: Instrument Engineer, Investigator, Principle Investigator, Data Producer, Data Producer (Type is String)
    • data_rate: Data within this group pertain to the granule in its entirety. (Type is String)
    • date_type: UTC (Type is String)
    • featureType: trajectory (Type is String)
    • geospatial_lat_units: degrees_north (Type is String)
    • geospatial_lon_units: degrees_east (Type is String)
    • granule_type: ATL02 (Type is String)
    • identifier_product_doi_authority: http://dx.doi.org (Type is String)
    • license: Data may not be reproduced or distributed without including the citation for this product included in this metadata. Data may not be distributed in an altered form without the written permission of the ICESat-2 Science Project Office at NASA/GSFC. (Type is String)
    • naming_authority: http://dx.doi.org (Type is String)
    • spatial_coverage_type: Horizontal (Type is String)
    • standard_name_vocabulary: CF-1.6 (Type is String)
    • time_type: CCSDS UTC-A (Type is String)
    • date_created: 2023-01-03T18:15:50.000000Z (Type is String)
    • hdfversion: HDF5 1.10.7 (Type is String)
    • history: 2023-01-03T18:15:50.000000Z;8add2519-6f47-352b-95c1-dd0a36c20c52;Created by PGE atlas_l1b Version 5.0 (Type is String)
    • identifier_file_uuid: 8add2519-6f47-352b-95c1-dd0a36c20c52 (Type is String)
    • identifier_product_format_version: 5.0 (Type is String)
    • time_coverage_duration: 423. (Type is Float64)
    • time_coverage_end: 2023-01-01T00:03:35.000000Z (Type is String)
    • time_coverage_start: 2022-12-31T23:56:32.000000Z (Type is String)
    • geospatial_lat_min: -26.963315599999998 (Type is Float64)
    • geospatial_lon_min: -149.89922479999998 (Type is Float64)
    • geospatial_lat_max: 0.024205599999999997 (Type is Float64)
    • geospatial_lon_max: -147.1225872 (Type is Float64)
    • publisher_name: NSIDC DAAC > NASA National Snow and Ice Data Center Distributed Active Archive Center (Type is String)
    • publisher_email: nsidc@nsidc.org (Type is String)
    • publisher_url: http://nsidc.org/daac/ (Type is String)
    • identifier_product_type: ATL02 (Type is String)
    • identifier_product_doi: doi:10.5067/ATLAS/ATL02.006 (Type is String)
    • institution: National Aeronautics and Space Administration (NASA) (Type is String)
    • creator_name: GSFC I-SIPS > ICESat-2 Science Investigator-led Processing System (Type is String)
    • summary: The purpose of ATL02 is to provide science-unit, calibrated data for upstream processing. Data converted from raw counts to science units, calibrated for instrument effects and precisely time-tagged. ATL02 provides the position and pointing data needed to precisely geolocate each photon. ATL02 is of limited use to the science community. (Type is String)
    • keywords: EARTH SCIENCE > SPECTRAL/ENGINEERING > INFRARED WAVELENGTHS > SENSOR COUNTS > NONE > NONE > Photons (Type is String)
    • keywords_vocabulary: NASA/GCMD Science Keywords (Type is String)
    • citation: Cite these data in publications as follows: The data used in this study were produced by the ICESat-2 Science Project Office at NASA/GSFC. The data archive site is the NASA National Snow and Ice Data Center Distributed Active Archive Center. (Type is String)
    • processing_level: 1B (Type is String)
    • references: http://nsidc.org/data/icesat2/data.html (Type is String)
    • project: ICESat-2 > Ice, Cloud, and land Elevation Satellite-2 (Type is String)
    • instrument: ATLAS > Advanced Topographic Laser Altimeter System (Type is String)
    • platform: ICESat-2 > Ice, Cloud, and land Elevation Satellite-2 (Type is String)
    • source: Spacecraft (Type is String)
      • build_dmrpp_metadata
        • build_dmrpp: 3.20.13-334 (Type is String)
        • bes: 3.20.13-334 (Type is String)
        • libdap: libdap-3.20.11-103 (Type is String)
        • configuration: # TheBESKeys::get_as_config() AllowedHosts=^https?:\/\/ BES.Catalog.catalog.FollowSymLinks=Yes BES.Catalog.catalog.RootDirectory=/usr/share/hyrax/NSIDC BES.Catalog.catalog.TypeMatch=dmrpp:.*\.(dmrpp)$; BES.Catalog.catalog.TypeMatch+=h5:.*(\.bz2|\.gz|\.Z)?$; BES.Data.RootDirectory=/dev/null BES.LogName=./bes.log BES.UncompressCache.dir=/tmp/hyrax_ux BES.UncompressCache.prefix=ux_ BES.UncompressCache.size=500 BES.module.cmd=/usr/lib64/bes/libdap_xml_module.so BES.module.dap=/usr/lib64/bes/libdap_module.so BES.module.dmrpp=/usr/lib64/bes/libdmrpp_module.so BES.module.fonc=/usr/lib64/bes/libfonc_module.so BES.module.h5=/usr/lib64/bes/libhdf5_module.so BES.module.nc=/usr/lib64/bes/libnc_module.so BES.modules=dap,cmd,h5,dmrpp,nc,fonc FONc.ClassicModel=false FONc.NoGlobalAttrs=true H5.EnableCF=false H5.EnableCheckNameClashing=true (Type is String)
        • invocation: build_dmrpp -c /tmp/bes_conf_0LEY -f /usr/share/hyrax/NSIDC/ATL02_20221231235632_01741814_006_01.h5 -r /tmp/dmr__CbHoQl -u file:///usr/share/hyrax/NSIDC/ATL02_20221231235632_01741814_006_01.h5 -M (Type is String)


None


ancillary_data(Type is Group)
  • attributes
    • Description: Contains information ancillary to the data product. This may include product characteristics, instrument characteristics and/or processing constants. (Type is String)
    • data_rate: Data within this group pertain to the granule in its entirety. (Type is String)
  • release[ 0..0] (Type is String)
    • attributes
      • long_name: Release Number (Type is String)
      • units: 1 (Type is String)
      • source: Operations (Type is String)
      • contentType: auxiliaryInformation (Type is String)
      • description: Release number of the granule. The release number is incremented when the software or ancillary data used to create the granule has been changed. (Type is String)
  • end_geoseg[ 0..0] (Type is Int32)
    • attributes
      • long_name: Ending Geolocation Segment (Type is String)
      • units: 1 (Type is String)
      • source: Derived (Type is String)
      • contentType: auxiliaryInformation (Type is String)
      • description: The ending geolocation segment number associated with the data contained within this granule. ICESat granule geographic regions are further refined by geolocation segments. During the geolocation process, a geolocation segment is created approximately every 20m from the start of the orbit to the end. The geolocation segments help align the ATLAS strong a weak beams and provide a common segment length for the L2 and higher products. The geolocation segment indices differ slightly from orbit-to-orbit because of the irregular shape of the Earth. The geolocation segment indices on ATL01 and ATL02 are only approximate because beams have not been aligned at the time of their creation. (Type is String)
  • version[ 0..0] (Type is String)
    • attributes
      • long_name: Version (Type is String)
      • units: 1 (Type is String)
      • source: Operations (Type is String)
      • contentType: auxiliaryInformation (Type is String)
      • description: Version number of this granule within the release. It is a sequential number corresponding to the number of times the granule has been reprocessed for the current release. (Type is String)
  • end_region[ 0..0] (Type is Int32)
    • attributes
      • long_name: Ending Region (Type is String)
      • units: 1 (Type is String)
      • source: Derived (Type is String)
      • contentType: auxiliaryInformation (Type is String)
      • description: The ending product-specific region number associated with the data contained within this granule. ICESat-2 data products are separated by geographic regions. The data contained within a specific region are the same for ATL01 and ATL02. ATL03 regions differ slightly because of different geolocation segment locations caused by the irregular shape of the Earth. The region indices for other products are completely independent. (Type is String)
  • atlas_sdp_gps_epoch[ 0..0] (Type is Float64)
    • attributes
      • long_name: ATLAS Epoch Offset (Type is String)
      • units: seconds since 1980-01-06T00:00:00.000000Z (Type is String)
      • source: Operations (Type is String)
      • contentType: auxiliaryInformation (Type is String)
      • description: Number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS Standard Data Product (SDP) epoch (2018-01-01:T00.00.00.000000 UTC). Add this value to delta time parameters to compute full gps_seconds (relative to the GPS epoch) for each data point. (Type is String)
  • end_rgt[ 0..0] (Type is Int32)
    • attributes
      • long_name: Ending Reference Groundtrack (Type is String)
      • units: 1 (Type is String)
      • source: Derived (Type is String)
      • valid_min: 1 (Type is Int32)
      • valid_max: 1387 (Type is Int32)
      • contentType: auxiliaryInformation (Type is String)
      • description: The ending reference groundtrack (RGT) number associated with the data contained within this granule. There are 1387 reference groundtrack in the ICESat-2 repeat orbit. The reference groundtrack increments each time the spacecraft completes a full orbit of the Earth and resets to 1 each time the spacecraft completes a full cycle. (Type is String)
  • end_delta_time[ 0..0] (Type is Float64)
    • attributes
      • long_name: ATLAS End Time (Actual) (Type is String)
      • standard_name: time (Type is String)
      • units: seconds since 2018-01-01 (Type is String)
      • source: Derived (Type is String)
      • contentType: auxiliaryInformation (Type is String)
      • description: Number of GPS seconds since the ATLAS SDP epoch at the last data point in the file. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
  • end_orbit[ 0..0] (Type is Int32)
    • attributes
      • long_name: Ending Orbit Number (Type is String)
      • units: 1 (Type is String)
      • source: Derived (Type is String)
      • contentType: auxiliaryInformation (Type is String)
      • description: The ending orbit number associated with the data contained within this granule. The orbit number increments each time the spacecraft completes a full orbit of the Earth. (Type is String)
  • start_cycle[ 0..0] (Type is Int32)
    • attributes
      • long_name: Starting Cycle (Type is String)
      • units: 1 (Type is String)
      • source: Derived (Type is String)
      • valid_min: 0 (Type is Int32)
      • valid_max: 99 (Type is Int32)
      • contentType: auxiliaryInformation (Type is String)
      • description: The starting cycle number associated with the data contained within this granule. The cycle number is the counter of the number of 91-day repeat cycles completed by the mission. (Type is String)
  • data_end_utc[ 0..0] (Type is String)
    • attributes
      • long_name: End UTC Time of Granule (CCSDS-A, Actual) (Type is String)
      • units: 1 (Type is String)
      • source: Derived (Type is String)
      • contentType: auxiliaryInformation (Type is String)
      • description: UTC (in CCSDS-A format) of the last data point within the granule. (Type is String)
  • control[ 0..0] (Type is String)
    • attributes
      • long_name: Control File (Type is String)
      • units: 1 (Type is String)
      • source: Operations (Type is String)
      • contentType: auxiliaryInformation (Type is String)
      • description: PGE-specific control file used to generate this granule. To re-use, replace breaks (BR) with linefeeds. (Type is String)
  • start_gpssow[ 0..0] (Type is Float64)
    • attributes
      • long_name: Start GPS SOW of Granule (Actual) (Type is String)
      • units: seconds (Type is String)
      • source: Derived (Type is String)
      • contentType: auxiliaryInformation (Type is String)
      • description: GPS seconds-of-week of the first data point in the granule. (Type is String)
  • granule_end_utc[ 0..0] (Type is String)
    • attributes
      • long_name: End UTC Time of Granule (CCSDS-A, Requested) (Type is String)
      • units: 1 (Type is String)
      • source: Derived (Type is String)
      • contentType: auxiliaryInformation (Type is String)
      • description: Requested end time (in UTC CCSDS-A) of this granule. (Type is String)
  • end_cycle[ 0..0] (Type is Int32)
    • attributes
      • long_name: Ending Cycle (Type is String)
      • units: 1 (Type is String)
      • source: Derived (Type is String)
      • valid_min: 0 (Type is Int32)
      • valid_max: 99 (Type is Int32)
      • contentType: auxiliaryInformation (Type is String)
      • description: The ending cycle number associated with the data contained within this granule. The cycle number is the counter of the number of 91-day repeat cycles completed by the mission. (Type is String)
  • granule_start_utc[ 0..0] (Type is String)
    • attributes
      • long_name: Start UTC Time of Granule (CCSDS-A, Requested) (Type is String)
      • units: 1 (Type is String)
      • source: Derived (Type is String)
      • contentType: auxiliaryInformation (Type is String)
      • description: Requested start time (in UTC CCSDS-A) of this granule. (Type is String)
  • start_delta_time[ 0..0] (Type is Float64)
    • attributes
      • long_name: ATLAS Start Time (Actual) (Type is String)
      • standard_name: time (Type is String)
      • units: seconds since 2018-01-01 (Type is String)
      • source: Derived (Type is String)
      • contentType: auxiliaryInformation (Type is String)
      • description: Number of GPS seconds since the ATLAS SDP epoch at the first data point in the file. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
  • start_geoseg[ 0..0] (Type is Int32)
    • attributes
      • long_name: Starting Geolocation Segment (Type is String)
      • units: 1 (Type is String)
      • source: Derived (Type is String)
      • contentType: auxiliaryInformation (Type is String)
      • description: The starting geolocation segment number associated with the data contained within this granule. ICESat granule geographic regions are further refined by geolocation segments. During the geolocation process, a geolocation segment is created approximately every 20m from the start of the orbit to the end. The geolocation segments help align the ATLAS strong a weak beams and provide a common segment length for the L2 and higher products. The geolocation segment indices differ slightly from orbit-to-orbit because of the irregular shape of the Earth. The geolocation segment indices on ATL01 and ATL02 are only approximate because beams have not been aligned at the time of their creation. (Type is String)
  • start_orbit[ 0..0] (Type is Int32)
    • attributes
      • long_name: Starting Orbit Number (Type is String)
      • units: 1 (Type is String)
      • source: Derived (Type is String)
      • contentType: auxiliaryInformation (Type is String)
      • description: The starting orbit number associated with the data contained within this granule. The orbit number increments each time the spacecraft completes a full orbit of the Earth. (Type is String)
  • data_start_utc[ 0..0] (Type is String)
    • attributes
      • long_name: Start UTC Time of Granule (CCSDS-A, Actual) (Type is String)
      • units: 1 (Type is String)
      • source: Derived (Type is String)
      • contentType: auxiliaryInformation (Type is String)
      • description: UTC (in CCSDS-A format) of the first data point within the granule. (Type is String)
  • end_gpsweek[ 0..0] (Type is Int32)
    • attributes
      • long_name: Ending GPSWeek of Granule (Actual) (Type is String)
      • units: weeks from 1980-01-06 (Type is String)
      • source: Derived (Type is String)
      • contentType: auxiliaryInformation (Type is String)
      • description: GPS week number of the last data point in the granule. (Type is String)
  • start_rgt[ 0..0] (Type is Int32)
    • attributes
      • long_name: Starting Reference Groundtrack (Type is String)
      • units: 1 (Type is String)
      • source: Derived (Type is String)
      • valid_min: 1 (Type is Int32)
      • valid_max: 1387 (Type is Int32)
      • contentType: auxiliaryInformation (Type is String)
      • description: The starting reference groundtrack (RGT) number associated with the data contained within this granule. There are 1387 reference groundtrack in the ICESat-2 repeat orbit. The reference groundtrack increments each time the spacecraft completes a full orbit of the Earth and resets to 1 each time the spacecraft completes a full cycle. (Type is String)
  • end_gpssow[ 0..0] (Type is Float64)
    • attributes
      • long_name: Ending GPS SOW of Granule (Actual) (Type is String)
      • units: seconds (Type is String)
      • source: Derived (Type is String)
      • contentType: auxiliaryInformation (Type is String)
      • description: GPS seconds-of-week of the last data point in the granule. (Type is String)
  • qa_at_interval[ 0..0] (Type is Float64)
    • attributes
      • long_name: QA Along-Track Interval (Type is String)
      • units: 1 (Type is String)
      • source: control (Type is String)
      • contentType: auxiliaryInformation (Type is String)
      • description: Statistics time interval for along-track QA data. (Type is String)
  • start_region[ 0..0] (Type is Int32)
    • attributes
      • long_name: Starting Region (Type is String)
      • units: 1 (Type is String)
      • source: Derived (Type is String)
      • contentType: auxiliaryInformation (Type is String)
      • description: The starting product-specific region number associated with the data contained within this granule. ICESat-2 data products are separated by geographic regions. The data contained within a specific region are the same for ATL01 and ATL02. ATL03 regions differ slightly because of different geolocation segment locations caused by the irregular shape of the Earth. The region indices for other products are completely independent. (Type is String)
  • start_gpsweek[ 0..0] (Type is Int32)
    • attributes
      • long_name: Start GPSWeek of Granule (Actual) (Type is String)
      • units: weeks from 1980-01-06 (Type is String)
      • source: Derived (Type is String)
      • contentType: auxiliaryInformation (Type is String)
      • description: GPS week number of the first data point in the granule. (Type is String)
  • calibrations(Type is Group)
    • attributes
      • Description: This group contains calibrations derived from the ATLAS CAL products. (Type is String)
    Dimensions: [ /ancillary_data/calibrations/ds_channel = 0..19 ] [ /ancillary_data/calibrations/ds_fine_counts = 0..74 ]
    • ds_channel[ /ancillary_data/calibrations/ds_channel= 0..19] (Type is Int8)
      • attributes
        • long_name: Channel (Type is String)
        • units: 1 (Type is String)
        • source: Dimension Scale (Type is String)
        • valid_min: 1 (Type is Int8)
        • valid_max: 20 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Dimension scale for ATLAS PCE channels (1-16=strong, 17-20=weak) (Type is String)
    • ds_fine_counts[ /ancillary_data/calibrations/ds_fine_counts= 0..74] (Type is Int8)
      • attributes
        • units: 1 (Type is String)
        • long_name: Fine Counts (Type is String)
        • source: Dimension Scale (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 74 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Dimension scale for ATLAS Time-of-flight fine counts. (Type is String)
    • laser_energy_conversion(Type is Group)
      • attributes
        • Description: Contains CAL54 - absolute, energy monitor (Type is String)
      • base_temp[ 0..0] (Type is Float32)
        • attributes
          • long_name: Base Temperature (Type is String)
          • units: degC (Type is String)
          • source: CAL54 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Base temperature coefficient. (Type is String)
      • cal54_product[ 0..0] (Type is String)
        • attributes
          • long_name: CAL File Name (Type is String)
          • units: 1 (Type is String)
          • source: CAL54 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Name of source file containing the calibration data (Type is String)
      • internal[ 0..7] (Type is Float64)
        • attributes
          • long_name: Laser Internal Coeffs (Type is String)
          • units: 1 (Type is String)
          • source: CAL54 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Internal laser monitor coefficients (a_(J),b0_(J/count),b1_(J/degC_count),c0_(J/count^2),c1_(J/degC_count^2),d_(J/count^3),e_(J/count^4),std_of_residuals) (Type is String)
      • lrs[ 0..7] (Type is Float64)
        • attributes
          • long_name: LRS Coeffs (Type is String)
          • units: 1 (Type is String)
          • source: CAL54 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: LRS coefficients a_(J),b0_(J/count),b1_(J/degC_count),c0_(J/count^2),c1_(J/degC_count^2),d_(J/count^3),e_(J/count^4),std_of_residuals (Type is String)
      • spd[ 0..7] (Type is Float64)
        • attributes
          • long_name: SPD Coeffs (Type is String)
          • units: 1 (Type is String)
          • source: CAL54 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: SPD laser monitor coefficients a_(J),b0_(J/count),b1_(J/degC_count),c0_(J/count^2),c1_(J/degC_count^2),d_(J/count^3),e_(J/count^4),std_of_residuals (Type is String)
    • low_link_impulse_response(Type is Group)
      • attributes
        • Description: CAL20 - System low link impulse response. Calibrates receiver impulse response, including optical and electrically introduced reflections. (Type is String)
      Dimensions: [ /ancillary_data/calibrations/low_link_impulse_response/hist_x = 0..1999 ]
      • laser[ 0..0] (Type is Int32)
        • attributes
          • long_name: Laser (Type is String)
          • units: 1 (Type is String)
          • source: CAL20 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Laser Number (Type is String)
      • hist_x[ /ancillary_data/calibrations/low_link_impulse_response/hist_x= 0..1999] (Type is Float64)
        • attributes
          • long_name: Histogram Bin X Values (Type is String)
          • units: 1 (Type is String)
          • source: CAL20 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Histogram bin x-values (Type is String)
      • mode[ 0..0] (Type is Int32)
        • attributes
          • long_name: Laser Power Setting (Type is String)
          • units: 1 (Type is String)
          • source: CAL20 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Laser Power Setting (Type is String)
      • return_source[ 0..0] (Type is Int32)
        • attributes
          • long_name: Return Source (Type is String)
          • units: 1 (Type is String)
          • source: CAL20 (Type is String)
          • valid_min: 0 (Type is Int32)
          • valid_max: 3 (Type is Int32)
          • contentType: auxiliaryInformation (Type is String)
          • description: Source of the events from which the data are derived. (Type is String)
          • flag_meanings: none tep maat echo (Type is String)
          • flag_values: 0, 1, 2, 3 (Type is Int32)
      • cal20_product[ 0..0] (Type is String)
        • attributes
          • long_name: CAL Product Name (Type is String)
          • units: 1 (Type is String)
          • source: CAL20 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Name of ATLAS CAL Product containing the calibration data (Type is String)
      • num_bins[ 0..0] (Type is Int32)
        • attributes
          • long_name: Number of Bins (Type is String)
          • units: 1 (Type is String)
          • source: CAL20 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Number of bins in the histogram (Type is String)
      • temperature[ 0..0] (Type is Float32)
        • attributes
          • long_name: Temperature (Type is String)
          • units: degreesC (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Temperature for which calibrations are provided. (Type is String)
          • source: CAL20 (Type is String)
      • bin_width[ 0..0] (Type is Float32)
        • attributes
          • long_name: Bin Width (Type is String)
          • units: seconds (Type is String)
          • source: CAL20 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Histogram bin width (Type is String)
      • side[ 0..0] (Type is Int32)
        • attributes
          • long_name: A_or_B (Type is String)
          • units: 1 (Type is String)
          • source: CAL20 (Type is String)
          • valid_min: 1 (Type is Int32)
          • valid_max: 2 (Type is Int32)
          • contentType: auxiliaryInformation (Type is String)
          • description: A or B Side Component (Type is String)
          • flag_meanings: A B (Type is String)
          • flag_values: 1, 2 (Type is Int32)
      • pce1(Type is Group)
        • attributes
          • Description: CAL20 - System low link impulse response. Calibrates receiver impulse response, including optical and electrically introduced reflections. (Type is String)
        • hist[ /ancillary_data/calibrations/ds_channel= 0..19] [ /ancillary_data/calibrations/low_link_impulse_response/hist_x= 0..1999] (Type is Float64)
          • attributes
            • long_name: Histogram (Type is String)
            • units: 1 (Type is String)
            • source: CAL20 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Per-Channel Histogram (Type is String)
        • total_events[ /ancillary_data/calibrations/ds_channel= 0..19] (Type is Int64)
          • attributes
            • long_name: Total Events (Type is String)
            • units: 1 (Type is String)
            • source: CAL20 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Number of events used in constructing the per-channel histogram (Type is String)
      • pce2(Type is Group)
        • attributes
          • Description: CAL20 - System low link impulse response. Calibrates receiver impulse response, including optical and electrically introduced reflections. (Type is String)
        • hist[ /ancillary_data/calibrations/ds_channel= 0..19] [ /ancillary_data/calibrations/low_link_impulse_response/hist_x= 0..1999] (Type is Float64)
          • attributes
            • long_name: Histogram (Type is String)
            • units: 1 (Type is String)
            • source: CAL20 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Per-Channel Histogram (Type is String)
        • total_events[ /ancillary_data/calibrations/ds_channel= 0..19] (Type is Int64)
          • attributes
            • long_name: Total Events (Type is String)
            • units: 1 (Type is String)
            • source: CAL20 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Number of events used in constructing the per-channel histogram (Type is String)
      • pce3(Type is Group)
        • attributes
          • Description: CAL20 - System low link impulse response. Calibrates receiver impulse response, including optical and electrically introduced reflections. (Type is String)
        • hist[ /ancillary_data/calibrations/ds_channel= 0..19] [ /ancillary_data/calibrations/low_link_impulse_response/hist_x= 0..1999] (Type is Float64)
          • attributes
            • long_name: Histogram (Type is String)
            • units: 1 (Type is String)
            • source: CAL20 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Per-Channel Histogram (Type is String)
        • total_events[ /ancillary_data/calibrations/ds_channel= 0..19] (Type is Int64)
          • attributes
            • long_name: Total Events (Type is String)
            • units: 1 (Type is String)
            • source: CAL20 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Number of events used in constructing the per-channel histogram (Type is String)
    • rx_sensitivity_to_misalignment(Type is Group)
      • attributes
        • Description: CAL47 - Provides a calibration for Receiver Sensitivity as a function of Transmit-to-Receiver Beam Misalignment. (Type is String)
      Dimensions: [ /ancillary_data/calibrations/rx_sensitivity_to_misalignment/elevation = 0..139 ] [ /ancillary_data/calibrations/rx_sensitivity_to_misalignment/azimuth = 0..139 ]
      • azimuth_grid_range[ 0..1] (Type is Float32)
        • attributes
          • long_name: Azimuth Grid Range (Type is String)
          • units: microradians (Type is String)
          • source: CAL47_IMG (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Azimuth Grid Range (Type is String)
      • cal47_product[ 0..5] (Type is String)
        • attributes
          • long_name: CAL Product Name (Type is String)
          • units: 1 (Type is String)
          • source: CAL47_IMG (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Name of ATLAS CAL Product containing the calibration data (Type is String)
      • elevation[ /ancillary_data/calibrations/rx_sensitivity_to_misalignment/elevation= 0..139] (Type is Float64)
        • attributes
          • long_name: Elevation (Type is String)
          • units: microradians (Type is String)
          • source: CAL47_IMG (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Elevation (Type is String)
      • azimuth[ /ancillary_data/calibrations/rx_sensitivity_to_misalignment/azimuth= 0..139] (Type is Float64)
        • attributes
          • long_name: Azimuth (Type is String)
          • units: microradians (Type is String)
          • source: CAL47_IMG (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Azimuth (Type is String)
      • temperature[ 0..0] (Type is Float32)
        • attributes
          • long_name: Temperature (Type is String)
          • units: degC (Type is String)
          • source: CAL47_IMG (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Reference temperature within the CAL47 product. (Type is String)
      • grid_spacing[ 0..0] (Type is Float32)
        • attributes
          • long_name: Grid Spacing (Type is String)
          • units: microradians (Type is String)
          • source: CAL47_IMG (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: GridSpacing (Type is String)
      • elevation_grid_range[ 0..1] (Type is Float32)
        • attributes
          • long_name: Elevation Grid Range (Type is String)
          • units: microradians (Type is String)
          • source: CAL47_IMG (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Elevation Grid Range (Type is String)
      • pce1(Type is Group)
        • attributes
          • Description: CAL47 - Rx Sensitivity as a function of TX-to-IFOV Misalignments. Correlates the residual misalignment of the total 6 beams (given the single BSM AZ/El mirror) interspersed among AMCS calibrations, to apparent shifts in signal gain. (Type is String)
        • rel_intensity_strong[ /ancillary_data/calibrations/rx_sensitivity_to_misalignment/azimuth= 0..139] [ /ancillary_data/calibrations/rx_sensitivity_to_misalignment/elevation= 0..139] (Type is Float64)
          • attributes
            • long_name: Relative intensity (Type is String)
            • units: 1 (Type is String)
            • source: CAL47_IMG (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot relative intensity (Type is String)
        • rel_intensity_weak[ /ancillary_data/calibrations/rx_sensitivity_to_misalignment/azimuth= 0..139] [ /ancillary_data/calibrations/rx_sensitivity_to_misalignment/elevation= 0..139] (Type is Float64)
          • attributes
            • long_name: Relative intensity (Type is String)
            • units: 1 (Type is String)
            • source: CAL47_IMG (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot relative intensity (Type is String)
      • pce2(Type is Group)
        • attributes
          • Description: CAL47 - Rx Sensitivity as a function of TX-to-IFOV Misalignments. Correlates the residual misalignment of the total 6 beams (given the single BSM AZ/El mirror) interspersed among AMCS calibrations, to apparent shifts in signal gain. (Type is String)
        • rel_intensity_strong[ /ancillary_data/calibrations/rx_sensitivity_to_misalignment/azimuth= 0..139] [ /ancillary_data/calibrations/rx_sensitivity_to_misalignment/elevation= 0..139] (Type is Float64)
          • attributes
            • long_name: Relative intensity (Type is String)
            • units: 1 (Type is String)
            • source: CAL47_IMG (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot relative intensity (Type is String)
        • rel_intensity_weak[ /ancillary_data/calibrations/rx_sensitivity_to_misalignment/azimuth= 0..139] [ /ancillary_data/calibrations/rx_sensitivity_to_misalignment/elevation= 0..139] (Type is Float64)
          • attributes
            • long_name: Relative intensity (Type is String)
            • units: 1 (Type is String)
            • source: CAL47_IMG (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot relative intensity (Type is String)
      • pce3(Type is Group)
        • attributes
          • Description: CAL47 - Rx Sensitivity as a function of TX-to-IFOV Misalignments. Correlates the residual misalignment of the total 6 beams (given the single BSM AZ/El mirror) interspersed among AMCS calibrations, to apparent shifts in signal gain. (Type is String)
        • rel_intensity_strong[ /ancillary_data/calibrations/rx_sensitivity_to_misalignment/azimuth= 0..139] [ /ancillary_data/calibrations/rx_sensitivity_to_misalignment/elevation= 0..139] (Type is Float64)
          • attributes
            • long_name: Relative intensity (Type is String)
            • units: 1 (Type is String)
            • source: CAL47_IMG (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot relative intensity (Type is String)
        • rel_intensity_weak[ /ancillary_data/calibrations/rx_sensitivity_to_misalignment/azimuth= 0..139] [ /ancillary_data/calibrations/rx_sensitivity_to_misalignment/elevation= 0..139] (Type is Float64)
          • attributes
            • long_name: Relative intensity (Type is String)
            • units: 1 (Type is String)
            • source: CAL47_IMG (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot relative intensity (Type is String)
    • receiver_channel_skews(Type is Group)
      • attributes
        • Description: CAL49 - Receiver Channel Skews. Timing skews for every rising/fall channel on ATLAS. (Type is String)
      • pce1(Type is Group)
        • attributes
          • Description: CAL49 - Receiver Channel Skews. Timing skews for every rising/fall channel on ATLAS. (Type is String)
        • cal49_product[ 0..0] (Type is String)
          • attributes
            • long_name: CAL Product Name (Type is String)
            • units: 1 (Type is String)
            • source: CAL49 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Name of ATLAS CAL Product containing the calibration data (Type is String)
        • skew_fall[ /ancillary_data/calibrations/ds_channel= 0..19] (Type is Float32)
          • attributes
            • long_name: Skew_Fall (Type is String)
            • units: seconds (Type is String)
            • source: CAL49 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Per-channel skew (Fall) (Type is String)
        • skew_fall_stderr[ /ancillary_data/calibrations/ds_channel= 0..19] (Type is Float32)
          • attributes
            • long_name: Skew_Fall StdErr (Type is String)
            • units: seconds (Type is String)
            • source: CAL49 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Standard error of the calculated skew (Fall) (Type is String)
        • skew_rise[ /ancillary_data/calibrations/ds_channel= 0..19] (Type is Float32)
          • attributes
            • long_name: Skew_Rise (Type is String)
            • units: seconds (Type is String)
            • source: CAL49 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Per-channel skew (Rise) (Type is String)
        • skew_rise_stderr[ /ancillary_data/calibrations/ds_channel= 0..19] (Type is Float32)
          • attributes
            • long_name: Skew_Rise StdErr (Type is String)
            • units: seconds (Type is String)
            • source: CAL49 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Standard error of the calculated skew (Rise) (Type is String)
        • side[ 0..0] (Type is Int32)
          • attributes
            • long_name: Primary_Redundant (Type is String)
            • units: 1 (Type is String)
            • source: CAL49 (Type is String)
            • valid_min: 1 (Type is Int32)
            • valid_max: 2 (Type is Int32)
            • contentType: auxiliaryInformation (Type is String)
            • description: Primary or Redundant Component (Type is String)
            • flag_meanings: PRIM REDU (Type is String)
            • flag_values: 1, 2 (Type is Int32)
        • temperature[ 0..0] (Type is Float32)
          • attributes
            • long_name: Temperature (Type is String)
            • units: degreesC (Type is String)
            • source: CAL49 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Temperature for which calibrations are retrieved. (Type is String)
      • pce2(Type is Group)
        • attributes
          • Description: CAL49 - Receiver Channel Skews. Timing skews for every rising/fall channel on ATLAS. (Type is String)
        • cal49_product[ 0..0] (Type is String)
          • attributes
            • long_name: CAL Product Name (Type is String)
            • units: 1 (Type is String)
            • source: CAL49 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Name of ATLAS CAL Product containing the calibration data (Type is String)
        • skew_fall[ /ancillary_data/calibrations/ds_channel= 0..19] (Type is Float32)
          • attributes
            • long_name: Skew_Fall (Type is String)
            • units: seconds (Type is String)
            • source: CAL49 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Per-channel skew (Fall) (Type is String)
        • skew_fall_stderr[ /ancillary_data/calibrations/ds_channel= 0..19] (Type is Float32)
          • attributes
            • long_name: Skew_Fall StdErr (Type is String)
            • units: seconds (Type is String)
            • source: CAL49 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Standard error of the calculated skew (Fall) (Type is String)
        • skew_rise[ /ancillary_data/calibrations/ds_channel= 0..19] (Type is Float32)
          • attributes
            • long_name: Skew_Rise (Type is String)
            • units: seconds (Type is String)
            • source: CAL49 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Per-channel skew (Rise) (Type is String)
        • skew_rise_stderr[ /ancillary_data/calibrations/ds_channel= 0..19] (Type is Float32)
          • attributes
            • long_name: Skew_Rise StdErr (Type is String)
            • units: seconds (Type is String)
            • source: CAL49 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Standard error of the calculated skew (Rise) (Type is String)
        • side[ 0..0] (Type is Int32)
          • attributes
            • long_name: Primary_Redundant (Type is String)
            • units: 1 (Type is String)
            • source: CAL49 (Type is String)
            • valid_min: 1 (Type is Int32)
            • valid_max: 2 (Type is Int32)
            • contentType: auxiliaryInformation (Type is String)
            • description: Primary or Redundant Component (Type is String)
            • flag_meanings: PRIM REDU (Type is String)
            • flag_values: 1, 2 (Type is Int32)
        • temperature[ 0..0] (Type is Float32)
          • attributes
            • long_name: Temperature (Type is String)
            • units: degreesC (Type is String)
            • source: CAL49 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Temperature for which calibrations are retrieved. (Type is String)
      • pce3(Type is Group)
        • attributes
          • Description: CAL49 - Receiver Channel Skews. Timing skews for every rising/fall channel on ATLAS. (Type is String)
        • cal49_product[ 0..0] (Type is String)
          • attributes
            • long_name: CAL Product Name (Type is String)
            • units: 1 (Type is String)
            • source: CAL49 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Name of ATLAS CAL Product containing the calibration data (Type is String)
        • skew_fall[ /ancillary_data/calibrations/ds_channel= 0..19] (Type is Float32)
          • attributes
            • long_name: Skew_Fall (Type is String)
            • units: seconds (Type is String)
            • source: CAL49 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Per-channel skew (Fall) (Type is String)
        • skew_fall_stderr[ /ancillary_data/calibrations/ds_channel= 0..19] (Type is Float32)
          • attributes
            • long_name: Skew_Fall StdErr (Type is String)
            • units: seconds (Type is String)
            • source: CAL49 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Standard error of the calculated skew (Fall) (Type is String)
        • skew_rise[ /ancillary_data/calibrations/ds_channel= 0..19] (Type is Float32)
          • attributes
            • long_name: Skew_Rise (Type is String)
            • units: seconds (Type is String)
            • source: CAL49 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Per-channel skew (Rise) (Type is String)
        • skew_rise_stderr[ /ancillary_data/calibrations/ds_channel= 0..19] (Type is Float32)
          • attributes
            • long_name: Skew_Rise StdErr (Type is String)
            • units: seconds (Type is String)
            • source: CAL49 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Standard error of the calculated skew (Rise) (Type is String)
        • side[ 0..0] (Type is Int32)
          • attributes
            • long_name: Primary_Redundant (Type is String)
            • units: 1 (Type is String)
            • source: CAL49 (Type is String)
            • valid_min: 1 (Type is Int32)
            • valid_max: 2 (Type is Int32)
            • contentType: auxiliaryInformation (Type is String)
            • description: Primary or Redundant Component (Type is String)
            • flag_meanings: PRIM REDU (Type is String)
            • flag_values: 1, 2 (Type is Int32)
        • temperature[ 0..0] (Type is Float32)
          • attributes
            • long_name: Temperature (Type is String)
            • units: degreesC (Type is String)
            • source: CAL49 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Temperature for which calibrations are retrieved. (Type is String)
    • dead_time_radiometric_signal_loss(Type is Group)
      • attributes
        • Description: CAL34 - Dead-time Radiometric Signal Loss. Contains a table of radiometric corrections versus apparent return strength and width for several dead-time values. Correction is to be multiplied by raw return strength to get corrected return strength (Type is String)
      • cal34_product[ 0..5] (Type is String)
        • attributes
          • long_name: CAL Product Name (Type is String)
          • units: 1 (Type is String)
          • source: CAL34 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Name of ATLAS CAL Products containing the calibration data (Type is String)
      • rad_corr[ 0..5] [ 0..159] [ 0..497] (Type is Float64)
        • attributes
          • long_name: Radiometric Correction (Type is String)
          • units: 1 (Type is String)
          • source: CAL34 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Radiometric Correction (width, strength, deadtime) (Type is String)
      • strength_strong[ 0..5] [ 0..159] (Type is Float64)
        • attributes
          • long_name: Strong Beam Strength (Type is String)
          • units: events/shot (Type is String)
          • source: CAL34 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Strong spot strength in events/shot (strength, deadtime) (Type is String)
      • dead_time[ 0..5] (Type is Float32)
        • attributes
          • long_name: Dead Time (Type is String)
          • units: ns (Type is String)
          • source: CAL34 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Dead time value (Type is String)
      • strength_weak[ 0..5] [ 0..159] (Type is Float64)
        • attributes
          • long_name: Weak Beam Strength (Type is String)
          • units: events/shot (Type is String)
          • source: CAL34 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Weak spot strength in events/shot (strength, deadtime) (Type is String)
      • width[ 0..5] [ 0..497] (Type is Float64)
        • attributes
          • long_name: Apparent Width (Type is String)
          • units: ns (Type is String)
          • source: CAL34 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Apparent width (width, deadtime) (Type is String)
    • first_photon_bias(Type is Group)
      • attributes
        • Description: CAL19 -First Photon Bias. Provides a correction for first photon bias. (Type is String)
      • dead_time[ 0..5] (Type is Float32)
        • attributes
          • long_name: Dead Time (Type is String)
          • units: ns (Type is String)
          • source: Derived (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Dead time value (Type is String)
      • cal19_product[ 0..5] (Type is String)
        • attributes
          • long_name: CAL Product Name (Type is String)
          • units: 1 (Type is String)
          • source: Derived (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Name of ATLAS CAL Products containing the calibration data (Type is String)
      • strength_strong[ 0..5] [ 0..159] (Type is Float64)
        • attributes
          • long_name: Strong Beam Strength (Type is String)
          • units: events/shot (Type is String)
          • source: Derived (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Strong spot strength in events/shot (strength, deadtime) (Type is String)
      • strength_weak[ 0..5] [ 0..159] (Type is Float64)
        • attributes
          • long_name: Weak Beam Strength (Type is String)
          • units: events/shot (Type is String)
          • source: Derived (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Weak spot strength in events/shot (strength, deadtime) (Type is String)
      • ffb_corr[ 0..5] [ 0..159] [ 0..497] (Type is Float64)
        • attributes
          • long_name: FFB Correction (Type is String)
          • units: 1 (Type is String)
          • source: Derived (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: First Photon Bias Correction (width, strength, deadtime) (Type is String)
      • width[ 0..5] [ 0..497] (Type is Float64)
        • attributes
          • long_name: Apparent Width (Type is String)
          • units: ns (Type is String)
          • source: Derived (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Apparent width (width, deadtime) (Type is String)
    • effective_cell_delay(Type is Group)
      • attributes
        • Description: CAL17 - PCE Effective Cell Delay. Calibration product for PCE Unit Cell Delay -- a matrix of effective fine counts as a function of temperature, voltage, PCE card, channel, and event edge (rising, falling). (Type is String)
      • cal17_product[ 0..2] (Type is String)
        • attributes
          • long_name: CAL Product Name (Type is String)
          • units: 1 (Type is String)
          • source: CAL17 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Name of ATLAS CAL Product containing the calibration data (Type is String)
      • pce1(Type is Group)
        • attributes
          • Description: CAL17 - PCE Effective Cell Delay. Calibration product for PCE Unit Cell Delay -- a matrix of effective fine counts as a function of temperature, voltage, PCE card, channel, and event edge (rising, falling). (Type is String)
        Dimensions: [ /ancillary_data/calibrations/effective_cell_delay/pce1/temperature = 0..0 ]
        • cal_fall[ /ancillary_data/calibrations/effective_cell_delay/pce1/temperature= 0..0] (Type is Float32)
          • attributes
            • long_name: Call Falling (Type is String)
            • units: 1 (Type is String)
            • source: CAL17 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Cal_fall value which calibrations are provided (indexed by raw_cal_fall/256) (Type is String)
        • efc_fall[ /ancillary_data/calibrations/effective_cell_delay/pce1/temperature= 0..0] [ /ancillary_data/calibrations/ds_channel= 0..19] [ /ancillary_data/calibrations/ds_fine_counts= 0..74] (Type is Float32)
          • attributes
            • long_name: EFC Falling (Type is String)
            • units: counts (Type is String)
            • source: CAL17 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Effective Rx falling fine cell count (cell, channel, temp) (Type is String)
        • cal_rise[ /ancillary_data/calibrations/effective_cell_delay/pce1/temperature= 0..0] (Type is Float32)
          • attributes
            • long_name: Call Rising (Type is String)
            • units: 1 (Type is String)
            • source: CAL17 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Cal_rise value which calibrations are provided (index to raw_cal_rise/256) (Type is String)
        • efc_ll[ /ancillary_data/calibrations/effective_cell_delay/pce1/temperature= 0..0] [ /ancillary_data/calibrations/ds_fine_counts= 0..74] (Type is Float32)
          • attributes
            • long_name: EFC LL (Type is String)
            • units: counts (Type is String)
            • source: CAL17 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Effective Tx fine cell count for leading lower (cell, temp) (Type is String)
        • efc_rise[ /ancillary_data/calibrations/effective_cell_delay/pce1/temperature= 0..0] [ /ancillary_data/calibrations/ds_channel= 0..19] [ /ancillary_data/calibrations/ds_fine_counts= 0..74] (Type is Float32)
          • attributes
            • long_name: EFC Rising (Type is String)
            • units: counts (Type is String)
            • source: CAL17 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Effective rising Rx fine cell count (cell, channel, temp) (Type is String)
        • efc_ot[ /ancillary_data/calibrations/effective_cell_delay/pce1/temperature= 0..0] [ /ancillary_data/calibrations/ds_fine_counts= 0..74] (Type is Float32)
          • attributes
            • long_name: EFC Other (Type is String)
            • units: counts (Type is String)
            • source: CAL17 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Effective Tx fine cell count for other (cell, temp) (Type is String)
        • temperature[ /ancillary_data/calibrations/effective_cell_delay/pce1/temperature= 0..0] (Type is Float32)
          • attributes
            • long_name: Temperature (Type is String)
            • units: degreesC (Type is String)
            • source: CAL17 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Temperature for which calibrations are provided. (Type is String)
      • pce2(Type is Group)
        • attributes
          • Description: CAL17 - PCE Effective Cell Delay. Calibration product for PCE Unit Cell Delay -- a matrix of effective fine counts as a function of temperature, voltage, PCE card, channel, and event edge (rising, falling). (Type is String)
        Dimensions: [ /ancillary_data/calibrations/effective_cell_delay/pce2/temperature = 0..0 ]
        • cal_fall[ /ancillary_data/calibrations/effective_cell_delay/pce2/temperature= 0..0] (Type is Float32)
          • attributes
            • long_name: Call Falling (Type is String)
            • units: 1 (Type is String)
            • source: CAL17 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Cal_fall value which calibrations are provided (indexed by raw_cal_fall/256) (Type is String)
        • efc_fall[ /ancillary_data/calibrations/effective_cell_delay/pce2/temperature= 0..0] [ /ancillary_data/calibrations/ds_channel= 0..19] [ /ancillary_data/calibrations/ds_fine_counts= 0..74] (Type is Float32)
          • attributes
            • long_name: EFC Falling (Type is String)
            • units: counts (Type is String)
            • source: CAL17 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Effective Rx falling fine cell count (cell, channel, temp) (Type is String)
        • cal_rise[ /ancillary_data/calibrations/effective_cell_delay/pce2/temperature= 0..0] (Type is Float32)
          • attributes
            • long_name: Call Rising (Type is String)
            • units: 1 (Type is String)
            • source: CAL17 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Cal_rise value which calibrations are provided (index to raw_cal_rise/256) (Type is String)
        • efc_ll[ /ancillary_data/calibrations/effective_cell_delay/pce2/temperature= 0..0] [ /ancillary_data/calibrations/ds_fine_counts= 0..74] (Type is Float32)
          • attributes
            • long_name: EFC LL (Type is String)
            • units: counts (Type is String)
            • source: CAL17 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Effective Tx fine cell count for leading lower (cell, temp) (Type is String)
        • efc_rise[ /ancillary_data/calibrations/effective_cell_delay/pce2/temperature= 0..0] [ /ancillary_data/calibrations/ds_channel= 0..19] [ /ancillary_data/calibrations/ds_fine_counts= 0..74] (Type is Float32)
          • attributes
            • long_name: EFC Rising (Type is String)
            • units: counts (Type is String)
            • source: CAL17 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Effective rising Rx fine cell count (cell, channel, temp) (Type is String)
        • efc_ot[ /ancillary_data/calibrations/effective_cell_delay/pce2/temperature= 0..0] [ /ancillary_data/calibrations/ds_fine_counts= 0..74] (Type is Float32)
          • attributes
            • long_name: EFC Other (Type is String)
            • units: counts (Type is String)
            • source: CAL17 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Effective Tx fine cell count for other (cell, temp) (Type is String)
        • temperature[ /ancillary_data/calibrations/effective_cell_delay/pce2/temperature= 0..0] (Type is Float32)
          • attributes
            • long_name: Temperature (Type is String)
            • units: degreesC (Type is String)
            • source: CAL17 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Temperature for which calibrations are provided. (Type is String)
      • pce3(Type is Group)
        • attributes
          • Description: CAL17 - PCE Effective Cell Delay. Calibration product for PCE Unit Cell Delay -- a matrix of effective fine counts as a function of temperature, voltage, PCE card, channel, and event edge (rising, falling). (Type is String)
        Dimensions: [ /ancillary_data/calibrations/effective_cell_delay/pce3/temperature = 0..0 ]
        • cal_fall[ /ancillary_data/calibrations/effective_cell_delay/pce3/temperature= 0..0] (Type is Float32)
          • attributes
            • long_name: Call Falling (Type is String)
            • units: 1 (Type is String)
            • source: CAL17 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Cal_fall value which calibrations are provided (indexed by raw_cal_fall/256) (Type is String)
        • efc_fall[ /ancillary_data/calibrations/effective_cell_delay/pce3/temperature= 0..0] [ /ancillary_data/calibrations/ds_channel= 0..19] [ /ancillary_data/calibrations/ds_fine_counts= 0..74] (Type is Float32)
          • attributes
            • long_name: EFC Falling (Type is String)
            • units: counts (Type is String)
            • source: CAL17 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Effective Rx falling fine cell count (cell, channel, temp) (Type is String)
        • cal_rise[ /ancillary_data/calibrations/effective_cell_delay/pce3/temperature= 0..0] (Type is Float32)
          • attributes
            • long_name: Call Rising (Type is String)
            • units: 1 (Type is String)
            • source: CAL17 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Cal_rise value which calibrations are provided (index to raw_cal_rise/256) (Type is String)
        • efc_ll[ /ancillary_data/calibrations/effective_cell_delay/pce3/temperature= 0..0] [ /ancillary_data/calibrations/ds_fine_counts= 0..74] (Type is Float32)
          • attributes
            • long_name: EFC LL (Type is String)
            • units: counts (Type is String)
            • source: CAL17 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Effective Tx fine cell count for leading lower (cell, temp) (Type is String)
        • efc_rise[ /ancillary_data/calibrations/effective_cell_delay/pce3/temperature= 0..0] [ /ancillary_data/calibrations/ds_channel= 0..19] [ /ancillary_data/calibrations/ds_fine_counts= 0..74] (Type is Float32)
          • attributes
            • long_name: EFC Rising (Type is String)
            • units: counts (Type is String)
            • source: CAL17 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Effective rising Rx fine cell count (cell, channel, temp) (Type is String)
        • efc_ot[ /ancillary_data/calibrations/effective_cell_delay/pce3/temperature= 0..0] [ /ancillary_data/calibrations/ds_fine_counts= 0..74] (Type is Float32)
          • attributes
            • long_name: EFC Other (Type is String)
            • units: counts (Type is String)
            • source: CAL17 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Effective Tx fine cell count for other (cell, temp) (Type is String)
        • temperature[ /ancillary_data/calibrations/effective_cell_delay/pce3/temperature= 0..0] (Type is Float32)
          • attributes
            • long_name: Temperature (Type is String)
            • units: degreesC (Type is String)
            • source: CAL17 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Temperature for which calibrations are provided. (Type is String)
    • nominal_rx_sensitivity(Type is Group)
      • attributes
        • Description: CAL30 - Nominal Rx Sensitivity. Receiver radiometric sensitivity, in an absolute measurement, with all variables (temperature, bias, alignment) set to nominal values. (Type is String)
      • cal30_product[ 0..0] (Type is String)
        • attributes
          • long_name: CAL Product Name (Type is String)
          • units: 1 (Type is String)
          • source: CAL30 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Name of ATLAS CAL Product containing the calibration data (Type is String)
      • side[ 0..0] (Type is Int32)
        • attributes
          • long_name: Detector Bank Side (Type is String)
          • units: 1 (Type is String)
          • source: CAL30 (Type is String)
          • valid_min: 1 (Type is Int32)
          • valid_max: 2 (Type is Int32)
          • contentType: auxiliaryInformation (Type is String)
          • description: A or B side of the detector bank (Type is String)
          • flag_meanings: A B (Type is String)
          • flag_values: 1, 2 (Type is Int32)
      • pce1(Type is Group)
        • attributes
          • Description: CAL30 - Nominal Rx Sensitivity. Receiver radiometric sensitivity, in an absolute measurement, with all variables (temperature, bias, alignment ) set to nominal values. (Type is String)
        • rms_resid_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: RMS Residual (Type is String)
            • units: 1 (Type is String)
            • source: CAL30 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot RMS Residual fraction (Type is String)
        • rms_resid_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: RMS Residual (Type is String)
            • units: 1 (Type is String)
            • source: CAL30 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot RMS Residual fraction (Type is String)
        • sdev_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_strong (Type is String)
            • units: counts/s/pW (Type is String)
            • source: CAL30 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot standard deviation (Type is String)
        • slope_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: Slope (Type is String)
            • units: counts/s/pW (Type is String)
            • source: CAL30 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot Slope (Type is String)
        • sdev_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_weak (Type is String)
            • units: counts/s/pW (Type is String)
            • source: CAL30 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot standard deviation (Type is String)
        • slope_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: Slope (Type is String)
            • units: counts/s/pW (Type is String)
            • source: CAL30 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot Slope (Type is String)
      • pce2(Type is Group)
        • attributes
          • Description: CAL30 - Nominal Rx Sensitivity. Receiver radiometric sensitivity, in an absolute measurement, with all variables (temperature, bias, alignment ) set to nominal values. (Type is String)
        • rms_resid_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: RMS Residual (Type is String)
            • units: 1 (Type is String)
            • source: CAL30 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot RMS Residual fraction (Type is String)
        • rms_resid_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: RMS Residual (Type is String)
            • units: 1 (Type is String)
            • source: CAL30 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot RMS Residual fraction (Type is String)
        • sdev_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_strong (Type is String)
            • units: counts/s/pW (Type is String)
            • source: CAL30 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot standard deviation (Type is String)
        • slope_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: Slope (Type is String)
            • units: counts/s/pW (Type is String)
            • source: CAL30 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot Slope (Type is String)
        • sdev_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_weak (Type is String)
            • units: counts/s/pW (Type is String)
            • source: CAL30 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot standard deviation (Type is String)
        • slope_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: Slope (Type is String)
            • units: counts/s/pW (Type is String)
            • source: CAL30 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot Slope (Type is String)
      • pce3(Type is Group)
        • attributes
          • Description: CAL30 - Nominal Rx Sensitivity. Receiver radiometric sensitivity, in an absolute measurement, with all variables (temperature, bias, alignment ) set to nominal values. (Type is String)
        • rms_resid_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: RMS Residual (Type is String)
            • units: 1 (Type is String)
            • source: CAL30 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot RMS Residual fraction (Type is String)
        • rms_resid_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: RMS Residual (Type is String)
            • units: 1 (Type is String)
            • source: CAL30 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot RMS Residual fraction (Type is String)
        • sdev_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_strong (Type is String)
            • units: counts/s/pW (Type is String)
            • source: CAL30 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot standard deviation (Type is String)
        • slope_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: Slope (Type is String)
            • units: counts/s/pW (Type is String)
            • source: CAL30 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot Slope (Type is String)
        • sdev_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_weak (Type is String)
            • units: counts/s/pW (Type is String)
            • source: CAL30 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot standard deviation (Type is String)
        • slope_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: Slope (Type is String)
            • units: counts/s/pW (Type is String)
            • source: CAL30 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot Slope (Type is String)
    • laser_energy_fraction(Type is Group)
      • attributes
        • Description: Contains CAL45 data - Transmit Energy Fraction per Beam (Type is String)
      • cal45_product[ 0..0] (Type is String)
        • attributes
          • long_name: CAL File Name (Type is String)
          • units: 1 (Type is String)
          • source: CAL45 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Name of source file containing the calibration data (Type is String)
      • energy_fract[ 0..5] (Type is Float32)
        • attributes
          • long_name: Energy Fraction (Type is String)
          • units: 1 (Type is String)
          • source: CAL45 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Energy Fraction, Per Spot (Type is String)
      • optics_throughput[ 0..2] (Type is Float32)
        • attributes
          • long_name: Optics Throughput (Type is String)
          • units: 1 (Type is String)
          • source: CAL45 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Optics Throughput, Per PCE (Type is String)
    • rx_sensitivity_vs_wtom(Type is Group)
      • attributes
        • Description: CAL61 - Rx Sensitivity vs. WTOM Ratio. Provides parameter values, for each spot, for the fit of Relative Sensitivity based on the reported WTEM through a quadratic curve. (Type is String)
      • laser[ 0..0] (Type is Int32)
        • attributes
          • long_name: Laser (Type is String)
          • units: 1 (Type is String)
          • source: CAL61 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Laser Number (Type is String)
      • mode[ 0..0] (Type is Int32)
        • attributes
          • long_name: Laser Power Setting (Type is String)
          • units: 1 (Type is String)
          • source: CAL61 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Laser Power Setting (Type is String)
      • temperature[ 0..0] (Type is Float32)
        • attributes
          • long_name: Temperature (Type is String)
          • units: degreesC (Type is String)
          • source: CAL61 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Temperature for which calibrations are provided. (Type is String)
      • cal61_product[ 0..0] (Type is String)
        • attributes
          • long_name: CAL Product Name (Type is String)
          • units: 1 (Type is String)
          • source: CAL61 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Name of ATLAS CAL Product containing the calibration data (Type is String)
      • side[ 0..0] (Type is Int32)
        • attributes
          • long_name: Detector Bank Side (Type is String)
          • units: 1 (Type is String)
          • source: CAL61 (Type is String)
          • valid_min: 1 (Type is Int32)
          • valid_max: 2 (Type is Int32)
          • contentType: auxiliaryInformation (Type is String)
          • description: A or B side of the detector bank (Type is String)
          • flag_meanings: A B (Type is String)
          • flag_values: 1, 2 (Type is Int32)
      • pce1(Type is Group)
        • attributes
          • Description: CAL61 - Rx Sensitivity vs. WTOM Ratio. Calibration of receiver throughput as a function of the WTOM/WTEM diode signals (D1, D2) to indicate quality of the spectral tuning of the OFMs (etalons) for each receiver IFOV. (Type is String)
        • h_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: h_strong (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: h_strong; used in Eqn 5-17. (Type is String)
        • rms_of_fit_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: rms_of_fit_strong (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: rms_of_fit_strong (Type is String)
        • ypeak_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: ypeak_strong (Type is String)
            • units: counts/s (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: ypeak_strong (Type is String)
        • sdev_ypeak_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_ypeak_weak (Type is String)
            • units: counts/s (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: sdev_ypeak_weak (Type is String)
        • sdev_xpeak_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_xpeak_weak (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: sdev_xpeak_weak (Type is String)
        • xpeak_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: xpeak_weak (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: xpeak_weak; used in Eqn 5-17. (Type is String)
        • h_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: h_weak (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: h_weak; used in Eqn 5-17. (Type is String)
        • sdev_ypeak_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_ypeak_strong (Type is String)
            • units: counts/s (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: sdev_ypeak_strong (Type is String)
        • ypeak_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: ypeak_weak (Type is String)
            • units: counts/s (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: ypeak_weak (Type is String)
        • xpeak_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: xpeak_strong (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: xpeak_strong; used in Eqn 5-17. (Type is String)
        • rms_of_fit_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: rms_of_fit_weak (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: rms_of_fit_weak (Type is String)
        • sdev_xpeak_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_xpeak_strong (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: sdev_xpeak_strong (Type is String)
        • sdev_h_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_h_weak (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: sdev_h_weak (Type is String)
        • sdev_h_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_h_strong (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: sdev_h_strong (Type is String)
      • pce2(Type is Group)
        • attributes
          • Description: CAL61 - Rx Sensitivity vs. WTOM Ratio. Calibration of receiver throughput as a function of the WTOM/WTEM diode signals (D1, D2) to indicate quality of the spectral tuning of the OFMs (etalons) for each receiver IFOV. (Type is String)
        • h_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: h_strong (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: h_strong; used in Eqn 5-17. (Type is String)
        • rms_of_fit_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: rms_of_fit_strong (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: rms_of_fit_strong (Type is String)
        • ypeak_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: ypeak_strong (Type is String)
            • units: counts/s (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: ypeak_strong (Type is String)
        • sdev_ypeak_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_ypeak_weak (Type is String)
            • units: counts/s (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: sdev_ypeak_weak (Type is String)
        • sdev_xpeak_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_xpeak_weak (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: sdev_xpeak_weak (Type is String)
        • xpeak_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: xpeak_weak (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: xpeak_weak; used in Eqn 5-17. (Type is String)
        • h_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: h_weak (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: h_weak; used in Eqn 5-17. (Type is String)
        • sdev_ypeak_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_ypeak_strong (Type is String)
            • units: counts/s (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: sdev_ypeak_strong (Type is String)
        • ypeak_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: ypeak_weak (Type is String)
            • units: counts/s (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: ypeak_weak (Type is String)
        • xpeak_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: xpeak_strong (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: xpeak_strong; used in Eqn 5-17. (Type is String)
        • rms_of_fit_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: rms_of_fit_weak (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: rms_of_fit_weak (Type is String)
        • sdev_xpeak_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_xpeak_strong (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: sdev_xpeak_strong (Type is String)
        • sdev_h_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_h_weak (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: sdev_h_weak (Type is String)
        • sdev_h_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_h_strong (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: sdev_h_strong (Type is String)
      • pce3(Type is Group)
        • attributes
          • Description: CAL61 - Rx Sensitivity vs. WTOM Ratio. Calibration of receiver throughput as a function of the WTOM/WTEM diode signals (D1, D2) to indicate quality of the spectral tuning of the OFMs (etalons) for each receiver IFOV. (Type is String)
        • h_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: h_strong (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: h_strong; used in Eqn 5-17. (Type is String)
        • rms_of_fit_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: rms_of_fit_strong (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: rms_of_fit_strong (Type is String)
        • ypeak_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: ypeak_strong (Type is String)
            • units: counts/s (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: ypeak_strong (Type is String)
        • sdev_ypeak_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_ypeak_weak (Type is String)
            • units: counts/s (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: sdev_ypeak_weak (Type is String)
        • sdev_xpeak_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_xpeak_weak (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: sdev_xpeak_weak (Type is String)
        • xpeak_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: xpeak_weak (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: xpeak_weak; used in Eqn 5-17. (Type is String)
        • h_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: h_weak (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: h_weak; used in Eqn 5-17. (Type is String)
        • sdev_ypeak_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_ypeak_strong (Type is String)
            • units: counts/s (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: sdev_ypeak_strong (Type is String)
        • ypeak_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: ypeak_weak (Type is String)
            • units: counts/s (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: ypeak_weak (Type is String)
        • xpeak_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: xpeak_strong (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: xpeak_strong; used in Eqn 5-17. (Type is String)
        • rms_of_fit_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: rms_of_fit_weak (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: rms_of_fit_weak (Type is String)
        • sdev_xpeak_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_xpeak_strong (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: sdev_xpeak_strong (Type is String)
        • sdev_h_weak[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_h_weak (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: sdev_h_weak (Type is String)
        • sdev_h_strong[ 0..0] (Type is Float64)
          • attributes
            • long_name: sdev_h_strong (Type is String)
            • units: 1 (Type is String)
            • source: CAL61 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: sdev_h_strong (Type is String)
    • start_timing_skews(Type is Group)
      • attributes
        • Description: CAL44 - Start Timing Skews. Produces START pulse timing skews within & among PCEs to properly align all start pulse timing channels. (Type is String)
      • lu_ll1[ 0..0] (Type is Float32)
        • attributes
          • long_name: LU-LL1 (Type is String)
          • units: seconds (Type is String)
          • source: CAL44 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: LU-LL1 (Type is String)
      • ll3_ll1[ 0..0] (Type is Float32)
        • attributes
          • long_name: LL3-LL1 (Type is String)
          • units: seconds (Type is String)
          • source: CAL44 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: LL3-LL1 (Type is String)
      • ll2_ll1[ 0..0] (Type is Float32)
        • attributes
          • long_name: LL2-LL1 (Type is String)
          • units: seconds (Type is String)
          • source: CAL44 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: LL2-LL1 (Type is String)
      • ll1[ 0..0] (Type is Float32)
        • attributes
          • long_name: LL1 (Type is String)
          • units: seconds (Type is String)
          • source: CAL44 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Leading Lower Skew, PCE1 (Type is String)
      • cal44_product[ 0..0] (Type is String)
        • attributes
          • long_name: CAL Product Name (Type is String)
          • units: 1 (Type is String)
          • source: CAL44 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Name of ATLAS CAL Product containing the calibration data (Type is String)
      • tl_ll3[ 0..0] (Type is Float32)
        • attributes
          • long_name: TL-LL3 (Type is String)
          • units: seconds (Type is String)
          • source: CAL44 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: TL-LL3 (Type is String)
      • side[ 0..0] (Type is Int32)
        • attributes
          • long_name: SPD Side (Type is String)
          • units: 1 (Type is String)
          • source: CAL44 (Type is String)
          • valid_min: 1 (Type is Int32)
          • valid_max: 2 (Type is Int32)
          • contentType: auxiliaryInformation (Type is String)
          • description: A or B side of the Start Pulse Detector (Type is String)
          • flag_meanings: A B (Type is String)
          • flag_values: 1, 2 (Type is Int32)
      • spd_temp[ 0..0] (Type is Float32)
        • attributes
          • long_name: SPD_Temp (Type is String)
          • units: degreesC (Type is String)
          • source: CAL44 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: SPD Temperature (Type is String)
      • tu_ll2[ 0..0] (Type is Float32)
        • attributes
          • long_name: TU-LL2 (Type is String)
          • source: CAL44 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: TU-LL2 (Type is String)
          • units: seconds (Type is String)
    • dead_time(Type is Group)
      • attributes
        • Description: CAL42 - Dead-time. Estimates dead time for each ATLAS receiver channel accompanied by an estimated standard deviation for that measurement. photoelectrons/spot/shot, channel-to-channel basis. (Type is String)
      • cal42_product[ 0..0] (Type is String)
        • attributes
          • long_name: CAL Product Name (Type is String)
          • units: 1 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Name of ATLAS CAL Product containing the calibration data (Type is String)
          • source: CAL42 (Type is String)
      • temperature[ 0..0] (Type is Float32)
        • attributes
          • long_name: Temperature (Type is String)
          • units: degreesC (Type is String)
          • source: CAL42 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Temperature for which calibrations are provided. (Type is String)
      • side[ 0..0] (Type is Int32)
        • attributes
          • long_name: Detector Bank Side (Type is String)
          • units: 1 (Type is String)
          • source: CAL42 (Type is String)
          • valid_min: 1 (Type is Int32)
          • valid_max: 2 (Type is Int32)
          • contentType: auxiliaryInformation (Type is String)
          • description: A or B side of the detector bank (Type is String)
          • flag_meanings: A B (Type is String)
          • flag_values: 1, 2 (Type is Int32)
      • pce1(Type is Group)
        • attributes
          • Description: CAL42 - Dead-time. Estimates dead time for each ATLAS receiver channel accompanied by an estimated standard deviation for that measurement. photoelectrons/spot/shot, channel-to-channel basis. (Type is String)
        • dead_time[ /ancillary_data/calibrations/ds_channel= 0..19] (Type is Float64)
          • attributes
            • long_name: DeadTime (Type is String)
            • units: seconds (Type is String)
            • source: CAL42 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Dead Time (channel) (Type is String)
        • sigma[ /ancillary_data/calibrations/ds_channel= 0..19] (Type is Float64)
          • attributes
            • long_name: Sigma (Type is String)
            • units: seconds (Type is String)
            • source: CAL42 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Sigma (channel) (Type is String)
      • pce2(Type is Group)
        • attributes
          • Description: CAL42 - Dead-time. Estimates dead time for each ATLAS receiver channel accompanied by an estimated standard deviation for that measurement. photoelectrons/spot/shot, channel-to-channel basis. (Type is String)
        • dead_time[ /ancillary_data/calibrations/ds_channel= 0..19] (Type is Float64)
          • attributes
            • long_name: DeadTime (Type is String)
            • units: seconds (Type is String)
            • source: CAL42 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Dead Time (channel) (Type is String)
        • sigma[ /ancillary_data/calibrations/ds_channel= 0..19] (Type is Float64)
          • attributes
            • long_name: Sigma (Type is String)
            • units: seconds (Type is String)
            • source: CAL42 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Sigma (channel) (Type is String)
      • pce3(Type is Group)
        • attributes
          • Description: CAL42 - Dead-time. Estimates dead time for each ATLAS receiver channel accompanied by an estimated standard deviation for that measurement. photoelectrons/spot/shot, channel-to-channel basis. (Type is String)
        • dead_time[ /ancillary_data/calibrations/ds_channel= 0..19] (Type is Float64)
          • attributes
            • long_name: DeadTime (Type is String)
            • units: seconds (Type is String)
            • source: CAL42 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Dead Time (channel) (Type is String)
        • sigma[ /ancillary_data/calibrations/ds_channel= 0..19] (Type is Float64)
          • attributes
            • long_name: Sigma (Type is String)
            • units: seconds (Type is String)
            • source: CAL42 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Sigma (channel) (Type is String)
    • hv_bias_receiver_radiometric_sensitivity(Type is Group)
      • attributes
        • Description: CAL46 - Relationship describing detector responsivity as the PMT high voltage deviates from nominal high voltage setting (V0). (Type is String)
      • cal46_product[ 0..0] (Type is String)
        • attributes
          • long_name: CAL Product Name (Type is String)
          • units: 1 (Type is String)
          • source: CAL46 (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Name of ATLAS CAL Product containing the calibration data (Type is String)
      • side[ 0..0] (Type is Int32)
        • attributes
          • long_name: Detector Bank Side (Type is String)
          • units: 1 (Type is String)
          • source: CAL46 (Type is String)
          • valid_min: 1 (Type is Int32)
          • valid_max: 2 (Type is Int32)
          • contentType: auxiliaryInformation (Type is String)
          • description: A or B side of the detector bank (Type is String)
          • flag_meanings: A B (Type is String)
          • flag_values: 1, 2 (Type is Int32)
      • pce2(Type is Group)
        • attributes
          • Description: CAL46 - Per-PCE. (Type is String)
        • rnom_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: r_nom (Type is String)
            • units: 1 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot Rnom (Type is String)
        • npoints_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: npoints_weak (Type is String)
            • units: 1 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot number of points (Type is String)
        • sigma_fit_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: sigma_fit_weak (Type is String)
            • units: 1 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot sigma of fit (Type is String)
        • sigma_b_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: sigma_b_strong (Type is String)
            • units: 1/v (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot sigma of coefficient b (Type is String)
            • source: CAL46 (Type is String)
        • vnom_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: v_nom (Type is String)
            • units: v (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot nominal voltage (Type is String)
        • sigma_fit_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: sigma_fit_strong (Type is String)
            • units: 1 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot sigma of fit (Type is String)
        • sigma_c_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: sigma_c_weak (Type is String)
            • units: 1/v^2 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot sigma of coefficient c (Type is String)
        • c_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: c_strong (Type is String)
            • units: 1/v^2 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot coefficient c (Type is String)
        • b_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: b_weak (Type is String)
            • units: 1/v (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot coefficient b (Type is String)
        • sigma_b_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: sigma_b_weak (Type is String)
            • units: 1/v (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot sigma of coefficient b (Type is String)
        • sigma_c_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: sigma_c_strong (Type is String)
            • units: 1/v^2 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot sigma of coefficient c (Type is String)
        • rnom_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: r_nom (Type is String)
            • units: 1 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot Rnom (Type is String)
        • vnom_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: v_nom (Type is String)
            • units: v (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot nominal voltage (Type is String)
        • b_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: b_strong (Type is String)
            • units: 1/v (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot coefficient b (Type is String)
        • c_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: c_weak (Type is String)
            • units: 1/v^2 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot coefficient c (Type is String)
        • npoints_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: npoints_strong (Type is String)
            • units: 1 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot number of points (Type is String)
      • pce3(Type is Group)
        • attributes
          • Description: CAL46 - Per-PCE. (Type is String)
        • rnom_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: r_nom (Type is String)
            • units: 1 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot Rnom (Type is String)
        • npoints_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: npoints_weak (Type is String)
            • units: 1 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot number of points (Type is String)
        • sigma_fit_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: sigma_fit_weak (Type is String)
            • units: 1 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot sigma of fit (Type is String)
        • sigma_b_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: sigma_b_strong (Type is String)
            • units: 1/v (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot sigma of coefficient b (Type is String)
            • source: CAL46 (Type is String)
        • vnom_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: v_nom (Type is String)
            • units: v (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot nominal voltage (Type is String)
        • sigma_fit_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: sigma_fit_strong (Type is String)
            • units: 1 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot sigma of fit (Type is String)
        • sigma_c_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: sigma_c_weak (Type is String)
            • units: 1/v^2 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot sigma of coefficient c (Type is String)
        • c_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: c_strong (Type is String)
            • units: 1/v^2 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot coefficient c (Type is String)
        • b_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: b_weak (Type is String)
            • units: 1/v (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot coefficient b (Type is String)
        • sigma_b_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: sigma_b_weak (Type is String)
            • units: 1/v (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot sigma of coefficient b (Type is String)
        • sigma_c_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: sigma_c_strong (Type is String)
            • units: 1/v^2 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot sigma of coefficient c (Type is String)
        • rnom_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: r_nom (Type is String)
            • units: 1 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot Rnom (Type is String)
        • vnom_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: v_nom (Type is String)
            • units: v (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot nominal voltage (Type is String)
        • b_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: b_strong (Type is String)
            • units: 1/v (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot coefficient b (Type is String)
        • c_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: c_weak (Type is String)
            • units: 1/v^2 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot coefficient c (Type is String)
        • npoints_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: npoints_strong (Type is String)
            • units: 1 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot number of points (Type is String)
      • pce1(Type is Group)
        • attributes
          • Description: CAL46 - Per-PCE. (Type is String)
        • rnom_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: r_nom (Type is String)
            • units: 1 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot Rnom (Type is String)
        • npoints_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: npoints_weak (Type is String)
            • units: 1 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot number of points (Type is String)
        • sigma_fit_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: sigma_fit_weak (Type is String)
            • units: 1 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot sigma of fit (Type is String)
        • sigma_b_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: sigma_b_strong (Type is String)
            • units: 1/v (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot sigma of coefficient b (Type is String)
            • source: CAL46 (Type is String)
        • vnom_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: v_nom (Type is String)
            • units: v (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot nominal voltage (Type is String)
        • sigma_fit_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: sigma_fit_strong (Type is String)
            • units: 1 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot sigma of fit (Type is String)
        • sigma_c_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: sigma_c_weak (Type is String)
            • units: 1/v^2 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot sigma of coefficient c (Type is String)
        • c_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: c_strong (Type is String)
            • units: 1/v^2 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot coefficient c (Type is String)
        • b_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: b_weak (Type is String)
            • units: 1/v (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot coefficient b (Type is String)
        • sigma_b_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: sigma_b_weak (Type is String)
            • units: 1/v (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot sigma of coefficient b (Type is String)
        • sigma_c_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: sigma_c_strong (Type is String)
            • units: 1/v^2 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot sigma of coefficient c (Type is String)
        • rnom_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: r_nom (Type is String)
            • units: 1 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot Rnom (Type is String)
        • vnom_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: v_nom (Type is String)
            • units: v (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot nominal voltage (Type is String)
        • b_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: b_strong (Type is String)
            • units: 1/v (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot coefficient b (Type is String)
        • c_weak[ 0..0] (Type is Float32)
          • attributes
            • long_name: c_weak (Type is String)
            • units: 1/v^2 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Weak spot coefficient c (Type is String)
        • npoints_strong[ 0..0] (Type is Float32)
          • attributes
            • long_name: npoints_strong (Type is String)
            • units: 1 (Type is String)
            • source: CAL46 (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Strong spot number of points (Type is String)
  • isf(Type is Group)
    • attributes
      • Description: Constants and calibrations provided by the ICESat-2 Instrument Support Facility (via ANC27) (Type is String)
    • bias_offset_y[ 0..1] (Type is Float64)
      • attributes
        • long_name: AMCS Bias Offset Y (Type is String)
        • units: microradians (Type is String)
        • source: ANC27 (ATBD Section 5.3.3.1) (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: Zero is center of BSM range: (x,y)=(8000,8000). Used in Eqn 5-13 to generate coordinates that are used in Eqn 5-11 to interpolate CAL 47, which has 1 R grid spacing. (Type is String)
    • wtom_lambda_off[ 0..0] (Type is Float64)
      • attributes
        • long_name: WTOM Wavelength Offset (Type is String)
        • units: 1 (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: WTOM Wavelength Offset. Currently zero. An "off-tuning" value to be used with alternate tuning; method for calculating not defined. (Type is String)
        • source: ANC27 (ATBD Section 5.3.3.2) (Type is String)
    • start_time_coeff[ 0..7] [ 0..3] (Type is Float64)
      • attributes
        • long_name: Start Time Coefficients (Type is String)
        • units: ns (Type is String)
        • source: ANC27 (ATBD Section 3.5.6) (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: Start time coefficients for TOF center correction (coefficent x scenario) (Type is String)
    • bias_offset_x[ 0..1] (Type is Float64)
      • attributes
        • long_name: AMCS Bias Offset X (Type is String)
        • units: microradians (Type is String)
        • source: ANC27 (ATBD Section 5.3.3.1) (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: Zero is center of BSM range: (x,y)=(8000,8000). Used in Eqn 5-13 to generate coordinates that are used in Eqn 5-11 to interpolate CAL 47, which has 1 R grid spacing. (Type is String)
    • wtom_tune_flag[ 0..0] (Type is Int32)
      • attributes
        • long_name: WTOM Tuning Flag (Type is String)
        • units: 1 (Type is String)
        • source: ANC27 (ATBD Section 5.3.3.2) (Type is String)
        • valid_min: 1 (Type is Int32)
        • valid_max: 2 (Type is Int32)
        • contentType: auxiliaryInformation (Type is String)
        • description: WTOM Tuning Flag (1=standard method, 2=alternate method) (Type is String)
        • flag_meanings: std alt (Type is String)
        • flag_values: 1, 2 (Type is Int32)
    • cal46_aging[ 0..0] (Type is Float64)
      • attributes
        • long_name: CAL46 Aging Factor (Type is String)
        • units: 1 (Type is String)
        • source: ANC27 (ATBD Section 5.3.14) (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: CAL46 Aging correction factor (Type is String)
    • bias_time[ 0..1] (Type is Float64)
      • attributes
        • long_name: AMCS Bias Time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: ANC27 (ATBD Section 5.3.3.1) (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: Times of surrounding AMCS bias corrections (Type is String)
    • wtom_alt_tune_corr[ 0..0] (Type is Float64)
      • attributes
        • long_name: WTOM Alt Tuning Correction (Type is String)
        • units: 1 (Type is String)
        • source: ANC27 (ATBD Section 5.3.3.2) (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: W" in Eqn 5-15. Used only for alternate tuning; method for calculating not defined. (Type is String)
    • uso_freq_dev[ 0..0] (Type is Float64)
      • attributes
        • long_name: USO Frequence Deviation (Type is String)
        • units: hz (Type is String)
        • source: ANC27 (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: USO frequency deviation; Used in Eqn 2-4. (Type is String)
    • bias_rate[ 0..0] (Type is Float64)
      • attributes
        • long_name: AMCS bias rate (Type is String)
        • units: microradians/undefined_time (Type is String)
        • source: ANC27 (ATBD Section 5.3.3.1) (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: Currently a placeholder, not used in calculations. (Type is String)
  • housekeeping(Type is Group)
    • attributes
      • Description: Constants and calibrations related to ATLAS housekeeping data. (Type is String)
    • hvpc_ab_flag[ 0..0] (Type is Int32)
      • attributes
        • long_name: HVPC Side, A or B (Type is String)
        • units: 1 (Type is String)
        • source: Derived, L1B ATBD (Type is String)
        • valid_min: 1 (Type is Int32)
        • valid_max: 2 (Type is Int32)
        • contentType: auxiliaryInformation (Type is String)
        • description: Indicates if the active High Voltage Power Converter (HVPC) is side A (1) or side B (2). (Type is String)
        • flag_meanings: a b (Type is String)
        • flag_values: 1, 2 (Type is Int32)
    • det_ab_flag[ 0..0] (Type is Int32)
      • attributes
        • long_name: Detector Side, A or B (Type is String)
        • units: 1 (Type is String)
        • source: Derived, L1B ATBD (Type is String)
        • valid_min: 1 (Type is Int32)
        • valid_max: 2 (Type is Int32)
        • contentType: auxiliaryInformation (Type is String)
        • description: Indicates if the active detector (DET) is side A (1) or side B (2). (Type is String)
        • flag_meanings: a b (Type is String)
        • flag_values: 1, 2 (Type is Int32)
    • laser_12_flag[ 0..0] (Type is Int32)
      • attributes
        • long_name: Laser 1 or Laser 2 (Type is String)
        • units: 1 (Type is String)
        • valid_min: 1 (Type is Int32)
        • valid_max: 2 (Type is Int32)
        • contentType: auxiliaryInformation (Type is String)
        • description: Indicates if the active Laser is laser 1 or laser 2. (Type is String)
        • flag_meanings: 1 2 (Type is String)
        • flag_values: 1, 2 (Type is Int32)
        • source: Derived, L1B ATBD (Type is String)
    • lrs_ab_flag[ 0..0] (Type is Int32)
      • attributes
        • long_name: LRS Side A or B (Type is String)
        • units: 1 (Type is String)
        • source: Derived, L1B ATBD (Type is String)
        • valid_min: 1 (Type is Int32)
        • valid_max: 2 (Type is Int32)
        • contentType: auxiliaryInformation (Type is String)
        • description: Indicates if the active LRS is side A (1) or side B (2). (Type is String)
        • flag_meanings: a b (Type is String)
        • flag_values: 1, 2 (Type is Int32)
    • pdu_ab_flag[ 0..0] (Type is Int32)
      • attributes
        • long_name: PDU Side A or B (Type is String)
        • units: 1 (Type is String)
        • valid_max: 2 (Type is Int32)
        • contentType: auxiliaryInformation (Type is String)
        • description: Indicates if the active PDU is side a (1) or side b (2). (Type is String)
        • flag_meanings: a b (Type is String)
        • flag_values: 1, 2 (Type is Int32)
        • source: Derived, L1B ATBD (Type is String)
        • valid_min: 1 (Type is Int32)
    • spd_ab_flag[ 0..0] (Type is Int32)
      • attributes
        • long_name: SPD A or B (Type is String)
        • units: 1 (Type is String)
        • source: Derived, L1B ATBD (Type is String)
        • valid_min: 1 (Type is Int32)
        • valid_max: 2 (Type is Int32)
        • contentType: auxiliaryInformation (Type is String)
        • description: Indicates if the active Start Pulse Detector (SPD) is side a (1) or side b (2). (Type is String)
        • flag_meanings: a b (Type is String)
        • flag_values: 1, 2 (Type is Int32)
    • tams_ab_flag[ 0..0] (Type is Int32)
      • attributes
        • long_name: TAMS Side A or B (Type is String)
        • units: 1 (Type is String)
        • source: Derived, L1B ATBD (Type is String)
        • valid_min: 1 (Type is Int32)
        • valid_max: 2 (Type is Int32)
        • contentType: auxiliaryInformation (Type is String)
        • description: Indicates if the active TAMS is side a (1) or side b (2). (Type is String)
        • flag_meanings: a b (Type is String)
        • flag_values: 1, 2 (Type is Int32)
  • tep(Type is Group)
    • attributes
      • Description: Contains ancillary values related to TEP detection. (Type is String)
    • tep_check_pce1[ 0..0] (Type is Int32)
      • attributes
        • long_name: TEP flag for PCE1. (Type is String)
        • units: 1 (Type is String)
        • source: ATLAS L1B ATBD (Type is String)
        • valid_min: 0 (Type is Int32)
        • valid_max: 1 (Type is Int32)
        • contentType: auxiliaryInformation (Type is String)
        • description: Flag indicating that the PCE1 strong channels should be checked for TEP events. Default value is 1 (indicating that TEP is possible on PCE1). A value of 0 indicates that PCE1 data are not examined for TEP. (Type is String)
        • flag_meanings: do_not_check check (Type is String)
        • flag_values: 0, 1 (Type is Int32)
    • tep_check_pce2[ 0..0] (Type is Int32)
      • attributes
        • long_name: TEP flag for PCE2. (Type is String)
        • units: 1 (Type is String)
        • source: ATLAS L1B ATBD (Type is String)
        • valid_min: 0 (Type is Int32)
        • valid_max: 1 (Type is Int32)
        • contentType: auxiliaryInformation (Type is String)
        • description: Flag indicating that the PCE2 strong channels should be checked for TEP events. Default value is 1 (indicating that TEP is possible on PCE2). A value of 0 indicates that PCE2 data are not examined for TEP. (Type is String)
        • flag_meanings: do_not_check check (Type is String)
        • flag_values: 0, 1 (Type is Int32)
    • tep_check_pce3[ 0..0] (Type is Int32)
      • attributes
        • long_name: TEP flag for PCE3. (Type is String)
        • units: 1 (Type is String)
        • source: ATLAS L1B ATBD (Type is String)
        • valid_min: 0 (Type is Int32)
        • valid_max: 1 (Type is Int32)
        • contentType: auxiliaryInformation (Type is String)
        • description: Flag indicating that the PCE3 strong channels should be checked for TEP events. Default value is 0 (indicating that TEP is not possible on PCE3). A value of 1 indicates that PCE3 data are examined for TEP (even though the hardware does not support this possibility). (Type is String)
        • flag_meanings: do_not_check check (Type is String)
        • flag_values: 0, 1 (Type is Int32)
    • thres_tep_max[ 0..0] (Type is Float64)
      • attributes
        • long_name: TEP Detection Maximum (Type is String)
        • units: seconds (Type is String)
        • source: ATLAS L1B ATBD (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: Maximum value used to classify TEP photons. Default value per ATBD is 100ns. (100e-9 sec) (Type is String)
    • thres_tep_min[ 0..0] (Type is Float64)
      • attributes
        • long_name: TEP Detection Minimum (Type is String)
        • units: seconds (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: Minimum value used to classify TEP photons. Default value per ATBD is 0ns. (0e-9 sec) (Type is String)
        • source: ATLAS L1B ATBD (Type is String)
  • tod_tof(Type is Group)
    • attributes
      • Description: Contains ancillary parameters related to Time-of-Flight and/or Time-of-Day calculations. (Type is String)
      • data_rate: Data within this group pertain to the granule in its entirety. (Type is String)
    • lrs_clock[ 0..0] (Type is Float64)
      • attributes
        • long_name: LRS Clock Rate (Type is String)
        • units: seconds/count (Type is String)
        • source: ATLAS L1B ATBD (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: The nominal rate of the LRS internal 27 MHz oscillator (divided by 32). (Type is String)
    • corr_rx_coarse_pce3[ 0..19] (Type is Int32)
      • attributes
        • long_name: Correction value for PCE3 Rx coarse clock offset (Type is String)
        • units: counts (Type is String)
        • source: ATLAS L1B ATBD (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: Correction for the PCE3 Receive coarse clock offset. This corrects for the offset between the actual number of coarse clock cycles and the reported number of coarse clock cycles (for each channel). Default value is -1. (Type is String)
    • tof_win_size[ 0..0] (Type is Float64)
      • attributes
        • long_name: Size of TOF Histogram Windows (Type is String)
        • units: seconds (Type is String)
        • source: ATLAS L1B ATBD, (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: Size of the TxRx slip detection windows within the peak-aligned, windowed TOF histograms. (Type is String)
    • tof_extracted_s[ 0..0] (Type is Float64)
      • attributes
        • long_name: Duration of TOF Histogram Window (Type is String)
        • units: seconds (Type is String)
        • source: ATLAS L1B ATBD, (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: Duration of peak-aligned, windowed TOF histograms. (Type is String)
    • dt_t0[ 0..0] (Type is Float64)
      • attributes
        • long_name: T0 Clock Tick (Type is String)
        • units: seconds/count (Type is String)
        • source: ATLAS L1B ATBD, Section 4.2.1 (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: T0 clock tick. (Type is String)
    • tof_bin_size[ 0..0] (Type is Float64)
      • attributes
        • long_name: TOF Histogram Bin Size (Type is String)
        • units: seconds (Type is String)
        • source: ATLAS L1B ATBD, (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: Binsize of peak-aligned, windowed TOF histograms. (Type is String)
    • tof_lower_win_ctr[ 0..0] (Type is Float64)
      • attributes
        • long_name: Center of TOF Histogram Lower Window (Type is String)
        • units: seconds (Type is String)
        • source: ATLAS L1B ATBD, (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: Center of the lower TxRx slip detection window within the peak-aligned, windowed TOF histograms. (Type is String)
    • tof_upper_win_ctr[ 0..0] (Type is Float64)
      • attributes
        • long_name: Center of TOF Histogram Upper Window (Type is String)
        • units: seconds (Type is String)
        • source: ATLAS L1B ATBD, (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: Center of the upper TxRx slip detection window within the peak-aligned, windowed TOF histograms. (Type is String)
    • corr_tx_coarse_pce2[ 0..0] (Type is Int32)
      • attributes
        • long_name: Correction value for PCE2 Tx coarse clock offset (Type is String)
        • units: counts (Type is String)
        • source: ATLAS L1B ATBD (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: Correction for the PCE2 Transmit coarse clock offset. This corrects for the offset between the actual number of coarse clock cycles and the reported number of coarse clock cycles. Default value is -1. (Type is String)
    • corr_rx_coarse_pce2[ 0..19] (Type is Int32)
      • attributes
        • long_name: Correction value for PCE2 Rx coarse clock offset (Type is String)
        • units: counts (Type is String)
        • source: ATLAS L1B ATBD (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: Correction for the PCE2 Receive coarse clock offset. This corrects for the offset between the actual number of coarse clock cycles and the reported number of coarse clock cycles (for each channel). Default value is -1. (Type is String)
    • dt_uso[ 0..0] (Type is Float64)
      • attributes
        • long_name: USO (AMET) Clock Tick (Type is String)
        • units: seconds/count (Type is String)
        • source: ATLAS L1B ATBD, Section 4.2.1 (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: The AMET clock tick (Type is String)
    • min_conf[ 0..0] (Type is Int32)
      • attributes
        • long_name: Minimum Confidence (Type is String)
        • units: 1 (Type is String)
        • source: ATLAS L1B ATBD, (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: Minimum TxRx histogram confidence level to fail a granule. (Type is String)
    • dt_imet[ 0..0] (Type is Float64)
      • attributes
        • long_name: IMET Clock Tick (Type is String)
        • units: seconds/count (Type is String)
        • source: ATLAS L1B ATBD, Section 4.2.1 (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: IMET clock tick. (Type is String)
    • corr_tx_coarse_pce3[ 0..0] (Type is Int32)
      • attributes
        • long_name: Correction value for PCE3 Tx coarse clock offset (Type is String)
        • units: counts (Type is String)
        • source: ATLAS L1B ATBD (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: Correction for the PCE3 Transmit coarse clock offset. This corrects for the offset between the actual number of coarse clock cycles and the reported number of coarse clock cycles. Default value is -1. (Type is String)
    • dupe_fc_tol[ 0..0] (Type is Float32)
      • attributes
        • long_name: Duplicate_Tolerance (Type is String)
        • units: counts (Type is String)
        • source: ATLAS L1B ATBD (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: Tolerance used when comparing fine counts within duplicate detection (Type is String)
    • discard_short_mframes[ 0..0] (Type is Int32)
      • attributes
        • long_name: Discard_Short_MFrames (Type is String)
        • units: 1 (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: If TRUE, discard the photons associated with major frames containing less than 199 Tx. (Type is String)
        • source: ATLAS L1B ATBD, (Type is String)
    • repair_txrx_slip[ 0..0] (Type is Int32)
      • attributes
        • long_name: TXRX_Slip_Repair (Type is String)
        • units: 1 (Type is String)
        • source: ATLAS L1B ATBD, (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: If TRUE, attempt to repair any detected TXRX slip. (Type is String)
    • cal_uso_scale[ 0..0] (Type is Float64)
      • attributes
        • long_name: Calibration value for USO (Type is String)
        • units: 1 (Type is String)
        • source: ATLAS L1B ATBD (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: Calibration value for the Ultra Stable Oscillator (USO). Computed using the number of coarse clock ticks measurement generated by the USO between sequential 1PPS time stamps from the on-orbit GPS to estimate the coarse clock ruler scale factor. (Type is String)
    • corr_rx_coarse_pce1[ 0..19] (Type is Int32)
      • attributes
        • long_name: Correction value for PCE1 Rx coarse clock offset (Type is String)
        • units: counts (Type is String)
        • source: ATLAS L1B ATBD (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: Correction for the PCE1 Receive coarse clock offset. This corrects for the offset between the actual number of coarse clock cycles and the reported number of coarse clock cycles (for each channel). Default value is -1. (Type is String)
    • cal_risefall_box_int[ 0..0] (Type is Float64)
      • attributes
        • long_name: cal_risefall boxcar interval (Type is String)
        • units: counts (Type is String)
        • source: ATLAS L1B ATBD (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: Boxcar averaging interval for cal_risefall averaging, in major-frame counts. Boxcar averages are using to generate 1D spline coefficients. The spline coefficients are used to create smoothed, interpolated cal_risefall values at the full data rate. (Type is String)
    • corr_tx_coarse_pce1[ 0..0] (Type is Int32)
      • attributes
        • long_name: Correction value for PCE1 Tx coarse clock offset (Type is String)
        • units: counts (Type is String)
        • source: ATLAS L1B ATBD (Type is String)
        • contentType: auxiliaryInformation (Type is String)
        • description: Correction for the PCE1 Transmit coarse clock offset. This corrects for the offset between the actual number of coarse clock cycles and the reported number of coarse clock cycles. Default value is -1. (Type is String)
atlas(Type is Group)
  • attributes
    • Description: Group contains the ATLAS EU-converted data (Type is String)
    • data_rate: Data within this group are stored at the nominal rate of the corresponding ATLAS APIDs (varies per APID). (Type is String)
  • housekeeping(Type is Group)
    • attributes
      • Description: Group contains the ATLAS EU-converted housekeeping data (Type is String)
      • data_rate: Data within this group are stored at the nominal rate of the corresponding ATLAS APIDs (varies per APID). (Type is String)
    • radiometry(Type is Group)
      • attributes
        • Description: The radiometry group contains background and receiver sensitivity (Type is String)
        • data_rate: Data within this group are stored at the data rate of one hertz. (Type is String)
      Dimensions: [ /atlas/housekeeping/radiometry/delta_time = 0..422 ]
      • bg_sensitivity_pce2_s[ /atlas/housekeeping/radiometry/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PCE2 Strong background sensitivity (Type is String)
          • units: events/s/Watt (Type is String)
          • source: ATBD Section 5.5.2 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PCE2, Strong spot - receiver response per watt of continuous illumination in the passband from a diffuse source larger than the field of view, in the absence of any dead time effects. (Type is String)
          • coordinates: delta_time (Type is String)
      • bg_sensitivity_pce3_s[ /atlas/housekeeping/radiometry/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PCE3 Strong background sensitivity (Type is String)
          • units: events/s/Watt (Type is String)
          • source: ATBD Section 5.5.2 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PCE3, Strong spot - receiver response per watt of continuous illumination in the passband from a diffuse source larger than the field of view, in the absence of any dead time effects. (Type is String)
          • coordinates: delta_time (Type is String)
      • bg_sensitivity_pce1_s[ /atlas/housekeeping/radiometry/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PCE1 Strong background sensitivity (Type is String)
          • units: events/s/Watt (Type is String)
          • source: ATBD Section 5.5.2 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PCE1, Strong spot - receiver response per watt of continuous illumination in the passband from a diffuse source larger than the field of view, in the absence of any dead time effects. (Type is String)
          • coordinates: delta_time (Type is String)
      • ret_sensitivity_pce3_w[ /atlas/housekeeping/radiometry/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PCE3 Weak return sensitivity (Type is String)
          • units: events/s/Watt (Type is String)
          • source: ATBD Section 5.5.3 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PCE3, Weak spot - receiver response per joule/return pulse in the field of view, in the absence of any deadtime effects. (Type is String)
          • coordinates: delta_time (Type is String)
      • ret_sensitivity_pce3_s[ /atlas/housekeeping/radiometry/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PCE3 Strong return sensitivity (Type is String)
          • units: events/s/Watt (Type is String)
          • source: ATBD Section 5.5.3 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PCE3, Strong spot - receiver response per joule/return pulse in the field of view, in the absence of any deadtime effects. (Type is String)
          • coordinates: delta_time (Type is String)
      • ret_sensitivity_pce2_w[ /atlas/housekeeping/radiometry/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PCE2 Weak return sensitivity (Type is String)
          • units: events/s/Watt (Type is String)
          • source: ATBD Section 5.5.3 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PCE2, Weak spot - receiver response per joule/return pulse in the field of view, in the absence of any deadtime effects. (Type is String)
          • coordinates: delta_time (Type is String)
      • bg_sensitivity_pce2_w[ /atlas/housekeeping/radiometry/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PCE2 Weak background sensitivity (Type is String)
          • units: events/s/Watt (Type is String)
          • source: ATBD Section 5.5.2 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PCE2, Weak spot - receiver response per watt of continuous illumination in the passband from a diffuse source larger than the field of view, in the absence of any dead time effects. (Type is String)
          • coordinates: delta_time (Type is String)
      • bg_sensitivity_pce1_w[ /atlas/housekeeping/radiometry/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PCE1 Weak background sensitivity (Type is String)
          • units: events/s/Watt (Type is String)
          • source: ATBD Section 5.5.2 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PCE1, Weak spot - receiver response per watt of continuous illumination in the passband from a diffuse source larger than the field of view, in the absence of any dead time effects. (Type is String)
          • coordinates: delta_time (Type is String)
      • ret_sensitivity_pce1_s[ /atlas/housekeeping/radiometry/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PCE1 Strong return sensitivity (Type is String)
          • units: events/s/Watt (Type is String)
          • source: ATBD Section 5.5.3 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PCE1, Strong spot - receiver response per joule/return pulse in the field of view, in the absence of any deadtime effects. (Type is String)
          • coordinates: delta_time (Type is String)
      • bg_sensitivity_pce3_w[ /atlas/housekeeping/radiometry/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PCE3 Weak background sensitivity (Type is String)
          • units: events/s/Watt (Type is String)
          • source: ATBD Section 5.5.2 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PCE3, Weak spot - receiver response per watt of continuous illumination in the passband from a diffuse source larger than the field of view, in the absence of any dead time effects. (Type is String)
          • coordinates: delta_time (Type is String)
      • ret_sensitivity_pce1_w[ /atlas/housekeeping/radiometry/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PCE1 Weak return sensitivity (Type is String)
          • units: events/s/Watt (Type is String)
          • source: ATBD Section 5.5.3 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PCE1, Weak spot - receiver response per joule/return pulse in the field of view, in the absence of any deadtime effects. (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/housekeeping/radiometry/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. The timestamp is computed based on the housekeeping design to sample laser near the asc 1pps internal pulse. (See the L1B ATBD section 5 Radiometric Corrections ) (Type is String)
          • coordinates: delta_time (Type is String)
      • ret_sensitivity_pce2_s[ /atlas/housekeeping/radiometry/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PCE2 Strong return sensitivity (Type is String)
          • units: events/s/Watt (Type is String)
          • source: ATBD Section 5.5.3 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PCE2, Strong spot - receiver response per joule/return pulse in the field of view, in the absence of any deadtime effects. (Type is String)
          • coordinates: delta_time (Type is String)
    • laser_energy_lrs(Type is Group)
      • attributes
        • Description: Laser energy derived from LRS Centroid Magnitudes. Packet Frequency is 50 Hertz. (Type is String)
        • data_rate: Data within this group are provided at the packet rate of 50hz. (Type is String)
      Dimensions: [ /atlas/housekeeping/laser_energy_lrs/delta_time = 0..21149 ]
      • e_tx_pce2_s[ /atlas/housekeeping/laser_energy_lrs/delta_time= 0..21149] (Type is Float32)
        • attributes
          • _FillValue: 3.402823466e+38 (Type is Float32)
          • long_name: Spot laser energy for PCE2, strong (Type is String)
          • units: joules (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser energy for the PCE2 strong spot, derived from LRS laser centroids and split by calibration. (Type is String)
          • coordinates: delta_time (Type is String)
      • e_tx_pce3_w[ /atlas/housekeeping/laser_energy_lrs/delta_time= 0..21149] (Type is Float32)
        • attributes
          • _FillValue: 3.402823466e+38 (Type is Float32)
          • long_name: Spot laser energy for PCE3, weak (Type is String)
          • units: joules (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser energy for the PCE3 weak spot, derived from LRS laser centroids and split by calibration. (Type is String)
          • coordinates: delta_time (Type is String)
      • lrs_temp[ /atlas/housekeeping/laser_energy_lrs/delta_time= 0..21149] (Type is Float32)
        • attributes
          • units: degreesC (Type is String)
          • _FillValue: 3.402823466e+38 (Type is Float32)
          • long_name: Laser Temperature (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: LRS Temperature. From A_HKT_C Telemetry packet (Type is String)
          • coordinates: delta_time (Type is String)
      • e_tx_pce3_s[ /atlas/housekeeping/laser_energy_lrs/delta_time= 0..21149] (Type is Float32)
        • attributes
          • _FillValue: 3.402823466e+38 (Type is Float32)
          • long_name: Spot laser energy for PCE3, strong (Type is String)
          • units: joules (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser energy for the PCE3 strong spot, derived from LRS laser centroids and split by calibration. (Type is String)
          • coordinates: delta_time (Type is String)
      • e_tx[ /atlas/housekeeping/laser_energy_lrs/delta_time= 0..21149] (Type is Float32)
        • attributes
          • _FillValue: 3.402823466e+38 (Type is Float32)
          • long_name: total laser energy (Type is String)
          • units: joules (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Total laser energy from derived from LRS laser centroid magnitudes. (Type is String)
          • coordinates: delta_time (Type is String)
      • e_tx_pce1_s[ /atlas/housekeeping/laser_energy_lrs/delta_time= 0..21149] (Type is Float32)
        • attributes
          • _FillValue: 3.402823466e+38 (Type is Float32)
          • long_name: Spot laser energy for PCE1, strong (Type is String)
          • units: joules (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser energy for the PCE1 strong spot, derived from LRS laser centroids and split by calibration. (Type is String)
          • coordinates: delta_time (Type is String)
      • e_tx_pce2_w[ /atlas/housekeeping/laser_energy_lrs/delta_time= 0..21149] (Type is Float32)
        • attributes
          • _FillValue: 3.402823466e+38 (Type is Float32)
          • long_name: Spot laser energy for PCE2, weak (Type is String)
          • units: joules (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser energy for the PCE2 weak spot, derived from LRS laser centroids and split by calibration. (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/housekeeping/laser_energy_lrs/delta_time= 0..21149] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via Time Tagging (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. The timestamp is computed based on the housekeeping design to sample laser near the asc 1pps internal pulse. (See the L1B ATBD section 5 Radiometric Corrections ) (Type is String)
      • e_tx_pce1_w[ /atlas/housekeeping/laser_energy_lrs/delta_time= 0..21149] (Type is Float32)
        • attributes
          • _FillValue: 3.402823466e+38 (Type is Float32)
          • long_name: Spot laser energy for PCE1, weak (Type is String)
          • units: joules (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser energy for the PCE1 weak spot, derived from LRS laser centroids and split by calibration. (Type is String)
          • coordinates: delta_time (Type is String)
    • laser_energy_spd(Type is Group)
      • attributes
        • Description: Laser energy from APID 1063 Analog HK Telemetry. Packet Frequency is 1 Hertz. (Type is String)
        • data_rate: Data within this group are provided at the packet rate of 1hz. (Type is String)
      Dimensions: [ /atlas/housekeeping/laser_energy_spd/delta_time = 0..422 ] [ /atlas/housekeeping/laser_energy_spd/ds_10 = 0..9 ]
      • e_tx_pce2_s[ /atlas/housekeeping/laser_energy_spd/delta_time= 0..422] [ /atlas/housekeeping/laser_energy_spd/ds_10= 0..9] (Type is Float32)
        • attributes
          • units: joules (Type is String)
          • long_name: Spot laser energy for PCE2, strong (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser energy for the PCE2 strong spot, derived from the analog HK telemetry and split by calibration. (Type is String)
          • coordinates: delta_time (Type is String)
      • e_tx_pce3_w[ /atlas/housekeeping/laser_energy_spd/delta_time= 0..422] [ /atlas/housekeeping/laser_energy_spd/ds_10= 0..9] (Type is Float32)
        • attributes
          • units: joules (Type is String)
          • long_name: Spot laser energy for PCE3, weak (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser energy for the PCE3 weak spot, derived from the analog HK telemetry and split by calibration. (Type is String)
          • coordinates: delta_time (Type is String)
      • edge_xmtnc[ /atlas/housekeeping/laser_energy_spd/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: SPD Edge (Type is String)
          • units: mV (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: edge_xmtnc. From Analog HK Telemetry packet E (APID 1063). (Type is String)
          • coordinates: delta_time (Type is String)
      • e_tx_pce3_s[ /atlas/housekeeping/laser_energy_spd/delta_time= 0..422] [ /atlas/housekeeping/laser_energy_spd/ds_10= 0..9] (Type is Float32)
        • attributes
          • units: joules (Type is String)
          • long_name: Spot laser energy for PCE3, strong (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser energy for the PCE3 strong spot, derived from the analog HK telemetry and split by calibration. (Type is String)
          • coordinates: delta_time (Type is String)
      • e_tx[ /atlas/housekeeping/laser_energy_spd/delta_time= 0..422] [ /atlas/housekeeping/laser_energy_spd/ds_10= 0..9] (Type is Float32)
        • attributes
          • long_name: total laser energy (Type is String)
          • units: joules (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Total laser energy from Analog HK Telemetry packet E (APID 1063). (Type is String)
          • coordinates: delta_time (Type is String)
      • laser_temp[ /atlas/housekeeping/laser_energy_spd/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: Laser Temperature (Type is String)
          • units: degreesC (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser Temperature. From A_HKT_C PRIMARY SPD THERMISTOR MED_34 chan[74] or REDUNDANT SPD THERMISTOR MED_35 chan[81] (Type is String)
          • coordinates: delta_time (Type is String)
      • e_tx_pce1_s[ /atlas/housekeeping/laser_energy_spd/delta_time= 0..422] [ /atlas/housekeeping/laser_energy_spd/ds_10= 0..9] (Type is Float32)
        • attributes
          • units: joules (Type is String)
          • long_name: Spot laser energy for PCE1, strong (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser energy for the PCE1 strong spot, derived from the analog HK telemetry and split by calibration. (Type is String)
          • coordinates: delta_time (Type is String)
      • peak_xmtnc[ /atlas/housekeeping/laser_energy_spd/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: SPD Peak (Type is String)
          • units: mV (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: peak_xmtnc. From Analog HK Telemetry packet E (APID 1063). (Type is String)
          • coordinates: delta_time (Type is String)
      • e_tx_pce2_w[ /atlas/housekeeping/laser_energy_spd/delta_time= 0..422] [ /atlas/housekeeping/laser_energy_spd/ds_10= 0..9] (Type is Float32)
        • attributes
          • units: joules (Type is String)
          • long_name: Spot laser energy for PCE2, weak (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser energy for the PCE2 weak spot, derived from the analog HK telemetry and split by calibration. (Type is String)
          • coordinates: delta_time (Type is String)
      • thrlo_rdbk[ /atlas/housekeeping/laser_energy_spd/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: SPD Lower Thres (Type is String)
          • units: volts (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Start Pulse Detector (SPD) lower threshold readback value. Reported as an analog voltage whose nominal setting puts the threshold at 20% of full laser energy. From Analog HK Telemetry packet E (APID 1063). (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/housekeeping/laser_energy_spd/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via Time Tagging (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. The timestamp is computed based on the housekeeping design to sample laser near the asc 1pps internal pulse. (See the L1B ATBD section 5 Radiometric Corrections ) (Type is String)
      • thrhi_rdbk[ /atlas/housekeeping/laser_energy_spd/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: SPD Upper Thres (Type is String)
          • units: volts (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Start Pulse Detector (SPD) upper threshold readback value. Reported as an analog voltage whose nominal setting puts the threshold at 80% of full laser energy. From Analog HK Telemetry packet E (APID 1063). (Type is String)
          • coordinates: delta_time (Type is String)
      • e_tx_pce1_w[ /atlas/housekeeping/laser_energy_spd/delta_time= 0..422] [ /atlas/housekeeping/laser_energy_spd/ds_10= 0..9] (Type is Float32)
        • attributes
          • units: joules (Type is String)
          • long_name: Spot laser energy for PCE1, weak (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser energy for the PCE1 weak spot derived from the analog HK telemetry and split by calibration. (Type is String)
          • coordinates: delta_time (Type is String)
      • ds_10[ /atlas/housekeeping/laser_energy_spd/ds_10= 0..9] (Type is Int8)
        • attributes
          • long_name: DS for 10 measurements (Type is String)
          • units: 1 (Type is String)
          • source: ATLAS (Type is String)
          • valid_min: 1 (Type is Int8)
          • valid_max: 10 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: Dimension scale for10 measurements. (Type is String)
    • pointing(Type is Group)
      • attributes
        • Description: APID 1138 ATLAS Pointing Message- Spacecraft Attitude and Rates Packet - Relayed to SSR. Packet Frequency is by command. (Type is String)
        • data_rate: Data within this group are stored at the data rate of the source APIDs. (only downlinked on command). (Type is String)
      Dimensions: [ /atlas/housekeeping/pointing/delta_time = 0..422 ]
      • q_sc_i2b_3[ /atlas/housekeeping/pointing/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: q_sc_i2b_3 (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_sc_pon_1138 (Type is String)
          • valid_min: -1. (Type is Float64)
          • valid_max: 1. (Type is Float64)
          • contentType: referenceInformation (Type is String)
          • description: SC Inertial to ATLAS Body Frame quaternion 3 (Type is String)
          • coordinates: delta_time (Type is String)
      • q_sc_i2b_2[ /atlas/housekeeping/pointing/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: q_sc_i2b_2 (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_sc_pon_1138 (Type is String)
          • valid_min: -1. (Type is Float64)
          • valid_max: 1. (Type is Float64)
          • contentType: referenceInformation (Type is String)
          • description: SC Inertial to ATLAS Body Frame quaternion 2 (Type is String)
          • coordinates: delta_time (Type is String)
      • x_sc_body_rate[ /atlas/housekeeping/pointing/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: x_sc_body_rate (Type is String)
          • units: radians/second (Type is String)
          • source: ATL01/atlas/a_sc_pon_1138 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: SC body rate as measured about the X axis in the ATLAS frame (Type is String)
          • coordinates: delta_time (Type is String)
      • y_sc_body_rate[ /atlas/housekeeping/pointing/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: y_sc_body_rate (Type is String)
          • source: ATL01/atlas/a_sc_pon_1138 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: SC body rate as measured about the Y axis in the ATLAS frame (Type is String)
          • coordinates: delta_time (Type is String)
          • units: radians/second (Type is String)
      • sc_solution_sec[ /atlas/housekeeping/pointing/delta_time= 0..422] (Type is UInt32)
        • attributes
          • long_name: sc_solution_sec (Type is String)
          • units: seconds (Type is String)
          • source: ATL01/atlas/a_sc_pon_1138 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Recorded time of the pointing solution in seconds from the spacecraft epoch (Type is String)
          • coordinates: delta_time (Type is String)
      • sc_solution_subsec[ /atlas/housekeeping/pointing/delta_time= 0..422] (Type is UInt32)
        • attributes
          • long_name: sc_solution_subsec (Type is String)
          • units: subseconds (Type is String)
          • source: ATL01/atlas/a_sc_pon_1138 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Spacecraft recorded time counts - 24 bits, 100 ns per count (Type is String)
          • coordinates: delta_time (Type is String)
      • z_sc_body_rate[ /atlas/housekeeping/pointing/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: z_sc_body_rate (Type is String)
          • units: radians/second (Type is String)
          • source: ATL01/atlas/a_sc_pon_1138 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: SC body rate as measured about the Z axis in the ATLAS frame (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/housekeeping/pointing/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via Time Tagging (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • q_sc_i2b_4[ /atlas/housekeeping/pointing/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: q_sc_i2b_4 (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_sc_pon_1138 (Type is String)
          • valid_min: -1. (Type is Float64)
          • valid_max: 1. (Type is Float64)
          • contentType: referenceInformation (Type is String)
          • description: SC Inertial to ATLAS Body Frame quaternion 4 (Type is String)
          • coordinates: delta_time (Type is String)
      • q_sc_i2b_1[ /atlas/housekeeping/pointing/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: q_sc_i2b_1 (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_sc_pon_1138 (Type is String)
          • valid_min: -1. (Type is Float64)
          • valid_max: 1. (Type is Float64)
          • contentType: referenceInformation (Type is String)
          • description: SC Inertial to ATLAS Body Frame quaternion 1 (Type is String)
          • coordinates: delta_time (Type is String)
    • thermal(Type is Group)
      • attributes
        • Description: Thermal data from APID 1061 Analog HK Telemetry. Packet Frequency is 1 in Hertz. (Type is String)
        • data_rate: Data within this group are stored at the data rate of the source APID. (Nominally 1HZ). (Type is String)
      Dimensions: [ /atlas/housekeeping/thermal/delta_time = 0..422 ]
      • hkt_ob_mz3_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT OB MZ3 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Optical Bench, -Z Side T TCS-25 A_HKT_C.chan[67] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_ofa6_pri_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT OFA6 PRI T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT TCS-43 OFA6 PRI T - A_HKT_C.chan[24] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_ob_pz2_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT OB PZ2 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Optical Bench, +Z Side T TCS-27 A_HKT_C.chan[64] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_dom_rad2_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT DOM RAD2 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT DAA DOM Radiator T (Red) TCS-48 - A_HKT_C.chan[34] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_mce2_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT MEB MCE2 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT MEB MCE2 T MEB-08 - A_HKT_C.chan[6] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_ofa5_red_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT OFA5 RED T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT TCS-42 OFA5 RED T - A_HKT_C.chan[30] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_pce3_2_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT MEB PCE3 2 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT MEB PCE3 2 T MEB-16 - A_HKT_C.chan[14] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_ob_mz2_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT OB MZ2 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Optical Bench, -Z Side T TCS-24 A_HKT_C.chan[66] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_tel_pri1_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT TEL PRI1 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Telescope, Primary Mirror T (Pri) TCS-05 A_HKT_C.chan[95] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_dem1_t2_it_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT_DEM1_T2_IT_T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT A/D Ch 76 - DEM1_TH_D-MEB-39 Internal Top T A_HKT_C.chan[40] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_ob_pz4_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT_OB_PZ4_T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Optical Bench +z4 T TCS_32 A_HKT_C.chan[105] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_struc_my_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT STRUC MY T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Structure Y Panel T TCS_55 A_HKT_C.chan[91] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_lhp_evap_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT LHP EVAP T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: LHP Evaporator T TCS-15 A_HKT_C.chan[54] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_dem6_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT_DEM6_T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT A/D Ch 87 - DEM6_TH_A-MEB-50 External Bottom T A_HKT_C.chan[51] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_pce1_2_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT MEB PCE1 2 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT MEB PCE1 2 T MEB-12 - A_HKT_C.chan[10] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_scif_myflex_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT SCIF MYFLEX T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: -Y S/C Flexure T A_HKT_C.chan[93] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdub_therm_ct_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDUB THERM CT T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU CT BOARD B T -MEB-25 A_HKT_C.chan[77] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_ofa2_pri_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT OFA2 PRI T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT TCS-35 OFA2 PRI T - A_HKT_C.chan[20] (Type is String)
          • coordinates: delta_time (Type is String)
      • spdb_therm_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: SPDB THERM T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: REDUNDANT SPD THERMISTOR MEB-35 A_HKT_C.chan[81] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_lrs_orad1_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT LRS ORAD1 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: LRS Optics RadiatorT (Pri) TCS-08 A_HKT_C.chan[56] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_dem4_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT_DEM4_T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT A/D Ch 82 - DEM4_TH_A-MEB-45 External Bottom T A_HKT_C.chan[46] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_dem5_t4_et_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT_DEM5_T4_ET_T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT A/D Ch 83 - DEM5_TH_A-MEB-46 External Top T A_HKT_C.chan[47] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_pce2_2_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT MEB PCE2 2 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT MEB PCE2 2 T MEB-14 - A_HKT_C.chan[12] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_lhp_res1_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT LHP RES1 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: LHP Compensation Chamber T (Pri) TCS-10 A_HKT_C.chan[52] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_tel_sec1_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT TEL SEC1 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Telescope, Secondary Mirror T (Pri) TCS-01 A_HKT_C.chan[97] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_dem3_t4_et_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT_DEM3_T4_ET_T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT A/D Ch 78 - DEM3_TH_A-MEB-41 External Top T A_HKT_C.chan[42] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_hkt_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT MEB HKT T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT MEB HKT T MEB-21 - A_HKT_C.chan[2] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_dem3_t1_eb_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT_DEM3_T1_EB_T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT A/D Ch 79 - DEM3_TH_B-MEB-42 External Bottom T A_HKT_C.chan[43] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_ofa2_red_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT OFA2 RED T (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT TCS-36 OFA2 RED T - A_HKT_C.chan[27] (Type is String)
          • coordinates: delta_time (Type is String)
          • units: degreesC (Type is String)
      • hkt_meb_pce1_1_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT MEB PCE1 1 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT MEB PCE1 1 T MEB-11 - A_HKT_C.chan[9] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_cchp_adiab_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT CCHP ADIAB T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser CCHP Adiabatic Section T TCS-12 A_HKT_C.chan[55] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_ob_pz3_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT_OB_PZ3_T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Optical Bench +z3 T TCS_31 A_HKT_C.chan[103] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_ofa4_red_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT OFA4 RED T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT TCS-40 OFA4 RED T - A_HKT_C.chan[29] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_lrs_orad2_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT LRS ORAD2 T (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: LRS Optics Radiator T (Red) TCS-09 A_HKT_C.chan[57] (Type is String)
          • coordinates: delta_time (Type is String)
          • units: degreesC (Type is String)
      • hkt_ofa1_red_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT OFA1 RED T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT TCS-34 OFA1 RED T - A_HKT_C.chan[26] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_ofa1_et_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT_OFA1_ET_T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: OFA1 ETALON T TCS_58 A_HKT_C.chan[104] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_ofa4_pri_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT OFA4 PRI T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT TCS-39 OFA4 PRI T - A_HKT_C.chan[22] (Type is String)
          • coordinates: delta_time (Type is String)
      • hvpca_therm_a_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HVPCTHERM T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PRIMARY HVPC THERMISTOR A MEB-30 A_HKT_C.chan[68] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_imsc_mzflex_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT IMSC MZFLEX T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: IMSC Flexure 2 T TCS-29 A_HKT_C.chan[89] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_lhp_res2_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT LHP RES2 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: LHP Compensation Chamber T (Red) TCS-11 A_HKT_C.chan[53] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_dem2_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT_DEM2_T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT A/D Ch 77 - DEM2_TH_A-MEB-40 External Bottom T A_HKT_C.chan[41] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_scif_pxflex_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT SCIF PXFLEX T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: +X S/C Flexure T TCS-51 A_HKT_C.chan[87] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_dem5_t1_eb_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT_DEM5_T1_EB_T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT A/D Ch 84 - DEM5_TH_B-MEB-47 External Bottom T A_HKT_C.chan[48] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdua_therm_ct_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDUTHERM CT T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU CT BOARD A T-MEB-24 A_HKT_C.chan[70] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_ofa7_red_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT OFA7 RED T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT TCS-46 OFA7 RED T - A_HKT_C.chan[32] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_asc2_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT MEB ASC2 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT MEB ASC2 T MEB-02 - A_HKT_C.chan[1] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_ltr_trans_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT LTR TRANS T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Transmitter LTR T TCS_19 A_HKT_C.chan[102] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdua_therm_dlv_b_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDUTHERM DLV B T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU LOW VOLTAGE 2A T -MEB-28 A_HKT_C.chan[72] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_foldm_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT FOLDM T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Fold Mirror I/F I TCS-22 A_HKT_C.chan[83] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdub_therm_dlv_b_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDUB THERM DLV B T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU LOW VOLTAGE 2B T -MEB-29 A_HKT_C.chan[79] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_dem1_t3_ib_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT_DEM1_T3_IB_T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT A/D Ch 75 - DEM1_TH_C-MEB-38 Internal Bottom T A_HKT_C.chan[39] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_lrs_ss_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT LRS SS T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: LRS Sunshade I/F T TCS-13 A_HKT_C.chan[58] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_lvpc1_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT MEB LVPC1 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT MEB LVPC1 T MEB-03 - A_HKT_C.chan[3] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_imsc_myflex_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT IMSC MYFLEX T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: IMSC Flexure 1 T TCS-28 A_HKT_C.chan[88] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_sbc1_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT MEB SBC1 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT MEB SBC1 T MEB-17 - A_HKT_C.chan[15] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_ofa7_pri_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT OFA7 PRI T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT TCS-45 OFA7 PRI T - A_HKT_C.chan[25] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_mce1_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT MEB MCE1 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT MEB MCE1 T MEB-07 - A_HKT_C.chan[5] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_struc_mz_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT STRUC MZ T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Structure Z Panel T TCS_57 A_HKT_C.chan[92] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_bsm_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT BSM T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT BSM I/F T TCS-20 - A_HKT_C.chan[33] (Type is String)
          • coordinates: delta_time (Type is String)
      • hvpcb_therm_a_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HVPCB THERM T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: REDUNDANT HVPC THERMISTOR A MEB-31 A_HKT_C.chan[75] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_ofa3_red_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT OFA3 RED T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT TCS-38 OFA3 RED T - A_HKT_C.chan[28] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_pce3_1_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT MEB PCE3 1 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT MEB PCE3 1 T MEB-15 - A_HKT_C.chan[13] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_dem5_t3_ib_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT_DEM5_T3_IB_T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT A/D Ch 85 - DEM5_TH_C-MEB-48 Internal Bottom T A_HKT_C.chan[49] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_tel_pri2_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT TEL PRI2 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Telescope, Primary Mirror T (Red) TCS-06 A_HKT_C.chan[96] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_tel_tow1_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT TEL TOW1 T (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Telescope, Tower T (Pri) TCS-03 A_HKT_C.chan[99] (Type is String)
          • coordinates: delta_time (Type is String)
          • units: degreesC (Type is String)
      • hkt_ofa1_pri_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT OFA1 PRI T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT TCS-33 OFA1 PRI T - A_HKT_C.chan[19] (Type is String)
          • coordinates: delta_time (Type is String)
      • hvpcb_therm_b_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HVPCB THERM B T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: REDUNDANT HVPC THERMISTOR B MEB-33 A_HKT_C.chan[76] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_dem1_t1_eb_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT_DEM1_T1_EB_T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT A/D Ch 74 - DEM1_TH_B-MEB-37 External Bottom t A_HKT_C.chan[38] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdua_therm_mi_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDUTHERM MI T (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU MAIN PWR BOARD A T-MEB_22 A_HKT_C.chan[73] (Type is String)
          • coordinates: delta_time (Type is String)
          • units: degreesC (Type is String)
      • hkt_ltr_tams_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT LTR TAMS T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: TAMS LTR T TCS-18 A_HKT_C.chan[94] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_pce2_1_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT MEB PCE2 1 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT MEB PCE2 1 T MEB-13 - A_HKT_C.chan[11] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdua_therm_dlv_a_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDUTHERM DLV T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU LOW VOLTAGE 1A T-MEB-26 A_HKT_C.chan[71] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_ofa3_pri_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT OFA3 PRI T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT TCS-37 OFA3 PRI T - A_HKT_C.chan[21] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_sbc2_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT MEB SBC2 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT MEB SBC2 T MEB-18 - A_HKT_C.chan[16] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_cchp_las1_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT CCHP LAS1 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser 1 I/F T TCS-14 A_HKT_C.chan[59] (Type is String)
          • coordinates: delta_time (Type is String)
      • hvpca_therm_b_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HVPCTHERM B T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PRIMARY HVPC THERMISTOR B MEB-32 A_HKT_C.chan[69] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_scif_pyflex_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT SCIF PYFLEX T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: -+Y S/C Flexure T TCS-53 A_HKT_C.chan[101] (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via Time Tagging (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Number of GPS seconds since the ATLAS SDP epoch. This is computed based on the housekeeping design to sample a measurement every 0.003125 seconds from the internal ASC 1PPS . The time for this packet is set as the time of the lowest channel number in this telemetry packet.. If the specific time is needed use the channel number from the lowest channel in packet. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • hkt_a_beam_px_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT_BEAMX_PX_T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: A_HKT_BEAMX_PX_T A_HKT_C.chan[62] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_mce3_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT MEB MCE3 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT MEB MCE3 T MEB-09 - A_HKT_C.chan[7] (Type is String)
          • coordinates: delta_time (Type is String)
      • spda_therm_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: SPDTHERM T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PRIMARY SPD THERMISTOR MEB-34 A_HKT_C.chan[74] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_mce4_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT MEB MCE4 T (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT MEB MCE4 T MEB-10 - A_HKT_C.chan[8] (Type is String)
          • coordinates: delta_time (Type is String)
          • units: degreesC (Type is String)
      • pdub_therm_dlv_a_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDUB THERM DLV T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU LOW VOLTAGE 1B T -MEB-27 A_HKT_C.chan[78] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_dem1_t4_et_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT_DEM1_T4_ET_T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT A/D Ch 73 - DEM1_TH_A-MEB-36 External Top T A_HKT_C.chan[37] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_tel_pri3_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT TEL PRI3 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT Telescope, Primary Mirror T TCS-07 - A_HKT_C.chan[35] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_dom_rad1_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT DOM RAD1 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT DAA DOM Radiator T (Pri) TCS-47 - A_HKT_C.chan[36] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_beamx_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT BEAMX T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Beam Expander I/F mTTCS-21 or 30 A_HKT_C.chan[82] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_lhp_vapline_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT LHP VAPLINE T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: A_HKT_LHP_VAPLINE_T TCS-17 A_HKT_C.chan[90] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_dem3_t3_ib_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT_DEM3_T3_IB_T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT A/D Ch 80 - DEM3_TH_C-MEB-43 Internal Bottom T A_HKT_C.chan[44] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_ofa6_red_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT OFA6 RED T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT TCS-44 OFA6 RED T - A_HKT_C.chan[31] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_lasrad_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT LASRAD T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser LHP Radiator T TCS_54 A_HKT_C.chan[61] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_spd_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT SPD T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: SPD I/F T TCS-50 A_HKT_C.chan[85] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_tel_sec2_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT TEL SEC2 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Telescope, Secondary Mirror T (Red) TCS-02 A_HKT_C.chan[98] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_ob_mz1_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT OB MZ1 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Optical Bench, -Z Side T TCS-23 A_HKT_C.chan[65] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_ofa7_et_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT_OFA7_ET_T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: OFA7 ETALON T TCS_59 A_HKT_C.chan[106] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_tel_tow2_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT TEL TOW2 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Telescope, Tower T (Red) TCS-04 A_HKT_C.chan[100] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_lhp_liqline_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT LHP LIQLINE T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: LHP Liquid Line T TCS-16 A_HKT_C.chan[60] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_lvpc2_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT MEB LVPC2 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT MEB LVPC2 T MEB-04 - A_HKT_C.chan[4] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_sunshade_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT_SUNSHADE_T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Structure +Z Panel T A_HKT_C.chan[86] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_asc1_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT MEB ASC1 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT MEB ASC1 T MEB-01F - A_HKT_C.chan[0] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_wtem_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT WTEM T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: OFA WTEM I/F T TCS-49 A_HKT_C.chan[84] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_dem5_t2_it_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT_DEM5_T2_IT_T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT A/D Ch 86 - DEM5_TH_D-MEB-49 Internal Top T A_HKT_C.chan[50] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_uso2_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT MEB USO2 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT MEB USO2 T MEB-20 - A_HKT_C.chan[18] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_dem3_t2_it_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT_DEM3_T2_IT_T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT A/D Ch 81 - DEM3_TH_D-MEB-44 Internal Top T A_HKT_C.chan[45] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_ob_pz1_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT OB PZ1 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Optical Bench, +Z Side T TCS-26 A_HKT_C.chan[63] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_uso1_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT MEB USO1 T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT MEB USO1 T MEB-19 - A_HKT_C.chan[17] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdub_therm_mi_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDUB THERM MI T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU MAIN PWR BOARD B T -MEB_23 A_HKT_C.chan[80] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_ofa5_pri_t[ /atlas/housekeeping/thermal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT OFA5 PRI T (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_c_1061 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT TCS-41 OFA5 PRI T - A_HKT_C.chan[23] (Type is String)
          • coordinates: delta_time (Type is String)
    • laser_energy_internal(Type is Group)
      • attributes
        • Description: Internal laser energy from APID 1032 SLA_HK. Packet Frequency is 1 Hertz. (Type is String)
        • data_rate: Data within this group are provided at the packet rate of 1hz. (Type is String)
      Dimensions: [ /atlas/housekeeping/laser_energy_internal/delta_time = 0..422 ]
      • e_tx_pce2_s[ /atlas/housekeeping/laser_energy_internal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: Spot laser energy for PCE2, strong (Type is String)
          • units: joules (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser energy for the PCE2 strong spot, derived from the internal laser energy monitor and split by calibration. (Type is String)
          • coordinates: delta_time (Type is String)
      • e_tx_pce3_w[ /atlas/housekeeping/laser_energy_internal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: Spot laser energy for PCE3, weak (Type is String)
          • units: joules (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser energy for the PCE3 weak spot, derived from the internal laser energy monitor and split by calibration. (Type is String)
          • coordinates: delta_time (Type is String)
      • laser_mode[ /atlas/housekeeping/laser_energy_internal/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: Laser Mode Setting (Type is String)
          • units: 1 (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser Mode setting reported in A_SLA_HK (APID 1032). (Type is String)
          • coordinates: delta_time (Type is String)
      • e_tx_pce3_s[ /atlas/housekeeping/laser_energy_internal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: Spot laser energy for PCE3, strong (Type is String)
          • units: joules (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser energy for the PCE3 strong spot, derived from the internal laser energy monitor and split by calibration. (Type is String)
          • coordinates: delta_time (Type is String)
      • e_tx[ /atlas/housekeeping/laser_energy_internal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: total laser energy (Type is String)
          • units: joules (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Total laser energy derived from the internal laser energy monitor (APID 1032). (Type is String)
          • coordinates: delta_time (Type is String)
      • laser_temp[ /atlas/housekeeping/laser_energy_internal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: Laser Temperature (Type is String)
          • units: degreesC (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser Temperature. From SLA_HK Telemetry packet (APID 1032, Laser Cmd Code 0xFE LAS-14, raw_lem_temp). (Type is String)
          • coordinates: delta_time (Type is String)
      • e_tx_pce1_s[ /atlas/housekeeping/laser_energy_internal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: Spot laser energy for PCE1, strong (Type is String)
          • units: joules (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser energy for the PCE1 strong spot, derived from the internal laser energy monitor and split by calibration. (Type is String)
          • coordinates: delta_time (Type is String)
      • e_tx_pce2_w[ /atlas/housekeeping/laser_energy_internal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: Spot laser energy for PCE2, weak (Type is String)
          • units: joules (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser energy for the PCE2 weak spot, derived from the internal laser energy monitor and split by calibration. (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/housekeeping/laser_energy_internal/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via Time Tagging (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. The timestamp is computed based on the housekeeping design to sample laser near the asc 1pps internal pulse. (See the L1B ATBD section 5 Radiometric Corrections ) (Type is String)
      • e_tx_pce1_w[ /atlas/housekeeping/laser_energy_internal/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: Spot laser energy for PCE1, weak (Type is String)
          • units: joules (Type is String)
          • source: ICESat-2 L1B ATBD, Section 5.2, Transmitted Energy (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Laser energy for the PCE1 weak spot, derived from the internal laser energy monitor and split by calibration. (Type is String)
          • coordinates: delta_time (Type is String)
    • meb(Type is Group)
      • attributes
        • Description: Data from APID 1062 Analog HK Telemetry. Packet Frequency is 1 in Hertz. Voltage and current data (Type is String)
        • data_rate: Data within this group are stored at the data rate of the source APID. (Nominally 1HZ). (Type is String)
      Dimensions: [ /atlas/housekeeping/meb/delta_time = 0..422 ]
      • hkt_meb_p15p0i_lvpc_i[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: 15P0I_POS_TLM-LVPC (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: 15P0I_POS_TLM-LVPC - A_HKT_D.chan[20] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_p5d_mon_v[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: +5D Monitor (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: +5D Monitor - A_HKT_D.chan[7] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_p15v_mon_v[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: +15V Monitor (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: +15V Monitor - A_HKT_D.chan[9] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_2p5v_pce3_v[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: 2P5VTLM-PCE3 (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: 2P5VTLM-PCE3 - A_HKT_D.chan[27] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_3p3v_mon_v[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: 3.3V Monitor (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: 3.3V Monitor - A_HKT_D.chan[6] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_5p0v_sbc_v[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: 5P0V_SBC_TLM (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: 5P0V_SBC_TLM - A_HKT_D.chan[29] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_1p5v_mon_v[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT 1.5V Monitor (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT 1.5V Monitor - A_HKT_D.chan[5] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_i_uso_i[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: ITLM-USO (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ITLM-USO - A_HKT_D.chan[15] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_2p5v_pce2_v[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: 2P5VTLM-PCE2 (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: 2P5VTLM-PCE2 - A_HKT_D.chan[26] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_1p5v_asc_v[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: 1P5VTLM-ASC (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: 1P5VTLM-ASC - A_HKT_D.chan[22] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_1p5vb_pce3_v[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: 1P5VBTLM-PCE3 (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: 1P5VBTLM-PCE3 - A_HKT_D.chan[18] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_3p3i_lvpc_i[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: 3P3ITLM-LVPC (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: 3P3ITLM-LVPC - A_HKT_D.chan[12] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_1p5va_pce1_v[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: 1P5VATLM-PCE1 (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: 1P5VATLM-PCE1 - A_HKT_D.chan[23] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_5p0i_sbc_i[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: 5P0I_SBC_TLM (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: 5P0I_SBC_TLM - A_HKT_D.chan[28] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_n15p0i_lvpc_i[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: 15P0I_NEG_TLM-LVPC (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: 15P0I_NEG_TLM-LVPC - A_HKT_D.chan[21] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_n5a_mon_v[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT -5A Monitor (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT -5A Monitor - A_HKT_D.chan[11] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_cal_p65p3_t[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: CAL +65.3 (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: CAL +65.3 - A_HKT_D.chan[0] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_1p5va_pce2_v[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: 1P5VATLM-PCE2 (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: 1P5VATLM-PCE2 - A_HKT_D.chan[16] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_cal_n35p9_t[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: CAL -35.9 (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: CAL -35.9 - A_HKT_D.chan[3] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_cal_p25_t[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: CAL +25 (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: CAL +25 - A_HKT_D.chan[1] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_2p5v_pce1_v[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: 2P5VTLM-PCE1 (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: 2P5VTLM-PCE1 - A_HKT_D.chan[19] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_n15v_mon_v[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: -15V Monitor (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: -15V Monitor - A_HKT_D.chan[10] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_1p5va_pce3_v[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: 1P5VATLM-PCE3 (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: 1P5VATLM-PCE3 - A_HKT_D.chan[17] (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via Time Tagging (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • hkt_ground_check[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: Ground check (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Ground check - A_HKT_D.chan[30] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_v_uso_v[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: VTLM-USO (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: VTLM-USO - A_HKT_D.chan[14] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_cal_n62p5_t[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: CAL -62.5 (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: CAL -62.5 - A_HKT_D.chan[4] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_5p0i_lvpc_i[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: 5P0ITLM-LVPC (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: 5P0ITLM-LVPC - A_HKT_D.chan[13] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_p5a_mon_v[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HKT +5A Monitor (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HKT +5A Monitor - A_HKT_D.chan[8] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_cal_n6p6_t[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: CAL -6.6 (Type is String)
          • units: degreesC (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: CAL -6.6 - A_HKT_D.chan[2] (Type is String)
          • coordinates: delta_time (Type is String)
      • hkt_meb_1p5vb_pce2_v[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: 1P5VBTLM-PCE2 (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: 1P5VBTLM-PCE2 - A_HKT_D.chan[25] (Type is String)
          • coordinates: delta_time (Type is String)
          • units: volts (Type is String)
      • hkt_meb_1p5vb_pce1_v[ /atlas/housekeeping/meb/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: 1P5VBTLM-PCE1 (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_d_1062 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: 1P5VBTLM-PCE1 - A_HKT_D.chan[24] (Type is String)
          • coordinates: delta_time (Type is String)
    • pdu(Type is Group)
      • attributes
        • Description: PDU Analog HK Telemetry. The PDU analog telemetry digitized by the HKT card and collected by the SBC Thermal Control Task. Packet Frequency is 1 in Hertz. Data is from the APID 1059 (Primary) or APID 1060 (Redundant) HK packets. (Type is String)
        • data_rate: Data within this group are stored at the data rate of the source APID. (Nominally 1HZ). (Type is String)
      Dimensions: [ /atlas/housekeeping/pdu/delta_time = 0..422 ]
      • pdu_spare_3_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU SPARE 3 V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU SPARE 3 V - A_HKT.chan[29] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_p3p3v_dem5_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU P3P3V DEM5 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU P3P3V DEM5 I - A_HKT.chan[57] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_n3v_dem1_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU N3V DEM1 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU N3V DEM1 I - A_HKT.chan[52] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_tcs_ofa_htr1_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU TCS OFA HTR1 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU TCS OFA HTR1 I - A_HKT.chan[32] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_lhp2_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU LHP2 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU LHP2 I - A_HKT.chan[44] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_meb_lvpc_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU MEB LVPC V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU MEB LVPC V - A_HKT.chan[16] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_tcs_ofa_htr6_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU TCS OFA HTR6 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU TCS OFA HTR6 I - A_HKT.chan[37] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_pwm_tlsp_pri_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU PWM TLSP PRI I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU PWM TLSP PRI I - A_HKT.chan[39] (Type is String)
          • coordinates: delta_time (Type is String)
      • hvpc_mod_3[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HVPC Module 3 (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HVPC Module 3 - A_HKT.chan[72] (Type is String)
          • coordinates: delta_time (Type is String)
      • hvpc_tlm_7[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HVPC TLM 7 (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HVPC TLM 7 - A_HKT.chan[77] (Type is String)
          • coordinates: delta_time (Type is String)
          • units: volts (Type is String)
      • pdu_p5v_dem2_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU P5V DEM2 V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU P5V DEM2 V - A_HKT.chan[3] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_laser_1_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU LASER 1 V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU LASER 1 V - A_HKT.chan[14] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_spare_4_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU SPARE 4 V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU SPARE 4 V - A_HKT.chan[30] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_tcs_ofa_htr4_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU TCS OFA HTR4 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU TCS OFA HTR4 I - A_HKT.chan[35] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_laser_2_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU LASER 2 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU LASER 2 I - A_HKT.chan[22] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_n3v_dem2_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU N3V DEM2 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU N3V DEM2 I - A_HKT.chan[63] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_det_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU DET I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU DET I - A_HKT.chan[23] (Type is String)
          • coordinates: delta_time (Type is String)
      • hvpc_mod_2[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HVPC Module 2 (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HVPC Module 2 - A_HKT.chan[71] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_p3p3v_dem5_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU P3P3V DEM5 V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU P3P3V DEM5 V - A_HKT.chan[10] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_ofa_p12v_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU OFA P12V I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU OFA P12V I - A_HKT.chan[59] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_spare_5_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: A PDU SPARE 5V (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: A_PDU_SPARE_5_V - HKT.chan[60] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_p5v_dem6_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU P5V DEM6 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU P5V DEM6 I - A_HKT.chan[67] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_n3v_dem3_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU N3V DEM3 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU N3V DEM3 I - A_HKT.chan[55] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_p5v_dem5_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU P5V DEM5 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU P5V DEM5 I - A_HKT.chan[56] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_spare_2_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU SPARE 2 V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU SPARE 2 V - A_HKT.chan[28] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_ofa_p12v_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU OFA P12V V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU OFA P12V V - A_HKT.chan[12] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_p3p3v_dem2_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU P3P3V DEM2 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU P3P3V DEM2 I - A_HKT.chan[62] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_spd_p3p3v_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU SPD P3P3V V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU SPD P3P3V V - A_HKT.chan[20] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_lrs_opts_heater_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU LRS OPTS HEATER I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU LRS OPTS HEATER I - A_HKT.chan[45] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_n3v_dem4_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU N3V DEM4 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU N3V DEM4 I - A_HKT.chan[66] (Type is String)
          • coordinates: delta_time (Type is String)
      • hvpc_mod_6[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HVPC Module 6 (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HVPC Module 6 - A_HKT.chan[75] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_lrs_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU LRS I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU LRS I - A_HKT.chan[25] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_n3v_dem3_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU N3V DEM3 V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU N3V DEM3 V - A_HKT.chan[8] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_p3p3v_dem4_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU P3P3V DEM4 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU P3P3V DEM4 I - A_HKT.chan[65] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_p5v_dem2_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU P5V DEM2 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU P5V DEM2 I - A_HKT.chan[61] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_p5v_dem5_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU P5V DEM5 V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU P5V DEM5 V - A_HKT.chan[9] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_meb_lvpc_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU MEB LVPC I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU MEB LVPC I - A_HKT.chan[26] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_n3v_dem2_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU N3V DEM2 V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU N3V DEM2 V - A_HKT.chan[5] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_p3p3v_dem2_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU P3P3V DEM2 V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU P3P3V DEM2 V - A_HKT.chan[4] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_tcs_ofa_htr5_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU TCS OFA HTR5 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU TCS OFA HTR5 I - A_HKT.chan[36] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_tcs_ofa_htr7_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU TCS OFA HTR7 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU TCS OFA HTR7 I - A_HKT.chan[38] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_lhp1_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU LHP1 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU LHP1 I - A_HKT.chan[43] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_n3v_dem1_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU N3V DEM1 V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU N3V DEM1 V - A_HKT.chan[2] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_p5v_dem1_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU P5V DEM1 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU P5V DEM1 I - A_HKT.chan[50] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_p5v_dem3_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU P5V DEM3 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU P5V DEM3 I - A_HKT.chan[53] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_spd_n5v_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU SPD N5V V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU SPD N5V V - A_HKT.chan[19] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_pwm_tlsp_tower_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU PWM TLSP TOWER I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU PWM TLSP TOWER I - A_HKT.chan[41] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_laser_2_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU LASER 2 V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU LASER 2 V - A_HKT.chan[15] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_p3p3v_dem1_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU P3P3V DEM1 V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU P3P3V DEM1 V - A_HKT.chan[1] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_det_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU DET V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU DET V - A_HKT.chan[17] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_spd_p5v_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU SPD P5V I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU SPD P5V I - A_HKT.chan[47] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_p3p3v_dem3_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU P3P3V DEM3 V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU P3P3V DEM3 V - A_HKT.chan[7] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_n3v_dem5_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU N3V DEM5 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU N3V DEM5 I - A_HKT.chan[58] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_daa_opts_htr_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU DAA OPTS HTR I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU DAA OPTS HTR I - A_HKT.chan[46] (Type is String)
          • coordinates: delta_time (Type is String)
      • hvpc_mod_4[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HVPC Module 4 (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HVPC Module 4 - A_HKT.chan[73] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_spd_p5v_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU SPD P5V V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU SPD P5V V - A_HKT.chan[18] (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via Time Tagging (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Number of GPS seconds since the ATLAS SDP GPS Epoch. This is computed based on the housekeeping design to sample a measurement every 0.003125 seconds from the internal ASC 1PPS . The time for this packet is set as the time of the lowest software channel number in this telemetry packet. If the specific time is needed add to it the difference of its actual ATLAS hardware channel number from the lowest software channel number times the 0.003125 seconds. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • pdu_lhp_startup_htr_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU LHP STARTUP HTR I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU LHP STARTUP HTR I - A_HKT.chan[42] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_spd_n5v_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU SPD N5V I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU SPD N5V I - A_HKT.chan[48] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_p5v_dem1_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU P5V DEM1 V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU P5V DEM1 V - A_HKT.chan[0] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_tcs_ofa_htr2_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU TCS OFA HTR2 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU TCS OFA HTR2 I - A_HKT.chan[33] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_spd_p3p3v_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU SPD P3P3V I (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU SPD P3P3V I - A_HKT.chan[49] (Type is String)
          • coordinates: delta_time (Type is String)
          • units: amps (Type is String)
      • hvpc_mod_1[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HVPC Module 1 (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HVPC Module 1 - A_HKT.chan[70] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_tcs_ofa_htr3_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU TCS OFA HTR3 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU TCS OFA HTR3 I - A_HKT.chan[34] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_spare_1_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU SPARE 1 V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU SPARE 1 V - A_HKT.chan[27] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_laser_1_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU LASER 1 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU LASER 1 I - A_HKT.chan[21] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_p5v_dem3_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU P5V DEM3 V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU P5V DEM3 V - A_HKT.chan[6] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_pwm_tlsp_sec_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU PWM TLSP SEC I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU PWM TLSP SEC I - A_HKT.chan[40] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_n3v_dem6_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU N3V DEM6 I (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU N3V DEM6 I - A_HKT.chan[69] (Type is String)
          • coordinates: delta_time (Type is String)
          • units: amps (Type is String)
      • pdu_hvpc_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU HVPC I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU HVPC I - A_HKT.chan[24] (Type is String)
          • coordinates: delta_time (Type is String)
      • hvpc_mod_5[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HVPC Module 5 (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HVPC Module 5 - A_HKT.chan[74] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_p3p3v_dem1_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU P3P3V DEM1 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU P3P3V DEM1 I - A_HKT.chan[51] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_p3p3v_dem6_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU P3P3V DEM6 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU P3P3V DEM6 I - A_HKT.chan[68] (Type is String)
          • coordinates: delta_time (Type is String)
      • hvpc_tlm_6[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: HVPC TLM 6 (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: HVPC TLM 6 - A_HKT.chan[76] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_p5v_dem4_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU P5V DEM4 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU P5V DEM4 I - A_HKT.chan[64] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_p3p3v_dem3_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU P3P3V DEM3 I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU P3P3V DEM3 I - A_HKT.chan[54] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_ofa_n12v_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU OFA N12V V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU OFA N12V V - A_HKT.chan[13] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_n3v_dem5_v[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU N3V DEM5 V (Type is String)
          • units: volts (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU N3V DEM5 V - A_HKT.chan[11] (Type is String)
          • coordinates: delta_time (Type is String)
      • pdu_tams_i[ /atlas/housekeeping/pdu/delta_time= 0..422] (Type is Float32)
        • attributes
          • long_name: PDU TAMS I (Type is String)
          • units: amps (Type is String)
          • source: ATL01/atlas/a_hkt_a_1059 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDU TAMS I - A_HKT.chan[31] (Type is String)
          • coordinates: delta_time (Type is String)
    • position_velocity(Type is Group)
      • attributes
        • Description: APID 1137 ATLAS Position Message-Spacecraft Position and Velocity Packet - Relayed to SSR. Packet Frequency is in Hertz. (Type is String)
        • data_rate: Data within this group are stored at the data rate of the source APIDs. (only downlinked on command). (Type is String)
      Dimensions: [ /atlas/housekeeping/position_velocity/delta_time = 0..422 ]
      • x_sc_eci_vel[ /atlas/housekeeping/position_velocity/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: x_sc_eci_vel (Type is String)
          • source: ATL01/atlas/a_sc_pos_1137 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Spacecraft Earth-Centered-Inertial Velocity: X axis (Type is String)
          • coordinates: delta_time (Type is String)
          • units: meters/second (Type is String)
      • z_sc_eci_pos[ /atlas/housekeeping/position_velocity/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: z_sc_eci_pos (Type is String)
          • units: meters (Type is String)
          • source: ATL01/atlas/a_sc_pos_1137 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Spacecraft Earth-Centered-Inertial Position: Z axis (Type is String)
          • coordinates: delta_time (Type is String)
      • z_sc_eci_vel[ /atlas/housekeeping/position_velocity/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: z_sc_eci_vel (Type is String)
          • source: ATL01/atlas/a_sc_pos_1137 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Spacecraft Earth-Centered-Inertial Velocity: Z axis (Type is String)
          • coordinates: delta_time (Type is String)
          • units: meters/second (Type is String)
      • sc_solution_sec[ /atlas/housekeeping/position_velocity/delta_time= 0..422] (Type is UInt32)
        • attributes
          • long_name: sc_solution_sec (Type is String)
          • units: seconds (Type is String)
          • source: ATL01/atlas/a_sc_pos_1137 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Recorded time of the position/velocity solution in seconds from the spacecraft epoch (Type is String)
          • coordinates: delta_time (Type is String)
      • sc_solution_subsec[ /atlas/housekeeping/position_velocity/delta_time= 0..422] (Type is UInt32)
        • attributes
          • long_name: sc_solution_subsec (Type is String)
          • units: seconds (Type is String)
          • source: ATL01/atlas/a_sc_pos_1137 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Spacecraft recorded time counts - 24 bits, 100 ns per count (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/housekeeping/position_velocity/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via Time Tagging (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • y_sc_eci_vel[ /atlas/housekeeping/position_velocity/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: y_sc_eci_vel (Type is String)
          • units: meters/second (Type is String)
          • source: ATL01/atlas/a_sc_pos_1137 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Spacecraft Earth-Centered-Inertial Velocity: Y axis (Type is String)
          • coordinates: delta_time (Type is String)
      • y_sc_eci_pos[ /atlas/housekeeping/position_velocity/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: y_sc_eci_pos (Type is String)
          • units: meters (Type is String)
          • source: ATL01/atlas/a_sc_pos_1137 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Spacecraft Earth-Centered-Inertial Position: Y axis (Type is String)
          • coordinates: delta_time (Type is String)
      • x_sc_eci_pos[ /atlas/housekeeping/position_velocity/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: x_sc_eci_pos (Type is String)
          • units: meters (Type is String)
          • source: ATL01/atlas/a_sc_pos_1137 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Spacecraft Earth-Centered-Inertial Position: X axis (Type is String)
          • coordinates: delta_time (Type is String)
    • status(Type is Group)
      • attributes
        • Description: Flags parsed from HKT Status Registers Housekeeping Packet. Packet Frequency is 1 in Hertz. (Type is String)
        • data_rate: Data within this group are stored at the data rate of the source APID. (Nominally 1HZ). (Type is String)
      Dimensions: [ /atlas/housekeeping/status/delta_time = 0..422 ]
      • pdub_ofa2[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUB_OFA2 status flag (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_OFA2 status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdub_ofa1[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUB_OFA1 status flag (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_OFA1 status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdub_lhp_startup[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUB_LHP_STARTUP status flag (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_LHP_STARTUP status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdub_det_ps[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUB_DET_PS status flag (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_DET_PS status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdub_spare_sig[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_SPARE_SIG status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
          • long_name: PDUB_SPARE_SIG status flag (Type is String)
      • pdub_ofa7[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUB_OFA7 status flag (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_OFA7 status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdub_lrs_opt[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUB_LRS_OPT status flag (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_LRS_OPT status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdub_laser_2[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUB_LASER_2 status flag (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_LASER_2 status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdub_ofa_ps[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUB_OFA_PS status flag (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_OFA_PS status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdub_ofa5[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUB_OFA5 status flag (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_OFA5 status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdua_spd_ps[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUA_SPD_PS status flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_SPD_PS status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdua_lhp_startup[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_LHP_STARTUP status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
          • long_name: PDUA_LHP_STARTUP status flag (Type is String)
      • pdua_pri_mir[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUA_PRI_MIR status flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_PRI_MIR status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdua_hvpc[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUA_HVPC status flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_HVPC status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdub_tams_ls[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUB_TAMS_LS status flag (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_TAMS_LS status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdua_daa_opt[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUA_DAA_OPT status flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_DAA_OPT status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdub_ofa4[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUB_OFA4 status flag (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_OFA4 status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdub_sec_mir[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUB_SEC_MIR status flag (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_SEC_MIR status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdua_lrs[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUA_LRS status flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_LRS status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdub_lhp2[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUB_LHP2 status flag (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_LHP2 status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdua_det_ps[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUA_DET_PS status flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_DET_PS status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdua_spare_sig[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUA_SPARE_SIG status flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_SPARE_SIG status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdua_ofa5[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUA_OFA5 status flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_OFA5 status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdub_hvpc[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUB_HVPC status flag (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_HVPC status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdub_spd_ps[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUB_SPD_PS status flag (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_SPD_PS status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdua_laser_2[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUA_LASER_2 status flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_LASER_2 status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdub_ofa6[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUB_OFA6 status flag (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_OFA6 status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdua_tower[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUA_TOWER status flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_TOWER status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdua_ofa4[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUA_OFA4 status flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_OFA4 status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdua_ofa2[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUA_OFA2 status flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_OFA2 status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdua_ofa_ps[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUA_OFA_PS status flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_OFA_PS status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdua_ofa1[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUA_OFA1 status flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_OFA1 status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdua_lrs_opt[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUA_LRS_OPT status flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_LRS_OPT status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdub_lrs[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUB_LRS status flag (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_LRS status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdua_ofa6[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUA_OFA6 status flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_OFA6 status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdua_laser_1[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUA_LASER_1 status flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_LASER_1 status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdua_sec_mir[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUA_SEC_MIR status flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_SEC_MIR status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • delta_time[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via Time Tagging (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • pdub_tower[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUB_TOWER status flag (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_TOWER status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdua_ofa7[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUA_OFA7 status flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_OFA7 status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdub_daa_opt[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUB_DAA_OPT status flag (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_DAA_OPT status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdua_tams_ls[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUA_TAMS_LS status flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_TAMS_LS status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdua_lhp2[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUA_LHP2 status flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_LHP2 status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdub_ofa3[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUB_OFA3 status flag (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_OFA3 status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdua_ofa3[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUA_OFA3 status flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_OFA3 status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdub_laser_1[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUB_LASER_1 status flag (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_LASER_1 status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdua_lhp1[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUA_LHP1 status flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: PDUA_LHP1 status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdub_pri_mir[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUB_PRI_MIR status flag (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_PRI_MIR status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • pdub_lhp1[ /atlas/housekeeping/status/delta_time= 0..422] (Type is Int8)
        • attributes
          • long_name: PDUB_LHP1 status flag (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/a_hkt_status_1065 converted (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: PDUB_LHP1 status flag. 0=ON, 1=OFF (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: on off (Type is String)
          • flag_values: 0, 1 (Type is Int8)
    • time_at_the_tone(Type is Group)
      • attributes
        • Description: APID 1136 Spacecraft Time at the Tone Packet - Relayed to SSR. Packet Frequency is by command. ATLAS Time-At-The-Tone-Was Message (Type is String)
        • data_rate: Data within this group are stored at the data rate of the source APIDs. (only downlinked on command). (Type is String)
      Dimensions: [ /atlas/housekeeping/time_at_the_tone/delta_time = 0..422 ]
      • delta_time[ /atlas/housekeeping/time_at_the_tone/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via Time Tagging (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • gps_1pps_sec[ /atlas/housekeeping/time_at_the_tone/delta_time= 0..422] (Type is UInt32)
        • attributes
          • long_name: gps 1pps (Type is String)
          • units: seconds since January 6, 1980 (Type is String)
          • source: ATL01/APID 1136 Byte 0014-0017 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: GPS reported seconds. (Type is String)
          • coordinates: delta_time (Type is String)
      • gps_1pps_subsec[ /atlas/housekeeping/time_at_the_tone/delta_time= 0..422] (Type is UInt32)
        • attributes
          • long_name: gps 1pps subsec (Type is String)
          • units: milliseconds (Type is String)
          • source: ATL01/APID 1136 Byte 0014-0017 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: GPS reported subseconds (Type is String)
          • coordinates: delta_time (Type is String)
      • sc_time_1pps_sec[ /atlas/housekeeping/time_at_the_tone/delta_time= 0..422] (Type is UInt32)
        • attributes
          • long_name: SC time at 1 pps (Type is String)
          • units: seconds since January 6, 1980 (Type is String)
          • source: ATL01/APID 1136 Byte 0014-0017 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: SC time at the reception of the last 1PPS signal from the GPSR. (Type is String)
          • coordinates: delta_time (Type is String)
      • sc_time_1pps_subsec[ /atlas/housekeeping/time_at_the_tone/delta_time= 0..422] (Type is UInt32)
        • attributes
          • long_name: SC time at 1 pps (subsec) (Type is String)
          • units: 100 nanoseconds (Type is String)
          • source: ATL01/APID 1136 Byte 0014-0017 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Subsecond portion of the SC time at the reception of the last 1PPS signal from the GPSR (seconds since SC epoch: 6-Jan-1980 00:00:00) (Type is String)
          • coordinates: delta_time (Type is String)
  • tx_pulse_width(Type is Group)
    • attributes
      • Description: Contains parameters to characterize the ATLAS pulse shape, derived from the Start Pulse Detector data. (Type is String)
      • data_rate: Parameters in this group are stored at the ATLAS shot rate. (Type is String)
    Dimensions: [ /atlas/tx_pulse_width/delta_time = 0..4229842 ]
    • delta_time[ /atlas/tx_pulse_width/delta_time= 0..4229842] (Type is Float64)
      • attributes
        • long_name: Elapsed GPS seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Operations (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Elapsed seconds since the ATLAS SDP GPS Epoch, associated with the transmit time where data from all 3 PCEs are present and aligned. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
    • tx_pulse_skew_est[ /atlas/tx_pulse_width/delta_time= 0..4229842] (Type is Float32)
      • attributes
        • units: seconds (Type is String)
        • _FillValue: 3.402823466e+38 (Type is Float32)
        • long_name: Transmit Pulse Skew Estimate (Type is String)
        • source: ATL02 ATBD, Section 7.2 (Type is String)
        • contentType: modelResult (Type is String)
        • description: The difference between the averages of the lower and upper threshold crossing times. This is an estimate of the transmit pulse skew. (Type is String)
        • coordinates: delta_time (Type is String)
    • tx_pulse_width_lower[ /atlas/tx_pulse_width/delta_time= 0..4229842] (Type is Float32)
      • attributes
        • _FillValue: 3.402823466e+38 (Type is Float32)
        • long_name: Transmit Pulse Energy Lower Width (Type is String)
        • units: seconds (Type is String)
        • source: ATL03 ATBD (Type is String)
        • contentType: modelResult (Type is String)
        • description: The distance between the lower threshold crossing times measured by the Start Pulse Detector. Only present when data from all 3 PCEs are available and aligned. (Type is String)
        • coordinates: delta_time (Type is String)
    • tx_pulse_width_upper[ /atlas/tx_pulse_width/delta_time= 0..4229842] (Type is Float32)
      • attributes
        • _FillValue: 3.402823466e+38 (Type is Float32)
        • long_name: Transmit Pulse Energy Upper Width (Type is String)
        • units: seconds (Type is String)
        • source: ATL03 ATBD (Type is String)
        • contentType: modelResult (Type is String)
        • description: The distance between the upper threshold crossing times measured by the Start Pulse Detector. Only present when data from all 3 PCEs are available and aligned. (Type is String)
        • coordinates: delta_time (Type is String)
  • pce2(Type is Group)
    • attributes
      • Description: Group contains the Photon Counting Electronics x (PCEx) packet decommutated data (Type is String)
      • data_rate: Data within this group are stored at the data rate of the source PCE Data Packets. (nominally fifty per second.) (Type is String)
    • sxp_ssr_s(Type is Group)
      • attributes
        • Description: SBC Extrapolation Task telemetry containing Flight Science Receiver Algorithm team requested telemetry for the first set of PCE extrapolation data for a major frame.: lat, long, range, nadir angle, etc. (from APIDs 1152 thru 1157) (Type is String)
      Dimensions: [ /atlas/pce2/sxp_ssr_s/delta_time = 0..422 ] [ /atlas/pce2/sxp_ssr_s/ds_50samples = 0..49 ]
      • delta_time[ /atlas/pce2/sxp_ssr_s/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The time of the first TX pulse in the major frame, relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • ds_50samples[ /atlas/pce2/sxp_ssr_s/ds_50samples= 0..49] (Type is Int8)
        • attributes
          • long_name: DS for 50 bytes (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • valid_min: 1 (Type is Int8)
          • valid_max: 50 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: Dimension scale for an array of 50 samples. (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • latitude[ /atlas/pce2/sxp_ssr_s/delta_time= 0..422] [ /atlas/pce2/sxp_ssr_s/ds_50samples= 0..49] (Type is Float64)
        • attributes
          • long_name: latitude (Type is String)
          • units: degrees (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Latitude (Type is String)
          • coordinates: delta_time (Type is String)
      • longitude[ /atlas/pce2/sxp_ssr_s/delta_time= 0..422] [ /atlas/pce2/sxp_ssr_s/ds_50samples= 0..49] (Type is Float64)
        • attributes
          • long_name: longitude (Type is String)
          • units: degrees (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Longitude (Type is String)
          • coordinates: delta_time (Type is String)
      • mf_cosz[ /atlas/pce2/sxp_ssr_s/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: First Major Frame cosZ (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Cosine of the solar zenith angle (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • pce_mframe_cnt[ /atlas/pce2/sxp_ssr_s/delta_time= 0..422] (Type is UInt32)
        • attributes
          • long_name: PCE Major frame counter (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • cosb[ /atlas/pce2/sxp_ssr_s/delta_time= 0..422] [ /atlas/pce2/sxp_ssr_s/ds_50samples= 0..49] (Type is Float64)
        • attributes
          • long_name: cosB (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Cosine of the off-nadir angle as calculated onboard from the spacecraft information (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • srm[ /atlas/pce2/sxp_ssr_s/delta_time= 0..422] [ /atlas/pce2/sxp_ssr_s/ds_50samples= 0..49] (Type is Byte)
        • attributes
          • long_name: srm (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Surface type, vegetation and coastline information from the SRM. (bit 0-1 = surface type (0=ocean, 1=land, 2=sea ice, 3=land ice). Bit 2 = vegetation present, Bit 3 = coastline present) (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
    • dfc_hk(Type is Group)
      • attributes
        • Description: This DFCx_hk is a diagnostic packet (APID 1072, 1088, 1104) that contains some of the parameters normally part of APID 1254, 1264, 1274 (as sequence flag 01). Also know as the PCE Altimetric Science Data Major Frame described in ICESat-2-MEB-SPEC-0875, section 5.13 Table 19. The data in the group are neither calibrated nor EU-converted, but preserved from ATL01 in order provided diagnostics for TOF processing. (Type is String)
        • data_rate: Data within this group are stored at the data rate of the source APID (nominally 50 Hz). (Type is String)
      Dimensions: [ /atlas/pce2/dfc_hk/delta_time = 0..21149 ]
      • alt_imet_at_1pps[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is Int64)
        • attributes
          • long_name: IMET at 1 pps (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0016-0021 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight s/w 25 MHz IMET counter value when 1PPS is received (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_last_seq_count[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: last sequence packet count (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0060-0061 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: CCSDS Packet Sequence Count value of the last downlink packet prior to the major frame. This should be the last packet associated with the previous major frame. That packet should contain the last Tx/RX data for the last shot of the previous major frame. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_rw_start_reg_w[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: Altimetric Weak Range Window Start Reg (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0086-0088 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the transmit pulse and the start of the altimetric range window for the weak spot. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_t0_cnt[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: T0 counter (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0028-0029 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight s/w T0 counter that clears with 1PPS (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_spw_not_ready_cnt[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: SpW Not Ready Counter (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0115 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Counts each time SpW causes DFC to wait to transmit data to back-end (Status Only) (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_sci_seg_limit[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Science Data Segment Limit Size (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0069-0070 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Science Data Segment Limit Size ; initialization Value (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_rw_start_reg_s[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: Altimetric Strong Range Window Start Reg (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0076-0078 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the transmit pulse and the start of the altimetric range window for the strong spot (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_spot_tag_cnts_s[ 0..21149] [ 0..3] (Type is UInt16)
        • attributes
          • long_name: strong spot tag counter (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0034-0041 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The number of events received by the DFC on channels 1 through 16 summed over 50 range window openings. The four elements of the array correspond to dividing the major frame up into 50 shots. The last element of the array can be 49 or 51 shots depending on the alignment of the range windows with respect to the major frame. Note that these counts are time tag counts and are subject to all the limitations and behaviors associated with time tags (duplicates, FIFO overflows, etc.). (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_rw_width_reg_s[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Altimetric Strong Range Window Width Reg (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0079-0080 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the range window start and range window stop for the strong spot. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_spot_tag_cnts_w[ 0..21149] [ 0..3] (Type is UInt16)
        • attributes
          • long_name: weak spot tag counter (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0042-48 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The number of events received by the DFC on channels 17 through 20 summed over 50 range window openings. The four elements of the array correspond to dividing the major frame up into 50 shots. The last element of the array can be 49 or 51 shots depending on the alignment of the range windows with respect to the major frame. Note that these counts are time tag counts and are subject to all the limitations and behaviors associated with time tags (duplicates, FIFO overflows, etc.). (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_cmd_count[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Command Counter (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0062-0063 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Command Counter; Indicates the number of good commands received by the DFC prior to the Major Frame Packet being transmitted (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_gp_reg[ 0..21149] [ 0..1] (Type is Byte)
        • attributes
          • long_name: General Purpose Register (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0100-0101 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: General Purpose Register (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • tx_leading_coarse[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is Int16)
        • attributes
          • long_name: tx latest leading edge coarse (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0054-0056 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Latest Leading Start Time Tag-acquired leading start time tag value (paired with trailing start time time tag value) coarse time in counts (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_dfc_hk_status[ 0..21149] [ 0..4] (Type is Byte)
        • attributes
          • source: APID 1072, 1088, 1104 Byte 0106-0110 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: DFC Housekeeping Status Bits. Defined in ATLAS MEB PCE DFC FPGA Specification, ICESat-2-MEB-SPEC-0875, section 5.12 (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
          • long_name: DFC Housekeeping Status Bits (Type is String)
          • units: counts (Type is String)
      • alt_write_watchdog[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Tag write watchdog value (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0072-0073 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Tag write watchdog value ; initialization Value (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • atm_rw_start_reg_s[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: Atmospheric Strong Range Window Start Reg (Type is String)
          • units: clock cycles (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0081-0083 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the transmit pulse and the start of the Atmospheric range window for the strong spot. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_dupe_margin[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Duplicate time tag removal (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0066-0067 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Duplicate time tag removal ; initialization Value (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • tx_trailing_cell[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: tx latest trailing edge fine (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0057-0059 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Latest trailing Start Time Tag-acquired trailing start time tag value (paired with trailing start time time tag value) cell counts (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • atm_rw_width_reg_w[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Atmospheric Weak Range Window Width Reg (Type is String)
          • units: clock cycles (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0094-0095 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the Atmospheric range window start and range window stop for the weak spot. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_mframe_freq[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Major frame frequency (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0074 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The number of shots per major frame. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_debug_status[ 0..21149] [ 0..2] (Type is Byte)
        • attributes
          • long_name: Debug Status Bits (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0112-0114 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Debug Status Bits. Defined in ATLAS MEB PCE DFC FPGA Specification, ICESat-2-MEB-SPEC-0875, section 5.12. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_config[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Configuration (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0075 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Configuration bits (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • tx_trailing_coarse[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is Int16)
        • attributes
          • long_name: tx latest trailing edge coarse (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0057-0059 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Latest trailing Start Time Tag-acquired trailing start time tag value (paired with trailing start time time tag value) coarse time in counts (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_sci_addr[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Logical address for science data transmit (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0065 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Logical address for science data transmit ; initialization Value (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_wait_watchdog[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Tag wait watchdog value (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0071 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Tag wait watchdog value ; initialization Value (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • tx_leading_cell[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: tx latest leading edge fine (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0054-0056 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Latest Leading Start Time Tag-acquired leading start time tag value (paired with trailing start time time tag value) cell counts (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • atm_rw_start_reg_w[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: Atmospheric Weak Range Window Start Reg (Type is String)
          • units: clock cycles (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0091-0093 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the transmit pulse and the start of the Atmospheric range window for the weak spot. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • atm_rw_width_reg_s[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Atmospheric Strong Range Window Width Reg (Type is String)
          • units: clock cycles (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0084-0085 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the Atmospheric range window start and range window stop for the strong spot. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via Time Tagging (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • alt_debug_reg[ 0..21149] [ 0..3] (Type is Byte)
        • attributes
          • long_name: Debug Control Register (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0096-0099 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Debug Control Register (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_cal_interval[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Calibration request interval from TDC (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0068 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Calibration request interval from TDC (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_edac_status[ 0..21149] [ 0..3] (Type is Byte)
        • attributes
          • long_name: EDAC Status Bits (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 102-105 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: EDAC Status Bits. Defined in ATLAS MEB PCE DFC FPGA Specification, ICESat-2-MEB-SPEC-0875, section 5.12 (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_cal_rise[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • units: counts (Type is String)
          • long_name: Altimetric Latest Calibration Rising (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0050-0051 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The PCE latest calibration value for the rising edge (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • pce_mframe_cnt[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: PCE Major frame counter (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0030-0033 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_imet_at_first_t0[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is Int64)
        • attributes
          • long_name: IMET at first T0 after 1 pps (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0022-0027 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight s/w 25 MHz IMET counter value when 1PPS is received (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_last_opcode[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Last Opcode Received (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0064 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Indicates the last good opcode received prior to the Major Frame Packet being transmitted; 0xFF indicates an error condition of either protocol ID mismatch, invalid opcode, or invalid length (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_rw_width_reg_w[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Altimetric Weak Range Window Width Reg (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0089-0090 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the range window start and range window stop for the weak spot. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_1pps_count[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: MET 1pps counter (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0012-0015 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight s/w 1PPS counter (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_dfc_status[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: DFC Status Bits (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0111 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: DFC Status Bits. Defined in ATLAS MEB PCE DFC FPGA Specification, ICESat-2-MEB-SPEC-0875, section 5.12 (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_cal_fall[ /atlas/pce2/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Altimetric Latest Calibration Falling (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0052-0053 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The PCE latest calibration value for the falling edge. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
    • algorithm_science(Type is Group)
      • attributes
        • Description: The PCE PMF Algorithm Science data group. Contains outputs from the onboard receiver algorithm software. (Type is String)
        • data_rate: Data within this group are stored at the data rate of the source PCE Altimetric Data Packets. (nominally fifty per second.) (Type is String)
      Dimensions: [ /atlas/pce2/algorithm_science/delta_time = 0..21149 ] [ /atlas/pce2/algorithm_science/ds_4bytes = 0..3 ] [ /atlas/pce2/algorithm_science/ds_2samples = 0..1 ]
      • useflag[ /atlas/pce2/algorithm_science/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Science Mode Flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_alt_sci/ (Type is String)
          • valid_min: 0 (Type is Byte)
          • valid_max: 15 (Type is Byte)
          • contentType: referenceInformation (Type is String)
          • description: Science Mode Flag. Used by ATL03 to discard non-science mode data. 0=stby, 1=science_mode, 2=test, 3=manual, 4=radio, 5=unknown, > 10=amcs_not_normal (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: stby science test manual radio unknown unused unused unused unused stby_alt_amcs science_alt_amcs test_alt_amcs manual_alt_amcs radio_alt_amcs unknown_alt_amcs (Type is String)
          • flag_values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 (Type is Byte)
      • ds_4bytes[ /atlas/pce2/algorithm_science/ds_4bytes= 0..3] (Type is Int8)
        • attributes
          • long_name: DS for 4 bytes (Type is String)
          • units: 1 (Type is String)
          • source: Dimension Scale (Type is String)
          • valid_min: 1 (Type is Int8)
          • valid_max: 4 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: Dimension scale for an array of 4 bytes. (Type is String)
      • alt_band_channel_mask[ /atlas/pce2/algorithm_science/delta_time= 0..21149] [ /atlas/pce2/algorithm_science/ds_4bytes= 0..3] (Type is UInt32)
        • attributes
          • long_name: Band Channel Mask (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight software Band Channel Mask. (Bands 1-4) (Type is String)
          • coordinates: delta_time (Type is String)
      • gps_time[ /atlas/pce2/algorithm_science/delta_time= 0..21149] (Type is Float64)
        • attributes
          • long_name: GPS seconds at the Major Frame (Type is String)
          • units: seconds (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: GPS seconds at the Major Frame (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_band_mask[ /atlas/pce2/algorithm_science/delta_time= 0..21149] [ /atlas/pce2/algorithm_science/ds_4bytes= 0..3] (Type is Byte)
        • attributes
          • long_name: Band Mask (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight software Band Mask. Each byte corresponds to a single Band, in the order of 1-4. (Type is String)
          • coordinates: delta_time (Type is String)
      • amet_time[ /atlas/pce2/algorithm_science/delta_time= 0..21149] (Type is Float64)
        • attributes
          • long_name: AMET seconds at the Major Frame (Type is String)
          • units: seconds (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: AMET seconds at the Major Frame (Type is String)
          • coordinates: delta_time (Type is String)
      • ds_2samples[ /atlas/pce2/algorithm_science/ds_2samples= 0..1] (Type is Int8)
        • attributes
          • long_name: DS for 2 bytes (Type is String)
          • units: 1 (Type is String)
          • source: Dimension Scale (Type is String)
          • valid_min: 1 (Type is Int8)
          • valid_max: 2 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: Dimension scale for an array of 2 samples. (Type is String)
      • delta_time[ /atlas/pce2/algorithm_science/delta_time= 0..21149] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The time of the first TX pulse in the major frame, relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • pce_mframe_cnt[ /atlas/pce2/algorithm_science/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: PCE Major frame counter (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_nbands[ /atlas/pce2/algorithm_science/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Number of bands (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight software Number of bands. (Type is String)
          • coordinates: delta_time (Type is String)
      • weak(Type is Group)
        • attributes
          • Description: The PCE PMF Algorithm Science data group. Contains outputs from the onboard receiver algorithm software. (Type is String)
          • data_rate: Data within this group are stored at the data rate of the source PCE Altimetric Data Packets. (nominally fifty per second.) (Type is String)
        • alt_error_flags[ /atlas/pce2/algorithm_science/delta_time= 0..21149] [ /atlas/pce2/algorithm_science/ds_2samples= 0..1] (Type is Byte)
          • attributes
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: FSW error flags (Type is String)
            • coordinates: ../delta_time (Type is String)
            • long_name: Error Flags (Type is String)
            • units: counts (Type is String)
        • daynight_flag[ /atlas/pce2/algorithm_science/delta_time= 0..21149] (Type is Byte)
          • attributes
            • long_name: Day/Night flag (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • valid_min: 0 (Type is Byte)
            • valid_max: 1 (Type is Byte)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight software Day/Night Flag associated with the major frame. 0= day, 1 =night. Based on an algorithm determination of the background rate, not on the actual position of the sun. (Type is String)
            • coordinates: ../delta_time (Type is String)
            • flag_meanings: day night (Type is String)
            • flag_values: 0, 1 (Type is Byte)
        • decisionflags[ /atlas/pce2/algorithm_science/delta_time= 0..21149] [ /atlas/pce2/algorithm_science/ds_4bytes= 0..3] (Type is Byte)
          • attributes
            • long_name: Decision Flags (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight s/w Decision Flags associated with the major frame. indication if there was an error or if no science data is sent and why (Type is String)
            • coordinates: ../delta_time (Type is String)
        • flywheel[ /atlas/pce2/algorithm_science/delta_time= 0..21149] (Type is Byte)
          • attributes
            • long_name: Flywheel (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight software Flywheel associated with the major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • signalflags[ /atlas/pce2/algorithm_science/delta_time= 0..21149] (Type is Byte)
          • attributes
            • long_name: Signal Found Flags (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight s/w signal event flags associated with the major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
      • strong(Type is Group)
        • attributes
          • Description: The PCE PMF Algorithm Science data group. Contains outputs from the onboard receiver algorithm software. (Type is String)
          • data_rate: Data within this group are stored at the data rate of the source PCE Altimetric Data Packets. (nominally fifty per second.) (Type is String)
        • alt_error_flags[ /atlas/pce2/algorithm_science/delta_time= 0..21149] [ /atlas/pce2/algorithm_science/ds_2samples= 0..1] (Type is Byte)
          • attributes
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: FSW error flags (Type is String)
            • coordinates: ../delta_time (Type is String)
            • long_name: Error Flags (Type is String)
            • units: counts (Type is String)
        • daynight_flag[ /atlas/pce2/algorithm_science/delta_time= 0..21149] (Type is Byte)
          • attributes
            • long_name: Day/Night flag (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • valid_min: 0 (Type is Byte)
            • valid_max: 1 (Type is Byte)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight software Day/Night Flag associated with the major frame. 0= day, 1 =night. Based on an algorithm determination of the background rate, not on the actual position of the sun. (Type is String)
            • coordinates: ../delta_time (Type is String)
            • flag_meanings: day night (Type is String)
            • flag_values: 0, 1 (Type is Byte)
        • decisionflags[ /atlas/pce2/algorithm_science/delta_time= 0..21149] [ /atlas/pce2/algorithm_science/ds_4bytes= 0..3] (Type is Byte)
          • attributes
            • long_name: Decision Flags (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight s/w Decision Flags associated with the major frame. indication if there was an error or if no science data is sent and why (Type is String)
            • coordinates: ../delta_time (Type is String)
        • flywheel[ /atlas/pce2/algorithm_science/delta_time= 0..21149] (Type is Byte)
          • attributes
            • long_name: Flywheel (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight software Flywheel associated with the major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • signalflags[ /atlas/pce2/algorithm_science/delta_time= 0..21149] (Type is Byte)
          • attributes
            • long_name: Signal Found Flags (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight s/w signal event flags associated with the major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
    • altimetry(Type is Group)
      • attributes
        • Description: The PCE Altimetry Science Packet data common to both beams (PCEx_ALT_SCI_TLM_MID in APID 1254, 1264, 1274 sequence flag 01 (once per major frame). (see ICESat-2-MEB-SPEC-0875, section 5.12, Spacewire: Major Frame Packet Data Format (Type is String)
        • data_rate: Data within this group are stored at the data rate of the source PCE Altimetric Data Packets. (nominally fifty per second.) (Type is String)
      Dimensions: [ /atlas/pce2/altimetry/delta_time = 0..21149 ] [ /atlas/pce2/altimetry/ds_weak_channel_index = 0..3 ] [ /atlas/pce2/altimetry/ds_strong_channel_index = 0..15 ] [ /atlas/pce2/altimetry/ds_hist = 0..198 ]
      • cal_rise_sm[ /atlas/pce2/altimetry/delta_time= 0..21149] (Type is Float32)
        • attributes
          • long_name: Altimetric Latest Calibration Rising (Type is String)
          • units: seconds/cell (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The smoothed, calibrated value for the rising edge used to convert cell counts to units of time. time per cell count based on USO for each PCE. (Type is String)
          • coordinates: delta_time (Type is String)
      • useflag[ /atlas/pce2/altimetry/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Science Mode Flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_alt_sci/ (Type is String)
          • valid_min: 0 (Type is Byte)
          • valid_max: 15 (Type is Byte)
          • contentType: referenceInformation (Type is String)
          • description: Science Mode Flag. Used by ATL03 to discard non-science mode data. 0=stby, 1=science_mode, 2=test, 3=manual, 4=radio, 5=unknown, > 10=amcs_not_normal (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: stby science test manual radio unknown unused unused unused unused stby_alt_amcs science_alt_amcs test_alt_amcs manual_alt_amcs radio_alt_amcs unknown_alt_amcs (Type is String)
          • flag_values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 (Type is Byte)
      • n_bands[ /atlas/pce2/altimetry/delta_time= 0..21149] (Type is Int8)
        • attributes
          • long_name: Number Downlink Bands (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_alt_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Number of bands (in addition to the nominal 1 band) selected for downlink. (Type is String)
          • coordinates: delta_time (Type is String)
      • ch_mask_w[ /atlas/pce2/altimetry/delta_time= 0..21149] [ /atlas/pce2/altimetry/ds_weak_channel_index= 0..3] (Type is Int8)
        • attributes
          • long_name: Channel Mask Weak (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_alt_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Channel Mask for DLBOs. The 4 flags are a logical OR of the two band offset masks for weak beam (Type is String)
          • coordinates: delta_time (Type is String)
      • ch_mask_s[ /atlas/pce2/altimetry/delta_time= 0..21149] [ /atlas/pce2/altimetry/ds_strong_channel_index= 0..15] (Type is Int8)
        • attributes
          • long_name: Channel Mask Strong (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_alt_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Channel Mask for DLBOs. The 16 flags are a logical OR of the two band offset masks for strong beam (Type is String)
          • coordinates: delta_time (Type is String)
      • ds_hist[ /atlas/pce2/altimetry/ds_hist= 0..198] (Type is Float32)
        • attributes
          • long_name: Histogram Dimension Scale (Type is String)
          • units: seconds (Type is String)
          • source: ATL02 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Relative bin values of windowed, peak-centered TOF histograms. Peak value = 0 (Type is String)
      • cal_fall_sm[ /atlas/pce2/altimetry/delta_time= 0..21149] (Type is Float32)
        • attributes
          • long_name: Altimetric Latest Calibration Falling (Type is String)
          • units: seconds/cell (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The smoothed, calibrated value for the falling edge used to convert cell counts to units of time. time per cell count based on USO for each PCE. (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/pce2/altimetry/delta_time= 0..21149] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The time of the first TX pulse in the major frame, relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • pce_mframe_cnt[ /atlas/pce2/altimetry/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: PCE Major frame counter (Type is String)
          • units: counts (Type is String)
          • source: ATL02 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID (Type is String)
          • coordinates: delta_time (Type is String)
      • ds_strong_channel_index[ /atlas/pce2/altimetry/ds_strong_channel_index= 0..15] (Type is Int8)
        • attributes
          • long_name: DS for Strong Channels (Type is String)
          • units: 1 (Type is String)
          • source: Dimension Scale (Type is String)
          • valid_min: 1 (Type is Int8)
          • valid_max: 16 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: Dimension scale for strong channels. (Type is String)
      • ds_weak_channel_index[ /atlas/pce2/altimetry/ds_weak_channel_index= 0..3] (Type is Int8)
        • attributes
          • long_name: DS for Weak Channels (Type is String)
          • units: 1 (Type is String)
          • source: Dimension Scale (Type is String)
          • valid_min: 1 (Type is Int8)
          • valid_max: 4 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: Dimension scale for weak channels. (Type is String)
      • weak(Type is Group)
        • attributes
          • Description: The PCE Altimetry Science Packet specific to a beam (PCEx_ALT_SCI_TLM_MID in APID 1254, 1264, 1274 sequence flag 01 (once per major frame). (see ICESat-2-MEB-SPEC-0875, section 5.12, Spacewire: Major Frame Packet Data Format (Type is String)
          • data_rate: Data within this group are stored at the data rate of the source PCE Altimetric Data Packets. (nominally fifty per second.) (Type is String)
        • band2_width[ /atlas/pce2/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band2 Width (Type is String)
            • units: seconds (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Width of downlink band2. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • band1_offset[ /atlas/pce2/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band1 Offset (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Downlink band offset (DLBO) for band1. (Type is String)
            • coordinates: ../delta_time (Type is String)
            • units: seconds (Type is String)
        • band1_width[ /atlas/pce2/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band1 Width (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Width of downlink band1. (Type is String)
            • coordinates: ../delta_time (Type is String)
            • units: seconds (Type is String)
        • alt_rw_width[ /atlas/pce2/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Altimetric Range Window Width (Type is String)
            • units: seconds (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science and L1B ATBD conversion (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: The number of seconds from the range window start and range window stop (Type is String)
            • coordinates: ../delta_time (Type is String)
        • hist[ /atlas/pce2/altimetry/delta_time= 0..21149] [ /atlas/pce2/altimetry/ds_hist= 0..198] (Type is Int32)
          • attributes
            • long_name: Center-aligned TOF Histogram (Type is String)
            • units: counts (Type is String)
            • source: ATL02 (Type is String)
            • contentType: qualityInformation (Type is String)
            • description: Per-major frame, peak-aligned, windowed time-of-flight histograms. (Type is String)
            • coordinates: ../ds_hist ../delta_time (Type is String)
        • alt_rw_start[ /atlas/pce2/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Altimetric Range Window Start (Type is String)
            • units: seconds (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science and L1B ATBD conversion (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: The number of seconds between the transmit pulse and the start of the altimetric range window for the beam (Type is String)
            • coordinates: ../delta_time (Type is String)
        • band2_offset[ /atlas/pce2/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band2 Offset (Type is String)
            • units: seconds (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Downlink band offset (DLBO) for band2. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • n_mf_ph[ /atlas/pce2/altimetry/delta_time= 0..21149] (Type is Int32)
          • attributes
            • long_name: Number of photons (Type is String)
            • units: counts (Type is String)
            • source: Derived (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Number of photons within each major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • ph_ndx_beg[ /atlas/pce2/altimetry/delta_time= 0..21149] (Type is Int64)
          • attributes
            • long_name: Photon Index Begin (Type is String)
            • units: counts (Type is String)
            • source: Derived (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Index (1-based) within the photon-rate data of the first photon within each major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • photons(Type is Group)
          • attributes
            • Description: Group contains the PCE Altimetric received photon event (ph) decommutated data and its matching Transmit time tag data. Note the Transmit time tag data are repeated for each received photon event. Data is from Altimetry Science Packet (alt_sci_tlm) APID 1254, 1264, 1274 with Sequence Flag = 0 or 2. See ICESat-2-MEB-SPEC-0875, section 5.12, SPACEWIRE: TIME TAG SCIENCE DATA FORMAT (Type is String)
            • data_rate: Data within this group are stored at the data rate of the source photon events. (varies by detection; nominal value is sixty thousand per second, derived from laser_rate * photons_per_shot * beams_per_pce; where laser_rate=10000, photons_per_shot=3, beams_per_pce=2.) (Type is String)
          Dimensions: [ /atlas/pce2/altimetry/weak/photons/delta_time = 0..7686009 ]
          • tof_flag[ /atlas/pce2/altimetry/weak/photons/delta_time= 0..7686009] (Type is Int8)
            • attributes
              • long_name: TOF Flag (Type is String)
              • units: counts (Type is String)
              • source: L1B ATBD Sect 2.5.4 (Type is String)
              • valid_min: 1 (Type is Int8)
              • valid_max: 18 (Type is Int8)
              • contentType: referenceInformation (Type is String)
              • description: Time Of Flight center correction flag. Values indicate what components were used to adjust the TOF to the centroid of the Tx pulse, based on the alignment of Tx components across all 3 PCEs. 1=LL_LU_TU_TL; 2=LL_TU_TL; 3=LL_LU_TL; 4=LL_LU_TU; 5=LL_TL; 6=LL_TU; 7=LL_LU; 8=LL. Values greater than 10 indicate the same sequence of conditions indicated for a potential TEP photon. (Type is String)
              • coordinates: delta_time (Type is String)
              • flag_meanings: LL_LU_TU_TL LL_TU_TL LL_LU_TL LL_LU_TU LL_TL LL_TU LL_LU LL TEP_LL_LU_TU_TL TEP_LL_TU_TL TEP_LL_LU_TL TEP_LL_LU_TU TEP_LL_TL TEP_LL_TU TEP_LL_LU TEP_LL (Type is String)
              • flag_values: 1, 2, 3, 4, 5, 6, 7, 8, 11, 12, 13, 14, 15, 16, 17, 18 (Type is Int8)
          • ph_id_count[ /atlas/pce2/altimetry/weak/photons/delta_time= 0..7686009] (Type is Byte)
            • attributes
              • long_name: photon event counter (Type is String)
              • units: counts (Type is String)
              • source: Derived as part of Photon ID (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: photon event counter is part of photon ID and will count from 1 for each channel until reset by laser pulse counter. If ph_id_count is 0, then there was a transmit pulse without any received photons. In this case, the transmit portion of the alt_science packet is valid, but the receive portion is all 0s and should not be used. (Type is String)
              • coordinates: delta_time (Type is String)
          • ph_tof[ /atlas/pce2/altimetry/weak/photons/delta_time= 0..7686009] (Type is Float64)
            • attributes
              • long_name: Time of Flight (Type is String)
              • source: ATL02 ATBD (Type is String)
              • contentType: physicalMeasurement (Type is String)
              • description: Time of flight (TOF); the round trip time in seconds of the received photon relative to the beam's zero range point (ZRP). Computed from the Transmit (Tx) and Receive (Rx) Time-of-flight components and then calibrated to the centroid of the transmit pulse. (Type is String)
              • coordinates: delta_time (Type is String)
              • units: seconds (Type is String)
          • tx_other_tof[ /atlas/pce2/altimetry/weak/photons/delta_time= 0..7686009] (Type is Float32)
            • attributes
              • long_name: Other Transmit Time from LL (Type is String)
              • units: seconds (Type is String)
              • source: ATL01/atlas/pcex/a_alt_science_ph TX data L1B ATBD section tof (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: Time of flight from the PCE-specific leading-lower (LL) threshold (tx_ll_tof) to the detected other transmit pulse edge. For PCE1, this is the time from the PCE1 LL to the Transmit Leading Upper edge (LU) threshold; for PCE2, this is the time from the PCE2 LL to the Transmit Trailing Upper edge (TU) threshold; and for PCE3, this is the time from the PCE3 LL to the Transmit Trailing Lower edge (TL) threshold. (Type is String)
              • coordinates: delta_time (Type is String)
          • ph_id_pulse[ /atlas/pce2/altimetry/weak/photons/delta_time= 0..7686009] (Type is Byte)
            • attributes
              • long_name: laser pulse counter (Type is String)
              • units: counts (Type is String)
              • source: Derived as part of Photon ID (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: laser pulse counter is part of photon ID and will count from 1 to 200 and reset for each new major frame (major_fram_id). If the corresponding ph_id_count is 0, then there was a transmit pulse without any received photons. (Type is String)
              • coordinates: delta_time (Type is String)
          • rx_band_id[ /atlas/pce2/altimetry/weak/photons/delta_time= 0..7686009] (Type is Int8)
            • attributes
              • long_name: rx downlink band id (Type is String)
              • units: counts (Type is String)
              • source: ATL01/atlas/pcex/a_alt_science_ph RX data (Type is String)
              • valid_min: 0 (Type is Int8)
              • valid_max: 1 (Type is Int8)
              • contentType: referenceInformation (Type is String)
              • description: Flag to indicate downlink band id associated with the received rx_tof (received photon event). A value of 0 indicates the photon corresponds to band1; A value of 1 indicates the photon corresponds to band2. Corresponding parameters are band_width, band_offset and band_eventcount. (Type is String)
              • coordinates: delta_time (Type is String)
              • flag_meanings: band1 band2 (Type is String)
              • flag_values: 0, 1 (Type is Int8)
          • ph_id_channel[ /atlas/pce2/altimetry/weak/photons/delta_time= 0..7686009] (Type is Byte)
            • attributes
              • long_name: Receive channel id (Type is String)
              • units: 1 (Type is String)
              • source: Derived as part of Photon ID (Type is String)
              • valid_min: 1 (Type is Byte)
              • valid_max: 120 (Type is Byte)
              • contentType: referenceInformation (Type is String)
              • description: Channel number assigned for each received photon event. This is part of the photon ID. Values range from 1 to 120 to span all channels and rise/fall edges. Values 1 to 60 are for falling edge; PCE1 (1 to 20), PCE 2 (21 to 40) and PCE3 (41 to 60). Values 61 to 120 are for rising edge; PCE1 (61 to 80), PCE 2 (81 to 100) and PC3 (101 to 120). (Type is String)
              • coordinates: delta_time (Type is String)
          • tx_ll_tof[ /atlas/pce2/altimetry/weak/photons/delta_time= 0..7686009] (Type is Float32)
            • attributes
              • long_name: Transmit LL time from T0 (Type is String)
              • units: seconds (Type is String)
              • source: ATL01/atlas/pcex/a_alt_science_ph TX data L1B ATBD section tof (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: Transmit (Tx) Leading Lower (LL) time of flight (TOF); the round trip time in seconds from the detected lower leading edge of the transmit pulse relative to the ATLAS T0. Includes all calibrations of coarse and fine counts. (Type is String)
              • coordinates: delta_time (Type is String)
          • delta_time[ /atlas/pce2/altimetry/weak/photons/delta_time= 0..7686009] (Type is Float64)
            • attributes
              • long_name: Elapsed GPS seconds (Type is String)
              • standard_name: time (Type is String)
              • units: seconds since 2018-01-01 (Type is String)
              • source: Derived via L1B ATBD (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: The Time of Day for the specific Transmit (TX) pulse associated with the Received (RX) event. (see L1B ATBD section 5 time of flight), relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
          • pce_mframe_cnt[ /atlas/pce2/altimetry/weak/photons/delta_time= 0..7686009] (Type is UInt32)
            • attributes
              • long_name: PCE Major frame counter (Type is String)
              • units: counts (Type is String)
              • source: Retained from latest a_alt_science packet (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID (Type is String)
              • coordinates: delta_time (Type is String)
      • strong(Type is Group)
        • attributes
          • Description: The PCE Altimetry Science Packet specific to a beam (PCEx_ALT_SCI_TLM_MID in APID 1254, 1264, 1274 sequence flag 01 (once per major frame). (see ICESat-2-MEB-SPEC-0875, section 5.12, Spacewire: Major Frame Packet Data Format (Type is String)
          • data_rate: Data within this group are stored at the data rate of the source PCE Altimetric Data Packets. (nominally fifty per second.) (Type is String)
        • band2_width[ /atlas/pce2/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band2 Width (Type is String)
            • units: seconds (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Width of downlink band2. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • band1_offset[ /atlas/pce2/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band1 Offset (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Downlink band offset (DLBO) for band1. (Type is String)
            • coordinates: ../delta_time (Type is String)
            • units: seconds (Type is String)
        • band1_width[ /atlas/pce2/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band1 Width (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Width of downlink band1. (Type is String)
            • coordinates: ../delta_time (Type is String)
            • units: seconds (Type is String)
        • alt_rw_width[ /atlas/pce2/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Altimetric Range Window Width (Type is String)
            • units: seconds (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science and L1B ATBD conversion (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: The number of seconds from the range window start and range window stop (Type is String)
            • coordinates: ../delta_time (Type is String)
        • hist[ /atlas/pce2/altimetry/delta_time= 0..21149] [ /atlas/pce2/altimetry/ds_hist= 0..198] (Type is Int32)
          • attributes
            • long_name: Center-aligned TOF Histogram (Type is String)
            • units: counts (Type is String)
            • source: ATL02 (Type is String)
            • contentType: qualityInformation (Type is String)
            • description: Per-major frame, peak-aligned, windowed time-of-flight histograms. (Type is String)
            • coordinates: ../ds_hist ../delta_time (Type is String)
        • alt_rw_start[ /atlas/pce2/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Altimetric Range Window Start (Type is String)
            • units: seconds (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science and L1B ATBD conversion (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: The number of seconds between the transmit pulse and the start of the altimetric range window for the beam (Type is String)
            • coordinates: ../delta_time (Type is String)
        • band2_offset[ /atlas/pce2/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band2 Offset (Type is String)
            • units: seconds (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Downlink band offset (DLBO) for band2. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • n_mf_ph[ /atlas/pce2/altimetry/delta_time= 0..21149] (Type is Int32)
          • attributes
            • long_name: Number of photons (Type is String)
            • units: counts (Type is String)
            • source: Derived (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Number of photons within each major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • ph_ndx_beg[ /atlas/pce2/altimetry/delta_time= 0..21149] (Type is Int64)
          • attributes
            • long_name: Photon Index Begin (Type is String)
            • units: counts (Type is String)
            • source: Derived (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Index (1-based) within the photon-rate data of the first photon within each major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • photons(Type is Group)
          • attributes
            • Description: Group contains the PCE Altimetric received photon event (ph) decommutated data and its matching Transmit time tag data. Note the Transmit time tag data are repeated for each received photon event. Data is from Altimetry Science Packet (alt_sci_tlm) APID 1254, 1264, 1274 with Sequence Flag = 0 or 2. See ICESat-2-MEB-SPEC-0875, section 5.12, SPACEWIRE: TIME TAG SCIENCE DATA FORMAT (Type is String)
            • data_rate: Data within this group are stored at the data rate of the source photon events. (varies by detection; nominal value is sixty thousand per second, derived from laser_rate * photons_per_shot * beams_per_pce; where laser_rate=10000, photons_per_shot=3, beams_per_pce=2.) (Type is String)
          Dimensions: [ /atlas/pce2/altimetry/strong/photons/delta_time = 0..9380393 ]
          • tof_flag[ /atlas/pce2/altimetry/strong/photons/delta_time= 0..9380393] (Type is Int8)
            • attributes
              • long_name: TOF Flag (Type is String)
              • units: counts (Type is String)
              • source: L1B ATBD Sect 2.5.4 (Type is String)
              • valid_min: 1 (Type is Int8)
              • valid_max: 18 (Type is Int8)
              • contentType: referenceInformation (Type is String)
              • description: Time Of Flight center correction flag. Values indicate what components were used to adjust the TOF to the centroid of the Tx pulse, based on the alignment of Tx components across all 3 PCEs. 1=LL_LU_TU_TL; 2=LL_TU_TL; 3=LL_LU_TL; 4=LL_LU_TU; 5=LL_TL; 6=LL_TU; 7=LL_LU; 8=LL. Values greater than 10 indicate the same sequence of conditions indicated for a potential TEP photon. (Type is String)
              • coordinates: delta_time (Type is String)
              • flag_meanings: LL_LU_TU_TL LL_TU_TL LL_LU_TL LL_LU_TU LL_TL LL_TU LL_LU LL TEP_LL_LU_TU_TL TEP_LL_TU_TL TEP_LL_LU_TL TEP_LL_LU_TU TEP_LL_TL TEP_LL_TU TEP_LL_LU TEP_LL (Type is String)
              • flag_values: 1, 2, 3, 4, 5, 6, 7, 8, 11, 12, 13, 14, 15, 16, 17, 18 (Type is Int8)
          • ph_id_count[ /atlas/pce2/altimetry/strong/photons/delta_time= 0..9380393] (Type is Byte)
            • attributes
              • long_name: photon event counter (Type is String)
              • units: counts (Type is String)
              • source: Derived as part of Photon ID (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: photon event counter is part of photon ID and will count from 1 for each channel until reset by laser pulse counter. If ph_id_count is 0, then there was a transmit pulse without any received photons. In this case, the transmit portion of the alt_science packet is valid, but the receive portion is all 0s and should not be used. (Type is String)
              • coordinates: delta_time (Type is String)
          • ph_tof[ /atlas/pce2/altimetry/strong/photons/delta_time= 0..9380393] (Type is Float64)
            • attributes
              • long_name: Time of Flight (Type is String)
              • source: ATL02 ATBD (Type is String)
              • contentType: physicalMeasurement (Type is String)
              • description: Time of flight (TOF); the round trip time in seconds of the received photon relative to the beam's zero range point (ZRP). Computed from the Transmit (Tx) and Receive (Rx) Time-of-flight components and then calibrated to the centroid of the transmit pulse. (Type is String)
              • coordinates: delta_time (Type is String)
              • units: seconds (Type is String)
          • tx_other_tof[ /atlas/pce2/altimetry/strong/photons/delta_time= 0..9380393] (Type is Float32)
            • attributes
              • long_name: Other Transmit Time from LL (Type is String)
              • units: seconds (Type is String)
              • source: ATL01/atlas/pcex/a_alt_science_ph TX data L1B ATBD section tof (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: Time of flight from the PCE-specific leading-lower (LL) threshold (tx_ll_tof) to the detected other transmit pulse edge. For PCE1, this is the time from the PCE1 LL to the Transmit Leading Upper edge (LU) threshold; for PCE2, this is the time from the PCE2 LL to the Transmit Trailing Upper edge (TU) threshold; and for PCE3, this is the time from the PCE3 LL to the Transmit Trailing Lower edge (TL) threshold. (Type is String)
              • coordinates: delta_time (Type is String)
          • ph_id_pulse[ /atlas/pce2/altimetry/strong/photons/delta_time= 0..9380393] (Type is Byte)
            • attributes
              • long_name: laser pulse counter (Type is String)
              • units: counts (Type is String)
              • source: Derived as part of Photon ID (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: laser pulse counter is part of photon ID and will count from 1 to 200 and reset for each new major frame (major_fram_id). If the corresponding ph_id_count is 0, then there was a transmit pulse without any received photons. (Type is String)
              • coordinates: delta_time (Type is String)
          • rx_band_id[ /atlas/pce2/altimetry/strong/photons/delta_time= 0..9380393] (Type is Int8)
            • attributes
              • long_name: rx downlink band id (Type is String)
              • units: counts (Type is String)
              • source: ATL01/atlas/pcex/a_alt_science_ph RX data (Type is String)
              • valid_min: 0 (Type is Int8)
              • valid_max: 1 (Type is Int8)
              • contentType: referenceInformation (Type is String)
              • description: Flag to indicate downlink band id associated with the received rx_tof (received photon event). A value of 0 indicates the photon corresponds to band1; A value of 1 indicates the photon corresponds to band2. Corresponding parameters are band_width, band_offset and band_eventcount. (Type is String)
              • coordinates: delta_time (Type is String)
              • flag_meanings: band1 band2 (Type is String)
              • flag_values: 0, 1 (Type is Int8)
          • ph_id_channel[ /atlas/pce2/altimetry/strong/photons/delta_time= 0..9380393] (Type is Byte)
            • attributes
              • long_name: Receive channel id (Type is String)
              • units: 1 (Type is String)
              • source: Derived as part of Photon ID (Type is String)
              • valid_min: 1 (Type is Byte)
              • valid_max: 120 (Type is Byte)
              • contentType: referenceInformation (Type is String)
              • description: Channel number assigned for each received photon event. This is part of the photon ID. Values range from 1 to 120 to span all channels and rise/fall edges. Values 1 to 60 are for falling edge; PCE1 (1 to 20), PCE 2 (21 to 40) and PCE3 (41 to 60). Values 61 to 120 are for rising edge; PCE1 (61 to 80), PCE 2 (81 to 100) and PC3 (101 to 120). (Type is String)
              • coordinates: delta_time (Type is String)
          • tx_ll_tof[ /atlas/pce2/altimetry/strong/photons/delta_time= 0..9380393] (Type is Float32)
            • attributes
              • long_name: Transmit LL time from T0 (Type is String)
              • units: seconds (Type is String)
              • source: ATL01/atlas/pcex/a_alt_science_ph TX data L1B ATBD section tof (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: Transmit (Tx) Leading Lower (LL) time of flight (TOF); the round trip time in seconds from the detected lower leading edge of the transmit pulse relative to the ATLAS T0. Includes all calibrations of coarse and fine counts. (Type is String)
              • coordinates: delta_time (Type is String)
          • delta_time[ /atlas/pce2/altimetry/strong/photons/delta_time= 0..9380393] (Type is Float64)
            • attributes
              • long_name: Elapsed GPS seconds (Type is String)
              • standard_name: time (Type is String)
              • units: seconds since 2018-01-01 (Type is String)
              • source: Derived via L1B ATBD (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: The Time of Day for the specific Transmit (TX) pulse associated with the Received (RX) event. (see L1B ATBD section 5 time of flight), relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
          • pce_mframe_cnt[ /atlas/pce2/altimetry/strong/photons/delta_time= 0..9380393] (Type is UInt32)
            • attributes
              • long_name: PCE Major frame counter (Type is String)
              • units: counts (Type is String)
              • source: Retained from latest a_alt_science packet (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID (Type is String)
              • coordinates: delta_time (Type is String)
    • atmosphere_s(Type is Group)
      • attributes
        • Description: Contains parameters relating to the PCE Atmospheric Data Histograms. Normally 25 hz. (APID 1255, 1259, 1265, 1269, 1275, 1279). P1 S,P1 W, P2 S, P2 W, P3 S, P3 W. (Type is String)
        • data_rate: Data in this group is stored at a 25hz (25 per second) rate. (Type is String)
      Dimensions: [ /atlas/pce2/atmosphere_s/delta_time = 0..10574 ] [ /atlas/pce2/atmosphere_s/ds_hist_bin_index = 0..466 ]
      • atm_rw_start[ /atlas/pce2/atmosphere_s/delta_time= 0..10574] (Type is Float32)
        • attributes
          • long_name: Atmospheric Range Window Start (Type is String)
          • units: seconds (Type is String)
          • source: ATL01/atlas/pcex/a_atm_hist_x and L1B ATBD section ATM (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The number of seconds between the transmit pulse and the start of the Atmospheric range window (Type is String)
          • coordinates: delta_time (Type is String)
      • atm_rw_width[ /atlas/pce2/atmosphere_s/delta_time= 0..10574] (Type is Float32)
        • attributes
          • long_name: Atmospheric Range Window Width (Type is String)
          • units: seconds (Type is String)
          • source: ATL01/atlas/pcex/a_atm_hist_x and L1B ATBD section ATM (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The number of seconds from the Atmospheric range window start and range window stop. (Type is String)
          • coordinates: delta_time (Type is String)
      • atm_shift_amount[ /atlas/pce2/atmosphere_s/delta_time= 0..10574] (Type is Int16)
        • attributes
          • units: counts (Type is String)
          • long_name: Atmospheric Range Window Shift (Type is String)
          • source: ATL01/atlas/pcex/a_atm_hist_x and L1B ATBD section ATM (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The number of bins the range window start of one of the histograms was shifted to align them before they are added together. (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/pce2/atmosphere_s/delta_time= 0..10574] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The time of the first TX pulse in major frame, relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • ds_hist_bin_index[ /atlas/pce2/atmosphere_s/ds_hist_bin_index= 0..466] (Type is Int16)
        • attributes
          • long_name: DS for ATM histogram bins (Type is String)
          • units: 1 (Type is String)
          • source: Dimension Scale (Type is String)
          • valid_min: 1 (Type is Int16)
          • valid_max: 467 (Type is Int16)
          • contentType: referenceInformation (Type is String)
          • description: Dimension scale for atmosphere histogram bins. (Type is String)
      • pce_mframe_cnt[ /atlas/pce2/atmosphere_s/delta_time= 0..10574] (Type is UInt32)
        • attributes
          • long_name: PCE Major frame counter (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_atm_hist_x (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Major Frame Counter - The major frame counter is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID (Type is String)
          • coordinates: delta_time (Type is String)
      • atm_bins[ /atlas/pce2/atmosphere_s/delta_time= 0..10574] [ /atlas/pce2/atmosphere_s/ds_hist_bin_index= 0..466] (Type is UInt16)
        • attributes
          • long_name: Atmospheric Science Histogram (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_atm_hist_x (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The histogram bins for the Atmospheric beam.Once every 400 shots ( laser pulses). Bin 1 (clouds) is nearest to spacecraft .Bin 467 is under ground. (Type is String)
          • coordinates: delta_time (Type is String)
      • useflag[ /atlas/pce2/atmosphere_s/delta_time= 0..10574] (Type is Byte)
        • attributes
          • long_name: Science Mode Flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_alt_sci/ (Type is String)
          • valid_min: 0 (Type is Byte)
          • valid_max: 15 (Type is Byte)
          • contentType: referenceInformation (Type is String)
          • description: Science Mode Flag. Used by ATL03 to discard non-science mode data. 0=stby, 1=science_mode, 2=test, 3=manual, 4=radio, 5=unknown, > 10=amcs_not_normal (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: stby science test manual radio unknown unused unused unused unused stby_alt_amcs science_alt_amcs test_alt_amcs manual_alt_amcs radio_alt_amcs unknown_alt_amcs (Type is String)
          • flag_values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 (Type is Byte)
    • pmf_hk(Type is Group)
      • attributes
        • Description: PCE Diagnostic Telemetry Packet from one of the following APIDs : 1073, 1089, 1105 (each APID is associated with a specific PCE). Packet Frequency is 1 Hertz. (Type is String)
      Dimensions: [ /atlas/pce2/pmf_hk/delta_time = 0..422 ]
      • activeknobstable[ /atlas/pce2/pmf_hk/delta_time= 0..422] (Type is Byte)
        • attributes
          • long_name: ActiveKnobsTable (Type is String)
          • units: counts (Type is String)
          • source: APID 1073, 1089, 1105 Byte 0037-0037 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The active knobs table. (Type is String)
          • coordinates: delta_time (Type is String)
      • autorestartdfccount[ /atlas/pce2/pmf_hk/delta_time= 0..422] (Type is UInt16)
        • attributes
          • long_name: AutoRestartDFCCount (Type is String)
          • units: counts (Type is String)
          • source: APID 1073, 1089, 1105 Byte 0090-0091 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Number of DFC Auto Restarts (Type is String)
          • coordinates: delta_time (Type is String)
      • cmd_err_cntr[ /atlas/pce2/pmf_hk/delta_time= 0..422] (Type is Byte)
        • attributes
          • long_name: cmd_err_cntr (Type is String)
          • units: counts (Type is String)
          • source: APID 1073, 1089, 1105 Byte 0012-0012 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Command error counter (Type is String)
          • coordinates: delta_time (Type is String)
      • cmd_suc_cntr[ /atlas/pce2/pmf_hk/delta_time= 0..422] (Type is Byte)
        • attributes
          • long_name: cmd_suc_cntr (Type is String)
          • units: counts (Type is String)
          • source: APID 1073, 1089, 1105 Byte 0013-0013 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Command success counter. (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/pce2/pmf_hk/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via Time Tagging (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • mode[ /atlas/pce2/pmf_hk/delta_time= 0..422] (Type is Byte)
        • attributes
          • long_name: Mode (Type is String)
          • units: counts (Type is String)
          • source: APID 1073, 1089, 1105 Byte 0036-0036 (Type is String)
          • valid_min: 0 (Type is Byte)
          • valid_max: 5 (Type is Byte)
          • contentType: referenceInformation (Type is String)
          • description: PCE Mode. 0=STBY; 1=Science; 2=Test; 3=Manual; 4=Radio; 5=Unknown (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: STBY Science Test Manual Radio Test (Type is String)
          • flag_values: 0, 1, 2, 3, 4, 5 (Type is Byte)
    • sxp_ssr_w(Type is Group)
      • attributes
        • Description: SBC Extrapolation Task telemetry containing Flight Science Receiver Algorithm team requested telemetry for the first set of PCE extrapolation data for a major frame.: lat, long, range, nadir angle, etc. (from APIDs 1152 thru 1157) (Type is String)
      Dimensions: [ /atlas/pce2/sxp_ssr_w/delta_time = 0..422 ] [ /atlas/pce2/sxp_ssr_w/ds_50samples = 0..49 ]
      • delta_time[ /atlas/pce2/sxp_ssr_w/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The time of the first TX pulse in the major frame, relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • ds_50samples[ /atlas/pce2/sxp_ssr_w/ds_50samples= 0..49] (Type is Int8)
        • attributes
          • long_name: DS for 50 bytes (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • valid_min: 1 (Type is Int8)
          • valid_max: 50 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: Dimension scale for an array of 50 samples. (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • latitude[ /atlas/pce2/sxp_ssr_w/delta_time= 0..422] [ /atlas/pce2/sxp_ssr_w/ds_50samples= 0..49] (Type is Float64)
        • attributes
          • long_name: latitude (Type is String)
          • units: degrees (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Latitude (Type is String)
          • coordinates: delta_time (Type is String)
      • longitude[ /atlas/pce2/sxp_ssr_w/delta_time= 0..422] [ /atlas/pce2/sxp_ssr_w/ds_50samples= 0..49] (Type is Float64)
        • attributes
          • long_name: longitude (Type is String)
          • units: degrees (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Longitude (Type is String)
          • coordinates: delta_time (Type is String)
      • mf_cosz[ /atlas/pce2/sxp_ssr_w/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: First Major Frame cosZ (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Cosine of the solar zenith angle (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • pce_mframe_cnt[ /atlas/pce2/sxp_ssr_w/delta_time= 0..422] (Type is UInt32)
        • attributes
          • long_name: PCE Major frame counter (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • cosb[ /atlas/pce2/sxp_ssr_w/delta_time= 0..422] [ /atlas/pce2/sxp_ssr_w/ds_50samples= 0..49] (Type is Float64)
        • attributes
          • long_name: cosB (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Cosine of the off-nadir angle as calculated onboard from the spacecraft information (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • srm[ /atlas/pce2/sxp_ssr_w/delta_time= 0..422] [ /atlas/pce2/sxp_ssr_w/ds_50samples= 0..49] (Type is Byte)
        • attributes
          • long_name: srm (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Surface type, vegetation and coastline information from the SRM. (bit 0-1 = surface type (0=ocean, 1=land, 2=sea ice, 3=land ice). Bit 2 = vegetation present, Bit 3 = coastline present) (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
    • background(Type is Group)
      • attributes
        • Description: The background data is specific to each beam and reported at a 50-shot rate. (Type is String)
        • data_rate: Data within this group are stored at the data rate of the source PCE Altimetric Data Packets. (nominally fifty per second.) (Type is String)
      Dimensions: [ /atlas/pce2/background/delta_time = 0..84599 ]
      • bg_cnt_50shot_s[ /atlas/pce2/background/delta_time= 0..84599] (Type is UInt16)
        • attributes
          • units: counts (Type is String)
          • long_name: Strong background counts (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight s/w indicates for the beam the # of counted time tags (BackgroundCounts_50Shot) during the range windows associated with a set of 50 laser pulses of the major frame. (Type is String)
          • coordinates: delta_time (Type is String)
      • bg_cnt_50shot_w[ /atlas/pce2/background/delta_time= 0..84599] (Type is UInt16)
        • attributes
          • long_name: Weak background counts (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight s/w indicates for the beam the # of counted time tags (BackgroundCounts_50Shot) during the range windows associated with a set of 50 laser pulses of the major frame. (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/pce2/background/delta_time= 0..84599] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The time of the first TX pulse in the 50 laser pulses used for background, in seconds relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
          • coordinates: delta_time (Type is String)
      • pce_mframe_cnt[ /atlas/pce2/background/delta_time= 0..84599] (Type is UInt32)
        • attributes
          • long_name: PCE Major frame counter (Type is String)
          • units: counts (Type is String)
          • source: Derived (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID (Type is String)
          • coordinates: delta_time (Type is String)
      • useflag[ /atlas/pce2/background/delta_time= 0..84599] (Type is Byte)
        • attributes
          • long_name: Science Mode Flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_alt_sci/ (Type is String)
          • valid_min: 0 (Type is Byte)
          • valid_max: 15 (Type is Byte)
          • contentType: referenceInformation (Type is String)
          • description: Science Mode Flag. Used by ATL03 to discard non-science mode data. 0=stby, 1=science_mode, 2=test, 3=manual, 4=radio, 5=unknown, > 10=amcs_not_normal (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: stby science test manual radio unknown unused unused unused unused stby_alt_amcs science_alt_amcs test_alt_amcs manual_alt_amcs radio_alt_amcs unknown_alt_amcs (Type is String)
          • flag_values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 (Type is Byte)
  • pce1(Type is Group)
    • attributes
      • Description: Group contains the Photon Counting Electronics x (PCEx) packet decommutated data (Type is String)
      • data_rate: Data within this group are stored at the data rate of the source PCE Data Packets. (nominally fifty per second.) (Type is String)
    • sxp_ssr_s(Type is Group)
      • attributes
        • Description: SBC Extrapolation Task telemetry containing Flight Science Receiver Algorithm team requested telemetry for the first set of PCE extrapolation data for a major frame.: lat, long, range, nadir angle, etc. (from APIDs 1152 thru 1157) (Type is String)
      Dimensions: [ /atlas/pce1/sxp_ssr_s/delta_time = 0..422 ] [ /atlas/pce1/sxp_ssr_s/ds_50samples = 0..49 ]
      • delta_time[ /atlas/pce1/sxp_ssr_s/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The time of the first TX pulse in the major frame, relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • ds_50samples[ /atlas/pce1/sxp_ssr_s/ds_50samples= 0..49] (Type is Int8)
        • attributes
          • long_name: DS for 50 bytes (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • valid_min: 1 (Type is Int8)
          • valid_max: 50 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: Dimension scale for an array of 50 samples. (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • latitude[ /atlas/pce1/sxp_ssr_s/delta_time= 0..422] [ /atlas/pce1/sxp_ssr_s/ds_50samples= 0..49] (Type is Float64)
        • attributes
          • long_name: latitude (Type is String)
          • units: degrees (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Latitude (Type is String)
          • coordinates: delta_time (Type is String)
      • longitude[ /atlas/pce1/sxp_ssr_s/delta_time= 0..422] [ /atlas/pce1/sxp_ssr_s/ds_50samples= 0..49] (Type is Float64)
        • attributes
          • long_name: longitude (Type is String)
          • units: degrees (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Longitude (Type is String)
          • coordinates: delta_time (Type is String)
      • mf_cosz[ /atlas/pce1/sxp_ssr_s/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: First Major Frame cosZ (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Cosine of the solar zenith angle (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • pce_mframe_cnt[ /atlas/pce1/sxp_ssr_s/delta_time= 0..422] (Type is UInt32)
        • attributes
          • long_name: PCE Major frame counter (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • cosb[ /atlas/pce1/sxp_ssr_s/delta_time= 0..422] [ /atlas/pce1/sxp_ssr_s/ds_50samples= 0..49] (Type is Float64)
        • attributes
          • long_name: cosB (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Cosine of the off-nadir angle as calculated onboard from the spacecraft information (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • srm[ /atlas/pce1/sxp_ssr_s/delta_time= 0..422] [ /atlas/pce1/sxp_ssr_s/ds_50samples= 0..49] (Type is Byte)
        • attributes
          • long_name: srm (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Surface type, vegetation and coastline information from the SRM. (bit 0-1 = surface type (0=ocean, 1=land, 2=sea ice, 3=land ice). Bit 2 = vegetation present, Bit 3 = coastline present) (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
    • dfc_hk(Type is Group)
      • attributes
        • Description: This DFCx_hk is a diagnostic packet (APID 1072, 1088, 1104) that contains some of the parameters normally part of APID 1254, 1264, 1274 (as sequence flag 01). Also know as the PCE Altimetric Science Data Major Frame described in ICESat-2-MEB-SPEC-0875, section 5.13 Table 19. The data in the group are neither calibrated nor EU-converted, but preserved from ATL01 in order provided diagnostics for TOF processing. (Type is String)
        • data_rate: Data within this group are stored at the data rate of the source APID (nominally 50 Hz). (Type is String)
      Dimensions: [ /atlas/pce1/dfc_hk/delta_time = 0..21149 ]
      • alt_imet_at_1pps[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is Int64)
        • attributes
          • long_name: IMET at 1 pps (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0016-0021 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight s/w 25 MHz IMET counter value when 1PPS is received (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_last_seq_count[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: last sequence packet count (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0060-0061 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: CCSDS Packet Sequence Count value of the last downlink packet prior to the major frame. This should be the last packet associated with the previous major frame. That packet should contain the last Tx/RX data for the last shot of the previous major frame. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_rw_start_reg_w[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: Altimetric Weak Range Window Start Reg (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0086-0088 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the transmit pulse and the start of the altimetric range window for the weak spot. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_t0_cnt[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: T0 counter (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0028-0029 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight s/w T0 counter that clears with 1PPS (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_spw_not_ready_cnt[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: SpW Not Ready Counter (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0115 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Counts each time SpW causes DFC to wait to transmit data to back-end (Status Only) (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_sci_seg_limit[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Science Data Segment Limit Size (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0069-0070 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Science Data Segment Limit Size ; initialization Value (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_rw_start_reg_s[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: Altimetric Strong Range Window Start Reg (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0076-0078 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the transmit pulse and the start of the altimetric range window for the strong spot (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_spot_tag_cnts_s[ 0..21149] [ 0..3] (Type is UInt16)
        • attributes
          • long_name: strong spot tag counter (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0034-0041 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The number of events received by the DFC on channels 1 through 16 summed over 50 range window openings. The four elements of the array correspond to dividing the major frame up into 50 shots. The last element of the array can be 49 or 51 shots depending on the alignment of the range windows with respect to the major frame. Note that these counts are time tag counts and are subject to all the limitations and behaviors associated with time tags (duplicates, FIFO overflows, etc.). (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_rw_width_reg_s[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Altimetric Strong Range Window Width Reg (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0079-0080 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the range window start and range window stop for the strong spot. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_spot_tag_cnts_w[ 0..21149] [ 0..3] (Type is UInt16)
        • attributes
          • long_name: weak spot tag counter (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0042-48 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The number of events received by the DFC on channels 17 through 20 summed over 50 range window openings. The four elements of the array correspond to dividing the major frame up into 50 shots. The last element of the array can be 49 or 51 shots depending on the alignment of the range windows with respect to the major frame. Note that these counts are time tag counts and are subject to all the limitations and behaviors associated with time tags (duplicates, FIFO overflows, etc.). (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_cmd_count[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Command Counter (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0062-0063 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Command Counter; Indicates the number of good commands received by the DFC prior to the Major Frame Packet being transmitted (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_gp_reg[ 0..21149] [ 0..1] (Type is Byte)
        • attributes
          • long_name: General Purpose Register (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0100-0101 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: General Purpose Register (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • tx_leading_coarse[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is Int16)
        • attributes
          • long_name: tx latest leading edge coarse (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0054-0056 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Latest Leading Start Time Tag-acquired leading start time tag value (paired with trailing start time time tag value) coarse time in counts (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_dfc_hk_status[ 0..21149] [ 0..4] (Type is Byte)
        • attributes
          • source: APID 1072, 1088, 1104 Byte 0106-0110 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: DFC Housekeeping Status Bits. Defined in ATLAS MEB PCE DFC FPGA Specification, ICESat-2-MEB-SPEC-0875, section 5.12 (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
          • long_name: DFC Housekeeping Status Bits (Type is String)
          • units: counts (Type is String)
      • alt_write_watchdog[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Tag write watchdog value (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0072-0073 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Tag write watchdog value ; initialization Value (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • atm_rw_start_reg_s[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: Atmospheric Strong Range Window Start Reg (Type is String)
          • units: clock cycles (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0081-0083 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the transmit pulse and the start of the Atmospheric range window for the strong spot. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_dupe_margin[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Duplicate time tag removal (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0066-0067 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Duplicate time tag removal ; initialization Value (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • tx_trailing_cell[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: tx latest trailing edge fine (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0057-0059 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Latest trailing Start Time Tag-acquired trailing start time tag value (paired with trailing start time time tag value) cell counts (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • atm_rw_width_reg_w[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Atmospheric Weak Range Window Width Reg (Type is String)
          • units: clock cycles (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0094-0095 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the Atmospheric range window start and range window stop for the weak spot. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_mframe_freq[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Major frame frequency (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0074 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The number of shots per major frame. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_debug_status[ 0..21149] [ 0..2] (Type is Byte)
        • attributes
          • long_name: Debug Status Bits (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0112-0114 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Debug Status Bits. Defined in ATLAS MEB PCE DFC FPGA Specification, ICESat-2-MEB-SPEC-0875, section 5.12. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_config[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Configuration (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0075 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Configuration bits (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • tx_trailing_coarse[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is Int16)
        • attributes
          • long_name: tx latest trailing edge coarse (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0057-0059 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Latest trailing Start Time Tag-acquired trailing start time tag value (paired with trailing start time time tag value) coarse time in counts (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_sci_addr[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Logical address for science data transmit (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0065 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Logical address for science data transmit ; initialization Value (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_wait_watchdog[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Tag wait watchdog value (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0071 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Tag wait watchdog value ; initialization Value (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • tx_leading_cell[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: tx latest leading edge fine (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0054-0056 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Latest Leading Start Time Tag-acquired leading start time tag value (paired with trailing start time time tag value) cell counts (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • atm_rw_start_reg_w[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: Atmospheric Weak Range Window Start Reg (Type is String)
          • units: clock cycles (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0091-0093 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the transmit pulse and the start of the Atmospheric range window for the weak spot. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • atm_rw_width_reg_s[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Atmospheric Strong Range Window Width Reg (Type is String)
          • units: clock cycles (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0084-0085 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the Atmospheric range window start and range window stop for the strong spot. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via Time Tagging (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • alt_debug_reg[ 0..21149] [ 0..3] (Type is Byte)
        • attributes
          • long_name: Debug Control Register (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0096-0099 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Debug Control Register (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_cal_interval[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Calibration request interval from TDC (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0068 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Calibration request interval from TDC (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_edac_status[ 0..21149] [ 0..3] (Type is Byte)
        • attributes
          • long_name: EDAC Status Bits (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 102-105 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: EDAC Status Bits. Defined in ATLAS MEB PCE DFC FPGA Specification, ICESat-2-MEB-SPEC-0875, section 5.12 (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_cal_rise[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • units: counts (Type is String)
          • long_name: Altimetric Latest Calibration Rising (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0050-0051 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The PCE latest calibration value for the rising edge (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • pce_mframe_cnt[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: PCE Major frame counter (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0030-0033 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_imet_at_first_t0[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is Int64)
        • attributes
          • long_name: IMET at first T0 after 1 pps (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0022-0027 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight s/w 25 MHz IMET counter value when 1PPS is received (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_last_opcode[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Last Opcode Received (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0064 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Indicates the last good opcode received prior to the Major Frame Packet being transmitted; 0xFF indicates an error condition of either protocol ID mismatch, invalid opcode, or invalid length (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_rw_width_reg_w[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Altimetric Weak Range Window Width Reg (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0089-0090 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the range window start and range window stop for the weak spot. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_1pps_count[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: MET 1pps counter (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0012-0015 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight s/w 1PPS counter (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_dfc_status[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: DFC Status Bits (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0111 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: DFC Status Bits. Defined in ATLAS MEB PCE DFC FPGA Specification, ICESat-2-MEB-SPEC-0875, section 5.12 (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_cal_fall[ /atlas/pce1/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Altimetric Latest Calibration Falling (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0052-0053 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The PCE latest calibration value for the falling edge. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
    • algorithm_science(Type is Group)
      • attributes
        • Description: The PCE PMF Algorithm Science data group. Contains outputs from the onboard receiver algorithm software. (Type is String)
        • data_rate: Data within this group are stored at the data rate of the source PCE Altimetric Data Packets. (nominally fifty per second.) (Type is String)
      Dimensions: [ /atlas/pce1/algorithm_science/delta_time = 0..21149 ] [ /atlas/pce1/algorithm_science/ds_4bytes = 0..3 ] [ /atlas/pce1/algorithm_science/ds_2samples = 0..1 ]
      • useflag[ /atlas/pce1/algorithm_science/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Science Mode Flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_alt_sci/ (Type is String)
          • valid_min: 0 (Type is Byte)
          • valid_max: 15 (Type is Byte)
          • contentType: referenceInformation (Type is String)
          • description: Science Mode Flag. Used by ATL03 to discard non-science mode data. 0=stby, 1=science_mode, 2=test, 3=manual, 4=radio, 5=unknown, > 10=amcs_not_normal (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: stby science test manual radio unknown unused unused unused unused stby_alt_amcs science_alt_amcs test_alt_amcs manual_alt_amcs radio_alt_amcs unknown_alt_amcs (Type is String)
          • flag_values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 (Type is Byte)
      • ds_4bytes[ /atlas/pce1/algorithm_science/ds_4bytes= 0..3] (Type is Int8)
        • attributes
          • long_name: DS for 4 bytes (Type is String)
          • units: 1 (Type is String)
          • source: Dimension Scale (Type is String)
          • valid_min: 1 (Type is Int8)
          • valid_max: 4 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: Dimension scale for an array of 4 bytes. (Type is String)
      • alt_band_channel_mask[ /atlas/pce1/algorithm_science/delta_time= 0..21149] [ /atlas/pce1/algorithm_science/ds_4bytes= 0..3] (Type is UInt32)
        • attributes
          • long_name: Band Channel Mask (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight software Band Channel Mask. (Bands 1-4) (Type is String)
          • coordinates: delta_time (Type is String)
      • gps_time[ /atlas/pce1/algorithm_science/delta_time= 0..21149] (Type is Float64)
        • attributes
          • long_name: GPS seconds at the Major Frame (Type is String)
          • units: seconds (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: GPS seconds at the Major Frame (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_band_mask[ /atlas/pce1/algorithm_science/delta_time= 0..21149] [ /atlas/pce1/algorithm_science/ds_4bytes= 0..3] (Type is Byte)
        • attributes
          • long_name: Band Mask (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight software Band Mask. Each byte corresponds to a single Band, in the order of 1-4. (Type is String)
          • coordinates: delta_time (Type is String)
      • amet_time[ /atlas/pce1/algorithm_science/delta_time= 0..21149] (Type is Float64)
        • attributes
          • long_name: AMET seconds at the Major Frame (Type is String)
          • units: seconds (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: AMET seconds at the Major Frame (Type is String)
          • coordinates: delta_time (Type is String)
      • ds_2samples[ /atlas/pce1/algorithm_science/ds_2samples= 0..1] (Type is Int8)
        • attributes
          • long_name: DS for 2 bytes (Type is String)
          • units: 1 (Type is String)
          • source: Dimension Scale (Type is String)
          • valid_min: 1 (Type is Int8)
          • valid_max: 2 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: Dimension scale for an array of 2 samples. (Type is String)
      • delta_time[ /atlas/pce1/algorithm_science/delta_time= 0..21149] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The time of the first TX pulse in the major frame, relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • pce_mframe_cnt[ /atlas/pce1/algorithm_science/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: PCE Major frame counter (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_nbands[ /atlas/pce1/algorithm_science/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Number of bands (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight software Number of bands. (Type is String)
          • coordinates: delta_time (Type is String)
      • weak(Type is Group)
        • attributes
          • Description: The PCE PMF Algorithm Science data group. Contains outputs from the onboard receiver algorithm software. (Type is String)
          • data_rate: Data within this group are stored at the data rate of the source PCE Altimetric Data Packets. (nominally fifty per second.) (Type is String)
        • alt_error_flags[ /atlas/pce1/algorithm_science/delta_time= 0..21149] [ /atlas/pce1/algorithm_science/ds_2samples= 0..1] (Type is Byte)
          • attributes
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: FSW error flags (Type is String)
            • coordinates: ../delta_time (Type is String)
            • long_name: Error Flags (Type is String)
            • units: counts (Type is String)
        • daynight_flag[ /atlas/pce1/algorithm_science/delta_time= 0..21149] (Type is Byte)
          • attributes
            • long_name: Day/Night flag (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • valid_min: 0 (Type is Byte)
            • valid_max: 1 (Type is Byte)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight software Day/Night Flag associated with the major frame. 0= day, 1 =night. Based on an algorithm determination of the background rate, not on the actual position of the sun. (Type is String)
            • coordinates: ../delta_time (Type is String)
            • flag_meanings: day night (Type is String)
            • flag_values: 0, 1 (Type is Byte)
        • decisionflags[ /atlas/pce1/algorithm_science/delta_time= 0..21149] [ /atlas/pce1/algorithm_science/ds_4bytes= 0..3] (Type is Byte)
          • attributes
            • long_name: Decision Flags (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight s/w Decision Flags associated with the major frame. indication if there was an error or if no science data is sent and why (Type is String)
            • coordinates: ../delta_time (Type is String)
        • flywheel[ /atlas/pce1/algorithm_science/delta_time= 0..21149] (Type is Byte)
          • attributes
            • long_name: Flywheel (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight software Flywheel associated with the major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • signalflags[ /atlas/pce1/algorithm_science/delta_time= 0..21149] (Type is Byte)
          • attributes
            • long_name: Signal Found Flags (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight s/w signal event flags associated with the major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
      • strong(Type is Group)
        • attributes
          • Description: The PCE PMF Algorithm Science data group. Contains outputs from the onboard receiver algorithm software. (Type is String)
          • data_rate: Data within this group are stored at the data rate of the source PCE Altimetric Data Packets. (nominally fifty per second.) (Type is String)
        • alt_error_flags[ /atlas/pce1/algorithm_science/delta_time= 0..21149] [ /atlas/pce1/algorithm_science/ds_2samples= 0..1] (Type is Byte)
          • attributes
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: FSW error flags (Type is String)
            • coordinates: ../delta_time (Type is String)
            • long_name: Error Flags (Type is String)
            • units: counts (Type is String)
        • daynight_flag[ /atlas/pce1/algorithm_science/delta_time= 0..21149] (Type is Byte)
          • attributes
            • long_name: Day/Night flag (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • valid_min: 0 (Type is Byte)
            • valid_max: 1 (Type is Byte)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight software Day/Night Flag associated with the major frame. 0= day, 1 =night. Based on an algorithm determination of the background rate, not on the actual position of the sun. (Type is String)
            • coordinates: ../delta_time (Type is String)
            • flag_meanings: day night (Type is String)
            • flag_values: 0, 1 (Type is Byte)
        • decisionflags[ /atlas/pce1/algorithm_science/delta_time= 0..21149] [ /atlas/pce1/algorithm_science/ds_4bytes= 0..3] (Type is Byte)
          • attributes
            • long_name: Decision Flags (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight s/w Decision Flags associated with the major frame. indication if there was an error or if no science data is sent and why (Type is String)
            • coordinates: ../delta_time (Type is String)
        • flywheel[ /atlas/pce1/algorithm_science/delta_time= 0..21149] (Type is Byte)
          • attributes
            • long_name: Flywheel (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight software Flywheel associated with the major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • signalflags[ /atlas/pce1/algorithm_science/delta_time= 0..21149] (Type is Byte)
          • attributes
            • long_name: Signal Found Flags (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight s/w signal event flags associated with the major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
    • altimetry(Type is Group)
      • attributes
        • Description: The PCE Altimetry Science Packet data common to both beams (PCEx_ALT_SCI_TLM_MID in APID 1254, 1264, 1274 sequence flag 01 (once per major frame). (see ICESat-2-MEB-SPEC-0875, section 5.12, Spacewire: Major Frame Packet Data Format (Type is String)
        • data_rate: Data within this group are stored at the data rate of the source PCE Altimetric Data Packets. (nominally fifty per second.) (Type is String)
      Dimensions: [ /atlas/pce1/altimetry/delta_time = 0..21149 ] [ /atlas/pce1/altimetry/ds_weak_channel_index = 0..3 ] [ /atlas/pce1/altimetry/ds_strong_channel_index = 0..15 ] [ /atlas/pce1/altimetry/ds_hist = 0..198 ]
      • cal_rise_sm[ /atlas/pce1/altimetry/delta_time= 0..21149] (Type is Float32)
        • attributes
          • long_name: Altimetric Latest Calibration Rising (Type is String)
          • units: seconds/cell (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The smoothed, calibrated value for the rising edge used to convert cell counts to units of time. time per cell count based on USO for each PCE. (Type is String)
          • coordinates: delta_time (Type is String)
      • useflag[ /atlas/pce1/altimetry/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Science Mode Flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_alt_sci/ (Type is String)
          • valid_min: 0 (Type is Byte)
          • valid_max: 15 (Type is Byte)
          • contentType: referenceInformation (Type is String)
          • description: Science Mode Flag. Used by ATL03 to discard non-science mode data. 0=stby, 1=science_mode, 2=test, 3=manual, 4=radio, 5=unknown, > 10=amcs_not_normal (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: stby science test manual radio unknown unused unused unused unused stby_alt_amcs science_alt_amcs test_alt_amcs manual_alt_amcs radio_alt_amcs unknown_alt_amcs (Type is String)
          • flag_values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 (Type is Byte)
      • n_bands[ /atlas/pce1/altimetry/delta_time= 0..21149] (Type is Int8)
        • attributes
          • long_name: Number Downlink Bands (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_alt_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Number of bands (in addition to the nominal 1 band) selected for downlink. (Type is String)
          • coordinates: delta_time (Type is String)
      • ch_mask_w[ /atlas/pce1/altimetry/delta_time= 0..21149] [ /atlas/pce1/altimetry/ds_weak_channel_index= 0..3] (Type is Int8)
        • attributes
          • long_name: Channel Mask Weak (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_alt_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Channel Mask for DLBOs. The 4 flags are a logical OR of the two band offset masks for weak beam (Type is String)
          • coordinates: delta_time (Type is String)
      • ch_mask_s[ /atlas/pce1/altimetry/delta_time= 0..21149] [ /atlas/pce1/altimetry/ds_strong_channel_index= 0..15] (Type is Int8)
        • attributes
          • long_name: Channel Mask Strong (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_alt_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Channel Mask for DLBOs. The 16 flags are a logical OR of the two band offset masks for strong beam (Type is String)
          • coordinates: delta_time (Type is String)
      • ds_hist[ /atlas/pce1/altimetry/ds_hist= 0..198] (Type is Float32)
        • attributes
          • long_name: Histogram Dimension Scale (Type is String)
          • units: seconds (Type is String)
          • source: ATL02 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Relative bin values of windowed, peak-centered TOF histograms. Peak value = 0 (Type is String)
      • cal_fall_sm[ /atlas/pce1/altimetry/delta_time= 0..21149] (Type is Float32)
        • attributes
          • long_name: Altimetric Latest Calibration Falling (Type is String)
          • units: seconds/cell (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The smoothed, calibrated value for the falling edge used to convert cell counts to units of time. time per cell count based on USO for each PCE. (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/pce1/altimetry/delta_time= 0..21149] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The time of the first TX pulse in the major frame, relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • pce_mframe_cnt[ /atlas/pce1/altimetry/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: PCE Major frame counter (Type is String)
          • units: counts (Type is String)
          • source: ATL02 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID (Type is String)
          • coordinates: delta_time (Type is String)
      • ds_strong_channel_index[ /atlas/pce1/altimetry/ds_strong_channel_index= 0..15] (Type is Int8)
        • attributes
          • long_name: DS for Strong Channels (Type is String)
          • units: 1 (Type is String)
          • source: Dimension Scale (Type is String)
          • valid_min: 1 (Type is Int8)
          • valid_max: 16 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: Dimension scale for strong channels. (Type is String)
      • ds_weak_channel_index[ /atlas/pce1/altimetry/ds_weak_channel_index= 0..3] (Type is Int8)
        • attributes
          • long_name: DS for Weak Channels (Type is String)
          • units: 1 (Type is String)
          • source: Dimension Scale (Type is String)
          • valid_min: 1 (Type is Int8)
          • valid_max: 4 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: Dimension scale for weak channels. (Type is String)
      • weak(Type is Group)
        • attributes
          • Description: The PCE Altimetry Science Packet specific to a beam (PCEx_ALT_SCI_TLM_MID in APID 1254, 1264, 1274 sequence flag 01 (once per major frame). (see ICESat-2-MEB-SPEC-0875, section 5.12, Spacewire: Major Frame Packet Data Format (Type is String)
          • data_rate: Data within this group are stored at the data rate of the source PCE Altimetric Data Packets. (nominally fifty per second.) (Type is String)
        • band2_width[ /atlas/pce1/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band2 Width (Type is String)
            • units: seconds (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Width of downlink band2. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • band1_offset[ /atlas/pce1/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band1 Offset (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Downlink band offset (DLBO) for band1. (Type is String)
            • coordinates: ../delta_time (Type is String)
            • units: seconds (Type is String)
        • band1_width[ /atlas/pce1/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band1 Width (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Width of downlink band1. (Type is String)
            • coordinates: ../delta_time (Type is String)
            • units: seconds (Type is String)
        • alt_rw_width[ /atlas/pce1/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Altimetric Range Window Width (Type is String)
            • units: seconds (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science and L1B ATBD conversion (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: The number of seconds from the range window start and range window stop (Type is String)
            • coordinates: ../delta_time (Type is String)
        • hist[ /atlas/pce1/altimetry/delta_time= 0..21149] [ /atlas/pce1/altimetry/ds_hist= 0..198] (Type is Int32)
          • attributes
            • long_name: Center-aligned TOF Histogram (Type is String)
            • units: counts (Type is String)
            • source: ATL02 (Type is String)
            • contentType: qualityInformation (Type is String)
            • description: Per-major frame, peak-aligned, windowed time-of-flight histograms. (Type is String)
            • coordinates: ../ds_hist ../delta_time (Type is String)
        • alt_rw_start[ /atlas/pce1/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Altimetric Range Window Start (Type is String)
            • units: seconds (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science and L1B ATBD conversion (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: The number of seconds between the transmit pulse and the start of the altimetric range window for the beam (Type is String)
            • coordinates: ../delta_time (Type is String)
        • band2_offset[ /atlas/pce1/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band2 Offset (Type is String)
            • units: seconds (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Downlink band offset (DLBO) for band2. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • n_mf_ph[ /atlas/pce1/altimetry/delta_time= 0..21149] (Type is Int32)
          • attributes
            • long_name: Number of photons (Type is String)
            • units: counts (Type is String)
            • source: Derived (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Number of photons within each major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • ph_ndx_beg[ /atlas/pce1/altimetry/delta_time= 0..21149] (Type is Int64)
          • attributes
            • long_name: Photon Index Begin (Type is String)
            • units: counts (Type is String)
            • source: Derived (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Index (1-based) within the photon-rate data of the first photon within each major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • photons(Type is Group)
          • attributes
            • Description: Group contains the PCE Altimetric received photon event (ph) decommutated data and its matching Transmit time tag data. Note the Transmit time tag data are repeated for each received photon event. Data is from Altimetry Science Packet (alt_sci_tlm) APID 1254, 1264, 1274 with Sequence Flag = 0 or 2. See ICESat-2-MEB-SPEC-0875, section 5.12, SPACEWIRE: TIME TAG SCIENCE DATA FORMAT (Type is String)
            • data_rate: Data within this group are stored at the data rate of the source photon events. (varies by detection; nominal value is sixty thousand per second, derived from laser_rate * photons_per_shot * beams_per_pce; where laser_rate=10000, photons_per_shot=3, beams_per_pce=2.) (Type is String)
          Dimensions: [ /atlas/pce1/altimetry/weak/photons/delta_time = 0..7273276 ]
          • tof_flag[ /atlas/pce1/altimetry/weak/photons/delta_time= 0..7273276] (Type is Int8)
            • attributes
              • long_name: TOF Flag (Type is String)
              • units: counts (Type is String)
              • source: L1B ATBD Sect 2.5.4 (Type is String)
              • valid_min: 1 (Type is Int8)
              • valid_max: 18 (Type is Int8)
              • contentType: referenceInformation (Type is String)
              • description: Time Of Flight center correction flag. Values indicate what components were used to adjust the TOF to the centroid of the Tx pulse, based on the alignment of Tx components across all 3 PCEs. 1=LL_LU_TU_TL; 2=LL_TU_TL; 3=LL_LU_TL; 4=LL_LU_TU; 5=LL_TL; 6=LL_TU; 7=LL_LU; 8=LL. Values greater than 10 indicate the same sequence of conditions indicated for a potential TEP photon. (Type is String)
              • coordinates: delta_time (Type is String)
              • flag_meanings: LL_LU_TU_TL LL_TU_TL LL_LU_TL LL_LU_TU LL_TL LL_TU LL_LU LL TEP_LL_LU_TU_TL TEP_LL_TU_TL TEP_LL_LU_TL TEP_LL_LU_TU TEP_LL_TL TEP_LL_TU TEP_LL_LU TEP_LL (Type is String)
              • flag_values: 1, 2, 3, 4, 5, 6, 7, 8, 11, 12, 13, 14, 15, 16, 17, 18 (Type is Int8)
          • ph_id_count[ /atlas/pce1/altimetry/weak/photons/delta_time= 0..7273276] (Type is Byte)
            • attributes
              • long_name: photon event counter (Type is String)
              • units: counts (Type is String)
              • source: Derived as part of Photon ID (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: photon event counter is part of photon ID and will count from 1 for each channel until reset by laser pulse counter. If ph_id_count is 0, then there was a transmit pulse without any received photons. In this case, the transmit portion of the alt_science packet is valid, but the receive portion is all 0s and should not be used. (Type is String)
              • coordinates: delta_time (Type is String)
          • ph_tof[ /atlas/pce1/altimetry/weak/photons/delta_time= 0..7273276] (Type is Float64)
            • attributes
              • long_name: Time of Flight (Type is String)
              • source: ATL02 ATBD (Type is String)
              • contentType: physicalMeasurement (Type is String)
              • description: Time of flight (TOF); the round trip time in seconds of the received photon relative to the beam's zero range point (ZRP). Computed from the Transmit (Tx) and Receive (Rx) Time-of-flight components and then calibrated to the centroid of the transmit pulse. (Type is String)
              • coordinates: delta_time (Type is String)
              • units: seconds (Type is String)
          • tx_other_tof[ /atlas/pce1/altimetry/weak/photons/delta_time= 0..7273276] (Type is Float32)
            • attributes
              • long_name: Other Transmit Time from LL (Type is String)
              • units: seconds (Type is String)
              • source: ATL01/atlas/pcex/a_alt_science_ph TX data L1B ATBD section tof (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: Time of flight from the PCE-specific leading-lower (LL) threshold (tx_ll_tof) to the detected other transmit pulse edge. For PCE1, this is the time from the PCE1 LL to the Transmit Leading Upper edge (LU) threshold; for PCE2, this is the time from the PCE2 LL to the Transmit Trailing Upper edge (TU) threshold; and for PCE3, this is the time from the PCE3 LL to the Transmit Trailing Lower edge (TL) threshold. (Type is String)
              • coordinates: delta_time (Type is String)
          • ph_id_pulse[ /atlas/pce1/altimetry/weak/photons/delta_time= 0..7273276] (Type is Byte)
            • attributes
              • long_name: laser pulse counter (Type is String)
              • units: counts (Type is String)
              • source: Derived as part of Photon ID (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: laser pulse counter is part of photon ID and will count from 1 to 200 and reset for each new major frame (major_fram_id). If the corresponding ph_id_count is 0, then there was a transmit pulse without any received photons. (Type is String)
              • coordinates: delta_time (Type is String)
          • rx_band_id[ /atlas/pce1/altimetry/weak/photons/delta_time= 0..7273276] (Type is Int8)
            • attributes
              • long_name: rx downlink band id (Type is String)
              • units: counts (Type is String)
              • source: ATL01/atlas/pcex/a_alt_science_ph RX data (Type is String)
              • valid_min: 0 (Type is Int8)
              • valid_max: 1 (Type is Int8)
              • contentType: referenceInformation (Type is String)
              • description: Flag to indicate downlink band id associated with the received rx_tof (received photon event). A value of 0 indicates the photon corresponds to band1; A value of 1 indicates the photon corresponds to band2. Corresponding parameters are band_width, band_offset and band_eventcount. (Type is String)
              • coordinates: delta_time (Type is String)
              • flag_meanings: band1 band2 (Type is String)
              • flag_values: 0, 1 (Type is Int8)
          • ph_id_channel[ /atlas/pce1/altimetry/weak/photons/delta_time= 0..7273276] (Type is Byte)
            • attributes
              • long_name: Receive channel id (Type is String)
              • units: 1 (Type is String)
              • source: Derived as part of Photon ID (Type is String)
              • valid_min: 1 (Type is Byte)
              • valid_max: 120 (Type is Byte)
              • contentType: referenceInformation (Type is String)
              • description: Channel number assigned for each received photon event. This is part of the photon ID. Values range from 1 to 120 to span all channels and rise/fall edges. Values 1 to 60 are for falling edge; PCE1 (1 to 20), PCE 2 (21 to 40) and PCE3 (41 to 60). Values 61 to 120 are for rising edge; PCE1 (61 to 80), PCE 2 (81 to 100) and PC3 (101 to 120). (Type is String)
              • coordinates: delta_time (Type is String)
          • tx_ll_tof[ /atlas/pce1/altimetry/weak/photons/delta_time= 0..7273276] (Type is Float32)
            • attributes
              • long_name: Transmit LL time from T0 (Type is String)
              • units: seconds (Type is String)
              • source: ATL01/atlas/pcex/a_alt_science_ph TX data L1B ATBD section tof (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: Transmit (Tx) Leading Lower (LL) time of flight (TOF); the round trip time in seconds from the detected lower leading edge of the transmit pulse relative to the ATLAS T0. Includes all calibrations of coarse and fine counts. (Type is String)
              • coordinates: delta_time (Type is String)
          • delta_time[ /atlas/pce1/altimetry/weak/photons/delta_time= 0..7273276] (Type is Float64)
            • attributes
              • long_name: Elapsed GPS seconds (Type is String)
              • standard_name: time (Type is String)
              • units: seconds since 2018-01-01 (Type is String)
              • source: Derived via L1B ATBD (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: The Time of Day for the specific Transmit (TX) pulse associated with the Received (RX) event. (see L1B ATBD section 5 time of flight), relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
          • pce_mframe_cnt[ /atlas/pce1/altimetry/weak/photons/delta_time= 0..7273276] (Type is UInt32)
            • attributes
              • long_name: PCE Major frame counter (Type is String)
              • units: counts (Type is String)
              • source: Retained from latest a_alt_science packet (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID (Type is String)
              • coordinates: delta_time (Type is String)
      • strong(Type is Group)
        • attributes
          • Description: The PCE Altimetry Science Packet specific to a beam (PCEx_ALT_SCI_TLM_MID in APID 1254, 1264, 1274 sequence flag 01 (once per major frame). (see ICESat-2-MEB-SPEC-0875, section 5.12, Spacewire: Major Frame Packet Data Format (Type is String)
          • data_rate: Data within this group are stored at the data rate of the source PCE Altimetric Data Packets. (nominally fifty per second.) (Type is String)
        • band2_width[ /atlas/pce1/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band2 Width (Type is String)
            • units: seconds (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Width of downlink band2. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • band1_offset[ /atlas/pce1/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band1 Offset (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Downlink band offset (DLBO) for band1. (Type is String)
            • coordinates: ../delta_time (Type is String)
            • units: seconds (Type is String)
        • band1_width[ /atlas/pce1/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band1 Width (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Width of downlink band1. (Type is String)
            • coordinates: ../delta_time (Type is String)
            • units: seconds (Type is String)
        • alt_rw_width[ /atlas/pce1/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Altimetric Range Window Width (Type is String)
            • units: seconds (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science and L1B ATBD conversion (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: The number of seconds from the range window start and range window stop (Type is String)
            • coordinates: ../delta_time (Type is String)
        • hist[ /atlas/pce1/altimetry/delta_time= 0..21149] [ /atlas/pce1/altimetry/ds_hist= 0..198] (Type is Int32)
          • attributes
            • long_name: Center-aligned TOF Histogram (Type is String)
            • units: counts (Type is String)
            • source: ATL02 (Type is String)
            • contentType: qualityInformation (Type is String)
            • description: Per-major frame, peak-aligned, windowed time-of-flight histograms. (Type is String)
            • coordinates: ../ds_hist ../delta_time (Type is String)
        • alt_rw_start[ /atlas/pce1/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Altimetric Range Window Start (Type is String)
            • units: seconds (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science and L1B ATBD conversion (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: The number of seconds between the transmit pulse and the start of the altimetric range window for the beam (Type is String)
            • coordinates: ../delta_time (Type is String)
        • band2_offset[ /atlas/pce1/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band2 Offset (Type is String)
            • units: seconds (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Downlink band offset (DLBO) for band2. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • n_mf_ph[ /atlas/pce1/altimetry/delta_time= 0..21149] (Type is Int32)
          • attributes
            • long_name: Number of photons (Type is String)
            • units: counts (Type is String)
            • source: Derived (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Number of photons within each major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • ph_ndx_beg[ /atlas/pce1/altimetry/delta_time= 0..21149] (Type is Int64)
          • attributes
            • long_name: Photon Index Begin (Type is String)
            • units: counts (Type is String)
            • source: Derived (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Index (1-based) within the photon-rate data of the first photon within each major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • photons(Type is Group)
          • attributes
            • Description: Group contains the PCE Altimetric received photon event (ph) decommutated data and its matching Transmit time tag data. Note the Transmit time tag data are repeated for each received photon event. Data is from Altimetry Science Packet (alt_sci_tlm) APID 1254, 1264, 1274 with Sequence Flag = 0 or 2. See ICESat-2-MEB-SPEC-0875, section 5.12, SPACEWIRE: TIME TAG SCIENCE DATA FORMAT (Type is String)
            • data_rate: Data within this group are stored at the data rate of the source photon events. (varies by detection; nominal value is sixty thousand per second, derived from laser_rate * photons_per_shot * beams_per_pce; where laser_rate=10000, photons_per_shot=3, beams_per_pce=2.) (Type is String)
          Dimensions: [ /atlas/pce1/altimetry/strong/photons/delta_time = 0..10888378 ]
          • tof_flag[ /atlas/pce1/altimetry/strong/photons/delta_time= 0..10888378] (Type is Int8)
            • attributes
              • long_name: TOF Flag (Type is String)
              • units: counts (Type is String)
              • source: L1B ATBD Sect 2.5.4 (Type is String)
              • valid_min: 1 (Type is Int8)
              • valid_max: 18 (Type is Int8)
              • contentType: referenceInformation (Type is String)
              • description: Time Of Flight center correction flag. Values indicate what components were used to adjust the TOF to the centroid of the Tx pulse, based on the alignment of Tx components across all 3 PCEs. 1=LL_LU_TU_TL; 2=LL_TU_TL; 3=LL_LU_TL; 4=LL_LU_TU; 5=LL_TL; 6=LL_TU; 7=LL_LU; 8=LL. Values greater than 10 indicate the same sequence of conditions indicated for a potential TEP photon. (Type is String)
              • coordinates: delta_time (Type is String)
              • flag_meanings: LL_LU_TU_TL LL_TU_TL LL_LU_TL LL_LU_TU LL_TL LL_TU LL_LU LL TEP_LL_LU_TU_TL TEP_LL_TU_TL TEP_LL_LU_TL TEP_LL_LU_TU TEP_LL_TL TEP_LL_TU TEP_LL_LU TEP_LL (Type is String)
              • flag_values: 1, 2, 3, 4, 5, 6, 7, 8, 11, 12, 13, 14, 15, 16, 17, 18 (Type is Int8)
          • ph_id_count[ /atlas/pce1/altimetry/strong/photons/delta_time= 0..10888378] (Type is Byte)
            • attributes
              • long_name: photon event counter (Type is String)
              • units: counts (Type is String)
              • source: Derived as part of Photon ID (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: photon event counter is part of photon ID and will count from 1 for each channel until reset by laser pulse counter. If ph_id_count is 0, then there was a transmit pulse without any received photons. In this case, the transmit portion of the alt_science packet is valid, but the receive portion is all 0s and should not be used. (Type is String)
              • coordinates: delta_time (Type is String)
          • ph_tof[ /atlas/pce1/altimetry/strong/photons/delta_time= 0..10888378] (Type is Float64)
            • attributes
              • long_name: Time of Flight (Type is String)
              • source: ATL02 ATBD (Type is String)
              • contentType: physicalMeasurement (Type is String)
              • description: Time of flight (TOF); the round trip time in seconds of the received photon relative to the beam's zero range point (ZRP). Computed from the Transmit (Tx) and Receive (Rx) Time-of-flight components and then calibrated to the centroid of the transmit pulse. (Type is String)
              • coordinates: delta_time (Type is String)
              • units: seconds (Type is String)
          • tx_other_tof[ /atlas/pce1/altimetry/strong/photons/delta_time= 0..10888378] (Type is Float32)
            • attributes
              • long_name: Other Transmit Time from LL (Type is String)
              • units: seconds (Type is String)
              • source: ATL01/atlas/pcex/a_alt_science_ph TX data L1B ATBD section tof (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: Time of flight from the PCE-specific leading-lower (LL) threshold (tx_ll_tof) to the detected other transmit pulse edge. For PCE1, this is the time from the PCE1 LL to the Transmit Leading Upper edge (LU) threshold; for PCE2, this is the time from the PCE2 LL to the Transmit Trailing Upper edge (TU) threshold; and for PCE3, this is the time from the PCE3 LL to the Transmit Trailing Lower edge (TL) threshold. (Type is String)
              • coordinates: delta_time (Type is String)
          • ph_id_pulse[ /atlas/pce1/altimetry/strong/photons/delta_time= 0..10888378] (Type is Byte)
            • attributes
              • long_name: laser pulse counter (Type is String)
              • units: counts (Type is String)
              • source: Derived as part of Photon ID (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: laser pulse counter is part of photon ID and will count from 1 to 200 and reset for each new major frame (major_fram_id). If the corresponding ph_id_count is 0, then there was a transmit pulse without any received photons. (Type is String)
              • coordinates: delta_time (Type is String)
          • rx_band_id[ /atlas/pce1/altimetry/strong/photons/delta_time= 0..10888378] (Type is Int8)
            • attributes
              • long_name: rx downlink band id (Type is String)
              • units: counts (Type is String)
              • source: ATL01/atlas/pcex/a_alt_science_ph RX data (Type is String)
              • valid_min: 0 (Type is Int8)
              • valid_max: 1 (Type is Int8)
              • contentType: referenceInformation (Type is String)
              • description: Flag to indicate downlink band id associated with the received rx_tof (received photon event). A value of 0 indicates the photon corresponds to band1; A value of 1 indicates the photon corresponds to band2. Corresponding parameters are band_width, band_offset and band_eventcount. (Type is String)
              • coordinates: delta_time (Type is String)
              • flag_meanings: band1 band2 (Type is String)
              • flag_values: 0, 1 (Type is Int8)
          • ph_id_channel[ /atlas/pce1/altimetry/strong/photons/delta_time= 0..10888378] (Type is Byte)
            • attributes
              • long_name: Receive channel id (Type is String)
              • units: 1 (Type is String)
              • source: Derived as part of Photon ID (Type is String)
              • valid_min: 1 (Type is Byte)
              • valid_max: 120 (Type is Byte)
              • contentType: referenceInformation (Type is String)
              • description: Channel number assigned for each received photon event. This is part of the photon ID. Values range from 1 to 120 to span all channels and rise/fall edges. Values 1 to 60 are for falling edge; PCE1 (1 to 20), PCE 2 (21 to 40) and PCE3 (41 to 60). Values 61 to 120 are for rising edge; PCE1 (61 to 80), PCE 2 (81 to 100) and PC3 (101 to 120). (Type is String)
              • coordinates: delta_time (Type is String)
          • tx_ll_tof[ /atlas/pce1/altimetry/strong/photons/delta_time= 0..10888378] (Type is Float32)
            • attributes
              • long_name: Transmit LL time from T0 (Type is String)
              • units: seconds (Type is String)
              • source: ATL01/atlas/pcex/a_alt_science_ph TX data L1B ATBD section tof (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: Transmit (Tx) Leading Lower (LL) time of flight (TOF); the round trip time in seconds from the detected lower leading edge of the transmit pulse relative to the ATLAS T0. Includes all calibrations of coarse and fine counts. (Type is String)
              • coordinates: delta_time (Type is String)
          • delta_time[ /atlas/pce1/altimetry/strong/photons/delta_time= 0..10888378] (Type is Float64)
            • attributes
              • long_name: Elapsed GPS seconds (Type is String)
              • standard_name: time (Type is String)
              • units: seconds since 2018-01-01 (Type is String)
              • source: Derived via L1B ATBD (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: The Time of Day for the specific Transmit (TX) pulse associated with the Received (RX) event. (see L1B ATBD section 5 time of flight), relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
          • pce_mframe_cnt[ /atlas/pce1/altimetry/strong/photons/delta_time= 0..10888378] (Type is UInt32)
            • attributes
              • long_name: PCE Major frame counter (Type is String)
              • units: counts (Type is String)
              • source: Retained from latest a_alt_science packet (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID (Type is String)
              • coordinates: delta_time (Type is String)
    • atmosphere_s(Type is Group)
      • attributes
        • Description: Contains parameters relating to the PCE Atmospheric Data Histograms. Normally 25 hz. (APID 1255, 1259, 1265, 1269, 1275, 1279). P1 S,P1 W, P2 S, P2 W, P3 S, P3 W. (Type is String)
        • data_rate: Data in this group is stored at a 25hz (25 per second) rate. (Type is String)
      Dimensions: [ /atlas/pce1/atmosphere_s/delta_time = 0..10574 ] [ /atlas/pce1/atmosphere_s/ds_hist_bin_index = 0..466 ]
      • atm_rw_start[ /atlas/pce1/atmosphere_s/delta_time= 0..10574] (Type is Float32)
        • attributes
          • long_name: Atmospheric Range Window Start (Type is String)
          • units: seconds (Type is String)
          • source: ATL01/atlas/pcex/a_atm_hist_x and L1B ATBD section ATM (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The number of seconds between the transmit pulse and the start of the Atmospheric range window (Type is String)
          • coordinates: delta_time (Type is String)
      • atm_rw_width[ /atlas/pce1/atmosphere_s/delta_time= 0..10574] (Type is Float32)
        • attributes
          • long_name: Atmospheric Range Window Width (Type is String)
          • units: seconds (Type is String)
          • source: ATL01/atlas/pcex/a_atm_hist_x and L1B ATBD section ATM (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The number of seconds from the Atmospheric range window start and range window stop. (Type is String)
          • coordinates: delta_time (Type is String)
      • atm_shift_amount[ /atlas/pce1/atmosphere_s/delta_time= 0..10574] (Type is Int16)
        • attributes
          • units: counts (Type is String)
          • long_name: Atmospheric Range Window Shift (Type is String)
          • source: ATL01/atlas/pcex/a_atm_hist_x and L1B ATBD section ATM (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The number of bins the range window start of one of the histograms was shifted to align them before they are added together. (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/pce1/atmosphere_s/delta_time= 0..10574] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The time of the first TX pulse in major frame, relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • ds_hist_bin_index[ /atlas/pce1/atmosphere_s/ds_hist_bin_index= 0..466] (Type is Int16)
        • attributes
          • long_name: DS for ATM histogram bins (Type is String)
          • units: 1 (Type is String)
          • source: Dimension Scale (Type is String)
          • valid_min: 1 (Type is Int16)
          • valid_max: 467 (Type is Int16)
          • contentType: referenceInformation (Type is String)
          • description: Dimension scale for atmosphere histogram bins. (Type is String)
      • pce_mframe_cnt[ /atlas/pce1/atmosphere_s/delta_time= 0..10574] (Type is UInt32)
        • attributes
          • long_name: PCE Major frame counter (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_atm_hist_x (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Major Frame Counter - The major frame counter is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID (Type is String)
          • coordinates: delta_time (Type is String)
      • atm_bins[ /atlas/pce1/atmosphere_s/delta_time= 0..10574] [ /atlas/pce1/atmosphere_s/ds_hist_bin_index= 0..466] (Type is UInt16)
        • attributes
          • long_name: Atmospheric Science Histogram (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_atm_hist_x (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The histogram bins for the Atmospheric beam.Once every 400 shots ( laser pulses). Bin 1 (clouds) is nearest to spacecraft .Bin 467 is under ground. (Type is String)
          • coordinates: delta_time (Type is String)
      • useflag[ /atlas/pce1/atmosphere_s/delta_time= 0..10574] (Type is Byte)
        • attributes
          • long_name: Science Mode Flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_alt_sci/ (Type is String)
          • valid_min: 0 (Type is Byte)
          • valid_max: 15 (Type is Byte)
          • contentType: referenceInformation (Type is String)
          • description: Science Mode Flag. Used by ATL03 to discard non-science mode data. 0=stby, 1=science_mode, 2=test, 3=manual, 4=radio, 5=unknown, > 10=amcs_not_normal (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: stby science test manual radio unknown unused unused unused unused stby_alt_amcs science_alt_amcs test_alt_amcs manual_alt_amcs radio_alt_amcs unknown_alt_amcs (Type is String)
          • flag_values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 (Type is Byte)
    • pmf_hk(Type is Group)
      • attributes
        • Description: PCE Diagnostic Telemetry Packet from one of the following APIDs : 1073, 1089, 1105 (each APID is associated with a specific PCE). Packet Frequency is 1 Hertz. (Type is String)
      Dimensions: [ /atlas/pce1/pmf_hk/delta_time = 0..422 ]
      • activeknobstable[ /atlas/pce1/pmf_hk/delta_time= 0..422] (Type is Byte)
        • attributes
          • long_name: ActiveKnobsTable (Type is String)
          • units: counts (Type is String)
          • source: APID 1073, 1089, 1105 Byte 0037-0037 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The active knobs table. (Type is String)
          • coordinates: delta_time (Type is String)
      • autorestartdfccount[ /atlas/pce1/pmf_hk/delta_time= 0..422] (Type is UInt16)
        • attributes
          • long_name: AutoRestartDFCCount (Type is String)
          • units: counts (Type is String)
          • source: APID 1073, 1089, 1105 Byte 0090-0091 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Number of DFC Auto Restarts (Type is String)
          • coordinates: delta_time (Type is String)
      • cmd_err_cntr[ /atlas/pce1/pmf_hk/delta_time= 0..422] (Type is Byte)
        • attributes
          • long_name: cmd_err_cntr (Type is String)
          • units: counts (Type is String)
          • source: APID 1073, 1089, 1105 Byte 0012-0012 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Command error counter (Type is String)
          • coordinates: delta_time (Type is String)
      • cmd_suc_cntr[ /atlas/pce1/pmf_hk/delta_time= 0..422] (Type is Byte)
        • attributes
          • long_name: cmd_suc_cntr (Type is String)
          • units: counts (Type is String)
          • source: APID 1073, 1089, 1105 Byte 0013-0013 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Command success counter. (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/pce1/pmf_hk/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via Time Tagging (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • mode[ /atlas/pce1/pmf_hk/delta_time= 0..422] (Type is Byte)
        • attributes
          • long_name: Mode (Type is String)
          • units: counts (Type is String)
          • source: APID 1073, 1089, 1105 Byte 0036-0036 (Type is String)
          • valid_min: 0 (Type is Byte)
          • valid_max: 5 (Type is Byte)
          • contentType: referenceInformation (Type is String)
          • description: PCE Mode. 0=STBY; 1=Science; 2=Test; 3=Manual; 4=Radio; 5=Unknown (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: STBY Science Test Manual Radio Test (Type is String)
          • flag_values: 0, 1, 2, 3, 4, 5 (Type is Byte)
    • sxp_ssr_w(Type is Group)
      • attributes
        • Description: SBC Extrapolation Task telemetry containing Flight Science Receiver Algorithm team requested telemetry for the first set of PCE extrapolation data for a major frame.: lat, long, range, nadir angle, etc. (from APIDs 1152 thru 1157) (Type is String)
      Dimensions: [ /atlas/pce1/sxp_ssr_w/delta_time = 0..422 ] [ /atlas/pce1/sxp_ssr_w/ds_50samples = 0..49 ]
      • delta_time[ /atlas/pce1/sxp_ssr_w/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The time of the first TX pulse in the major frame, relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • ds_50samples[ /atlas/pce1/sxp_ssr_w/ds_50samples= 0..49] (Type is Int8)
        • attributes
          • long_name: DS for 50 bytes (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • valid_min: 1 (Type is Int8)
          • valid_max: 50 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: Dimension scale for an array of 50 samples. (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • latitude[ /atlas/pce1/sxp_ssr_w/delta_time= 0..422] [ /atlas/pce1/sxp_ssr_w/ds_50samples= 0..49] (Type is Float64)
        • attributes
          • long_name: latitude (Type is String)
          • units: degrees (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Latitude (Type is String)
          • coordinates: delta_time (Type is String)
      • longitude[ /atlas/pce1/sxp_ssr_w/delta_time= 0..422] [ /atlas/pce1/sxp_ssr_w/ds_50samples= 0..49] (Type is Float64)
        • attributes
          • long_name: longitude (Type is String)
          • units: degrees (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Longitude (Type is String)
          • coordinates: delta_time (Type is String)
      • mf_cosz[ /atlas/pce1/sxp_ssr_w/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: First Major Frame cosZ (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Cosine of the solar zenith angle (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • pce_mframe_cnt[ /atlas/pce1/sxp_ssr_w/delta_time= 0..422] (Type is UInt32)
        • attributes
          • long_name: PCE Major frame counter (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • cosb[ /atlas/pce1/sxp_ssr_w/delta_time= 0..422] [ /atlas/pce1/sxp_ssr_w/ds_50samples= 0..49] (Type is Float64)
        • attributes
          • long_name: cosB (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Cosine of the off-nadir angle as calculated onboard from the spacecraft information (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • srm[ /atlas/pce1/sxp_ssr_w/delta_time= 0..422] [ /atlas/pce1/sxp_ssr_w/ds_50samples= 0..49] (Type is Byte)
        • attributes
          • long_name: srm (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Surface type, vegetation and coastline information from the SRM. (bit 0-1 = surface type (0=ocean, 1=land, 2=sea ice, 3=land ice). Bit 2 = vegetation present, Bit 3 = coastline present) (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
    • background(Type is Group)
      • attributes
        • Description: The background data is specific to each beam and reported at a 50-shot rate. (Type is String)
        • data_rate: Data within this group are stored at the data rate of the source PCE Altimetric Data Packets. (nominally fifty per second.) (Type is String)
      Dimensions: [ /atlas/pce1/background/delta_time = 0..84599 ]
      • bg_cnt_50shot_s[ /atlas/pce1/background/delta_time= 0..84599] (Type is UInt16)
        • attributes
          • units: counts (Type is String)
          • long_name: Strong background counts (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight s/w indicates for the beam the # of counted time tags (BackgroundCounts_50Shot) during the range windows associated with a set of 50 laser pulses of the major frame. (Type is String)
          • coordinates: delta_time (Type is String)
      • bg_cnt_50shot_w[ /atlas/pce1/background/delta_time= 0..84599] (Type is UInt16)
        • attributes
          • long_name: Weak background counts (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight s/w indicates for the beam the # of counted time tags (BackgroundCounts_50Shot) during the range windows associated with a set of 50 laser pulses of the major frame. (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/pce1/background/delta_time= 0..84599] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The time of the first TX pulse in the 50 laser pulses used for background, in seconds relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
          • coordinates: delta_time (Type is String)
      • pce_mframe_cnt[ /atlas/pce1/background/delta_time= 0..84599] (Type is UInt32)
        • attributes
          • long_name: PCE Major frame counter (Type is String)
          • units: counts (Type is String)
          • source: Derived (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID (Type is String)
          • coordinates: delta_time (Type is String)
      • useflag[ /atlas/pce1/background/delta_time= 0..84599] (Type is Byte)
        • attributes
          • long_name: Science Mode Flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_alt_sci/ (Type is String)
          • valid_min: 0 (Type is Byte)
          • valid_max: 15 (Type is Byte)
          • contentType: referenceInformation (Type is String)
          • description: Science Mode Flag. Used by ATL03 to discard non-science mode data. 0=stby, 1=science_mode, 2=test, 3=manual, 4=radio, 5=unknown, > 10=amcs_not_normal (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: stby science test manual radio unknown unused unused unused unused stby_alt_amcs science_alt_amcs test_alt_amcs manual_alt_amcs radio_alt_amcs unknown_alt_amcs (Type is String)
          • flag_values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 (Type is Byte)
  • pce3(Type is Group)
    • attributes
      • Description: Group contains the Photon Counting Electronics x (PCEx) packet decommutated data (Type is String)
      • data_rate: Data within this group are stored at the data rate of the source PCE Data Packets. (nominally fifty per second.) (Type is String)
    • sxp_ssr_s(Type is Group)
      • attributes
        • Description: SBC Extrapolation Task telemetry containing Flight Science Receiver Algorithm team requested telemetry for the first set of PCE extrapolation data for a major frame.: lat, long, range, nadir angle, etc. (from APIDs 1152 thru 1157) (Type is String)
      Dimensions: [ /atlas/pce3/sxp_ssr_s/delta_time = 0..422 ] [ /atlas/pce3/sxp_ssr_s/ds_50samples = 0..49 ]
      • delta_time[ /atlas/pce3/sxp_ssr_s/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The time of the first TX pulse in the major frame, relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • ds_50samples[ /atlas/pce3/sxp_ssr_s/ds_50samples= 0..49] (Type is Int8)
        • attributes
          • long_name: DS for 50 bytes (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • valid_min: 1 (Type is Int8)
          • valid_max: 50 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: Dimension scale for an array of 50 samples. (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • latitude[ /atlas/pce3/sxp_ssr_s/delta_time= 0..422] [ /atlas/pce3/sxp_ssr_s/ds_50samples= 0..49] (Type is Float64)
        • attributes
          • long_name: latitude (Type is String)
          • units: degrees (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Latitude (Type is String)
          • coordinates: delta_time (Type is String)
      • longitude[ /atlas/pce3/sxp_ssr_s/delta_time= 0..422] [ /atlas/pce3/sxp_ssr_s/ds_50samples= 0..49] (Type is Float64)
        • attributes
          • long_name: longitude (Type is String)
          • units: degrees (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Longitude (Type is String)
          • coordinates: delta_time (Type is String)
      • mf_cosz[ /atlas/pce3/sxp_ssr_s/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: First Major Frame cosZ (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Cosine of the solar zenith angle (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • pce_mframe_cnt[ /atlas/pce3/sxp_ssr_s/delta_time= 0..422] (Type is UInt32)
        • attributes
          • long_name: PCE Major frame counter (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • cosb[ /atlas/pce3/sxp_ssr_s/delta_time= 0..422] [ /atlas/pce3/sxp_ssr_s/ds_50samples= 0..49] (Type is Float64)
        • attributes
          • long_name: cosB (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Cosine of the off-nadir angle as calculated onboard from the spacecraft information (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • srm[ /atlas/pce3/sxp_ssr_s/delta_time= 0..422] [ /atlas/pce3/sxp_ssr_s/ds_50samples= 0..49] (Type is Byte)
        • attributes
          • long_name: srm (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Surface type, vegetation and coastline information from the SRM. (bit 0-1 = surface type (0=ocean, 1=land, 2=sea ice, 3=land ice). Bit 2 = vegetation present, Bit 3 = coastline present) (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
    • dfc_hk(Type is Group)
      • attributes
        • Description: This DFCx_hk is a diagnostic packet (APID 1072, 1088, 1104) that contains some of the parameters normally part of APID 1254, 1264, 1274 (as sequence flag 01). Also know as the PCE Altimetric Science Data Major Frame described in ICESat-2-MEB-SPEC-0875, section 5.13 Table 19. The data in the group are neither calibrated nor EU-converted, but preserved from ATL01 in order provided diagnostics for TOF processing. (Type is String)
        • data_rate: Data within this group are stored at the data rate of the source APID (nominally 50 Hz). (Type is String)
      Dimensions: [ /atlas/pce3/dfc_hk/delta_time = 0..21149 ]
      • alt_imet_at_1pps[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is Int64)
        • attributes
          • long_name: IMET at 1 pps (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0016-0021 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight s/w 25 MHz IMET counter value when 1PPS is received (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_last_seq_count[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: last sequence packet count (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0060-0061 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: CCSDS Packet Sequence Count value of the last downlink packet prior to the major frame. This should be the last packet associated with the previous major frame. That packet should contain the last Tx/RX data for the last shot of the previous major frame. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_rw_start_reg_w[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: Altimetric Weak Range Window Start Reg (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0086-0088 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the transmit pulse and the start of the altimetric range window for the weak spot. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_t0_cnt[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: T0 counter (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0028-0029 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight s/w T0 counter that clears with 1PPS (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_spw_not_ready_cnt[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: SpW Not Ready Counter (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0115 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Counts each time SpW causes DFC to wait to transmit data to back-end (Status Only) (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_sci_seg_limit[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Science Data Segment Limit Size (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0069-0070 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Science Data Segment Limit Size ; initialization Value (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_rw_start_reg_s[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: Altimetric Strong Range Window Start Reg (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0076-0078 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the transmit pulse and the start of the altimetric range window for the strong spot (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_spot_tag_cnts_s[ 0..21149] [ 0..3] (Type is UInt16)
        • attributes
          • long_name: strong spot tag counter (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0034-0041 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The number of events received by the DFC on channels 1 through 16 summed over 50 range window openings. The four elements of the array correspond to dividing the major frame up into 50 shots. The last element of the array can be 49 or 51 shots depending on the alignment of the range windows with respect to the major frame. Note that these counts are time tag counts and are subject to all the limitations and behaviors associated with time tags (duplicates, FIFO overflows, etc.). (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_rw_width_reg_s[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Altimetric Strong Range Window Width Reg (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0079-0080 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the range window start and range window stop for the strong spot. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_spot_tag_cnts_w[ 0..21149] [ 0..3] (Type is UInt16)
        • attributes
          • long_name: weak spot tag counter (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0042-48 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The number of events received by the DFC on channels 17 through 20 summed over 50 range window openings. The four elements of the array correspond to dividing the major frame up into 50 shots. The last element of the array can be 49 or 51 shots depending on the alignment of the range windows with respect to the major frame. Note that these counts are time tag counts and are subject to all the limitations and behaviors associated with time tags (duplicates, FIFO overflows, etc.). (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_cmd_count[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Command Counter (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0062-0063 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Command Counter; Indicates the number of good commands received by the DFC prior to the Major Frame Packet being transmitted (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_gp_reg[ 0..21149] [ 0..1] (Type is Byte)
        • attributes
          • long_name: General Purpose Register (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0100-0101 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: General Purpose Register (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • tx_leading_coarse[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is Int16)
        • attributes
          • long_name: tx latest leading edge coarse (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0054-0056 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Latest Leading Start Time Tag-acquired leading start time tag value (paired with trailing start time time tag value) coarse time in counts (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_dfc_hk_status[ 0..21149] [ 0..4] (Type is Byte)
        • attributes
          • source: APID 1072, 1088, 1104 Byte 0106-0110 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: DFC Housekeeping Status Bits. Defined in ATLAS MEB PCE DFC FPGA Specification, ICESat-2-MEB-SPEC-0875, section 5.12 (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
          • long_name: DFC Housekeeping Status Bits (Type is String)
          • units: counts (Type is String)
      • alt_write_watchdog[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Tag write watchdog value (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0072-0073 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Tag write watchdog value ; initialization Value (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • atm_rw_start_reg_s[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: Atmospheric Strong Range Window Start Reg (Type is String)
          • units: clock cycles (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0081-0083 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the transmit pulse and the start of the Atmospheric range window for the strong spot. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_dupe_margin[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Duplicate time tag removal (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0066-0067 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Duplicate time tag removal ; initialization Value (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • tx_trailing_cell[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: tx latest trailing edge fine (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0057-0059 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Latest trailing Start Time Tag-acquired trailing start time tag value (paired with trailing start time time tag value) cell counts (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • atm_rw_width_reg_w[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Atmospheric Weak Range Window Width Reg (Type is String)
          • units: clock cycles (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0094-0095 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the Atmospheric range window start and range window stop for the weak spot. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_mframe_freq[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Major frame frequency (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0074 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The number of shots per major frame. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_debug_status[ 0..21149] [ 0..2] (Type is Byte)
        • attributes
          • long_name: Debug Status Bits (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0112-0114 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Debug Status Bits. Defined in ATLAS MEB PCE DFC FPGA Specification, ICESat-2-MEB-SPEC-0875, section 5.12. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_config[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Configuration (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0075 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Configuration bits (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • tx_trailing_coarse[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is Int16)
        • attributes
          • long_name: tx latest trailing edge coarse (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0057-0059 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Latest trailing Start Time Tag-acquired trailing start time tag value (paired with trailing start time time tag value) coarse time in counts (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_sci_addr[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Logical address for science data transmit (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0065 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Logical address for science data transmit ; initialization Value (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_wait_watchdog[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Tag wait watchdog value (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0071 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Tag wait watchdog value ; initialization Value (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • tx_leading_cell[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: tx latest leading edge fine (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0054-0056 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Latest Leading Start Time Tag-acquired leading start time tag value (paired with trailing start time time tag value) cell counts (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • atm_rw_start_reg_w[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: Atmospheric Weak Range Window Start Reg (Type is String)
          • units: clock cycles (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0091-0093 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the transmit pulse and the start of the Atmospheric range window for the weak spot. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • atm_rw_width_reg_s[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Atmospheric Strong Range Window Width Reg (Type is String)
          • units: clock cycles (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0084-0085 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the Atmospheric range window start and range window stop for the strong spot. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via Time Tagging (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • alt_debug_reg[ 0..21149] [ 0..3] (Type is Byte)
        • attributes
          • long_name: Debug Control Register (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0096-0099 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Debug Control Register (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_cal_interval[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Calibration request interval from TDC (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0068 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Calibration request interval from TDC (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_edac_status[ 0..21149] [ 0..3] (Type is Byte)
        • attributes
          • long_name: EDAC Status Bits (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 102-105 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: EDAC Status Bits. Defined in ATLAS MEB PCE DFC FPGA Specification, ICESat-2-MEB-SPEC-0875, section 5.12 (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_cal_rise[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • units: counts (Type is String)
          • long_name: Altimetric Latest Calibration Rising (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0050-0051 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The PCE latest calibration value for the rising edge (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • pce_mframe_cnt[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: PCE Major frame counter (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0030-0033 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_imet_at_first_t0[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is Int64)
        • attributes
          • long_name: IMET at first T0 after 1 pps (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0022-0027 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight s/w 25 MHz IMET counter value when 1PPS is received (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_last_opcode[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Last Opcode Received (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0064 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Indicates the last good opcode received prior to the Major Frame Packet being transmitted; 0xFF indicates an error condition of either protocol ID mismatch, invalid opcode, or invalid length (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_rw_width_reg_w[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Altimetric Weak Range Window Width Reg (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0089-0090 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Value of register set in initialization command for the number of 10ns ticks between the range window start and range window stop for the weak spot. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_1pps_count[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: MET 1pps counter (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0012-0015 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight s/w 1PPS counter (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_dfc_status[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: DFC Status Bits (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0111 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: DFC Status Bits. Defined in ATLAS MEB PCE DFC FPGA Specification, ICESat-2-MEB-SPEC-0875, section 5.12 (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_cal_fall[ /atlas/pce3/dfc_hk/delta_time= 0..21149] (Type is UInt16)
        • attributes
          • long_name: Altimetric Latest Calibration Falling (Type is String)
          • units: counts (Type is String)
          • source: APID 1072, 1088, 1104 Byte 0052-0053 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The PCE latest calibration value for the falling edge. (not EU-converted) (Type is String)
          • coordinates: delta_time (Type is String)
    • algorithm_science(Type is Group)
      • attributes
        • Description: The PCE PMF Algorithm Science data group. Contains outputs from the onboard receiver algorithm software. (Type is String)
        • data_rate: Data within this group are stored at the data rate of the source PCE Altimetric Data Packets. (nominally fifty per second.) (Type is String)
      Dimensions: [ /atlas/pce3/algorithm_science/delta_time = 0..21149 ] [ /atlas/pce3/algorithm_science/ds_4bytes = 0..3 ] [ /atlas/pce3/algorithm_science/ds_2samples = 0..1 ]
      • useflag[ /atlas/pce3/algorithm_science/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Science Mode Flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_alt_sci/ (Type is String)
          • valid_min: 0 (Type is Byte)
          • valid_max: 15 (Type is Byte)
          • contentType: referenceInformation (Type is String)
          • description: Science Mode Flag. Used by ATL03 to discard non-science mode data. 0=stby, 1=science_mode, 2=test, 3=manual, 4=radio, 5=unknown, > 10=amcs_not_normal (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: stby science test manual radio unknown unused unused unused unused stby_alt_amcs science_alt_amcs test_alt_amcs manual_alt_amcs radio_alt_amcs unknown_alt_amcs (Type is String)
          • flag_values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 (Type is Byte)
      • ds_4bytes[ /atlas/pce3/algorithm_science/ds_4bytes= 0..3] (Type is Int8)
        • attributes
          • long_name: DS for 4 bytes (Type is String)
          • units: 1 (Type is String)
          • source: Dimension Scale (Type is String)
          • valid_min: 1 (Type is Int8)
          • valid_max: 4 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: Dimension scale for an array of 4 bytes. (Type is String)
      • alt_band_channel_mask[ /atlas/pce3/algorithm_science/delta_time= 0..21149] [ /atlas/pce3/algorithm_science/ds_4bytes= 0..3] (Type is UInt32)
        • attributes
          • long_name: Band Channel Mask (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight software Band Channel Mask. (Bands 1-4) (Type is String)
          • coordinates: delta_time (Type is String)
      • gps_time[ /atlas/pce3/algorithm_science/delta_time= 0..21149] (Type is Float64)
        • attributes
          • long_name: GPS seconds at the Major Frame (Type is String)
          • units: seconds (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: GPS seconds at the Major Frame (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_band_mask[ /atlas/pce3/algorithm_science/delta_time= 0..21149] [ /atlas/pce3/algorithm_science/ds_4bytes= 0..3] (Type is Byte)
        • attributes
          • long_name: Band Mask (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight software Band Mask. Each byte corresponds to a single Band, in the order of 1-4. (Type is String)
          • coordinates: delta_time (Type is String)
      • amet_time[ /atlas/pce3/algorithm_science/delta_time= 0..21149] (Type is Float64)
        • attributes
          • long_name: AMET seconds at the Major Frame (Type is String)
          • units: seconds (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: AMET seconds at the Major Frame (Type is String)
          • coordinates: delta_time (Type is String)
      • ds_2samples[ /atlas/pce3/algorithm_science/ds_2samples= 0..1] (Type is Int8)
        • attributes
          • long_name: DS for 2 bytes (Type is String)
          • units: 1 (Type is String)
          • source: Dimension Scale (Type is String)
          • valid_min: 1 (Type is Int8)
          • valid_max: 2 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: Dimension scale for an array of 2 samples. (Type is String)
      • delta_time[ /atlas/pce3/algorithm_science/delta_time= 0..21149] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The time of the first TX pulse in the major frame, relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • pce_mframe_cnt[ /atlas/pce3/algorithm_science/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: PCE Major frame counter (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. (Type is String)
          • coordinates: delta_time (Type is String)
      • alt_nbands[ /atlas/pce3/algorithm_science/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Number of bands (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight software Number of bands. (Type is String)
          • coordinates: delta_time (Type is String)
      • weak(Type is Group)
        • attributes
          • Description: The PCE PMF Algorithm Science data group. Contains outputs from the onboard receiver algorithm software. (Type is String)
          • data_rate: Data within this group are stored at the data rate of the source PCE Altimetric Data Packets. (nominally fifty per second.) (Type is String)
        • alt_error_flags[ /atlas/pce3/algorithm_science/delta_time= 0..21149] [ /atlas/pce3/algorithm_science/ds_2samples= 0..1] (Type is Byte)
          • attributes
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: FSW error flags (Type is String)
            • coordinates: ../delta_time (Type is String)
            • long_name: Error Flags (Type is String)
            • units: counts (Type is String)
        • daynight_flag[ /atlas/pce3/algorithm_science/delta_time= 0..21149] (Type is Byte)
          • attributes
            • long_name: Day/Night flag (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • valid_min: 0 (Type is Byte)
            • valid_max: 1 (Type is Byte)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight software Day/Night Flag associated with the major frame. 0= day, 1 =night. Based on an algorithm determination of the background rate, not on the actual position of the sun. (Type is String)
            • coordinates: ../delta_time (Type is String)
            • flag_meanings: day night (Type is String)
            • flag_values: 0, 1 (Type is Byte)
        • decisionflags[ /atlas/pce3/algorithm_science/delta_time= 0..21149] [ /atlas/pce3/algorithm_science/ds_4bytes= 0..3] (Type is Byte)
          • attributes
            • long_name: Decision Flags (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight s/w Decision Flags associated with the major frame. indication if there was an error or if no science data is sent and why (Type is String)
            • coordinates: ../delta_time (Type is String)
        • flywheel[ /atlas/pce3/algorithm_science/delta_time= 0..21149] (Type is Byte)
          • attributes
            • long_name: Flywheel (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight software Flywheel associated with the major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • signalflags[ /atlas/pce3/algorithm_science/delta_time= 0..21149] (Type is Byte)
          • attributes
            • long_name: Signal Found Flags (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight s/w signal event flags associated with the major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
      • strong(Type is Group)
        • attributes
          • Description: The PCE PMF Algorithm Science data group. Contains outputs from the onboard receiver algorithm software. (Type is String)
          • data_rate: Data within this group are stored at the data rate of the source PCE Altimetric Data Packets. (nominally fifty per second.) (Type is String)
        • alt_error_flags[ /atlas/pce3/algorithm_science/delta_time= 0..21149] [ /atlas/pce3/algorithm_science/ds_2samples= 0..1] (Type is Byte)
          • attributes
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: FSW error flags (Type is String)
            • coordinates: ../delta_time (Type is String)
            • long_name: Error Flags (Type is String)
            • units: counts (Type is String)
        • daynight_flag[ /atlas/pce3/algorithm_science/delta_time= 0..21149] (Type is Byte)
          • attributes
            • long_name: Day/Night flag (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • valid_min: 0 (Type is Byte)
            • valid_max: 1 (Type is Byte)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight software Day/Night Flag associated with the major frame. 0= day, 1 =night. Based on an algorithm determination of the background rate, not on the actual position of the sun. (Type is String)
            • coordinates: ../delta_time (Type is String)
            • flag_meanings: day night (Type is String)
            • flag_values: 0, 1 (Type is Byte)
        • decisionflags[ /atlas/pce3/algorithm_science/delta_time= 0..21149] [ /atlas/pce3/algorithm_science/ds_4bytes= 0..3] (Type is Byte)
          • attributes
            • long_name: Decision Flags (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight s/w Decision Flags associated with the major frame. indication if there was an error or if no science data is sent and why (Type is String)
            • coordinates: ../delta_time (Type is String)
        • flywheel[ /atlas/pce3/algorithm_science/delta_time= 0..21149] (Type is Byte)
          • attributes
            • long_name: Flywheel (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight software Flywheel associated with the major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • signalflags[ /atlas/pce3/algorithm_science/delta_time= 0..21149] (Type is Byte)
          • attributes
            • long_name: Signal Found Flags (Type is String)
            • units: counts (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: ATLAS flight s/w signal event flags associated with the major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
    • altimetry(Type is Group)
      • attributes
        • Description: The PCE Altimetry Science Packet data common to both beams (PCEx_ALT_SCI_TLM_MID in APID 1254, 1264, 1274 sequence flag 01 (once per major frame). (see ICESat-2-MEB-SPEC-0875, section 5.12, Spacewire: Major Frame Packet Data Format (Type is String)
        • data_rate: Data within this group are stored at the data rate of the source PCE Altimetric Data Packets. (nominally fifty per second.) (Type is String)
      Dimensions: [ /atlas/pce3/altimetry/delta_time = 0..21149 ] [ /atlas/pce3/altimetry/ds_weak_channel_index = 0..3 ] [ /atlas/pce3/altimetry/ds_strong_channel_index = 0..15 ] [ /atlas/pce3/altimetry/ds_hist = 0..198 ]
      • cal_rise_sm[ /atlas/pce3/altimetry/delta_time= 0..21149] (Type is Float32)
        • attributes
          • long_name: Altimetric Latest Calibration Rising (Type is String)
          • units: seconds/cell (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The smoothed, calibrated value for the rising edge used to convert cell counts to units of time. time per cell count based on USO for each PCE. (Type is String)
          • coordinates: delta_time (Type is String)
      • useflag[ /atlas/pce3/altimetry/delta_time= 0..21149] (Type is Byte)
        • attributes
          • long_name: Science Mode Flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_alt_sci/ (Type is String)
          • valid_min: 0 (Type is Byte)
          • valid_max: 15 (Type is Byte)
          • contentType: referenceInformation (Type is String)
          • description: Science Mode Flag. Used by ATL03 to discard non-science mode data. 0=stby, 1=science_mode, 2=test, 3=manual, 4=radio, 5=unknown, > 10=amcs_not_normal (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: stby science test manual radio unknown unused unused unused unused stby_alt_amcs science_alt_amcs test_alt_amcs manual_alt_amcs radio_alt_amcs unknown_alt_amcs (Type is String)
          • flag_values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 (Type is Byte)
      • n_bands[ /atlas/pce3/altimetry/delta_time= 0..21149] (Type is Int8)
        • attributes
          • long_name: Number Downlink Bands (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_alt_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Number of bands (in addition to the nominal 1 band) selected for downlink. (Type is String)
          • coordinates: delta_time (Type is String)
      • ch_mask_w[ /atlas/pce3/altimetry/delta_time= 0..21149] [ /atlas/pce3/altimetry/ds_weak_channel_index= 0..3] (Type is Int8)
        • attributes
          • long_name: Channel Mask Weak (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_alt_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Channel Mask for DLBOs. The 4 flags are a logical OR of the two band offset masks for weak beam (Type is String)
          • coordinates: delta_time (Type is String)
      • ch_mask_s[ /atlas/pce3/altimetry/delta_time= 0..21149] [ /atlas/pce3/altimetry/ds_strong_channel_index= 0..15] (Type is Int8)
        • attributes
          • long_name: Channel Mask Strong (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_alt_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Channel Mask for DLBOs. The 16 flags are a logical OR of the two band offset masks for strong beam (Type is String)
          • coordinates: delta_time (Type is String)
      • ds_hist[ /atlas/pce3/altimetry/ds_hist= 0..198] (Type is Float32)
        • attributes
          • long_name: Histogram Dimension Scale (Type is String)
          • units: seconds (Type is String)
          • source: ATL02 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Relative bin values of windowed, peak-centered TOF histograms. Peak value = 0 (Type is String)
      • cal_fall_sm[ /atlas/pce3/altimetry/delta_time= 0..21149] (Type is Float32)
        • attributes
          • long_name: Altimetric Latest Calibration Falling (Type is String)
          • units: seconds/cell (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The smoothed, calibrated value for the falling edge used to convert cell counts to units of time. time per cell count based on USO for each PCE. (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/pce3/altimetry/delta_time= 0..21149] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The time of the first TX pulse in the major frame, relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • pce_mframe_cnt[ /atlas/pce3/altimetry/delta_time= 0..21149] (Type is UInt32)
        • attributes
          • long_name: PCE Major frame counter (Type is String)
          • units: counts (Type is String)
          • source: ATL02 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID (Type is String)
          • coordinates: delta_time (Type is String)
      • ds_strong_channel_index[ /atlas/pce3/altimetry/ds_strong_channel_index= 0..15] (Type is Int8)
        • attributes
          • long_name: DS for Strong Channels (Type is String)
          • units: 1 (Type is String)
          • source: Dimension Scale (Type is String)
          • valid_min: 1 (Type is Int8)
          • valid_max: 16 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: Dimension scale for strong channels. (Type is String)
      • ds_weak_channel_index[ /atlas/pce3/altimetry/ds_weak_channel_index= 0..3] (Type is Int8)
        • attributes
          • long_name: DS for Weak Channels (Type is String)
          • units: 1 (Type is String)
          • source: Dimension Scale (Type is String)
          • valid_min: 1 (Type is Int8)
          • valid_max: 4 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: Dimension scale for weak channels. (Type is String)
      • weak(Type is Group)
        • attributes
          • Description: The PCE Altimetry Science Packet specific to a beam (PCEx_ALT_SCI_TLM_MID in APID 1254, 1264, 1274 sequence flag 01 (once per major frame). (see ICESat-2-MEB-SPEC-0875, section 5.12, Spacewire: Major Frame Packet Data Format (Type is String)
          • data_rate: Data within this group are stored at the data rate of the source PCE Altimetric Data Packets. (nominally fifty per second.) (Type is String)
        • band2_width[ /atlas/pce3/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band2 Width (Type is String)
            • units: seconds (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Width of downlink band2. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • band1_offset[ /atlas/pce3/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band1 Offset (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Downlink band offset (DLBO) for band1. (Type is String)
            • coordinates: ../delta_time (Type is String)
            • units: seconds (Type is String)
        • band1_width[ /atlas/pce3/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band1 Width (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Width of downlink band1. (Type is String)
            • coordinates: ../delta_time (Type is String)
            • units: seconds (Type is String)
        • alt_rw_width[ /atlas/pce3/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Altimetric Range Window Width (Type is String)
            • units: seconds (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science and L1B ATBD conversion (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: The number of seconds from the range window start and range window stop (Type is String)
            • coordinates: ../delta_time (Type is String)
        • hist[ /atlas/pce3/altimetry/delta_time= 0..21149] [ /atlas/pce3/altimetry/ds_hist= 0..198] (Type is Int32)
          • attributes
            • long_name: Center-aligned TOF Histogram (Type is String)
            • units: counts (Type is String)
            • source: ATL02 (Type is String)
            • contentType: qualityInformation (Type is String)
            • description: Per-major frame, peak-aligned, windowed time-of-flight histograms. (Type is String)
            • coordinates: ../ds_hist ../delta_time (Type is String)
        • alt_rw_start[ /atlas/pce3/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Altimetric Range Window Start (Type is String)
            • units: seconds (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science and L1B ATBD conversion (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: The number of seconds between the transmit pulse and the start of the altimetric range window for the beam (Type is String)
            • coordinates: ../delta_time (Type is String)
        • band2_offset[ /atlas/pce3/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band2 Offset (Type is String)
            • units: seconds (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Downlink band offset (DLBO) for band2. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • n_mf_ph[ /atlas/pce3/altimetry/delta_time= 0..21149] (Type is Int32)
          • attributes
            • long_name: Number of photons (Type is String)
            • units: counts (Type is String)
            • source: Derived (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Number of photons within each major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • ph_ndx_beg[ /atlas/pce3/altimetry/delta_time= 0..21149] (Type is Int64)
          • attributes
            • long_name: Photon Index Begin (Type is String)
            • units: counts (Type is String)
            • source: Derived (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Index (1-based) within the photon-rate data of the first photon within each major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • photons(Type is Group)
          • attributes
            • Description: Group contains the PCE Altimetric received photon event (ph) decommutated data and its matching Transmit time tag data. Note the Transmit time tag data are repeated for each received photon event. Data is from Altimetry Science Packet (alt_sci_tlm) APID 1254, 1264, 1274 with Sequence Flag = 0 or 2. See ICESat-2-MEB-SPEC-0875, section 5.12, SPACEWIRE: TIME TAG SCIENCE DATA FORMAT (Type is String)
            • data_rate: Data within this group are stored at the data rate of the source photon events. (varies by detection; nominal value is sixty thousand per second, derived from laser_rate * photons_per_shot * beams_per_pce; where laser_rate=10000, photons_per_shot=3, beams_per_pce=2.) (Type is String)
          Dimensions: [ /atlas/pce3/altimetry/weak/photons/delta_time = 0..6922634 ]
          • tof_flag[ /atlas/pce3/altimetry/weak/photons/delta_time= 0..6922634] (Type is Int8)
            • attributes
              • long_name: TOF Flag (Type is String)
              • units: counts (Type is String)
              • source: L1B ATBD Sect 2.5.4 (Type is String)
              • valid_min: 1 (Type is Int8)
              • valid_max: 18 (Type is Int8)
              • contentType: referenceInformation (Type is String)
              • description: Time Of Flight center correction flag. Values indicate what components were used to adjust the TOF to the centroid of the Tx pulse, based on the alignment of Tx components across all 3 PCEs. 1=LL_LU_TU_TL; 2=LL_TU_TL; 3=LL_LU_TL; 4=LL_LU_TU; 5=LL_TL; 6=LL_TU; 7=LL_LU; 8=LL. Values greater than 10 indicate the same sequence of conditions indicated for a potential TEP photon. (Type is String)
              • coordinates: delta_time (Type is String)
              • flag_meanings: LL_LU_TU_TL LL_TU_TL LL_LU_TL LL_LU_TU LL_TL LL_TU LL_LU LL TEP_LL_LU_TU_TL TEP_LL_TU_TL TEP_LL_LU_TL TEP_LL_LU_TU TEP_LL_TL TEP_LL_TU TEP_LL_LU TEP_LL (Type is String)
              • flag_values: 1, 2, 3, 4, 5, 6, 7, 8, 11, 12, 13, 14, 15, 16, 17, 18 (Type is Int8)
          • ph_id_count[ /atlas/pce3/altimetry/weak/photons/delta_time= 0..6922634] (Type is Byte)
            • attributes
              • long_name: photon event counter (Type is String)
              • units: counts (Type is String)
              • source: Derived as part of Photon ID (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: photon event counter is part of photon ID and will count from 1 for each channel until reset by laser pulse counter. If ph_id_count is 0, then there was a transmit pulse without any received photons. In this case, the transmit portion of the alt_science packet is valid, but the receive portion is all 0s and should not be used. (Type is String)
              • coordinates: delta_time (Type is String)
          • ph_tof[ /atlas/pce3/altimetry/weak/photons/delta_time= 0..6922634] (Type is Float64)
            • attributes
              • long_name: Time of Flight (Type is String)
              • source: ATL02 ATBD (Type is String)
              • contentType: physicalMeasurement (Type is String)
              • description: Time of flight (TOF); the round trip time in seconds of the received photon relative to the beam's zero range point (ZRP). Computed from the Transmit (Tx) and Receive (Rx) Time-of-flight components and then calibrated to the centroid of the transmit pulse. (Type is String)
              • coordinates: delta_time (Type is String)
              • units: seconds (Type is String)
          • tx_other_tof[ /atlas/pce3/altimetry/weak/photons/delta_time= 0..6922634] (Type is Float32)
            • attributes
              • long_name: Other Transmit Time from LL (Type is String)
              • units: seconds (Type is String)
              • source: ATL01/atlas/pcex/a_alt_science_ph TX data L1B ATBD section tof (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: Time of flight from the PCE-specific leading-lower (LL) threshold (tx_ll_tof) to the detected other transmit pulse edge. For PCE1, this is the time from the PCE1 LL to the Transmit Leading Upper edge (LU) threshold; for PCE2, this is the time from the PCE2 LL to the Transmit Trailing Upper edge (TU) threshold; and for PCE3, this is the time from the PCE3 LL to the Transmit Trailing Lower edge (TL) threshold. (Type is String)
              • coordinates: delta_time (Type is String)
          • ph_id_pulse[ /atlas/pce3/altimetry/weak/photons/delta_time= 0..6922634] (Type is Byte)
            • attributes
              • long_name: laser pulse counter (Type is String)
              • units: counts (Type is String)
              • source: Derived as part of Photon ID (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: laser pulse counter is part of photon ID and will count from 1 to 200 and reset for each new major frame (major_fram_id). If the corresponding ph_id_count is 0, then there was a transmit pulse without any received photons. (Type is String)
              • coordinates: delta_time (Type is String)
          • rx_band_id[ /atlas/pce3/altimetry/weak/photons/delta_time= 0..6922634] (Type is Int8)
            • attributes
              • long_name: rx downlink band id (Type is String)
              • units: counts (Type is String)
              • source: ATL01/atlas/pcex/a_alt_science_ph RX data (Type is String)
              • valid_min: 0 (Type is Int8)
              • valid_max: 1 (Type is Int8)
              • contentType: referenceInformation (Type is String)
              • description: Flag to indicate downlink band id associated with the received rx_tof (received photon event). A value of 0 indicates the photon corresponds to band1; A value of 1 indicates the photon corresponds to band2. Corresponding parameters are band_width, band_offset and band_eventcount. (Type is String)
              • coordinates: delta_time (Type is String)
              • flag_meanings: band1 band2 (Type is String)
              • flag_values: 0, 1 (Type is Int8)
          • ph_id_channel[ /atlas/pce3/altimetry/weak/photons/delta_time= 0..6922634] (Type is Byte)
            • attributes
              • long_name: Receive channel id (Type is String)
              • units: 1 (Type is String)
              • source: Derived as part of Photon ID (Type is String)
              • valid_min: 1 (Type is Byte)
              • valid_max: 120 (Type is Byte)
              • contentType: referenceInformation (Type is String)
              • description: Channel number assigned for each received photon event. This is part of the photon ID. Values range from 1 to 120 to span all channels and rise/fall edges. Values 1 to 60 are for falling edge; PCE1 (1 to 20), PCE 2 (21 to 40) and PCE3 (41 to 60). Values 61 to 120 are for rising edge; PCE1 (61 to 80), PCE 2 (81 to 100) and PC3 (101 to 120). (Type is String)
              • coordinates: delta_time (Type is String)
          • tx_ll_tof[ /atlas/pce3/altimetry/weak/photons/delta_time= 0..6922634] (Type is Float32)
            • attributes
              • long_name: Transmit LL time from T0 (Type is String)
              • units: seconds (Type is String)
              • source: ATL01/atlas/pcex/a_alt_science_ph TX data L1B ATBD section tof (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: Transmit (Tx) Leading Lower (LL) time of flight (TOF); the round trip time in seconds from the detected lower leading edge of the transmit pulse relative to the ATLAS T0. Includes all calibrations of coarse and fine counts. (Type is String)
              • coordinates: delta_time (Type is String)
          • delta_time[ /atlas/pce3/altimetry/weak/photons/delta_time= 0..6922634] (Type is Float64)
            • attributes
              • long_name: Elapsed GPS seconds (Type is String)
              • standard_name: time (Type is String)
              • units: seconds since 2018-01-01 (Type is String)
              • source: Derived via L1B ATBD (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: The Time of Day for the specific Transmit (TX) pulse associated with the Received (RX) event. (see L1B ATBD section 5 time of flight), relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
          • pce_mframe_cnt[ /atlas/pce3/altimetry/weak/photons/delta_time= 0..6922634] (Type is UInt32)
            • attributes
              • long_name: PCE Major frame counter (Type is String)
              • units: counts (Type is String)
              • source: Retained from latest a_alt_science packet (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID (Type is String)
              • coordinates: delta_time (Type is String)
      • strong(Type is Group)
        • attributes
          • Description: The PCE Altimetry Science Packet specific to a beam (PCEx_ALT_SCI_TLM_MID in APID 1254, 1264, 1274 sequence flag 01 (once per major frame). (see ICESat-2-MEB-SPEC-0875, section 5.12, Spacewire: Major Frame Packet Data Format (Type is String)
          • data_rate: Data within this group are stored at the data rate of the source PCE Altimetric Data Packets. (nominally fifty per second.) (Type is String)
        • band2_width[ /atlas/pce3/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band2 Width (Type is String)
            • units: seconds (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Width of downlink band2. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • band1_offset[ /atlas/pce3/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band1 Offset (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Downlink band offset (DLBO) for band1. (Type is String)
            • coordinates: ../delta_time (Type is String)
            • units: seconds (Type is String)
        • band1_width[ /atlas/pce3/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band1 Width (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Width of downlink band1. (Type is String)
            • coordinates: ../delta_time (Type is String)
            • units: seconds (Type is String)
        • alt_rw_width[ /atlas/pce3/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Altimetric Range Window Width (Type is String)
            • units: seconds (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science and L1B ATBD conversion (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: The number of seconds from the range window start and range window stop (Type is String)
            • coordinates: ../delta_time (Type is String)
        • hist[ /atlas/pce3/altimetry/delta_time= 0..21149] [ /atlas/pce3/altimetry/ds_hist= 0..198] (Type is Int32)
          • attributes
            • long_name: Center-aligned TOF Histogram (Type is String)
            • units: counts (Type is String)
            • source: ATL02 (Type is String)
            • contentType: qualityInformation (Type is String)
            • description: Per-major frame, peak-aligned, windowed time-of-flight histograms. (Type is String)
            • coordinates: ../ds_hist ../delta_time (Type is String)
        • alt_rw_start[ /atlas/pce3/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Altimetric Range Window Start (Type is String)
            • units: seconds (Type is String)
            • source: ATL01/atlas/pcex/a_pmf_algorithm_science and L1B ATBD conversion (Type is String)
            • contentType: referenceInformation (Type is String)
            • description: The number of seconds between the transmit pulse and the start of the altimetric range window for the beam (Type is String)
            • coordinates: ../delta_time (Type is String)
        • band2_offset[ /atlas/pce3/altimetry/delta_time= 0..21149] (Type is Float32)
          • attributes
            • long_name: Band2 Offset (Type is String)
            • units: seconds (Type is String)
            • source: L1A ATBD (Type is String)
            • contentType: physicalMeasurement (Type is String)
            • description: Downlink band offset (DLBO) for band2. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • n_mf_ph[ /atlas/pce3/altimetry/delta_time= 0..21149] (Type is Int32)
          • attributes
            • long_name: Number of photons (Type is String)
            • units: counts (Type is String)
            • source: Derived (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Number of photons within each major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • ph_ndx_beg[ /atlas/pce3/altimetry/delta_time= 0..21149] (Type is Int64)
          • attributes
            • long_name: Photon Index Begin (Type is String)
            • units: counts (Type is String)
            • source: Derived (Type is String)
            • contentType: auxiliaryInformation (Type is String)
            • description: Index (1-based) within the photon-rate data of the first photon within each major frame. (Type is String)
            • coordinates: ../delta_time (Type is String)
        • photons(Type is Group)
          • attributes
            • Description: Group contains the PCE Altimetric received photon event (ph) decommutated data and its matching Transmit time tag data. Note the Transmit time tag data are repeated for each received photon event. Data is from Altimetry Science Packet (alt_sci_tlm) APID 1254, 1264, 1274 with Sequence Flag = 0 or 2. See ICESat-2-MEB-SPEC-0875, section 5.12, SPACEWIRE: TIME TAG SCIENCE DATA FORMAT (Type is String)
            • data_rate: Data within this group are stored at the data rate of the source photon events. (varies by detection; nominal value is sixty thousand per second, derived from laser_rate * photons_per_shot * beams_per_pce; where laser_rate=10000, photons_per_shot=3, beams_per_pce=2.) (Type is String)
          Dimensions: [ /atlas/pce3/altimetry/strong/photons/delta_time = 0..11252816 ]
          • tof_flag[ /atlas/pce3/altimetry/strong/photons/delta_time= 0..11252816] (Type is Int8)
            • attributes
              • long_name: TOF Flag (Type is String)
              • units: counts (Type is String)
              • source: L1B ATBD Sect 2.5.4 (Type is String)
              • valid_min: 1 (Type is Int8)
              • valid_max: 18 (Type is Int8)
              • contentType: referenceInformation (Type is String)
              • description: Time Of Flight center correction flag. Values indicate what components were used to adjust the TOF to the centroid of the Tx pulse, based on the alignment of Tx components across all 3 PCEs. 1=LL_LU_TU_TL; 2=LL_TU_TL; 3=LL_LU_TL; 4=LL_LU_TU; 5=LL_TL; 6=LL_TU; 7=LL_LU; 8=LL. Values greater than 10 indicate the same sequence of conditions indicated for a potential TEP photon. (Type is String)
              • coordinates: delta_time (Type is String)
              • flag_meanings: LL_LU_TU_TL LL_TU_TL LL_LU_TL LL_LU_TU LL_TL LL_TU LL_LU LL TEP_LL_LU_TU_TL TEP_LL_TU_TL TEP_LL_LU_TL TEP_LL_LU_TU TEP_LL_TL TEP_LL_TU TEP_LL_LU TEP_LL (Type is String)
              • flag_values: 1, 2, 3, 4, 5, 6, 7, 8, 11, 12, 13, 14, 15, 16, 17, 18 (Type is Int8)
          • ph_id_count[ /atlas/pce3/altimetry/strong/photons/delta_time= 0..11252816] (Type is Byte)
            • attributes
              • long_name: photon event counter (Type is String)
              • units: counts (Type is String)
              • source: Derived as part of Photon ID (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: photon event counter is part of photon ID and will count from 1 for each channel until reset by laser pulse counter. If ph_id_count is 0, then there was a transmit pulse without any received photons. In this case, the transmit portion of the alt_science packet is valid, but the receive portion is all 0s and should not be used. (Type is String)
              • coordinates: delta_time (Type is String)
          • ph_tof[ /atlas/pce3/altimetry/strong/photons/delta_time= 0..11252816] (Type is Float64)
            • attributes
              • long_name: Time of Flight (Type is String)
              • source: ATL02 ATBD (Type is String)
              • contentType: physicalMeasurement (Type is String)
              • description: Time of flight (TOF); the round trip time in seconds of the received photon relative to the beam's zero range point (ZRP). Computed from the Transmit (Tx) and Receive (Rx) Time-of-flight components and then calibrated to the centroid of the transmit pulse. (Type is String)
              • coordinates: delta_time (Type is String)
              • units: seconds (Type is String)
          • tx_other_tof[ /atlas/pce3/altimetry/strong/photons/delta_time= 0..11252816] (Type is Float32)
            • attributes
              • long_name: Other Transmit Time from LL (Type is String)
              • units: seconds (Type is String)
              • source: ATL01/atlas/pcex/a_alt_science_ph TX data L1B ATBD section tof (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: Time of flight from the PCE-specific leading-lower (LL) threshold (tx_ll_tof) to the detected other transmit pulse edge. For PCE1, this is the time from the PCE1 LL to the Transmit Leading Upper edge (LU) threshold; for PCE2, this is the time from the PCE2 LL to the Transmit Trailing Upper edge (TU) threshold; and for PCE3, this is the time from the PCE3 LL to the Transmit Trailing Lower edge (TL) threshold. (Type is String)
              • coordinates: delta_time (Type is String)
          • ph_id_pulse[ /atlas/pce3/altimetry/strong/photons/delta_time= 0..11252816] (Type is Byte)
            • attributes
              • long_name: laser pulse counter (Type is String)
              • units: counts (Type is String)
              • source: Derived as part of Photon ID (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: laser pulse counter is part of photon ID and will count from 1 to 200 and reset for each new major frame (major_fram_id). If the corresponding ph_id_count is 0, then there was a transmit pulse without any received photons. (Type is String)
              • coordinates: delta_time (Type is String)
          • rx_band_id[ /atlas/pce3/altimetry/strong/photons/delta_time= 0..11252816] (Type is Int8)
            • attributes
              • long_name: rx downlink band id (Type is String)
              • units: counts (Type is String)
              • source: ATL01/atlas/pcex/a_alt_science_ph RX data (Type is String)
              • valid_min: 0 (Type is Int8)
              • valid_max: 1 (Type is Int8)
              • contentType: referenceInformation (Type is String)
              • description: Flag to indicate downlink band id associated with the received rx_tof (received photon event). A value of 0 indicates the photon corresponds to band1; A value of 1 indicates the photon corresponds to band2. Corresponding parameters are band_width, band_offset and band_eventcount. (Type is String)
              • coordinates: delta_time (Type is String)
              • flag_meanings: band1 band2 (Type is String)
              • flag_values: 0, 1 (Type is Int8)
          • ph_id_channel[ /atlas/pce3/altimetry/strong/photons/delta_time= 0..11252816] (Type is Byte)
            • attributes
              • long_name: Receive channel id (Type is String)
              • units: 1 (Type is String)
              • source: Derived as part of Photon ID (Type is String)
              • valid_min: 1 (Type is Byte)
              • valid_max: 120 (Type is Byte)
              • contentType: referenceInformation (Type is String)
              • description: Channel number assigned for each received photon event. This is part of the photon ID. Values range from 1 to 120 to span all channels and rise/fall edges. Values 1 to 60 are for falling edge; PCE1 (1 to 20), PCE 2 (21 to 40) and PCE3 (41 to 60). Values 61 to 120 are for rising edge; PCE1 (61 to 80), PCE 2 (81 to 100) and PC3 (101 to 120). (Type is String)
              • coordinates: delta_time (Type is String)
          • tx_ll_tof[ /atlas/pce3/altimetry/strong/photons/delta_time= 0..11252816] (Type is Float32)
            • attributes
              • long_name: Transmit LL time from T0 (Type is String)
              • units: seconds (Type is String)
              • source: ATL01/atlas/pcex/a_alt_science_ph TX data L1B ATBD section tof (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: Transmit (Tx) Leading Lower (LL) time of flight (TOF); the round trip time in seconds from the detected lower leading edge of the transmit pulse relative to the ATLAS T0. Includes all calibrations of coarse and fine counts. (Type is String)
              • coordinates: delta_time (Type is String)
          • delta_time[ /atlas/pce3/altimetry/strong/photons/delta_time= 0..11252816] (Type is Float64)
            • attributes
              • long_name: Elapsed GPS seconds (Type is String)
              • standard_name: time (Type is String)
              • units: seconds since 2018-01-01 (Type is String)
              • source: Derived via L1B ATBD (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: The Time of Day for the specific Transmit (TX) pulse associated with the Received (RX) event. (see L1B ATBD section 5 time of flight), relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
          • pce_mframe_cnt[ /atlas/pce3/altimetry/strong/photons/delta_time= 0..11252816] (Type is UInt32)
            • attributes
              • long_name: PCE Major frame counter (Type is String)
              • units: counts (Type is String)
              • source: Retained from latest a_alt_science packet (Type is String)
              • contentType: referenceInformation (Type is String)
              • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID (Type is String)
              • coordinates: delta_time (Type is String)
    • atmosphere_s(Type is Group)
      • attributes
        • Description: Contains parameters relating to the PCE Atmospheric Data Histograms. Normally 25 hz. (APID 1255, 1259, 1265, 1269, 1275, 1279). P1 S,P1 W, P2 S, P2 W, P3 S, P3 W. (Type is String)
        • data_rate: Data in this group is stored at a 25hz (25 per second) rate. (Type is String)
      Dimensions: [ /atlas/pce3/atmosphere_s/delta_time = 0..10574 ] [ /atlas/pce3/atmosphere_s/ds_hist_bin_index = 0..466 ]
      • atm_rw_start[ /atlas/pce3/atmosphere_s/delta_time= 0..10574] (Type is Float32)
        • attributes
          • long_name: Atmospheric Range Window Start (Type is String)
          • units: seconds (Type is String)
          • source: ATL01/atlas/pcex/a_atm_hist_x and L1B ATBD section ATM (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The number of seconds between the transmit pulse and the start of the Atmospheric range window (Type is String)
          • coordinates: delta_time (Type is String)
      • atm_rw_width[ /atlas/pce3/atmosphere_s/delta_time= 0..10574] (Type is Float32)
        • attributes
          • long_name: Atmospheric Range Window Width (Type is String)
          • units: seconds (Type is String)
          • source: ATL01/atlas/pcex/a_atm_hist_x and L1B ATBD section ATM (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The number of seconds from the Atmospheric range window start and range window stop. (Type is String)
          • coordinates: delta_time (Type is String)
      • atm_shift_amount[ /atlas/pce3/atmosphere_s/delta_time= 0..10574] (Type is Int16)
        • attributes
          • units: counts (Type is String)
          • long_name: Atmospheric Range Window Shift (Type is String)
          • source: ATL01/atlas/pcex/a_atm_hist_x and L1B ATBD section ATM (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The number of bins the range window start of one of the histograms was shifted to align them before they are added together. (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/pce3/atmosphere_s/delta_time= 0..10574] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The time of the first TX pulse in major frame, relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • ds_hist_bin_index[ /atlas/pce3/atmosphere_s/ds_hist_bin_index= 0..466] (Type is Int16)
        • attributes
          • long_name: DS for ATM histogram bins (Type is String)
          • units: 1 (Type is String)
          • source: Dimension Scale (Type is String)
          • valid_min: 1 (Type is Int16)
          • valid_max: 467 (Type is Int16)
          • contentType: referenceInformation (Type is String)
          • description: Dimension scale for atmosphere histogram bins. (Type is String)
      • pce_mframe_cnt[ /atlas/pce3/atmosphere_s/delta_time= 0..10574] (Type is UInt32)
        • attributes
          • long_name: PCE Major frame counter (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_atm_hist_x (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Major Frame Counter - The major frame counter is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID (Type is String)
          • coordinates: delta_time (Type is String)
      • atm_bins[ /atlas/pce3/atmosphere_s/delta_time= 0..10574] [ /atlas/pce3/atmosphere_s/ds_hist_bin_index= 0..466] (Type is UInt16)
        • attributes
          • long_name: Atmospheric Science Histogram (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_atm_hist_x (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The histogram bins for the Atmospheric beam.Once every 400 shots ( laser pulses). Bin 1 (clouds) is nearest to spacecraft .Bin 467 is under ground. (Type is String)
          • coordinates: delta_time (Type is String)
      • useflag[ /atlas/pce3/atmosphere_s/delta_time= 0..10574] (Type is Byte)
        • attributes
          • long_name: Science Mode Flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_alt_sci/ (Type is String)
          • valid_min: 0 (Type is Byte)
          • valid_max: 15 (Type is Byte)
          • contentType: referenceInformation (Type is String)
          • description: Science Mode Flag. Used by ATL03 to discard non-science mode data. 0=stby, 1=science_mode, 2=test, 3=manual, 4=radio, 5=unknown, > 10=amcs_not_normal (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: stby science test manual radio unknown unused unused unused unused stby_alt_amcs science_alt_amcs test_alt_amcs manual_alt_amcs radio_alt_amcs unknown_alt_amcs (Type is String)
          • flag_values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 (Type is Byte)
    • pmf_hk(Type is Group)
      • attributes
        • Description: PCE Diagnostic Telemetry Packet from one of the following APIDs : 1073, 1089, 1105 (each APID is associated with a specific PCE). Packet Frequency is 1 Hertz. (Type is String)
      Dimensions: [ /atlas/pce3/pmf_hk/delta_time = 0..422 ]
      • activeknobstable[ /atlas/pce3/pmf_hk/delta_time= 0..422] (Type is Byte)
        • attributes
          • long_name: ActiveKnobsTable (Type is String)
          • units: counts (Type is String)
          • source: APID 1073, 1089, 1105 Byte 0037-0037 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The active knobs table. (Type is String)
          • coordinates: delta_time (Type is String)
      • autorestartdfccount[ /atlas/pce3/pmf_hk/delta_time= 0..422] (Type is UInt16)
        • attributes
          • long_name: AutoRestartDFCCount (Type is String)
          • units: counts (Type is String)
          • source: APID 1073, 1089, 1105 Byte 0090-0091 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Number of DFC Auto Restarts (Type is String)
          • coordinates: delta_time (Type is String)
      • cmd_err_cntr[ /atlas/pce3/pmf_hk/delta_time= 0..422] (Type is Byte)
        • attributes
          • long_name: cmd_err_cntr (Type is String)
          • units: counts (Type is String)
          • source: APID 1073, 1089, 1105 Byte 0012-0012 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Command error counter (Type is String)
          • coordinates: delta_time (Type is String)
      • cmd_suc_cntr[ /atlas/pce3/pmf_hk/delta_time= 0..422] (Type is Byte)
        • attributes
          • long_name: cmd_suc_cntr (Type is String)
          • units: counts (Type is String)
          • source: APID 1073, 1089, 1105 Byte 0013-0013 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Command success counter. (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/pce3/pmf_hk/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via Time Tagging (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • mode[ /atlas/pce3/pmf_hk/delta_time= 0..422] (Type is Byte)
        • attributes
          • long_name: Mode (Type is String)
          • units: counts (Type is String)
          • source: APID 1073, 1089, 1105 Byte 0036-0036 (Type is String)
          • valid_min: 0 (Type is Byte)
          • valid_max: 5 (Type is Byte)
          • contentType: referenceInformation (Type is String)
          • description: PCE Mode. 0=STBY; 1=Science; 2=Test; 3=Manual; 4=Radio; 5=Unknown (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: STBY Science Test Manual Radio Test (Type is String)
          • flag_values: 0, 1, 2, 3, 4, 5 (Type is Byte)
    • sxp_ssr_w(Type is Group)
      • attributes
        • Description: SBC Extrapolation Task telemetry containing Flight Science Receiver Algorithm team requested telemetry for the first set of PCE extrapolation data for a major frame.: lat, long, range, nadir angle, etc. (from APIDs 1152 thru 1157) (Type is String)
      Dimensions: [ /atlas/pce3/sxp_ssr_w/delta_time = 0..422 ] [ /atlas/pce3/sxp_ssr_w/ds_50samples = 0..49 ]
      • delta_time[ /atlas/pce3/sxp_ssr_w/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The time of the first TX pulse in the major frame, relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • ds_50samples[ /atlas/pce3/sxp_ssr_w/ds_50samples= 0..49] (Type is Int8)
        • attributes
          • long_name: DS for 50 bytes (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • valid_min: 1 (Type is Int8)
          • valid_max: 50 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: Dimension scale for an array of 50 samples. (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • latitude[ /atlas/pce3/sxp_ssr_w/delta_time= 0..422] [ /atlas/pce3/sxp_ssr_w/ds_50samples= 0..49] (Type is Float64)
        • attributes
          • long_name: latitude (Type is String)
          • units: degrees (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Latitude (Type is String)
          • coordinates: delta_time (Type is String)
      • longitude[ /atlas/pce3/sxp_ssr_w/delta_time= 0..422] [ /atlas/pce3/sxp_ssr_w/ds_50samples= 0..49] (Type is Float64)
        • attributes
          • long_name: longitude (Type is String)
          • units: degrees (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Longitude (Type is String)
          • coordinates: delta_time (Type is String)
      • mf_cosz[ /atlas/pce3/sxp_ssr_w/delta_time= 0..422] (Type is Float64)
        • attributes
          • long_name: First Major Frame cosZ (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Cosine of the solar zenith angle (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • pce_mframe_cnt[ /atlas/pce3/sxp_ssr_w/delta_time= 0..422] (Type is UInt32)
        • attributes
          • long_name: PCE Major frame counter (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • cosb[ /atlas/pce3/sxp_ssr_w/delta_time= 0..422] [ /atlas/pce3/sxp_ssr_w/ds_50samples= 0..49] (Type is Float64)
        • attributes
          • long_name: cosB (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Cosine of the off-nadir angle as calculated onboard from the spacecraft information (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
      • srm[ /atlas/pce3/sxp_ssr_w/delta_time= 0..422] [ /atlas/pce3/sxp_ssr_w/ds_50samples= 0..49] (Type is Byte)
        • attributes
          • long_name: srm (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/atlas/pcex/a_sxp_ssr (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Surface type, vegetation and coastline information from the SRM. (bit 0-1 = surface type (0=ocean, 1=land, 2=sea ice, 3=land ice). Bit 2 = vegetation present, Bit 3 = coastline present) (Type is String)
          • coordinates: delta_time latitude longitude (Type is String)
    • background(Type is Group)
      • attributes
        • Description: The background data is specific to each beam and reported at a 50-shot rate. (Type is String)
        • data_rate: Data within this group are stored at the data rate of the source PCE Altimetric Data Packets. (nominally fifty per second.) (Type is String)
      Dimensions: [ /atlas/pce3/background/delta_time = 0..84599 ]
      • bg_cnt_50shot_s[ /atlas/pce3/background/delta_time= 0..84599] (Type is UInt16)
        • attributes
          • units: counts (Type is String)
          • long_name: Strong background counts (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight s/w indicates for the beam the # of counted time tags (BackgroundCounts_50Shot) during the range windows associated with a set of 50 laser pulses of the major frame. (Type is String)
          • coordinates: delta_time (Type is String)
      • bg_cnt_50shot_w[ /atlas/pce3/background/delta_time= 0..84599] (Type is UInt16)
        • attributes
          • long_name: Weak background counts (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_pmf_algorithm_science (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: ATLAS flight s/w indicates for the beam the # of counted time tags (BackgroundCounts_50Shot) during the range windows associated with a set of 50 laser pulses of the major frame. (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /atlas/pce3/background/delta_time= 0..84599] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The time of the first TX pulse in the 50 laser pulses used for background, in seconds relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
          • coordinates: delta_time (Type is String)
      • pce_mframe_cnt[ /atlas/pce3/background/delta_time= 0..84599] (Type is UInt32)
        • attributes
          • long_name: PCE Major frame counter (Type is String)
          • units: counts (Type is String)
          • source: Derived (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Major Frame ID - The major frame ID is read from the DFC and starts counting at DFC POR. The counter is used to identify individual major frames across diag and science packets. This counter can go for about 2.7 years before rolling over. It is in the first time tag science packet. Used as part of the photon ID (Type is String)
          • coordinates: delta_time (Type is String)
      • useflag[ /atlas/pce3/background/delta_time= 0..84599] (Type is Byte)
        • attributes
          • long_name: Science Mode Flag (Type is String)
          • units: counts (Type is String)
          • source: ATL01/atlas/pcex/a_alt_sci/ (Type is String)
          • valid_min: 0 (Type is Byte)
          • valid_max: 15 (Type is Byte)
          • contentType: referenceInformation (Type is String)
          • description: Science Mode Flag. Used by ATL03 to discard non-science mode data. 0=stby, 1=science_mode, 2=test, 3=manual, 4=radio, 5=unknown, > 10=amcs_not_normal (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: stby science test manual radio unknown unused unused unused unused stby_alt_amcs science_alt_amcs test_alt_amcs manual_alt_amcs radio_alt_amcs unknown_alt_amcs (Type is String)
          • flag_values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 (Type is Byte)
gpsr(Type is Group)
  • attributes
    • Description: Contains parameters related to the GPS Receiver. (Type is String)
    • data_rate: Data within this group are stored at the data rate of the source GPS Receiver Data Packets. (nominally one per second.) (Type is String)
  • carrier_amplitude(Type is Group)
    • attributes
      • Description: Contains parameters related to Carrier Amplitude Data Record (CADR). (Type is String)
      • data_rate: Data within this group are stored at the data rate of the source Spacecraft Ancillary Science Data Packets. (nominally one per second.) (Type is String)
    Dimensions: [ /gpsr/carrier_amplitude/delta_time = 0..422 ] [ /gpsr/carrier_amplitude/ds_16_slots = 0..15 ]
    • constell_id[ /gpsr/carrier_amplitude/delta_time= 0..422] [ /gpsr/carrier_amplitude/ds_16_slots= 0..15] (Type is Int8)
      • attributes
        • long_name: CADR Constellation ID (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc3/gpsr/carrier_amplitude (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Carrier Amplitude Data Record (CADR) - Constellation ID - Single Frequency Channel 1-24 (0 = GPS Constellation; All other values invalid). Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
    • carrier_amp[ /gpsr/carrier_amplitude/delta_time= 0..422] [ /gpsr/carrier_amplitude/ds_16_slots= 0..15] (Type is Float32)
      • attributes
        • long_name: CADR Carrier Amplitude (Type is String)
        • units: dB (Type is String)
        • source: ATL01/sc3/gpsr/carrier_amplitude converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Carrier Amplitude Data Record (CADR) - Carrier Amplitude - Multiple Frequency Processing. Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
    • noise_ratio[ /gpsr/carrier_amplitude/delta_time= 0..422] [ /gpsr/carrier_amplitude/ds_16_slots= 0..15] (Type is Float32)
      • attributes
        • units: dBHz (Type is String)
        • long_name: CADR Carrier to Noise Power Density Ratio (Type is String)
        • source: ATL01/sc3/gpsr/carrier_amplitude converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Carrier Amplitude Data Record (CADR) - Carrier to Noise Power Density Ratio. Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
    • num_valid_slots[ /gpsr/carrier_amplitude/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: Number of slots filled (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc3/gpsr/carrier_amplitude/dfh/raw_num_recs (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 24 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Number of the 16 available slots filled by telemetry. Data values after the number of valid slots are filled with 0. Note: Valid data records will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 16, then the remaining unused data fields within the arrays will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
    • antenna_id[ /gpsr/carrier_amplitude/delta_time= 0..422] [ /gpsr/carrier_amplitude/ds_16_slots= 0..15] (Type is Int8)
      • attributes
        • long_name: CADR Antenna Identifier (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc3/gpsr/carrier_amplitude (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Carrier Amplitude Data Record (CADR) - Antenna Identifier. 0 = First Antenna 1 = Second Antenna (invalid for present receiver) All other values invalid. Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: first_antenna second_antenna (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • signal_type[ /gpsr/carrier_amplitude/delta_time= 0..422] [ /gpsr/carrier_amplitude/ds_16_slots= 0..15] (Type is Int8)
      • attributes
        • source: ATL01/sc3/gpsr/carrier_amplitude (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 6 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Carrier Amplitude Data Record (CADR) - GPS Signal Type. 0 = GPS L1 C/A 1 = GPS L1 P 2 = GPS L2 C/A (N/A for present receiver) 3 = GPS L2 P 4 = GPS L2 CM 5 = GPS L2 CL (N/A for present receiver) 6 = No signal processing on this channel All other values invalid. Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: gps_l1a_ca gps_l1_p gps_l2_ca gps_l2_p gps_l2_cm gps_l2_cl no_signal_processing (Type is String)
        • flag_values: 0, 1, 2, 3, 4, 5, 6 (Type is Int8)
        • long_name: CADR GPS Signal Type (Type is String)
        • units: 1 (Type is String)
    • delta_time[ /gpsr/carrier_amplitude/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: Elapsed GPS seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Derived via Time Tagging (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Time, in seconds since the ATLAS SDP GPS Epoch, computed from raw_gps_time_sec and subseconds in the time correlation group. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
    • channel_num[ /gpsr/carrier_amplitude/delta_time= 0..422] [ /gpsr/carrier_amplitude/ds_16_slots= 0..15] (Type is Int8)
      • attributes
        • long_name: CADR Channel Number (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc3/gpsr/carrier_amplitude (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 23 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Carrier Amplitude Data Record (CADR) - Channel Number. 0 to 23; All other values invalid. Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
    • ds_16_slots[ /gpsr/carrier_amplitude/ds_16_slots= 0..15] (Type is Int8)
      • attributes
        • long_name: DS for 16 slots (Type is String)
        • units: 1 (Type is String)
        • source: Dimension Scale (Type is String)
        • valid_min: 1 (Type is Int8)
        • valid_max: 16 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Dimension scale representing each of the 16 slots. (Type is String)
    • sv_id[ /gpsr/carrier_amplitude/delta_time= 0..422] [ /gpsr/carrier_amplitude/ds_16_slots= 0..15] (Type is Int8)
      • attributes
        • long_name: CADR Space Vehicle ID (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc3/gpsr/carrier_amplitude (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 32 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Carrier Amplitude Data Record (CADR) - Space Vehicle ID. (0 = No signal acquisition or tracking; 1-32 = GPS SVs. All other values invalid). Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
  • carrier_phase(Type is Group)
    • attributes
      • Description: Contains parameters related to the GPSR Carrier Phase Data Record (CrPDR). (Type is String)
      • data_rate: Data within this group are stored at the data rate of the source Spacecraft Ancillary Science Data Packets. (nominally one per second.) (Type is String)
    Dimensions: [ /gpsr/carrier_phase/delta_time = 0..422 ] [ /gpsr/carrier_phase/ds_24_slots = 0..23 ]
    • constell_id[ /gpsr/carrier_phase/delta_time= 0..422] [ /gpsr/carrier_phase/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CRPDR Constellation ID (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc3/gpsr/carrier_phase (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Carrier Phase Data Record (CrPDR) - Constellation ID - Single Frequency Channel 1-24 (0 = GPS Constellation; All other values invalid). Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
    • deter_f[ /gpsr/carrier_phase/delta_time= 0..422] [ /gpsr/carrier_phase/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CRPDR Deterioration Flag (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc3/gpsr/carrier_phase (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Carrier Phase Data Record (CrPDR) - Deterioration Flag. 0= Carrier Loop Lock Steady 1 = Carrier Loop Lock Unsteady (Measurement data may be deteriorated). Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: steady unsteady (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • delta_range[ /gpsr/carrier_phase/delta_time= 0..422] [ /gpsr/carrier_phase/ds_24_slots= 0..23] (Type is Float64)
      • attributes
        • long_name: CRPDR Delta Range (Type is String)
        • units: meters/second (Type is String)
        • source: ATL01/sc3/gpsr/carrier_phase converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Carrier Phase Data Record (CrPDR) - Delta Range. Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
    • num_valid_slots[ /gpsr/carrier_phase/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: Number of slots filled (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc3/gpsr/carrier_phase/dfh_x/raw_num_recs (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 24 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Number of the 24 available slots filled by telemetry. Data values after the number of valid slots are filled with 0. Note: Valid data records will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused data fields within the arrays will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
    • antenna_id[ /gpsr/carrier_phase/delta_time= 0..422] [ /gpsr/carrier_phase/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CRPDR Antenna Identifier (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc3/gpsr/carrier_phase (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Carrier Phase Data Record (CrPDR) - Antenna Identifier. 0 = First Antenna 1 = Second Antenna (invalid for present receiver) All other values invalid. Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: first_antenna second_antenna (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • ds_24_slots[ /gpsr/carrier_phase/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • units: 1 (Type is String)
        • long_name: DS for 24 slots (Type is String)
        • source: Dimension Scale (Type is String)
        • valid_min: 1 (Type is Int8)
        • valid_max: 24 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Dimension scale representing each of the 24 slots. (Type is String)
    • signal_type[ /gpsr/carrier_phase/delta_time= 0..422] [ /gpsr/carrier_phase/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CRPDR GPS Signal Type (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc3/gpsr/carrier_phase (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 6 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Carrier Phase Data Record (CrPDR) - GPS Signal Type. 0 = GPS L1 C/A 1 = GPS L1 P 2 = GPS L2 C/A (N/A for present receiver) 3 = GPS L2 P 4 = GPS L2 CM 5 = GPS L2 CL (N/A for present receiver) 6 = No signal processing on this channel All other values invalid. Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: gps_l1a_ca gps_l1_p gps_l2_ca gps_l2_p gps_l2_cm gps_l2_cl no_signal_processing (Type is String)
        • flag_values: 0, 1, 2, 3, 4, 5, 6 (Type is Int8)
    • delta_time[ /gpsr/carrier_phase/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: Elapsed GPS seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Derived via Time Tagging (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Time, in seconds since the ATLAS SDP GPS Epoch, computed from raw_gps_time_sec and subseconds in the time correlation group. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
    • carrier_c_int[ /gpsr/carrier_phase/delta_time= 0..422] [ /gpsr/carrier_phase/ds_24_slots= 0..23] (Type is Int64)
      • attributes
        • long_name: CRPDR Integer Carrier Cycle Counter (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc3/gpsr/carrier_phase (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Carrier Phase Data Record (CrPDR) - Integer Carrier Cycle Counter - Note: At the beginning of each track the integer carrier cycle count starts with 0. Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
    • carrier_c_fract[ /gpsr/carrier_phase/delta_time= 0..422] [ /gpsr/carrier_phase/ds_24_slots= 0..23] (Type is Float32)
      • attributes
        • units: degrees (Type is String)
        • long_name: CRPDR Carrier Cycle Fraction (Type is String)
        • source: ATL01/sc3/gpsr/carrier_phase converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Carrier Phase Data Record (CrPDR) - Carrier Cycle Fraction - Fraction corresponding to 360 degrees divided by 4096. Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
    • channel_num[ /gpsr/carrier_phase/delta_time= 0..422] [ /gpsr/carrier_phase/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CRPDR Channel Number (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc3/gpsr/carrier_phase (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 23 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Carrier Phase Data Record (CrPDR) - Channel Number. 0 to 23; All other values invalid. Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
    • sv_id[ /gpsr/carrier_phase/delta_time= 0..422] [ /gpsr/carrier_phase/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CRPDR Space Vehicle ID (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc3/gpsr/carrier_phase (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 32 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Carrier Phase Data Record (CrPDR) - Space Vehicle ID. (0 = No signal acquisition or tracking; 1-32 = GPS SVs. All other values invalid). Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
  • channel_status(Type is Group)
    • attributes
      • Description: Contains parameters related to Channel Status record (CSR). (Type is String)
      • data_rate: Data within this group are stored at the data rate of the source Spacecraft Ancillary Science Data Packets. (nominally one per second.) (Type is String)
    Dimensions: [ /gpsr/channel_status/delta_time = 0..422 ] [ /gpsr/channel_status/ds_24_slots = 0..23 ]
    • constell_id[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CSR Constellation ID (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Constellation ID - Single Frequency Channel 1-24 (0 = GPS Constellation; All other values invalid). Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
    • code_loop_mode[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CSR Code Loop Mode (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 3 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Code Loop Mode - Single Frequency Channel 1-24. 0 = No code loop activities, 1 = Code acquisition ongoing, 2 = Code tracking ongoing, 3 = Code acquisition error. Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: no_activities acquisition tracking acq_error (Type is String)
        • flag_values: 0, 1, 2, 3 (Type is Int8)
    • code_loop_bw[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CSR Code Loop Bandwidth (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 127 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Index of actual code loop bandwidth setting - Single Frequency Channel 1-24, Value = 0; Multiple Settings are not applicable for this parameter type. All other values invalid (Type is String)
        • coordinates: delta_time (Type is String)
    • code_loop_corr_ff[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CSR Code Loop Correlator Spacing Final Flag (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Code Loop Correlator Spacing (CdLCS) Final Flag (FF) - Single Frequency Channel 1-24. 0 = Code loop correlator not final, 1 = Final code loop correlator applied. Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: not_final applied (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • code_phase_deter[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CSR Code Phase Deterioration (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Code Phase Deterioration (CdPD) - Single Frequency Channel 1-24. 0 = No deterioration, 1 = Measurement quality deterioration. Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: no_deterioration deterioration (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • carrier_loop_int_t_ff[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CSR Carrier Loop Int Time Final Flag (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Carrier Loop Int Time (CrLIT) Final Flag (FF) - Single Frequency Channel 1-24. 0 = Carrier loop integration time not final, 1 = Final carrier loop integration time applied. Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: not_final applied (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • nav_d_sync[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CSR Navigation Data Sync Status (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 3 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Navigation Data Sync Status - Single Frequency Channel 1-24. 0 = Nav Data Not Synchronized, 1 = Nav Data Synchronized, Data Stream Not Inverted, 3 = Nav Data Synchronized, Data Stream Inverted. Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: not_synced synced_not_inverted synced_inverted (Type is String)
        • flag_values: 0, 1, 3 (Type is Int8)
    • num_valid_slots[ /gpsr/channel_status/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: Number of slots filled (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/channel_status/dfh/raw_num_recs (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 24 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Number of the 24 available slots filled by telemetry. Data values after the number of valid slots are filled with 0. Note: Valid data records will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused data fields within the arrays will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
    • logical_track_state[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Byte)
      • attributes
        • long_name: CSR Logical Tracking State (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Logical Tracking State - Single Frequency Channel 1-24. See Appendix C within DN-ICESAT2-SYS-024 for enumerated values. Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
    • carrier_loop_int_t[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CSR Carrier Loop Int Time (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 24 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Index of actual carrier loop integration time setting - Single Frequency Channel 1-24. Value = 0; Multiple Settings are not applicable for this parameter type. All other values invalid. Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
    • carrier_ph_deter[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CSR Carrier Phase Deterioration (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Carrier Phase Deterioration; 0 = No deterioration, 1 = Measurement quality deterioration. Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: no_deterioration deterioration (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • carrier_loop_bw_ff[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CSR Carrier Loop Bandwidth Final Flag (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Carrier Loop Bandwidth (CrLB) Final Flag (FF) - Single Frequency Channel 1-24. 0 = Carrier loop bandwidth not final, 1 = Final carrier bandwidth time applied. Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: not_final applied (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • antenna_id[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CSR Antenna Identifier (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Antenna Identifier. 0 = First Antenna 1 = Second Antenna (invalid for present receiver) All other values invalid. Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: first_antenna second_antenna (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • code_loop_int_t_ff[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CSR Code Loop Int Time Final Flag (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Code Loop Int Time Final (CdLIT) Flag (FF) - Single Frequency Channel 1-24. 0 = Code loop integration time not final, 1 = Final code loop integration time applied. Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: not_final applied (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • code_loop_int_t[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CSR Code Loop Int Time (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 24 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Index of actual code loop integration time setting - Single Frequency Channel 1-24. Value = 0; Multiple Settings are not applicable for this parameter type. All other values invalid. Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
    • code_loop_bw_ff[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CSR Code Loop Bandwidth Final Flag (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Code Loop Bandwidth (CdLB) Final Flag (FF) - Single Frequency Channel 1-24. 0 = Code loop bandwidth not final, 1 = Final code bandwidth time applied. Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: not_final applied (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • code_loop_lock[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CSR Code Loop Lock (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Code Loop Lock (CdLL) - Single Frequency Channel 1-24. 0 = Not locked, 1 = Locked. Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: not_locked locked (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • carrier_loop_lock[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Carrier Loop Lock (CrLL) - Single Frequency Channel 1-24. 0 = Not locked, 1 = Locked. Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: not_locked locked (Type is String)
        • flag_values: 0, 1 (Type is Int8)
        • long_name: CSR Carrier Loop Lock (Type is String)
        • units: 1 (Type is String)
    • ds_24_slots[ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: DS for 24 slots (Type is String)
        • units: 1 (Type is String)
        • source: Dimension Scale (Type is String)
        • valid_min: 1 (Type is Int8)
        • valid_max: 24 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Dimension scale representing each of the 24 slots. (Type is String)
    • carrier_loop_bw[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CSR Carrier Loop Bandwidth (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 24 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Index of actual carrier loop bandwidth setting - Single Frequency Channel 1-24 Value = 0; Multiple Settings are not applicable for this parameter type. All other values invalid. Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
    • signal_type[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CSR GPS Signal Type (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 6 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - GPS Signal Type. 0 = GPS L1 C/A 1 = GPS L1 P 2 = GPS L2 C/A (N/A for present receiver) 3 = GPS L2 P 4 = GPS L2 CM 5 = GPS L2 CL (N/A for present receiver) 6 = No signal processing on this channel All other values invalid. Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: gps_l1a_ca gps_l1_p gps_l2_ca gps_l2_p gps_l2_cm gps_l2_cl no_signal_processing (Type is String)
        • flag_values: 0, 1, 2, 3, 4, 5, 6 (Type is Int8)
    • delta_time[ /gpsr/channel_status/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: Elapsed GPS seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Derived via Time Tagging (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Time, in seconds since the ATLAS SDP GPS Epoch, computed from raw_gps_time_sec and subseconds in the time correlation group. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
    • carrier_loop_thres_ff[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Carrier Loop Threshold (CrLT) Final Flag (FF) - Single Frequency Channel 1-24. 0 = Carrier loop threshold not final, 1 = Final carrier loop threshold applied. Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: not_final applied (Type is String)
        • flag_values: 0, 1 (Type is Int8)
        • long_name: CSR Carrier Loop Threshold Final Flag (Type is String)
        • units: 1 (Type is String)
    • code_loop_thres_ff[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CSR Code Loop Threshold Final Flag (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Code Loop Threshold (CdLT) Final Flag (FF) - Single Frequency Channel 1-24. 0 = Code loop threshold not final, 1 = Final code loop threshold applied. Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: not_final applied (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • channel_num[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CSR Channel Number (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 23 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Channel Number. 0 to 23; All other values invalid. Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
    • carrier_loop_mode[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CSR Carrier Loop Mode (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 3 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Carrier Loop Mode) - Single Frequency Channel 1-24. 0 = No carrier loop activities; 1 = Carrier acquisition ongoing; 2 = Carrier tracking ongoing; 3 = Carrier acquisition error. Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: no_activities acquisition tracking acq_error (Type is String)
        • flag_values: 0, 1, 2, 3 (Type is Int8)
    • carrier_loop_disc_ff[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CSR Carrier Loop Discriminator Final Flag (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Carrier Loop Discriminator (CrLD) Final Flag (FF) - Single Frequency Channel 1-24. 0 = Carrier loop discriminator not final, 1 = Final carrier loop discriminator applied. Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: not_final applied (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • sv_id[ /gpsr/channel_status/delta_time= 0..422] [ /gpsr/channel_status/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CSR Space Vehicle ID (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/channel_status (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 32 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Channel Status Record (CSR) - Space Vehicle ID. (0 = No signal acquisition or tracking; 1-32 = GPS SVs. All other values invalid). Note: num_valid_slots indicate the number of channel that actual valid to use. the remaining unused data fields are zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
  • code_phase(Type is Group)
    • attributes
      • Description: Contains parameters related to Code Phase Data Record (CdPDR). (Type is String)
      • data_rate: Data within this group are stored at the data rate of the source Spacecraft Ancillary Science Data Packets. (nominally one per second.) (Type is String)
    Dimensions: [ /gpsr/code_phase/delta_time = 0..422 ] [ /gpsr/code_phase/ds_24_slots = 0..23 ]
    • constell_id[ /gpsr/code_phase/delta_time= 0..422] [ /gpsr/code_phase/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CDPDR Constellation ID (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc3/gpsr/code_phase (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Code Phase Data Record (CdPDR) - Constellation ID - Single Frequency Channel 1-24 (0 = GPS Constellation; All other values invalid). Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
    • deter_f[ /gpsr/code_phase/delta_time= 0..422] [ /gpsr/code_phase/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CDPDR Deterioration Flag (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc3/gpsr/code_phase (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Code Phase Data Record (CdPDR) - Deterioration Flag. 0= Carrier Loop Lock Steady 1 = Carrier Loop Lock Unsteady (Measurement data may be deteriorated). Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: steady unsteady (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • num_valid_slots[ /gpsr/code_phase/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: Number of slots filled (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc3/gpsr/code_phase/dfh_x/raw_num_recs (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 24 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Number of the 24 available slots filled by telemetry. Data values after the number of valid slots are filled with 0. Note: Valid data records will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused data fields within the arrays will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
    • code_chip_count[ /gpsr/code_phase/delta_time= 0..422] [ /gpsr/code_phase/ds_24_slots= 0..23] (Type is UInt64)
      • attributes
        • long_name: CDPDR Chip Count (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc3/gpsr/code_phase (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Code Phase Data Record (CdPDR) - Number of Code Chips Since Start of GPS Week. Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
    • antenna_id[ /gpsr/code_phase/delta_time= 0..422] [ /gpsr/code_phase/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CDPDR Antenna Identifier (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc3/gpsr/code_phase (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Code Phase Data Record (CdPDR) - Antenna Identifier. 0 = First Antenna 1 = Second Antenna (invalid for present receiver) All other values invalid. Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: first_antenna second_antenna (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • smooth_flg[ /gpsr/code_phase/delta_time= 0..422] [ /gpsr/code_phase/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CDPDR Smoothing Flag (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc3/gpsr/code_phase (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Code Phase Data Record (CdPDR) - Smoothing Flag. 0 = Smoothing Not Applied 1 = Carrier phase-based smoothing applied for the reported code phase. Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: not_applied applied (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • code_chip_fract[ /gpsr/code_phase/delta_time= 0..422] [ /gpsr/code_phase/ds_24_slots= 0..23] (Type is Float32)
      • attributes
        • long_name: CDPDR Fractional Chip Count (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc3/gpsr/code_phase converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Code Phase Data Record (CdPDR) - Fractional Portion of Number of Code Chips Since Start of GPS Week. Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
    • ds_24_slots[ /gpsr/code_phase/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: DS for 24 slots (Type is String)
        • units: 1 (Type is String)
        • source: Dimension Scale (Type is String)
        • valid_min: 1 (Type is Int8)
        • valid_max: 24 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Dimension scale representing each of the 24 slots. (Type is String)
    • signal_type[ /gpsr/code_phase/delta_time= 0..422] [ /gpsr/code_phase/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CDPDR GPS Signal Type (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc3/gpsr/code_phase (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 6 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Code Phase Data Record (CdPDR) - GPS Signal Type. 0 = GPS L1 C/A 1 = GPS L1 P 2 = GPS L2 C/A (N/A for present receiver) 3 = GPS L2 P 4 = GPS L2 CM 5 = GPS L2 CL (N/A for present receiver) 6 = No signal processing on this channel All other values invalid. Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: gps_l1a_ca gps_l1_p gps_l2_ca gps_l2_p gps_l2_cm gps_l2_cl no_signal_processing (Type is String)
        • flag_values: 0, 1, 2, 3, 4, 5, 6 (Type is Int8)
    • delta_time[ /gpsr/code_phase/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: Elapsed GPS seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Derived via Time Tagging (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Time, in seconds since the ATLAS SDP GPS Epoch, computed from raw_gps_time_sec and subseconds in the time correlation group. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
    • channel_num[ /gpsr/code_phase/delta_time= 0..422] [ /gpsr/code_phase/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CDPDR Channel Number (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc3/gpsr/code_phase (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 23 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Code Phase Data Record (CdPDR) - Channel Number. 0 to 23; All other values invalid. Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
    • sv_id[ /gpsr/code_phase/delta_time= 0..422] [ /gpsr/code_phase/ds_24_slots= 0..23] (Type is Int8)
      • attributes
        • long_name: CDPDR Space Vehicle ID (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc3/gpsr/code_phase (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 32 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Code Phase Data Record (CdPDR) - Space Vehicle ID. (0 = No signal acquisition or tracking; 1-32 = GPS SVs. All other values invalid). Note: Valid data records (num_valid_slots) will only be included for the amount of SFCs being tracked by the GPSR. If the tracked SFCs < 24, then the remaining unused CSR data fields within the ancillary packet will be zero-filled. (Type is String)
        • coordinates: delta_time (Type is String)
  • navigation(Type is Group)
    • attributes
      • Description: Contains parameters related to navigation solution. (Type is String)
      • data_rate: Data within this group are stored at the data rate of the source Spacecraft Ancillary Science Data Packets. (nominally one per second.) (Type is String)
    Dimensions: [ /gpsr/navigation/delta_time = 0..422 ]
    • max_ura[ /gpsr/navigation/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: NAV Maximum User Range Accuracy (URA) (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/navigation (Type is String)
        • valid_min: -16 (Type is Int8)
        • valid_max: 15 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - Maximum User Range Accuracy (-16 means that no URA is available) (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
    • gps_time_subsec[ /gpsr/navigation/delta_time= 0..422] (Type is UInt32)
      • attributes
        • long_name: TCDR GPS Time (Subseconds) (Type is String)
        • units: 1/4294967296 seconds (Type is String)
        • source: ATL01/sc4/gpsr/navigation (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Time Correlation Data Record (TCDR) - Subseconds portion of the GPS Time (GPST) representation of the synchronization time stamp. Total seconds elapsed since GPS epoch (6-Jan-1980 00:00:00) starting with 0. (Same data that is provided to ATLAS in RT) (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
    • gdop[ /gpsr/navigation/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: NAV Geometric Dilution of Precision (Type is String)
        • units: meters (Type is String)
        • source: ATL01/sc4/gpsr/navigation converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - Geometric Dilution of Precision (Values greater than 655.34 m are saturated to 655.34 m.) (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
    • tdop[ /gpsr/navigation/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: GPSR Time Dilution of Precision (Type is String)
        • units: meters (Type is String)
        • source: ATL01/sc4/gpsr/navigation converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: GPSR - Time Dilution of Precision. Values greater than 655.34 are saturated to 655.34; Value set to 655.35 when NSM = 1 or in the case NSM = 5 with fewer than 4 SVs available. (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
    • vertical_speed[ /gpsr/navigation/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: NAV Vertical Speed (Type is String)
        • units: meters/second (Type is String)
        • source: ATL01/sc4/gpsr/navigation converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - Vertical Speed (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
    • nsm[ /gpsr/navigation/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: GPSR Navigation Solution Method (NSM) (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc4/gpsr/navigation (Type is String)
        • valid_min: 1 (Type is Int8)
        • valid_max: 7 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: GPSR - Navigation Solution Method. 1 = Propagated 2 = Cold Start - First Nav Fix 3 = Cold Start - Least Squares Method w/ no GDOP Optimization 4 = Least Squares Method w/ all Visible SVs 5 = Kalman Filter Method (Normal Operation) 7 = Invalid Navigation Solution All other values invalid (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
        • flag_meanings: propagated cold_lsq_no_gdop lsqm_w_svs normal_lsqm normal_kalman unused invalid_solution (Type is String)
        • flag_values: 1, 2, 3, 4, 5, 6, 7 (Type is Int8)
    • velocity_error_x[ /gpsr/navigation/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: NAV Velocity Error X (Type is String)
        • units: meters/second (Type is String)
        • source: ATL01/sc4/gpsr/navigation converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - Estimated X velocity error (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
    • longitude[ /gpsr/navigation/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: NAV Longitude (WGS84) (Type is String)
        • units: degrees_east (Type is String)
        • source: ATL01/sc4/gpsr/navigation converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - Longitude (WGS84) (Type is String)
        • coordinates: delta_time (Type is String)
    • pdop[ /gpsr/navigation/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: NAV Position Dilution of Precision (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/navigation converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - Position Dilution of Precision. Values greater than 655.34 are saturated to 655.34; Value set to 655.35 when NSM = 1 or in the case NSM = 5 with fewer than 4 SVs available. (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
    • latitude[ /gpsr/navigation/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: NAV Latitude (WGS84) (Type is String)
        • units: degrees_north (Type is String)
        • source: ATL01/sc4/gpsr/navigation converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - Latitude (WGS84) (Type is String)
        • coordinates: delta_time (Type is String)
    • n_svs[ /gpsr/navigation/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: NAV Number of SVs in Solution (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/navigation (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 8 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - The number of SVs the receiver was able to use for the Navigation Solution computation, i.e. SVs for which code and carrier phase measurements and Ephemeris data were available (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
    • velocity_error_z[ /gpsr/navigation/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: NAV Velocity Error Z (Type is String)
        • units: meters/second (Type is String)
        • source: ATL01/sc4/gpsr/navigation converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - Estimated Z velocity error (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
    • max_curve_fit[ /gpsr/navigation/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: NAV Maximum Curve Fit (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc4/gpsr/navigation (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 15 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - Maximum Curve Fit interval taken from all SVs used in current navigation solution (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
        • flag_meanings: 4h 6h 8h 14h 26h 50h 74h 98h 122h 146h no_curve_fit (Type is String)
        • flag_values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 15 (Type is Int8)
    • position_y[ /gpsr/navigation/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: NAV Position Y (WGS84) (Type is String)
        • units: meters (Type is String)
        • source: ATL01/sc4/gpsr/navigation converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - Estimated Y position of the platform reference point according to the Navigation Solution Method (NSM) at the point in time of GPST (WGS84) (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
    • position_error_y[ /gpsr/navigation/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: NAV Position Error Y (Type is String)
        • units: meters (Type is String)
        • source: ATL01/sc4/gpsr/navigation converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - Estimated Y position error (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
    • velocity_y[ /gpsr/navigation/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: NAV Velocity Y (WGS84) (Type is String)
        • units: meters/second (Type is String)
        • source: ATL01/sc4/gpsr/navigation converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - Estimated Y velocity of the platform reference point according to the Navigation Solution Method (NSM) at the point in time of GPST (WGS84) (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
    • position_x[ /gpsr/navigation/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: NAV Position X (WGS84) (Type is String)
        • units: meters (Type is String)
        • source: ATL01/sc4/gpsr/navigation converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - Estimated X position of the platform reference point according to the Navigation Solution Method (NSM) at the point in time of GPST (WGS84) (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
    • gps_time_sec[ /gpsr/navigation/delta_time= 0..422] (Type is UInt32)
      • attributes
        • long_name: TCDR GPS Time (Seconds) (Type is String)
        • units: seconds (Type is String)
        • source: ATL01/sc4/gpsr/navigation (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Time Correlation Data Record (TCDR) - GPS Time (GPST) representation of the synchronization time stamp. Total seconds elapsed since GPS epoch (6-Jan-1980 00:00:00) starting with 0. (Same data that is provided to ATLAS in RT) (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
    • position_z[ /gpsr/navigation/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: NAV Position Z (WGS84) (Type is String)
        • units: meters (Type is String)
        • source: ATL01/sc4/gpsr/navigation converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - Estimated Z position of the platform reference point according to the Navigation Solution Method (NSM) at the point in time of GPST (WGS84) (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
    • velocity_x[ /gpsr/navigation/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: NAV Velocity X (WGS84) (Type is String)
        • units: meters/second (Type is String)
        • source: ATL01/sc4/gpsr/navigation converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - Estimated X velocity of the platform reference point according to the Navigation Solution Method (NSM) at the point in time of GPST (WGS84) (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
    • delta_time[ /gpsr/navigation/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: Elapsed GPS seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Derived via Time Tagging (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Time, in seconds since the ATLAS SDP GPS Epoch, computed from raw_gps_time_sec and subseconds in the time correlation group. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
    • clock_freq_error[ /gpsr/navigation/delta_time= 0..422] (Type is Int32)
      • attributes
        • long_name: NAV Receiver Clock Frequency Error (Type is String)
        • units: seconds (Type is String)
        • source: ATL01/sc4/gpsr/navigation (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - Receiver Clock Frequency Error (Type is String)
        • coordinates: delta_time (Type is String)
    • gnss_time_error[ /gpsr/navigation/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: NAV GNSS System Time Error (Type is String)
        • units: seconds (Type is String)
        • source: ATL01/sc4/gpsr/navigation converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - GNSS System Time Error (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
    • velocity_error_y[ /gpsr/navigation/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: NAV Velocity Error Y (Type is String)
        • units: meters/second (Type is String)
        • source: ATL01/sc4/gpsr/navigation converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - Estimated Y velocity error (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
    • position_error_x[ /gpsr/navigation/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: NAV Position Error X (Type is String)
        • units: meters (Type is String)
        • source: ATL01/sc4/gpsr/navigation converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - Estimated X position error (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
    • position_qa[ /gpsr/navigation/delta_time= 0..422] (Type is Int16)
      • attributes
        • long_name: NAV Time Quality Index (Type is String)
        • units: seconds (Type is String)
        • source: ATL01/sc4/gpsr/navigation (Type is String)
        • valid_min: 0 (Type is Int16)
        • valid_max: 4095 (Type is Int16)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - Time Quality Index; Values greater than 4095 ns are saturated to 4095 ns. (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
    • velocity_z[ /gpsr/navigation/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: NAV Velocity Z (WGS84) (Type is String)
        • units: meters/second (Type is String)
        • source: ATL01/sc4/gpsr/navigation converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - Estimated Z velocity of the platform reference point according to the Navigation Solution Method (NSM) at the point in time of GPST (WGS84) (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
    • h_ell[ /gpsr/navigation/delta_time= 0..422] (Type is Float64)
      • attributes
        • units: meters (Type is String)
        • long_name: NAV Height Above Reference Ellipsoid (WGS84) (Type is String)
        • source: ATL01/sc4/gpsr/navigation converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - Height Above Reference Ellipsoid (WGS84) (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
    • position_error_z[ /gpsr/navigation/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: NAV Position Error Z (Type is String)
        • units: meters (Type is String)
        • source: ATL01/sc4/gpsr/navigation converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Navigation Solution Data Record (NAV) - Estimated Z position error (Type is String)
        • coordinates: delta_time latitude longitude (Type is String)
  • noise_histogram(Type is Group)
    • attributes
      • Description: Contains parameters related to the GPS Noise Histogram Data Record (NHDR). (Type is String)
      • data_rate: Data within this group are stored at the data rate of the source Spacecraft Ancillary Science Data Packets. (nominally one per second.) (Type is String)
    Dimensions: [ /gpsr/noise_histogram/delta_time = 0..422 ] [ /gpsr/noise_histogram/ds_chain = 0..1 ]
    • chain_index[ /gpsr/noise_histogram/delta_time= 0..422] [ /gpsr/noise_histogram/ds_chain= 0..1] (Type is Int8)
      • attributes
        • long_name: NHDR Chain Index - Chain 1-2 (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc3/gpsr/noise_histogram (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Noise Histogram Data Record (NHDR) - Chain Index - Down Conversion Chain Identifier 1-2 (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: antenna1_l1carrier antenna1_l2carrier (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • norm_pos_in_phase_p3[ /gpsr/noise_histogram/delta_time= 0..422] [ /gpsr/noise_histogram/ds_chain= 0..1] (Type is UInt16)
      • attributes
        • long_name: NHDR Normalized Positive In-Phase Counts P3 - Chain 1-2 (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc3/gpsr/noise_histogram (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Noise Histogram Data Record (NHDR) - Normalized signal level detector counts of the positive In-phase samples (P3) - Down Conversion Chain Identifier 1-2 (Type is String)
        • coordinates: delta_time (Type is String)
    • ds_chain[ /gpsr/noise_histogram/ds_chain= 0..1] (Type is Int8)
      • attributes
        • long_name: DS for each chain (Type is String)
        • units: 1 (Type is String)
        • source: Dimension Scale (Type is String)
        • valid_min: 1 (Type is Int8)
        • valid_max: 2 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Dimension scale representing each of the 2 chains. (Type is String)
    • norm_neg_quad_phase_m1[ /gpsr/noise_histogram/delta_time= 0..422] [ /gpsr/noise_histogram/ds_chain= 0..1] (Type is UInt16)
      • attributes
        • long_name: NHDR Normalized Negative Quadrature-Phase Counts M1 - Chain 1-2 (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc3/gpsr/noise_histogram (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Noise Histogram Data Record (NHDR) - Normalized signal level detector counts of the negative Quadrature-phase samples (M1) - Down Conversion Chain Identifier 1-2 (Type is String)
        • coordinates: delta_time (Type is String)
    • norm_pos_quad_phase_p3[ /gpsr/noise_histogram/delta_time= 0..422] [ /gpsr/noise_histogram/ds_chain= 0..1] (Type is UInt16)
      • attributes
        • long_name: NHDR Normalized Positive Quadrature-Phase Counts P3 - Chain 1-2 (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc3/gpsr/noise_histogram (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Noise Histogram Data Record (NHDR) - Normalized signal level detector counts of the positive Quadrature-phase samples (P3) - Down Conversion Chain Identifier 1-2 (Type is String)
        • coordinates: delta_time (Type is String)
    • norm_pos_quad_phase_p1[ /gpsr/noise_histogram/delta_time= 0..422] [ /gpsr/noise_histogram/ds_chain= 0..1] (Type is UInt16)
      • attributes
        • long_name: NHDR Normalized Positive Quadrature-Phase Counts P1 - Chain 1-2 (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc3/gpsr/noise_histogram (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Noise Histogram Data Record (NHDR) - Normalized signal level detector counts of the positive Quadrature-phase samples (P1) - Down Conversion Chain Identifier 1-2 (Type is String)
        • coordinates: delta_time (Type is String)
    • noise_power[ /gpsr/noise_histogram/delta_time= 0..422] [ /gpsr/noise_histogram/ds_chain= 0..1] (Type is Float32)
      • attributes
        • long_name: NHDR Noise Power - Chain 1-2 (Type is String)
        • units: dB (Type is String)
        • source: ATL01/sc3/gpsr/noise_histogram converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Noise Histogram Data Record (NHDR) - Noise Power as seen at the input of the variable gain IF amplifier - Down Conversion Chain Identifier 1-2 (Type is String)
        • coordinates: delta_time (Type is String)
    • delta_time[ /gpsr/noise_histogram/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: Elapsed GPS seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Derived via Time Tagging (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Time, in seconds since the ATLAS SDP GPS Epoch, computed from raw_gps_time_sec and subseconds in the time correlation group. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
    • norm_pos_in_phase_p1[ /gpsr/noise_histogram/delta_time= 0..422] [ /gpsr/noise_histogram/ds_chain= 0..1] (Type is UInt16)
      • attributes
        • long_name: NHDR Normalized Positive In-Phase Counts P1 - Chain 1-2 (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc3/gpsr/noise_histogram (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Noise Histogram Data Record (NHDR) - Normalized signal level detector counts of the positive In-phase samples (P1) - Down Conversion Chain Identifier 1-2 (Type is String)
        • coordinates: delta_time (Type is String)
    • norm_neg_quad_phase_m3[ /gpsr/noise_histogram/delta_time= 0..422] [ /gpsr/noise_histogram/ds_chain= 0..1] (Type is UInt16)
      • attributes
        • long_name: NHDR Normalized Negative Quadrature-Phase Counts M3 - Chain 1-2 (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc3/gpsr/noise_histogram (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Noise Histogram Data Record (NHDR) - Normalized signal level detector counts of the negative Quadrature-phase samples (M3) - Down Conversion Chain Identifier 1-2 (Type is String)
        • coordinates: delta_time (Type is String)
    • norm_neg_in_phase_m3[ /gpsr/noise_histogram/delta_time= 0..422] [ /gpsr/noise_histogram/ds_chain= 0..1] (Type is UInt16)
      • attributes
        • long_name: NHDR Normalized Negative In-Phase Counts M3 - Chain 1-2 (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc3/gpsr/noise_histogram (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Noise Histogram Data Record (NHDR) - Normalized signal level detector counts of the negative In-phase samples (M3) - Down Conversion Chain Identifier 1-2 (Type is String)
        • coordinates: delta_time (Type is String)
    • norm_neg_in_phase_m1[ /gpsr/noise_histogram/delta_time= 0..422] [ /gpsr/noise_histogram/ds_chain= 0..1] (Type is UInt16)
      • attributes
        • long_name: NHDR Normalized Negative In-Phase Counts M1 - Chain 1-2 (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc3/gpsr/noise_histogram (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Noise Histogram Data Record (NHDR) - Normalized signal level detector counts of the negative In-phase samples (M1) - Down Conversion Chain Identifier 1-2 (Type is String)
        • coordinates: delta_time (Type is String)
  • hk(Type is Group)
    • attributes
      • Description: Contains parameters related to GPSR housekeeping. (Type is String)
      • data_rate: Data within this group are stored at the data rate of the source Spacecraft Ancillary Science Data Packets. (nominally one per second.) (Type is String)
    Dimensions: [ /gpsr/hk/delta_time = 0..422 ]
    • n_sv_w_all[ /gpsr/hk/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: HK Number of Tracked SVs w All Components in Tracking State (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/hk (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 8 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Housekeeping Parameter Report (HK) - GNSS satellites being tracked with all signal components in final tracking state at the most recent PPS (Type is String)
        • coordinates: delta_time (Type is String)
    • ic_tag_error[ /gpsr/hk/delta_time= 0..422] (Type is Byte)
      • attributes
        • long_name: HK Instr Cache Tag Error Counter (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/hk (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Housekeeping Parameter Report (HK) - Instr Cache Tag Error Counter (Type is String)
        • coordinates: delta_time (Type is String)
    • edac_single_bit_error[ /gpsr/hk/delta_time= 0..422] (Type is Byte)
      • attributes
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/hk (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Housekeeping Parameter Report (HK) - MilBus I/F EDAC Single Bit Error (Type is String)
        • coordinates: delta_time (Type is String)
        • long_name: HK MilBus I/F EDAC Single Bit Error (Type is String)
    • dc_data_error[ /gpsr/hk/delta_time= 0..422] (Type is Byte)
      • attributes
        • long_name: HK Data Cache Data Error Counter (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/hk (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Housekeeping Parameter Report (HK) - Data Cache Data Error Counter (Type is String)
        • coordinates: delta_time (Type is String)
    • register_file_errors[ /gpsr/hk/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: HK Corrected Register File Errors (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc4/gpsr/hk (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Housekeeping Parameter Report (HK) - Corrected Register File Errors (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: no_error_detected error_detected (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • cpu_processor_load[ /gpsr/hk/delta_time= 0..422] (Type is UInt16)
      • attributes
        • long_name: HK CPU Processor Load (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/hk (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Housekeeping Parameter Report (HK) - CPU Load of most recent PPS interval (Type is String)
        • coordinates: delta_time (Type is String)
    • nsm[ /gpsr/hk/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: GPSR Navigation Solution Method (NSM) (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc4/gpsr/hk (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 7 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: GPSR - Navigation Solution Method. 1 = Propagated; 2 = Cold Start - First Nav Fix; 3 = Cold Start - Least Squares Method w/ no GDOP Optimization; 4 = Least Squares Method w/ all Visible SVs; 5 = Kalman Filter Method (Normal Operation); 7 = Invalid Navigation Solution. All other values are invalid. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: unknown propagated cold_first_nav cold_lsq_no_gdop lsqm_w_svs normal_kalman invalid_solution (Type is String)
        • flag_values: 0, 1, 2, 3, 4, 5, 7 (Type is Int8)
    • edac_double_bit_error[ /gpsr/hk/delta_time= 0..422] (Type is Int8)
      • attributes
        • units: counts (Type is String)
        • long_name: HK MilBus I/F EDAC Double Bit Error (Type is String)
        • source: ATL01/sc4/gpsr/hk (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Housekeeping Parameter Report (HK) - MilBus I/F EDAC Double Bit Error (Type is String)
        • coordinates: delta_time (Type is String)
    • sram_edac_status[ /gpsr/hk/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: HK SRAM EDAC Status (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc4/gpsr/hk (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Housekeeping Parameter Report (HK) - SRAM EDAC Single bit error (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: no_error_detected error_detected (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • discarded_tm_packets[ /gpsr/hk/delta_time= 0..422] (Type is Byte)
      • attributes
        • units: counts (Type is String)
        • long_name: HK Discarded TM Packet Counter (Type is String)
        • source: ATL01/sc4/gpsr/hk (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Housekeeping Parameter Report (HK) - Number of TM packets discarded since start of GPSR (wrapping counter). (Type is String)
        • coordinates: delta_time (Type is String)
    • n_svs_acquired[ /gpsr/hk/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: HK Number of SVs Being Acquired (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/hk (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 8 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Housekeeping Parameter Report (HK) - GNSS satellites being acquired at the most recent PPS, i.e. channels with Multi-Frequency Tracking state 2...4 (Type is String)
        • coordinates: delta_time (Type is String)
    • protocol_selection_f[ /gpsr/hk/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: HK MilBus Protocol Selection Flag (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/hk (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Housekeeping Parameter Report (HK) - MilBus Protocol Selection Flag (Type is String)
        • coordinates: delta_time (Type is String)
    • transient_protocol_errors[ /gpsr/hk/delta_time= 0..422] (Type is UInt16)
      • attributes
        • long_name: HK MilBus Transient Protocol Error Count (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/hk (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Housekeeping Parameter Report (HK) - MilBus Transient Protocol Error Count (Type is String)
        • coordinates: delta_time (Type is String)
    • dc_tag_error[ /gpsr/hk/delta_time= 0..422] (Type is Byte)
      • attributes
        • units: counts (Type is String)
        • long_name: HK Data Cache Tag Error Counter (Type is String)
        • source: ATL01/sc4/gpsr/hk (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Housekeeping Parameter Report (HK) - Data Cache Tag Error Counter (Type is String)
        • coordinates: delta_time (Type is String)
    • clock_source[ /gpsr/hk/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: HK Clock Source (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc4/gpsr/hk (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Housekeeping Parameter Report (HK) - Clock Source (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: internal_clock value_invalid (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • prom_edac_status[ /gpsr/hk/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: HK PROM EDAC Status (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/hk (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Housekeeping Parameter Report (HK) - PROM EDAC Single bit or uncorrectable error (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: no_error_detected error_detected (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • front_end_t[ /gpsr/hk/delta_time= 0..422] (Type is Byte)
      • attributes
        • long_name: DFH Front End Temperature (Type is String)
        • units: counts (Type is String)
        • source: GPSR_DFH (Type is String)
        • contentType: physicalMeasurement (Type is String)
        • description: GPSR Data Field Header - R/F Front End Temperature (raw counts; not EU-converted) (Type is String)
        • coordinates: delta_time (Type is String)
    • n_svs_used[ /gpsr/hk/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: HK Number of SVs Used for PVT (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/hk (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 8 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Housekeeping Parameter Report (HK) - GNSS satellites being used for PVT at the PPS before the most recent PPS (Type is String)
        • coordinates: delta_time (Type is String)
    • n_svs_wo_all[ /gpsr/hk/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: HK Number of Tracked SVs w/o All Components in Tracking State (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/hk (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 8 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Housekeeping Parameter Report (HK) - GNSS satellites being tracked with not all signal components in a final tracking state at the most recent PPS, i.e. channels with Multi-Frequency Tracking state 5...10 (L1 C/A & P(Y)) or Multi-Frequency Tracking state 5...7 (L1 C/A & L2 CM) (Type is String)
        • coordinates: delta_time (Type is String)
    • transmit_buffer_occupancy[ /gpsr/hk/delta_time= 0..422] (Type is UInt16)
      • attributes
        • long_name: HK Transmit Buffer Occupancy (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/hk (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Housekeeping Parameter Report (HK) - Number of bytes buffered for transmission (Type is String)
        • coordinates: delta_time (Type is String)
    • delta_time[ /gpsr/hk/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: Elapsed GPS seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Derived via Time Tagging (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Time, in seconds since the ATLAS SDP GPS Epoch, computed from raw_gps_time_sec and subseconds in the time correlation group. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
    • discarded_tc_packets[ /gpsr/hk/delta_time= 0..422] (Type is Byte)
      • attributes
        • units: counts (Type is String)
        • long_name: HK Discarded TC Packet Counter (Type is String)
        • source: ATL01/sc4/gpsr/hk (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Housekeeping Parameter Report (HK) - Number of TC packets discarded since start of GPSR (wrapping counter). (Type is String)
        • coordinates: delta_time (Type is String)
    • ic_data_error[ /gpsr/hk/delta_time= 0..422] (Type is Byte)
      • attributes
        • long_name: HK Instr Cache Data Error Counter (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/hk (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Housekeeping Parameter Report (HK) - Instr Cache Data Error Counter (Type is String)
        • coordinates: delta_time (Type is String)
    • memory_dump_status[ /gpsr/hk/delta_time= 0..422] (Type is UInt16)
      • attributes
        • long_name: HK Memory Dump Status (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/hk (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Housekeeping Parameter Report (HK) - Number of TM packets to be generated until the current Memory Dump is finished (Type is String)
        • coordinates: delta_time (Type is String)
  • time_correlation(Type is Group)
    • attributes
      • Description: Contains parameters related to GPSR time correlation data record (TCDR). (Type is String)
      • data_rate: Data within this group are stored at the data rate of the source Spacecraft Ancillary Science Data Packets. (nominally one per second.) (Type is String)
    Dimensions: [ /gpsr/time_correlation/delta_time = 0..422 ]
    • gps_time_subsec[ /gpsr/time_correlation/delta_time= 0..422] (Type is UInt32)
      • attributes
        • long_name: TCDR GPS Time (Subseconds) (Type is String)
        • units: 1/4294967296 seconds (Type is String)
        • source: ATL01/sc4/gpsr/time_correlation (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Time Correlation Data Record (TCDR) - Subseconds portion of the GPS Time (GPST) representation of the synchronization time stamp. Total seconds elapsed since GPS epoch (6-Jan-1980 00:00:00) starting with 0. (Same data that is provided to ATLAS in RT) (Type is String)
        • coordinates: delta_time (Type is String)
    • utc_usec[ /gpsr/time_correlation/delta_time= 0..422] (Type is UInt16)
      • attributes
        • long_name: TCDR TCDR UTC Time - Microseconds (Type is String)
        • units: usec (Type is String)
        • source: ATL01/sc4/gpsr/time_correlation (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Time Correlation Data Record (TCDR) - UTC time representation of the synchronization time stamp. Number of microseconds of current day. (Type is String)
        • coordinates: delta_time (Type is String)
    • tdop[ /gpsr/time_correlation/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: GPSR Time Dilution of Precision (Type is String)
        • units: meters (Type is String)
        • source: ATL01/sc4/gpsr/time_correlation converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: GPSR - Time Dilution of Precision. Values greater than 655.34 are saturated to 655.34; Value set to 655.35 when NSM = 1 or in the case NSM = 5 with fewer than 4 SVs available. (Type is String)
        • coordinates: delta_time (Type is String)
    • nsm[ /gpsr/time_correlation/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: GPSR Navigation Solution Method (NSM) (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc4/gpsr/time_correlation (Type is String)
        • valid_min: 1 (Type is Int8)
        • valid_max: 7 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: GPSR - Navigation Solution Method. 1 = Propagated 2 = Cold Start - First Nav Fix 3 = Cold Start - Least Squares Method w/ no GDOP Optimization 4 = Least Squares Method w/ all Visible SVs 5 = Kalman Filter Method (Normal Operation) 7 = Invalid Navigation Solution All other values invalid (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: propagated cold_lsq_no_gdop lsqm_w_svs normal_lsqm normal_kalman unused invalid_solution (Type is String)
        • flag_values: 1, 2, 3, 4, 5, 6, 7 (Type is Int8)
    • imt[ /gpsr/time_correlation/delta_time= 0..422] (Type is UInt64)
      • attributes
        • long_name: TCDR Instrument Measurement Time (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc4/gpsr/time_correlation (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Time Correlation Data Record (TCDR) - Time Correlation Data Record (TCDR) - Instrument Measurement Time (IMT) representation of the synchronization time stamp. IMT precisely describes how the GPSR clock oscillator behaves, and is for internal and maintenance use only. This field contains the raw 64-bit IMT value. (Be aware of possible precision loss possible when converting to seconds.) (Type is String)
        • coordinates: delta_time (Type is String)
    • gps_time_sec[ /gpsr/time_correlation/delta_time= 0..422] (Type is UInt32)
      • attributes
        • long_name: TCDR GPS Time (Seconds) (Type is String)
        • units: seconds (Type is String)
        • source: ATL01/sc4/gpsr/time_correlation (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Time Correlation Data Record (TCDR) - GPS Time (GPST) representation of the synchronization time stamp. Total seconds elapsed since GPS epoch (6-Jan-1980 00:00:00) starting with 0. (Same data that is provided to ATLAS in RT) (Type is String)
        • coordinates: delta_time (Type is String)
    • time_qa[ /gpsr/time_correlation/delta_time= 0..422] (Type is Int16)
      • attributes
        • long_name: TCDR Time Quality Index (Type is String)
        • units: nanoseconds (Type is String)
        • source: ATL01/sc4/gpsr/time_correlation (Type is String)
        • valid_min: 0 (Type is Int16)
        • valid_max: 4095 (Type is Int16)
        • contentType: referenceInformation (Type is String)
        • description: Time Correlation Data Record (TCDR) - Time Quality Index. Nanoseconds; Values greater than 4095 ns are saturated to 4095 ns. (Type is String)
        • coordinates: delta_time (Type is String)
    • delta_time[ /gpsr/time_correlation/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: Elapsed GPS seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Derived via Time Tagging (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Time, in seconds since the ATLAS SDP GPS Epoch, computed from raw_gps_time_sec and subseconds in the time correlation group. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
    • utc_days[ /gpsr/time_correlation/delta_time= 0..422] (Type is UInt16)
      • attributes
        • units: days (Type is String)
        • long_name: TCDR TCDR UTC Time - Days (Type is String)
        • source: ATL01/sc4/gpsr/time_correlation (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Time Correlation Data Record (TCDR) - UTC time representation of the synchronization time stamp. Number of days since 1st January 2000, 00:00:00 starting with 0. (Type is String)
        • coordinates: delta_time (Type is String)
    • utc_msec[ /gpsr/time_correlation/delta_time= 0..422] (Type is UInt32)
      • attributes
        • units: msec (Type is String)
        • source: ATL01/sc4/gpsr/time_correlation (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Time Correlation Data Record (TCDR) - UTC time representation of the synchronization time stamp. Number of milliseconds of current day. (Type is String)
        • coordinates: delta_time (Type is String)
        • long_name: TCDR TCDR UTC Time - Milliseconds (Type is String)
lrs(Type is Group)
  • attributes
    • Description: Group contains the Laser Reference System (LRS) packet decommutated data (Type is String)
    • data_rate: Data within this group are stored at the nominal rate of the corresponding LRS APIDs (varies per APID). (Type is String)
  • laser_centroid(Type is Group)
    • attributes
      • Description: Contains parameters relating to the Application Laser Centroid (LCENT) Data. The (Application Mode) Laser Centroid Data Packet contains reported Laser-Side Centroids, which are part of the core LRS data output. This packet normally will contain 10 valid centroids, reported and stored at a nominally 50 Hz rate and is available through all data channels (SSR, real time telemetry, and onboard to the spacecraft ACS). (Type is String)
      • data_rate: Data within this group are stored at the data rate of the source LRS Application Laser Centroid Data (nominally fifty per second). (Type is String)
    Dimensions: [ /lrs/laser_centroid/delta_time = 0..211499 ]
    • centofintbase[ /lrs/laser_centroid/delta_time= 0..211499] (Type is UInt32)
      • attributes
        • units: counts (Type is String)
        • long_name: Center of integration base (Type is String)
        • source: LRS (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Base age of centroids relative to secondary header timestamp. This 32-bit value indicates how many 843.75 kHz time ticks of offset should be applied between the secondary header timestamp and the center_of_integration for the laser centroids reported. This time offset assumes that the secondary header timestamp represents an exact milli-second (that is, is accurate beyond the precision expressed in the timestamp). The offset is based on the LRS internal 27 MHz oscillator (divided by 32), and it can express offset from zero to more than 84 minutes with about 1.185 micro second resolution. Under normal operating conditions, the offset should never exceed 20 milli seconds (about 16875 counts). Centroid timetags offset with this value alone should be adequate for coarse geo-location, but not precision geo-location knowledge as expected for science (individual centroid offsets are required for that purpose). (Type is String)
        • coordinates: delta_time (Type is String)
    • cent_mag[ /lrs/laser_centroid/delta_time= 0..211499] (Type is Int16)
      • attributes
        • units: counts (Type is String)
        • long_name: LRS_LCENT centroid magitude (Type is String)
        • source: LRS_LCENT (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: The 12-bit centroid magnitude. The centroids are the Transmit Laser Centroids and TAMS Centroids. (Type is String)
        • coordinates: delta_time (Type is String)
    • quality_f[ /lrs/laser_centroid/delta_time= 0..211499] (Type is Int8)
      • attributes
        • units: 1 (Type is String)
        • long_name: LRS_LCENT Centroid quality (Type is String)
        • source: LRS_LCENT (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Flag indicates centroids pass basic validity checks in the LRS software. 0 = valid centroids; 1 = the corresponding centroid is considered questionable (that is, the corresponding centroid should not be expected to report a valid target with full accuracy). The win parameter within this group correlates the flags to tams/laser windows. However, the correlation of the windows to the actual tams/laser spots is not guaranteed. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: valid questionable (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • cent_h[ /lrs/laser_centroid/delta_time= 0..211499] (Type is Float32)
      • attributes
        • long_name: LRS_LCENT centroid H (Type is String)
        • units: pixels (Type is String)
        • source: LRS_LCENT (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: The centroid H value. The centroids are the Transmit Laser Centroids and TAMS Centroids. (Type is String)
        • coordinates: delta_time (Type is String)
    • delta_time[ /lrs/laser_centroid/delta_time= 0..211499] (Type is Float64)
      • attributes
        • long_name: Elapsed GPS seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Derived via Time Tagging (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Time values retrieved from the CCSDS header timestamps, relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
    • trackstat_f[ /lrs/laser_centroid/delta_time= 0..211499] (Type is Int8)
      • attributes
        • units: 1 (Type is String)
        • long_name: LRS_LCENT Tracking status (Type is String)
        • source: LRS_LCENT (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Flag indicates tracking status for centroid; 1 = valid tracking of that centroid window; 0 = the corresponding window is in a searching or acquiring state (that is, the corresponding centroid should not be considered to report a valid target). The win parameter within this group correlates the flags to tams/laser windows. However, the correlation of the windows to the actual tams/laser spots is not guaranteed. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: acq_state track_state (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • win[ /lrs/laser_centroid/delta_time= 0..211499] (Type is Int8)
      • attributes
        • long_name: Window (Type is String)
        • units: 1 (Type is String)
        • source: LRS_LCENT (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 10 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Indicates the window corresponding to each component of the centmagtime and corresponding flags. Values of 1-4 correspond to TAMS windows; values of 5-10 correspond to laser windows. Assignment of a window to a particular spot is not guaranteed. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: none tams0 tams1 tams2 tams3 laser1 laser2 laser3 laser4 laser5 laser6 (Type is String)
        • flag_values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 (Type is Int8)
    • cent_v[ /lrs/laser_centroid/delta_time= 0..211499] (Type is Float32)
      • attributes
        • long_name: LRS_LCENT centroid V (Type is String)
        • units: pixels (Type is String)
        • source: LRS_LCENT (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: The centroid V value. The centroids are the Transmit Laser Centroids and TAMS Centroids. (Type is String)
        • coordinates: delta_time (Type is String)
    • coi_offset[ /lrs/laser_centroid/delta_time= 0..211499] (Type is Int16)
      • attributes
        • units: counts (Type is String)
        • long_name: Center of integration offset (Type is String)
        • source: LRS (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: The signed 16-bit center of integration offset for this specific centroid. (Type is String)
        • coordinates: delta_time (Type is String)
  • stellar_centroid(Type is Group)
    • attributes
      • Description: The (Application Mode) Stellar Centroid Data Packet contains reported Stellar-Side Centroids, which are part of the core LRS data output. This packet is normally reported and stored at a nominally 10 Hz rate with a variable number of stars reported and is available through all data channels (SSR, real time telemetry, and onboard to the spacecraft ACS). (Type is String)
      • data_rate: Data within this group are stored at the data rate of the source LRS Stellar Centroid Data Packet. (nominally 10 per second.) (Type is String)
    Dimensions: [ /lrs/stellar_centroid/delta_time = 0..314 ]
    • cent_mag[ /lrs/stellar_centroid/delta_time= 0..314] (Type is Int16)
      • attributes
        • long_name: LRS_LCENT centroid magitude (Type is String)
        • units: counts (Type is String)
        • source: LRS_LCENT (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: The 12-bit centroid magnitude. From Word 2, bits 15 (MSB) to 4 (Type is String)
        • coordinates: delta_time (Type is String)
    • coi_offset[ /lrs/stellar_centroid/delta_time= 0..314] (Type is Int16)
      • attributes
        • long_name: Center of integration offset (Type is String)
        • units: counts (Type is String)
        • source: LRS (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: The signed 16-bit center of integration offset for this specific centroid. (Type is String)
        • coordinates: delta_time (Type is String)
    • delta_time[ /lrs/stellar_centroid/delta_time= 0..314] (Type is Float64)
      • attributes
        • long_name: Elapsed GPS seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Derived via Time Tagging (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Retrieved times from the CCSDS header timestamps, in seconds relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
    • centofintbase[ /lrs/stellar_centroid/delta_time= 0..314] (Type is UInt32)
      • attributes
        • long_name: Center of integration base (Type is String)
        • units: counts (Type is String)
        • source: LRS (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Base age of centroids relative to secondary header timestamp. This 32-bit value indicates how many 843.75 kHz time ticks of offset should be applied between the secondary header timestamp and the center_of_integration for the laser centroids reported. This time offset assumes that the secondary header timestamp represents an exact milli-second (that is, is accurate beyond the precision expressed in the timestamp). The offset is based on the LRS internal 27 MHz oscillator (divided by 32), and it can express offset from zero to more than 84 minutes with about 1.185 micro second resolution. Under normal operating conditions, the offset should never exceed 20 milli seconds (about 16875 counts). Centroid timetags offset with this value alone should be adequate for coarse geo-location, but not precision geo-location knowledge as expected for science (individual centroid offsets are required for that purpose). (Type is String)
        • coordinates: delta_time (Type is String)
    • cent_h[ /lrs/stellar_centroid/delta_time= 0..314] (Type is Float32)
      • attributes
        • long_name: LRS_LCENT centroid H (Type is String)
        • units: pixels (Type is String)
        • source: LRS_LCENT (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: The centroid H value. (Type is String)
        • coordinates: delta_time (Type is String)
    • quality_f[ /lrs/stellar_centroid/delta_time= 0..314] (Type is Int8)
      • attributes
        • long_name: LRS_LCENT Centroid quality (Type is String)
        • units: 1 (Type is String)
        • source: LRS_LCENT (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Flag indicates centroids pass basic validity checks in the LRS software. 0 indicate valid centroids; 1 indicate the corresponding centroid is considered questionable (that is, the corresponding centroid should not be expected to report a valid target with full accuracy). (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: valid questionable (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • cent_v[ /lrs/stellar_centroid/delta_time= 0..314] (Type is Float32)
      • attributes
        • long_name: LRS_LCENT centroid V (Type is String)
        • units: pixels (Type is String)
        • source: LRS_LCENT (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: The centroid V value. (Type is String)
        • coordinates: delta_time (Type is String)
    • trackstat_f[ /lrs/stellar_centroid/delta_time= 0..314] (Type is Int8)
      • attributes
        • units: 1 (Type is String)
        • long_name: LRS_LCENT Tracking status (Type is String)
        • source: LRS_LCENT (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Flag indicates tracking status for centroid. 1 indicate valid tracking of that centroid window; 0 indicate the corresponding window is in a searching or acquiring state (that is, the corresponding centroid should not be considered to report a valid target). (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: acq_state track_state (Type is String)
        • flag_values: 0, 1 (Type is Int8)
  • hk_1120(Type is Group)
    • attributes
      • Description: Contains parameters relating to the Application Housekeeping Packet (LRStmHK)(APID 1120). The (Application Mode) Housekeeping Packet provides all LRS health and safety data. It is normally reported and stored at a 1 Hz rate. (Type is String)
      • data_rate: Data within this group are stored at the data rate of the source LRS Housekeeping Data (nominally once per second). (Type is String)
    Dimensions: [ /lrs/hk_1120/delta_time = 0..422 ]
    • chkstat_s_ld_df[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • units: 1 (Type is String)
        • long_name: LRS_HK Checksum Status Register - SRAM Laser Detector Dark Frame Checksum (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: SRAM Laser Detector (LD) Dark Frame data checksum (0=PASSED (normal operating condition) 1=FAILED (abnormal condition)) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: passed failed (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • srate_y[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK Stellar Pattern Rate Y (Type is String)
        • units: pixels/second (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Y component (tip/tilt) of the stellar rate pattern estimate (Type is String)
        • coordinates: delta_time (Type is String)
    • pc_t[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK Processor Card Thermistor (Type is String)
        • units: degreesC (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Temperature of Processor Card - 0x0000 = 0.000 V (nominal short;) 0xFFFF = +4.000 V (nominal open) [see thermistor scaling section later for temperature scaling] (Type is String)
        • coordinates: delta_time (Type is String)
    • spwdiscardlink[ /lrs/hk_1120/delta_time= 0..422] (Type is UInt32)
      • attributes
        • long_name: LRS_HK Spacewire tlm packets dropped due to link not available (Type is String)
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: This 32-bit counter is incremented every time a spacewire telemetry packet is dropped by Failsafe Mode while waiting for a valid spacewire link between the LRS and MEB (an abnormal condition). It starts at 0x00000000, and rolls over to 0x00000000 when it increments from 0xFFFFFFFF. This counter will be reset at power on and by a Failsafe Reset Counters Command (LRSfscmRSTCNT). (Type is String)
        • coordinates: delta_time (Type is String)
    • sysstat_ac_en[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: LRS_HK System Status Register - Analog Converter Status (Type is String)
        • units: 1 (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: The current status of the LRS FPGA Analog Converter. (0 =DISABLED (abnormal condition); 1 = ENABLED (normal operating condition)) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: disabled enabled (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • timecnt[ /lrs/hk_1120/delta_time= 0..422] (Type is UInt16)
      • attributes
        • long_name: LRS_HK Valid Time Sync Command Counter (Type is String)
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: The Valid Time Sync Command Counter is a 16-bit counter that increments each time that the Failsafe Mode processes a valid command of the corresponding command type. A valid command is defined as a command that passes all verification tests. The counter starts at 0x0000, and rolls over to 0x0000 when it increments from 0xFFFF. The counter is reset at power on and by a Failsafe Reset Counters Command (LRSfscmRSTCNT). (Type is String)
        • coordinates: delta_time (Type is String)
    • m12v_ldc_mon_v[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK -12VDC LDC Monitor (Type is String)
        • units: volts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Voltage of -12VDC LDC Monitor - 0x0000 = 0.000 V; 0xBF9D = -12.000 V (nominal value); 0xFFFF = -16.000 V : A_LRS_HK.ANALOGHK[11] (Type is String)
        • coordinates: delta_time (Type is String)
    • timeerrcnt[ /lrs/hk_1120/delta_time= 0..422] (Type is UInt16)
      • attributes
        • long_name: LRS_HK Time Sync Command Error Counter (Type is String)
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: The 16-bit Time Sync Command error Counter is incremented every time the Failsafe Mode has one or more command verification or processing errors with the corresponding command type (abnormal conditions). The counter starts at 0x0000, and rolls over to 0x0000 when it increments from 0xFFFF. The counter increments only once per command when there is at least one verification/processing error for that command. TIMEERRCODE will indicate the type of error. The counter is reset at power on and by a Failsafe Reset Counters Command (LRSfscmRSTCNT). (Type is String)
        • coordinates: delta_time (Type is String)
    • p5v_sdc_mon_v[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK +5VDC SDC Monitor (Type is String)
        • units: volts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Voltage of +5VDC SDC Monitor - 0x0000 = 0.000 V; 0xA000 = +5.000 V (nominal value); 0xFFFF = +8.000 V : A_LRS_HK.ANALOGHK[13] (Type is String)
        • coordinates: delta_time (Type is String)
    • cmderrcode[ /lrs/hk_1120/delta_time= 0..422] (Type is UInt16)
      • attributes
        • long_name: LRS_HK Unique Code for User Command Errors (Type is String)
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: The 16-bit Command Error Unique Code indicates the last type of command error that occurred in Failsafe Mode. This code will be reset at power on and by a Failsafe Reset Counters Command (LRSfscmRSTCNT). The error codes are defined in Table 19: Command Validation Error Codes in the LRS command and data ICD. (Type is String)
        • coordinates: delta_time (Type is String)
    • chkstat_e_sd_df[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • units: 1 (Type is String)
        • long_name: LRS_HK Checksum Status Register - EEPROM Stellar Detector Dark Frame Checksum (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: EEPROM Stellar Detector (SD) Dark Frame data checksum (0=PASSED (normal operating condition) 1=FAILED (abnormal condition)) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: passed failed (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • sysstat_sw[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: LRS_HK System Status Register - Spacewire Module Status (Type is String)
        • units: 1 (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: The current status of the Spacewire Module (0 = NOT RUNNING (abnormal condition); 1 = RUNNING (normal operating condition)) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: not_running running (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • spwstat_ll_err[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: LRS_HK Spacewire Status Register - Last Link Error (Type is String)
        • units: 1 (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 3 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: This is the Last Link Error Code portion of the LRS spacewire interface register. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: disconnected parity_err esc_rec credit_err (Type is String)
        • flag_values: 0, 1, 2, 3 (Type is Int8)
    • p3_3v_cmon_a[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK +3.3VDC Current Monitor (Type is String)
        • units: amps (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Amperage of +3.3VDC Current Monitor - 0x0000 = 0.000 A; 0xFFFF = +4.000 A : A_LRS_HK.ANALOGHK[9] (Type is String)
        • coordinates: delta_time (Type is String)
    • spwstat_pec[ /lrs/hk_1120/delta_time= 0..422] (Type is Byte)
      • attributes
        • long_name: LRS_HK Spacewire Status Register _ Packet Error Counter (Type is String)
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: This is the 6-bit Packet Error Counter portion of the LRS spacewire interface status register (Type is String)
        • coordinates: delta_time (Type is String)
    • p5v_ana_mon_v[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK +5VDC Analog Monitor (Type is String)
        • units: volts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Voltage of +5VDC Analog Monitor - 0x0000 = 0.000 V; 0xA000 = +5.000 V (nominal value); 0xFFFF = +8.000 V : A_LRS_HK.ANALOGHK[16] (Type is String)
        • coordinates: delta_time (Type is String)
    • timeerrcode[ /lrs/hk_1120/delta_time= 0..422] (Type is UInt16)
      • attributes
        • long_name: LRS_HK Time Sync Command Error Code (Type is String)
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: The 16-bit Time Sync Error Code indicates the last type of time sync error that occurred in Failsafe Mode. This code will be reset at power on and by a Failsafe Reset Counters Command (LRSfscmRSTCNT). The error codes are defined in Table 19: Command Validation Error Codes. (Type is String)
        • coordinates: delta_time (Type is String)
    • chkstat_s_sd_df[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • units: 1 (Type is String)
        • long_name: LRS_HK Checksum Status Register - SRAM Stellar Detector Dark Frame Checksum (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: SRAM Stellar Detector (SD) Dark Frame data checksum (0=PASSED (normal operating condition) 1=FAILED (abnormal condition)) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: passed failed (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • m12v_cmon_a[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK -12VDC Current Monitor (Type is String)
        • units: amps (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Amperage of -12VDC Current Monitor - 0x0000 = 0.000 A; 0xFFFF = +0.400 A : A_LRS_HK.ANALOGHK[6] (Type is String)
        • coordinates: delta_time (Type is String)
    • p1_5v_mon_v[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK +1.5VDC Monitor (Type is String)
        • units: volts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Voltage of +1.5VDC Monitor - 0x0000 = 0.000 V; 0x6000 = +1.500 V (nominal value); 0xFFFF = +4.000 V : A_LRS_HK.ANALOGHK[3] (Type is String)
        • coordinates: delta_time (Type is String)
    • meter_bar1_t[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK Optics Thermistor #4 (Metering Bars #1 Temperature) (Type is String)
        • units: degreesC (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Temperature of Optics Thermistor #4 (Metering Bars #1) - 0x0000 = 0.000 V (nominal short); 0xFFFF = +4.000 V (nominal open) [see thermistor scaling section later for temperature scaling] (Type is String)
        • coordinates: delta_time (Type is String)
    • ppsoffset_ticks[ /lrs/hk_1120/delta_time= 0..422] (Type is UInt32)
      • attributes
        • long_name: LRS_HK Oscillator Offset Ticks (Type is String)
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Oscillator Offset (ticks) for TOD (time of day) correction. (Type is String)
        • coordinates: delta_time (Type is String)
    • p12v_ana_mon_v[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK +12VDC Analog Monitor (Type is String)
        • units: volts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Voltage of +12VDC Analog Monitor - 0x0000 = 0.000 V; 0xC000 = +12.000 V (nominal value); 0xFFFF = +16.000 V : A_LRS_HK.ANALOGHK[15] (Type is String)
        • coordinates: delta_time (Type is String)
    • ground2_v[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK Ground 2 Voltage (Type is String)
        • units: volts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Voltage of Ground 2 - 0x0000 = 0.000 V (nominal value); 0xFFFF = +4.000 V : A_LRS_HK.ANALOGHK[1] (Type is String)
        • coordinates: delta_time (Type is String)
    • therm_open_ref_v[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK Thermistor Reference (open) (Type is String)
        • units: volts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Voltage of Thermistor Reference (open) - 0x0000 = 0.000 V; 0xFFFF = +4.000 V (nominal value) : A_LRS_HK.ANALOGHK[21] (Type is String)
        • coordinates: delta_time (Type is String)
    • therm_gnd_ref_v[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK Thermistor Reference (ground) (Type is String)
        • units: volts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Voltage of Thermistor Reference (ground) - 0x0000 = 0.000 V (nominal value); 0xFFFF = +4.000 V : A_LRS_HK.ANALOGHK[20] (Type is String)
        • coordinates: delta_time (Type is String)
    • sysstat_sdcd_cable[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: LRS_HK System Status Register - SDC Digital Cable Status (Type is String)
        • units: 1 (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: The current status of the LRS FPGA SDCD (Stellar Detector Card Digital Cable. (0 = DISCONNECTED (abnormal condition); 1 = CONNECTED (normal operating condition)) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: disconnected connected (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • stellar_barrel2_t[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK Optics Thermistor #8 (Stellar Side Barrel #2 Temperature) (Type is String)
        • units: degreesC (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Temperature of Optics Thermistor #8 (Stellar Side Barrel #2) - 0x0000 = 0.000 V (nominal short); 0xFFFF = +4.000 V (nominal open) [see thermistor scaling section later for temperature scaling] (Type is String)
        • coordinates: delta_time (Type is String)
    • sysstat_lsync[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: LRS_HK System Status Register - Laser Sync validity Status (Type is String)
        • units: 1 (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: The current validity of the Laser Sync (0 = INVALID (abnormal condition); 1 = VALID (normal operating condition)) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: invalid valid (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • sysstat_ldc[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: LRS_HK System Status Register - LDC Status (Type is String)
        • units: 1 (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: The current status of the Laser Detector Card (LDC) working (0 = Finished Execution; 1 = Executing). Note: The FPGA toggles these values based on what logic is executing, so they may show up as 0 or 1 based on when the packet is generated (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: finished executing (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • chkstat_e_at[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: LRS_HK Checksum Status Register - EEPROM Application Text Checksum (Type is String)
        • units: 1 (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: EEPROM Application Text (AT) checksum (0=PASSED (normal operating condition) 1=FAILED (abnormal condition)) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: passed failed (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • sysstat_ldcd_cable[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: LRS_HK System Status Register - LDC Digital Cable Status (Type is String)
        • units: 1 (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: The current status of the LRS FPGA LDCD (Laser Detector Card Digital Cable. (0 = DISCONNECTED (abnormal condition); 1 = CONNECTED (normal operating condition)) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: disconnected connected (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • chkstat_e_ad[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: LRS_HK Checksum Status Register - EEPROM Application Text Checksum (Type is String)
        • units: 1 (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: EEPROM Application Data (AD) checksum (0=PASSED (normal operating condition) 1=FAILED (abnormal condition)) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: passed failed (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • ldmemconflict[ /lrs/hk_1120/delta_time= 0..422] (Type is UInt16)
      • attributes
        • long_name: LRS_HK LD Memory Conflicts (Type is String)
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: This 16-bit counter is incremented each time the Application Mode is still accessing Laser-Side shared memory when a new LRS cycle starts. This conflict is an error, which indicates that shared memory access did not complete in the allocated time and may have caused stale or invalid laser centroids. This counter starts at 0x0000, and rolls over to 0x0000 when it increments from 0xFFFF. This counter will be reset at Application Mode initialization and by an Application Reset Counters Command (LRScmRSTCNT). (Type is String)
        • coordinates: delta_time (Type is String)
    • sysstat_j1[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: LRS_HK System Status Register - Jumper 1 (Type is String)
        • units: 1 (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Jumper 1 status (no planned use on ATLAS). 0 = Jumper is DISCONNECTED (normal operating condition (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: disconnected connected (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • spwdiscardbkup[ /lrs/hk_1120/delta_time= 0..422] (Type is UInt32)
      • attributes
        • long_name: LRS_HK Spacewire tlm packets dropped due to buffer not being empty (Type is String)
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: This 32-bit counter is incremented every time a spacewire telemetry packet is dropped by Failsafe Mode while waiting for the transmission buffer to empty (an abnormal condition). It starts at 0x00000000, and rolls over to 0x00000000 when it increments from 0xFFFFFFFF. This counter will be reset at power on and by a Failsafe Reset Counters Command (LRSfscmRSTCNT). (Type is String)
        • coordinates: delta_time (Type is String)
    • m12v_supp_mon_v[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK -12VDC Supply Monitor (Type is String)
        • units: volts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Voltage of 112VDC Supply Monitor - 0x0000 = 0.000 V; 0xBF9D = -12.000 V (nominal value); 0xFFFF = -16.000 V : A_LRS_HK.ANALOGHK[14] (Type is String)
        • coordinates: delta_time (Type is String)
    • srate_x[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK Stellar Pattern Rate X (Type is String)
        • units: pixels/sec (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: X component (tip/tilt) of the stellar rate pattern estimate. (Type is String)
        • coordinates: delta_time (Type is String)
    • cmderrcnt[ /lrs/hk_1120/delta_time= 0..422] (Type is UInt16)
      • attributes
        • long_name: LRS_HK User Command Error Counter (Type is String)
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: The 16-bit User Command Error Counter is incremented every time the Failsafe Mode has one or more command verification or processing errors with the corresponding command type (abnormal conditions). The counter starts at 0x0000, and rolls over to 0x0000 when it increments from 0xFFFF. The counter increments only once per command when there is at least one verification/processing error for that command. CMDERRCODE will indicate the type of error. The counter is reset at power on and by a Failsafe Reset Counters Command (LRSfscmRSTCNT). (Type is String)
        • coordinates: delta_time (Type is String)
    • chkstat_e_ld_df[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • units: 1 (Type is String)
        • long_name: LRS_HK Checksum Status Register - EEPROM Laser Detector Dark Frame Checksum (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: EEPROM Laser Detector (LD) Dark Frame data checksum (0=PASSED (normal operating condition) 1=FAILED (abnormal condition)) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: passed failed (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • dmppktleft[ /lrs/hk_1120/delta_time= 0..422] (Type is UInt16)
      • attributes
        • long_name: LRS_HK Remaining number of dump packets to go (Type is String)
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: This 16-bit counter indicates the remaining number of dump packets to send during Failsafe Mode processing of a Failsafe Dump Memory Command (LRSfscmDPMEM). It is 0x0000 whenever no dump command is active. (Type is String)
        • coordinates: delta_time (Type is String)
    • m12v_sdc_mon_v[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK -12VDC SDC Monitor (Type is String)
        • units: volts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Voltage of -12VDC SDC Monitor - 0x0000 = 0.000 V; 0xBF9D = -12.000 V (nominal value); 0xFFFF = -16.000 V : A_LRS_HK.ANALOGHK[10] (Type is String)
        • coordinates: delta_time (Type is String)
    • ppscount[ /lrs/hk_1120/delta_time= 0..422] (Type is UInt32)
      • attributes
        • long_name: LRS_HK 1PPS sync counter (Type is String)
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: A 32-bit count of sync pulses registered by the LRS FPGA. The value of the pulse counter starts at 0x00000000, and rolls over to 0x00000000 when it increments from 0xFFFFFFFF. (Type is String)
        • coordinates: delta_time (Type is String)
    • sysstat_j2[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: LRS_HK System Status Register - Jumper 2 (Type is String)
        • units: 1 (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: Jumper 2 status (no planned use on ATLAS). 0 = Jumper is DISCONNECTED (normal operating condition) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: disconnected connected (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • cmdcnt[ /lrs/hk_1120/delta_time= 0..422] (Type is UInt16)
      • attributes
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • long_name: LRS_HK Valid User Command Counter (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: The Valid User Command Counter is a 16-bit counter that increments each time that the Failsafe Mode processes a valid command of the corresponding command type. A valid command is defined as a command that passes all verification tests. The counter starts at 0x0000, and rolls over to 0x0000 when it increments from 0xFFFF. The counter is reset at power on and by a Failsafe Reset Counters Command (LRSfscmRSTCNT). (Type is String)
        • coordinates: delta_time (Type is String)
    • ppsoscval[ /lrs/hk_1120/delta_time= 0..422] (Type is UInt32)
      • attributes
        • long_name: LRS_HK Latched oscillator value at 1PPS sync (Type is String)
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: The 32-bit count of internal 27 MHz oscillator ticks at the time when the last 1 PPS sync pulse was registered by the LRS FPGA. (Type is String)
        • coordinates: delta_time (Type is String)
    • laser_barrel1_t[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK Optics Thermistor #1 (Laser Side Barrel #1 Temperature) (Type is String)
        • units: degreesC (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Temperature of Optics Thermistor #1 (Laser Side Barrel #1) - 0x0000 = 0.000 V (nominal short); 0xFFFF = +4.000 V (nominal open) [see thermistor scaling section later for temperature scaling] (Type is String)
        • coordinates: delta_time (Type is String)
    • spwoutofsync[ /lrs/hk_1120/delta_time= 0..422] (Type is UInt32)
      • attributes
        • long_name: LRS_HK Spacewire words skipped to find sync (Type is String)
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: This 32-bit counter is incremented each time a spacewire command word is skipped by Failsafe Mode to reach a valid packet sync (an abnormal condition). It starts at 0x00000000, and rolls over to 0x00000000 when it increments from 0xFFFFFFFF. This counter will be reset at power on and by a Failsafe Reset Counters Command (LRSfscmRSTCNT). (Type is String)
        • coordinates: delta_time (Type is String)
    • ground1_v[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK Ground 1 Voltage (Type is String)
        • units: volts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Voltage of Ground 1 - 0x0000 = 0.000 V (nominal value); 0xFFFF = +4.000 V : A_LRS_HK.ANALOGHK[0] (Type is String)
        • coordinates: delta_time (Type is String)
    • ldoverrun[ /lrs/hk_1120/delta_time= 0..422] (Type is UInt16)
      • attributes
        • long_name: LRS_HK LD Processing Overruns (Type is String)
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: This 16-bit counter is incremented each time the Application Mode is still processing Laser-Side data when a new LRS cycle starts. This overrun condition is a warning, which indicates that some processor activity did not complete in the allocated time and may delay reporting of the next laser data packets. This counter starts at 0x0000, and rolls over to 0x0000 when it increments from 0xFFFF. This counter will be reset at Application Mode initialization and by an Application Reset Counters Command (LRScmRSTCNT). (Type is String)
        • coordinates: delta_time (Type is String)
    • ldbackground[ /lrs/hk_1120/delta_time= 0..422] (Type is UInt16)
      • attributes
        • long_name: LRS_HK LD background (Type is String)
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: The 16-bit values are measures of the measured detector background for the laser side after subtracting the predicted dark frame. Each is a scaled average of the background levels from all tracking windows on that detector, for all measurements in the preceding one (1) second. Because the search and imaging windows move around, these values should be expected to fluctuate significantly; however, they are an indication of how well the predicted dark frame matches the background (stray light) levels. If they are occasionally very large, there is probably a stray light problem. If they are consistently very large, there is probably error in the dark frame calibration. (Type is String)
        • coordinates: delta_time (Type is String)
    • ldmemcnt[ /lrs/hk_1120/delta_time= 0..422] (Type is UInt32)
      • attributes
        • long_name: LRS_HK Number of memory words loaded (Type is String)
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: This 32-bit counter records the total number of memory words loaded during Failsafe Mode processing of Failsafe Load Memory Command (LRSfscmLDMEM). It starts at 0x00000000, and rolls over to 0x00000000 when it increments from 0xFFFFFFFF. This counter will be reset at power on and by a Failsafe Reset Counters Command (LRSfscmRSTCNT) (Type is String)
        • coordinates: delta_time (Type is String)
    • chkstat_s_at[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • units: 1 (Type is String)
        • long_name: LRS_HK Checksum Status Register -SRAM Application Text Checksum (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: SRAM Application Text (AT) checksum (0=PASSED (normal operating condition) 1=FAILED (abnormal condition)) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: passed failed (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • sdoverrun[ /lrs/hk_1120/delta_time= 0..422] (Type is UInt16)
      • attributes
        • long_name: LRS_HK SD Processing Overruns (Type is String)
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: This 16-bit counter is incremented each time the Application Mode is still processing Stellar-Side data when a new LRS cycle starts that should include new Stellar-Side data collection. This overrun condition is a warning, which indicates that some processor activity did not complete in the allocated time and may delay reporting of the next stellar data packets. This counter starts at 0x0000, and rolls over to 0x0000 when it increments from 0xFFFF. This counter will be reset at Application Mode initialization and by an Application Reset Counters Command (LRScmRSTCNT). (Type is String)
        • coordinates: delta_time (Type is String)
    • laser_barrel3_t[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK Optics Thermistor #3 (Laser Side Barrel #3 Temperature) (Type is String)
        • units: degreesC (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Temperature of Optics Thermistor #3 (Laser Side Barrel #3) - 0x0000 = 0.000 V (nominal short); 0xFFFF = +4.000 V (nominal open) [see thermistor scaling section later for temperature scaling] (Type is String)
        • coordinates: delta_time (Type is String)
    • sdmemconflict[ /lrs/hk_1120/delta_time= 0..422] (Type is UInt16)
      • attributes
        • long_name: LRS_HK SD Memory Conflicts (Type is String)
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: This 16-bit counter is incremented each time the Application Mode is still accessing Stellar-Side shared memory when a new LRS cycle starts that includes new Stellar-Side data collection. This conflict is an error, which indicates that shared memory access did not complete in the allocated time and may have caused stale or invalid stellar centroids. This counter starts at 0x0000, and rolls over to 0x0000 when it increments from 0xFFFF. This counter will be reset at Application Mode initialization and by an Application Reset Counters Command (LRScmRSTCNT). (Type is String)
        • coordinates: delta_time (Type is String)
    • p5v_ldc_mon_v[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK +5VDC LDC Monitor (Type is String)
        • units: volts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Voltage of +5VDC LDC Monitor - 0x0000 = 0.000 V; 0xA000 = +5.000 V (nominal value); 0xFFFF = +8.000 V : A_LRS_HK.ANALOGHK[12] (Type is String)
        • coordinates: delta_time (Type is String)
    • dmpmemcnt[ /lrs/hk_1120/delta_time= 0..422] (Type is UInt32)
      • attributes
        • long_name: LRS_HK Number of memory words dumped (Type is String)
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: This 32-bit counter records the total number of memory words dumped during Failsafe Mode processing of Failsafe Dump Memory Command (LRSfscmDPMEM). It starts at 0x00000000, and rolls over to 0x00000000 when it increments from 0xFFFFFFFF. This counter will be reset at power on and by a Failsafe Reset Counters Command (LRSfscmRSTCNT). (Type is String)
        • coordinates: delta_time (Type is String)
    • ldc_t[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK Laser Detector Card Temperature (Type is String)
        • units: degreesC (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Temperature of Laser Detector Card - 0x0000 = 0.000 V (nominal short); 0xFFFF = +4.000 V (nominal open) [see thermistor scaling section later for temperature scaling] (Type is String)
        • coordinates: delta_time (Type is String)
    • reference_v[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK Reference Voltage (Type is String)
        • units: volts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Reference Voltage - 0x0000 = 0.000 V; 0x8000 = +2.000 V (nominal value); 0xFFFF = +4.000 V : A_LRS_HK.ANALOGHK[2] (Type is String)
        • coordinates: delta_time (Type is String)
    • meter_bar2_t[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK Optics Thermistor #5 (Metering Bars #2 Temperature) (Type is String)
        • units: degreesC (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Temperature of Optics Thermistor #5 (Metering Bars #2) - 0x0000 = 0.000 V (nominal short); 0xFFFF = +4.000 V (nominal open) [see thermistor scaling section later for temperature scaling] (Type is String)
        • coordinates: delta_time (Type is String)
    • meter_bar3_t[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK Optics Thermistor #6 (Metering Bars #3 Temperature) (Type is String)
        • units: degreesC (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Temperature of Optics Thermistor #6 (Metering Bars #3) - 0x0000 = 0.000 V (nominal short); 0xFFFF = +4.000 V (nominal open) [see thermistor scaling section later for temperature scaling] (Type is String)
        • coordinates: delta_time (Type is String)
    • sdbackground[ /lrs/hk_1120/delta_time= 0..422] (Type is UInt16)
      • attributes
        • long_name: LRS_HK SD background (Type is String)
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: The 16-bit values are measures of the measured detector background of the stellar side after subtracting the predicted dark frame. Each is a scaled average of the background levels from all tracking windows on that detector, for all measurements in the preceding one (1) second. Because the search and imaging windows move around, these values should be expected to fluctuate significantly; however, they are an indication of how well the predicted dark frame matches the background (stray light) levels. If they are occasionally very large, there is probably a stray light problem. If they are consistently very large, there is probably error in the dark frame calibration. (Type is String)
        • coordinates: delta_time (Type is String)
    • sdc_t[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK Stellar Detector Card Temperature (Type is String)
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Temperature of Stellar Detector Card - 0x0000 = 0.000 V (nominal short); 0xFFFF = +4.000 V (nominal open) [see thermistor scaling section later for temperature scaling] (Type is String)
        • coordinates: delta_time (Type is String)
    • p3_3v_mon_v[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK +3.3VDC Monitor (Type is String)
        • units: volts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Voltage of +3.3VDC Monitor - 0x0000 = 0.000 V; 0xD333 = +3.300 V (nominal value); 0xFFFF = +4.000 V : A_LRS_HK.ANALOGHK[18] (Type is String)
        • coordinates: delta_time (Type is String)
    • delta_time[ /lrs/hk_1120/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: Elapsed GPS seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Derived via Time Tagging (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
        • coordinates: latitude longitude (Type is String)
    • p12v_cmon_a[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK +12VDC Current Monitor (Type is String)
        • units: amps (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Amperage of +12VDC Current Monitor - 0x0000 = 0.000 A; 0xFFFF = +0.400 A : A_LRS_HK.ANALOGHK[7] (Type is String)
        • coordinates: delta_time (Type is String)
    • p5v_supp_mon_v[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK +5VDC Supply Monitor (Type is String)
        • units: volts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Voltage of +5VDC Supply Monitor - 0x0000 = 0.000 V; 0xA000 = +5.000 V (nominal value); 0xFFFF = +8.000 V : A_LRS_HK.ANALOGHK[16] (Type is String)
        • coordinates: delta_time (Type is String)
    • stellar_shroud_t[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • units: degreesC (Type is String)
        • long_name: LRS_HK Optics Thermistor #10 (Stellar Side Shroud Temperature) (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Temperature of Optics Thermistor #10 (Stellar Side Shroud) - 0x0000 = 0.000 V (nominal short); 0xFFFF = +4.000 V (nominal open) [see thermistor scaling section later for temperature scaling] (Type is String)
        • coordinates: delta_time (Type is String)
    • chkstat_e_bc[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: LRS_HK Checksum Status Register - EEPROM Boot Config Checksum (Type is String)
        • units: 1 (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: EEPROM Boot Configuration (BC) checksum (0=PASSED (normal operating condition) 1=FAILED (abnormal condition)) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: passed failed (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • sysstat_ldc_en[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: LRS_HK System Status Register - LDC Power and Signals Enable Status (Type is String)
        • units: 1 (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: The current status of the LRS FPGA LDC (Laser Detector Card) Power and Signals. (0 = DISABLED (abnormal condition); 1 = ENABLED (normal operating condition)) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: disabled enabled (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • ppsoffset_ms[ /lrs/hk_1120/delta_time= 0..422] (Type is UInt32)
      • attributes
        • units: ms (Type is String)
        • source: LRS_HK (Type is String)
        • long_name: LRS_HK Oscillator Offset (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Oscillator Offset (milliseconds) for TOD (time of day) correction. (Type is String)
        • coordinates: delta_time (Type is String)
    • sysstat_hk[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: LRS_HK System Status Register HK Working (Type is String)
        • units: 1 (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: The current status of the Housekeeping working (0 = Finished Execution; 1 = Executing ). Note: The FPGA toggles these values based on what logic is executing, so they may show up as 0 or 1 based on when the packet is generated (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: finished executing (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • stellar_barrel3_t[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK Optics Thermistor #9 (Stellar Side Barrel #3 Temperature) (Type is String)
        • units: degreesC (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Temperature of Optics Thermistor #9 (Stellar Side Barrel #3) - 0x0000 = 0.000 V (nominal short); 0xFFFF = +4.000 V (nominal open) [see thermistor scaling section later for temperature scaling] (Type is String)
        • coordinates: delta_time (Type is String)
    • stellar_barrel1_t[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK Optics Thermistor #7 (Stellar Side Barrel #1 Temperature) (Type is String)
        • units: degreesC (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Temperature of Optics Thermistor #7 (Stellar Side Barrel #1) - 0x0000 = 0.000 V (nominal short); 0xFFFF = +4.000 V (nominal open) [see thermistor scaling section later for temperature scaling] (Type is String)
        • coordinates: delta_time (Type is String)
    • srate_z[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK Stellar Pattern Rate Z (Type is String)
        • units: radians/second (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Z (rotation) component of the stellar rate pattern estimate (Type is String)
        • coordinates: delta_time (Type is String)
    • sysstat_sdc_en[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: LRS_HK System Status Register - SDC Power and Signals Enable Status (Type is String)
        • units: 1 (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: The current status of the LRS FPGA SDC (Stellar Detector Card) Power and Signals. (0 = DISABLED (abnormal condition); 1 = ENABLED (normal operating condition)) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: disabled enabled (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • p1_8v_mon_v[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK +1.8VDC Monitor Voltage (Type is String)
        • units: volts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Volage of +1.8VDC Monitor - 0x0000 = 0.000 V; 0x7332 = 1.800 V (nominal); 0xFFFF = +4.000 V : A_LRS_HK.ANALOGHK[19] (Type is String)
        • coordinates: delta_time (Type is String)
    • sysstat_sdc[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: LRS_HK System Status Register - SDC Status (Type is String)
        • units: 1 (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: The current status of the Stellar Detector Card (SDC) working (0 = Finished Execution; 1 = Executing). Note: The FPGA toggles these values based on what logic is executing, so they may show up as 0 or 1 based on when the packet is generated (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: finished executing (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • pcc_t[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK Power Converter Card Temperature (Type is String)
        • units: degreesC (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Temperature of Power Converter Card - 0x0000 = 0.000 V (nominal short); 0xFFFF = +4.000 V (nominal open) [see thermistor scaling section later for temperature scaling] (Type is String)
        • coordinates: delta_time (Type is String)
    • laser_barrel2_t[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK Optics Thermistor #2 (Laser Side Barrel #2 Temperature) (Type is String)
        • units: degreesC (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Temperature of Optics Thermistor #2 (Laser Side Barrel #2) - 0x0000 = 0.000 V (nominal short); 0xFFFF = +4.000 V (nominal open) [see thermistor scaling section later for temperature scaling] (Type is String)
        • coordinates: delta_time (Type is String)
    • spwdiscardcmd[ /lrs/hk_1120/delta_time= 0..422] (Type is UInt32)
      • attributes
        • long_name: LRS_HK Spacewire words dropped due to timeout waiting for full CCSDS packet (Type is String)
        • units: counts (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: This 32-bit counter is incremented each time a spacewire command word is dropped by Failsafe Mode due to a timeout while waiting for a full CCSDS packet (an abnormal condition). It starts at 0x00000000, and rolls over to 0x00000000 when it increments from 0xFFFFFFFF. This counter will be reset at power on and by a Failsafe Reset Counters Command (LRSfscmRSTCNT). (Type is String)
        • coordinates: delta_time (Type is String)
    • sysstat_sdca_cable[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: LRS_HK System Status Register - SDC Analog Cable Status (Type is String)
        • units: 1 (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: The current status of the LRS FPGA SDCD (Stellar Detector Card Digital Cable. (0 = DISCONNECTED (abnormal condition); 1 = CONNECTED (normal operating condition)) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: disconnected connected (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • p5v_cmon_a[ /lrs/hk_1120/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: LRS_HK +5VDC Current Monitor (Type is String)
        • units: amps (Type is String)
        • source: LRS_HK (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Amperage of +5VDC Current Monitor - 0x0000 = 0.000 A; 0xFFFF = +0.400 A : A_LRS_HK.ANALOGHK[8] (Type is String)
        • coordinates: delta_time (Type is String)
    • spwstat_lp_err[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: LRS_HK Spacewire Status Register - Last Packet Error (Type is String)
        • units: 1 (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 3 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: This is the Last Packet Error Code portion of the LRS spacewire interface register. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: no_error eep_rec incomplete_sw invalid (Type is String)
        • flag_values: 0, 1, 2, 3 (Type is Int8)
    • sysstat_ldca_cable[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: LRS_HK System Status Register - LDC Analog Cable Status (Type is String)
        • units: 1 (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: The current status of the LRS FPGA LDCA (Laser Detector Card Analog) Cable. (0 = DISCONNECTED (abnormal condition); 1 = CONNECTED (normal operating condition)) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: disconnected connected (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • spwstat_st_f[ /lrs/hk_1120/delta_time= 0..422] (Type is Int8)
      • attributes
        • long_name: LRS_HK Spacewire Status Register - Status (Type is String)
        • units: 1 (Type is String)
        • source: LRS_HK (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: This is the status flag portion of the LRS spacewire interface status register. (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: not_running running (Type is String)
        • flag_values: 0, 1 (Type is Int8)
orbit_info(Type is Group)
  • attributes
    • Description: Contains orbit information. (Type is String)
    • data_rate: Data within this group are stored at the data rate of the source PCE Altimetric Data Packets. (nominally fifty per second.) (Type is String)
Dimensions: [ /orbit_info/delta_time = 0..0 ]
  • cycle_number[ /orbit_info/delta_time= 0..0] (Type is Int8)
    • attributes
      • long_name: Cycle Number (Type is String)
      • units: 1 (Type is String)
      • valid_min: 0 (Type is Int8)
      • valid_max: 50 (Type is Int8)
      • contentType: referenceInformation (Type is String)
      • description: A count of the number of exact repeats of this reference orbit. (Type is String)
      • coordinates: delta_time (Type is String)
      • source: Operations (Type is String)
  • delta_time[ /orbit_info/delta_time= 0..0] (Type is Float64)
    • attributes
      • long_name: Granule Start Time (Type is String)
      • standard_name: time (Type is String)
      • units: seconds since 2018-01-01 (Type is String)
      • source: Operations (Type is String)
      • contentType: referenceInformation (Type is String)
      • description: Number of GPS seconds since the ATLAS SDP epoch at the start of the granule. At the time of ATL02 creation, the equator crossing time is not precisely known.. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
  • orbit_number[ /orbit_info/delta_time= 0..0] (Type is UInt16)
    • attributes
      • long_name: Orbit Number (Type is String)
      • units: 1 (Type is String)
      • valid_min: 1 (Type is UInt16)
      • valid_max: 65000 (Type is UInt16)
      • contentType: referenceInformation (Type is String)
      • description: Unique identifying number for each planned ICESat-2 orbit. (Type is String)
      • coordinates: delta_time (Type is String)
      • source: Operations (Type is String)
  • rgt[ /orbit_info/delta_time= 0..0] (Type is Int16)
    • attributes
      • long_name: Reference Ground track (Type is String)
      • units: 1 (Type is String)
      • source: Operations (Type is String)
      • valid_min: 1 (Type is Int16)
      • valid_max: 1387 (Type is Int16)
      • contentType: referenceInformation (Type is String)
      • description: The reference ground track (RGT) is the track on the earth at which a specified unit vector within the observatory is pointed. Under nominal operating conditions, there will be no data collected along the RGT, as the RGT is spanned by GT3 and GT4. During slews or off-pointing, it is possible that ground tracks may intersect the RGT. The ICESat-2 mission has 1387 RGTs. (Type is String)
      • coordinates: delta_time (Type is String)
quality_assessment(Type is Group)
  • attributes
    • Description: Contains quality assessment data. This may include QA counters, QA along-track data and/or QA summary data. (Type is String)
Dimensions: [ /quality_assessment/ds_statistics = 0..4 ]
  • ds_statistics[ /quality_assessment/ds_statistics= 0..4] (Type is Int8)
    • attributes
      • long_name: Dimension scale for QA statistics (Type is String)
      • units: 1 (Type is String)
      • source: Derived (QA) (Type is String)
      • contentType: qualityInformation (Type is String)
      • description: QA statistics array index (Type is String)
      • flag_meanings: number_of_points minimum maximum average standard_deviation (Type is String)
      • flag_values: 1, 2, 3, 4, 5 (Type is Int8)
  • qa_granule_fail_reason[ 0..0] (Type is Int32)
    • attributes
      • long_name: Granule Failure Reason (Type is String)
      • units: 1 (Type is String)
      • valid_min: 0 (Type is Int32)
      • valid_max: 5 (Type is Int32)
      • contentType: qualityInformation (Type is String)
      • description: Flag indicating granule failure reason. 0=no failure; 1=processing error; 2=Insufficient output data was generated; 3=An uncorrected TxRx slip condition was detected; 4=TBD_Failure; 5=other failure. (Type is String)
      • flag_meanings: no_failure NO_SIM_HK NO_PMF_TIME TIME_OF_DAY_FAILURE TIME_OF_FLIGHT_FAILURE OTHER_FAILURE (Type is String)
      • flag_values: 0, 1, 2, 3, 4, 5 (Type is Int32)
      • source: Operations (Type is String)
  • qa_granule_pass_fail[ 0..0] (Type is Int32)
    • attributes
      • long_name: Granule Pass Flag (Type is String)
      • units: 1 (Type is String)
      • valid_min: 0 (Type is Int32)
      • valid_max: 1 (Type is Int32)
      • contentType: qualityInformation (Type is String)
      • description: Flag indicating granule quality. 0=granule passes automatic QA. 1=granule fails automatic QA. (Type is String)
      • flag_meanings: PASS FAIL (Type is String)
      • flag_values: 0, 1 (Type is Int32)
      • source: Operations (Type is String)
  • along_track(Type is Group)
    • attributes
      • Description: Along-track statistics (Type is String)
    Dimensions: [ /quality_assessment/along_track/delta_time_start = 0..42 ]
    • delta_time_end[ /quality_assessment/along_track/delta_time_start= 0..42] (Type is Float64)
      • attributes
        • long_name: Elapsed GPS seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Derived via Time Tagging (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Number of seconds since the ATLAS SDP epoch at the end of the QA interval. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
    • delta_time_start[ /quality_assessment/along_track/delta_time_start= 0..42] (Type is Float64)
      • attributes
        • long_name: Elapsed UTC seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Derived via Time Tagging (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Number of seconds since the ATLAS SDP epoch at the start of the QA interval. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
    • pce1(Type is Group)
      • attributes
        • Description: Along-track statistics (Type is String)
      • qa_at_n_dupe[ /quality_assessment/along_track/delta_time_start= 0..42] (Type is Int32)
        • attributes
          • long_name: Number of duplicates (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of duplicate Rx events detected in the along-track interval. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_at_n_rx_w[ /quality_assessment/along_track/delta_time_start= 0..42] (Type is Int32)
        • attributes
          • units: counts (Type is String)
          • long_name: Number of Weak Rx Events (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Weak Rx events in the along-track interval. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_at_n_rx_s[ /quality_assessment/along_track/delta_time_start= 0..42] (Type is Int32)
        • attributes
          • units: counts (Type is String)
          • long_name: Number of Strong Rx Events (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Strong Rx events in the along-track interval. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_at_n_tep[ /quality_assessment/along_track/delta_time_start= 0..42] (Type is Int32)
        • attributes
          • long_name: Number of TEPs (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of TEP events detected in the along-track interval. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_at_n_tx[ /quality_assessment/along_track/delta_time_start= 0..42] (Type is Int32)
        • attributes
          • long_name: Number of Tx Pulses (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Tx Pulses in the along-track interval. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_at_tx_ll_stat[ /quality_assessment/along_track/delta_time_start= 0..42] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA Tx LL Stat (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Along-track statistic of Transmit Leading Lower time of flight. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_at_tx_other_stat[ /quality_assessment/along_track/delta_time_start= 0..42] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA Tx Other Stat (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Along-track statistic of the Other Transmit time of flight measurement. For PCE1, this is Transmit Leading Upper edge (LU) time; for PCE2 this is Transmit Trailing Upper edge (TU) time; and for PCE3 this is Transmit Trailing Lower edge (TL) time. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
    • pce2(Type is Group)
      • attributes
        • Description: Along-track statistics (Type is String)
      • qa_at_n_dupe[ /quality_assessment/along_track/delta_time_start= 0..42] (Type is Int32)
        • attributes
          • long_name: Number of duplicates (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of duplicate Rx events detected in the along-track interval. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_at_n_rx_w[ /quality_assessment/along_track/delta_time_start= 0..42] (Type is Int32)
        • attributes
          • units: counts (Type is String)
          • long_name: Number of Weak Rx Events (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Weak Rx events in the along-track interval. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_at_n_rx_s[ /quality_assessment/along_track/delta_time_start= 0..42] (Type is Int32)
        • attributes
          • units: counts (Type is String)
          • long_name: Number of Strong Rx Events (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Strong Rx events in the along-track interval. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_at_n_tep[ /quality_assessment/along_track/delta_time_start= 0..42] (Type is Int32)
        • attributes
          • long_name: Number of TEPs (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of TEP events detected in the along-track interval. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_at_n_tx[ /quality_assessment/along_track/delta_time_start= 0..42] (Type is Int32)
        • attributes
          • long_name: Number of Tx Pulses (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Tx Pulses in the along-track interval. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_at_tx_ll_stat[ /quality_assessment/along_track/delta_time_start= 0..42] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA Tx LL Stat (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Along-track statistic of Transmit Leading Lower time of flight. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_at_tx_other_stat[ /quality_assessment/along_track/delta_time_start= 0..42] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA Tx Other Stat (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Along-track statistic of the Other Transmit time of flight measurement. For PCE1, this is Transmit Leading Upper edge (LU) time; for PCE2 this is Transmit Trailing Upper edge (TU) time; and for PCE3 this is Transmit Trailing Lower edge (TL) time. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
    • pce3(Type is Group)
      • attributes
        • Description: Along-track statistics (Type is String)
      • qa_at_n_dupe[ /quality_assessment/along_track/delta_time_start= 0..42] (Type is Int32)
        • attributes
          • long_name: Number of duplicates (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of duplicate Rx events detected in the along-track interval. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_at_n_rx_w[ /quality_assessment/along_track/delta_time_start= 0..42] (Type is Int32)
        • attributes
          • units: counts (Type is String)
          • long_name: Number of Weak Rx Events (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Weak Rx events in the along-track interval. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_at_n_rx_s[ /quality_assessment/along_track/delta_time_start= 0..42] (Type is Int32)
        • attributes
          • units: counts (Type is String)
          • long_name: Number of Strong Rx Events (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Strong Rx events in the along-track interval. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_at_n_tx[ /quality_assessment/along_track/delta_time_start= 0..42] (Type is Int32)
        • attributes
          • long_name: Number of Tx Pulses (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Tx Pulses in the along-track interval. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_at_tx_ll_stat[ /quality_assessment/along_track/delta_time_start= 0..42] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA Tx LL Stat (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Along-track statistic of Transmit Leading Lower time of flight. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_at_tx_other_stat[ /quality_assessment/along_track/delta_time_start= 0..42] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA Tx Other Stat (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Along-track statistic of the Other Transmit time of flight measurement. For PCE1, this is Transmit Leading Upper edge (LU) time; for PCE2 this is Transmit Trailing Upper edge (TU) time; and for PCE3 this is Transmit Trailing Lower edge (TL) time. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
  • event_counts(Type is Group)
    • attributes
      • Description: Event count statistics (Type is String)
    • pce1(Type is Group)
      • attributes
        • Description: Per-PCE event count statistics (Type is String)
      • edac_starttag_fifo_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACStartTagFIFO_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACStartTagFIFO_DBE bit (Type is String)
      • tdc_fifo_empty[ 0..0] (Type is Int32)
        • attributes
          • long_name: TDC_FIFOEmpty changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the TDC_FIFOEmpty bit (Type is String)
      • burst_fifo_empty[ 0..0] (Type is Int32)
        • attributes
          • long_name: Burst_FIFOEmpty changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the Burst_FIFOEmpty bit (Type is String)
      • tdc_fifo_went_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: TDC_FIFOWentFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the TDC_FIFOWentFull bit (Type is String)
      • alt_t0_cnt[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_t0_cnt instances (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the alt_t0_cnt increment is not 200. (Type is String)
      • sdram_mismatch_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: SDRAMMismatch_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the SDRAMMismatch_Err bit (Type is String)
      • mframe_gap[ 0..0] (Type is Int32)
        • attributes
          • long_name: major frame gap instances (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where there is a gap in the major_frame counter values. (Type is String)
      • did_not_finish_writing_data_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: DidNotFinishWritingData_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the DidNotFinishWritingData_Err bit (Type is String)
      • tdc_fifo_half_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: TDC_FIFOHalfFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the TDC_FIFOHalfFull bit (Type is String)
      • did_not_finish_transfer_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: DidNotFinishTransfer_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the DidNotFinishTransfer_Err bit (Type is String)
      • alt_sci_seg_limit[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_sci_seg_limit changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_sci_seg_limit (Type is String)
      • tdc_weak_path_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: TDC_WeakPath_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the TDC_WeakPath_Err bit (Type is String)
      • edac_card_readout_ram_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACCardReadoutRAM_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACCardReadoutRAM_SBE bit (Type is String)
      • edac_mf_number_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACMFNumber_SBE changes (Type is String)
          • units: 1 (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACMFNumber_SBE bit (Type is String)
          • source: dfc_hk (Type is String)
      • packetizer_a_fifo_went_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: PacketizerA_FIFOWentFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the PacketizerA_FIFOWentFull bit (Type is String)
      • spw_rx_invalid_opcode_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: SpwRxInvalidOpcode_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the SpwRxInvalidOpcode_Err bit (Type is String)
      • edac_packet_fifo_b_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACPacketFIFO_B_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACPacketFIFO_B_DBE bit (Type is String)
      • alt_gp_reg[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_gp_reg changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_gp_reg (Type is String)
      • edac_card_creation_ram_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACCardCreationRAM_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACCardCreationRAM_SBE bit (Type is String)
      • nested_exit[ 0..0] (Type is Int32)
        • attributes
          • long_name: Number of nested_exits (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where a nested_exit condition is possible. (Type is String)
      • mode[ 0..0] (Type is Int32)
        • attributes
          • long_name: mode changes (Type is String)
          • units: 1 (Type is String)
          • source: pmf_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the mode (Type is String)
      • cmd_err_cntr[ 0..0] (Type is Int32)
        • attributes
          • long_name: cmd_err_cntr changes (Type is String)
          • units: 1 (Type is String)
          • source: pmf_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the cmd_err_cntr (Type is String)
      • starttag_fifo_went_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: StartTag_FIFOWentFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the StartTag_FIFOWentFull bit (Type is String)
      • packetizer_a_fifo_empty[ 0..0] (Type is Int32)
        • attributes
          • long_name: PacketizerA_FIFOEmpty changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the PacketizerA_FIFOEmpty bit (Type is String)
      • edac_burst_fifo_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACBurstFIFO_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACBurstFIFO_SBE bit (Type is String)
      • edac_singlebit_error_cnt[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACSingleBitErrorCnt changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACSingleBitErrorCnt byte (Type is String)
      • spw_rx_invalid_length_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: SpwRxInvalidLength_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the SpwRxInvalidLength_Err bit (Type is String)
      • edac_sdram_a_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACSDRAM_A_DBEchanges (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACSDRAM_A_DBE bit (Type is String)
      • spw_not_ready_cnt[ 0..0] (Type is Int32)
        • attributes
          • long_name: spw_not_ready_cnt changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in spw_not_ready_cnt (Type is String)
      • alt_write_watchdog[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_write_watchdog changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_write_watchdog (Type is String)
      • tracking_fifo_empty[ 0..0] (Type is Int32)
        • attributes
          • long_name: Tracking_FIFOEmpty changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the Tracking_FIFOEmpty bit (Type is String)
      • start_data_collection[ 0..0] (Type is Int32)
        • attributes
          • long_name: StartDataCollection changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the StartDataCollection bit (Type is String)
      • edac_packet_fifo_b_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACPacketFIFO_B_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACPacketFIFO_B_SBE bit (Type is String)
      • alt_dupe_margin[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_dupe_margin changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_dupe_margin (Type is String)
      • edac_start_tag_fifo_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACStartTagFIFO_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACStartTagFIFO_SBE bit (Type is String)
      • edac_start_tracking_fifo_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACStartTrackingFIFO_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACStartTrackingFIFO_SBE bit (Type is String)
      • autorestartdfccount[ 0..0] (Type is Int32)
        • attributes
          • long_name: autorestartdfccount changes (Type is String)
          • units: 1 (Type is String)
          • source: pmf_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the autorestartdfccount (Type is String)
      • edac_packet_fifo_a_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACPacketFIFO_A_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACPacketFIFO_A_DBE bit (Type is String)
      • alt_mframe_freq[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_mframe_freq changes (Type is String)
          • units: 1 (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_mframe_freq (Type is String)
          • source: dfc_hk (Type is String)
      • edac_card_flag_ram_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACCardFlagRAM_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACCardFlagRAM_SBE bit (Type is String)
      • edac_sdram_b_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACSDRAM_B_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACSDRAM_B_SBE bit (Type is String)
      • alt_config[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_config changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_config (Type is String)
      • edac_start_tag_fifo_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACStartTagFIFO_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACStartTagFIFO_DBE bit (Type is String)
      • spw_rx_eep_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: SpwRxEEP_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the SpwRxEEP_Err bit (Type is String)
      • spw_disconnect_err_cnt[ 0..0] (Type is Int32)
        • attributes
          • long_name: SpWDisconnectErrorCount changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the SpWDisconnectErrorCount bit (Type is String)
      • edac_eventtag_fifo_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACEventTagFIFO_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACEventTagFIFO_DBE bit (Type is String)
      • edac_eventtag_fifo_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACEventTagFIFO_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACEventTagFIFO_SBE bit (Type is String)
      • tdc_strong_path_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: TDC_StrongPath_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the TDC_StrongPath_Err bit (Type is String)
      • activeknobstable[ 0..0] (Type is Int32)
        • attributes
          • long_name: activeknobstable changes (Type is String)
          • units: 1 (Type is String)
          • source: pmf_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the activeknobstable (Type is String)
      • packetizer_b_fifo_empty[ 0..0] (Type is Int32)
        • attributes
          • long_name: PacketizerB_FIFOEmpty changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the PacketizerB_FIFOEmpty bit (Type is String)
      • tracking_fifo_went_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: Tracking_FIFOWentFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the Tracking_FIFOWentFull bit (Type is String)
      • alt_sci_addr[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_sci_addr changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_sci_addr (Type is String)
      • tx_pulses_in_majorframe[ 0..0] (Type is Int32)
        • attributes
          • long_name: TxPulsesInMajorFrame changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the TxPulsesInMajorFrame bit (Type is String)
      • edac_card_creation_ram_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACCardCreationRAM_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACCardCreationRAM_DBE bit (Type is String)
      • cmd_suc_cntr[ 0..0] (Type is Int32)
        • attributes
          • long_name: cmd_suc_cntr changes (Type is String)
          • units: 1 (Type is String)
          • source: pmf_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the cmd_suc_cntr (Type is String)
      • edac_packet_fifo_a_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACPacketFIFO_A_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACPacketFIFO_A_SBE bit (Type is String)
      • alt_wait_watchdog[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_wait_watchdog changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_wait_watchdog (Type is String)
      • packetizer_b_fifo_went_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: PacketizerB_FIFOWentFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the PacketizerB_FIFOWentFull bit (Type is String)
      • burst_fifo_went_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: Burst_FIFOWentFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the Burst_FIFOWentFull bit (Type is String)
      • spw_debug_mux_out[ 0..0] (Type is Int32)
        • attributes
          • long_name: SpWDebugMuxOut changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the SpWDebugMuxOut bit (Type is String)
      • range_window_dropout_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: RangeWindowDropout_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the RangeWindowDropout_Err bit (Type is String)
      • edac_sdram_b_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACSDRAM_B_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACSDRAM_B_DBE bit (Type is String)
      • card_data_not_finished_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: CardDataNotFinished_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the CardDataNotFinished_Err bit (Type is String)
      • alt_debug_reg[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_debug_reg changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_debug_reg (Type is String)
      • alt_cmd_cnt[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_cmd_cnt increments (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of increments in the alt_cmd_cnt (Type is String)
      • alt_cal_interval[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_cal_interval changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_cal_interval (Type is String)
      • edac_sdram_a_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACSDRAM_A_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACSDRAM_A_SBE bit (Type is String)
      • current_read_sdram_buffer[ 0..0] (Type is Int32)
        • attributes
          • long_name: CurrentReadSDRAMBuffer changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the CurrentReadSDRAMBuffer bit (Type is String)
      • eventtag_fifo_went_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: EventTag_FIFOWentFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EventTag_FIFOWentFull bit (Type is String)
      • edac_start_tracking_fifo_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACStartTrackingFIFO_DBE changes (Type is String)
          • units: 1 (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACStartTrackingFIFO_DBE bit (Type is String)
          • source: dfc_hk (Type is String)
      • spw_parity_err_cnt[ 0..0] (Type is Int32)
        • attributes
          • long_name: SpWParityErrorCount changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the SpWParityErrorCount bit (Type is String)
      • eventtag_fifo_empty[ 0..0] (Type is Int32)
        • attributes
          • long_name: EventTag_FIFOEmpty changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EventTag_FIFOEmpty bit (Type is String)
      • edac_card_readout_ram_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACCardReadoutRAM_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACCardReadoutRAM_DBE bit (Type is String)
      • edac_mf_number_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACMFNumber_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACMFNumber_DBE bit (Type is String)
      • alt_last_opcode[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_last_opcode changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_last_opcode (Type is String)
      • edac_burst_fifo_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACBurstFIFO_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACBurstFIFO_DBE bit (Type is String)
      • starttag_fifo_empty[ 0..0] (Type is Int32)
        • attributes
          • long_name: StartTag_FIFOEmpty changes (Type is String)
          • units: 1 (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the StartTag_FIFOEmpty bit (Type is String)
          • source: dfc_hk (Type is String)
    • pce2(Type is Group)
      • attributes
        • Description: Per-PCE event count statistics (Type is String)
      • edac_starttag_fifo_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACStartTagFIFO_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACStartTagFIFO_DBE bit (Type is String)
      • tdc_fifo_empty[ 0..0] (Type is Int32)
        • attributes
          • long_name: TDC_FIFOEmpty changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the TDC_FIFOEmpty bit (Type is String)
      • burst_fifo_empty[ 0..0] (Type is Int32)
        • attributes
          • long_name: Burst_FIFOEmpty changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the Burst_FIFOEmpty bit (Type is String)
      • tdc_fifo_went_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: TDC_FIFOWentFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the TDC_FIFOWentFull bit (Type is String)
      • alt_t0_cnt[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_t0_cnt instances (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the alt_t0_cnt increment is not 200. (Type is String)
      • sdram_mismatch_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: SDRAMMismatch_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the SDRAMMismatch_Err bit (Type is String)
      • mframe_gap[ 0..0] (Type is Int32)
        • attributes
          • long_name: major frame gap instances (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where there is a gap in the major_frame counter values. (Type is String)
      • did_not_finish_writing_data_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: DidNotFinishWritingData_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the DidNotFinishWritingData_Err bit (Type is String)
      • tdc_fifo_half_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: TDC_FIFOHalfFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the TDC_FIFOHalfFull bit (Type is String)
      • did_not_finish_transfer_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: DidNotFinishTransfer_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the DidNotFinishTransfer_Err bit (Type is String)
      • alt_sci_seg_limit[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_sci_seg_limit changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_sci_seg_limit (Type is String)
      • tdc_weak_path_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: TDC_WeakPath_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the TDC_WeakPath_Err bit (Type is String)
      • edac_card_readout_ram_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACCardReadoutRAM_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACCardReadoutRAM_SBE bit (Type is String)
      • edac_mf_number_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACMFNumber_SBE changes (Type is String)
          • units: 1 (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACMFNumber_SBE bit (Type is String)
          • source: dfc_hk (Type is String)
      • packetizer_a_fifo_went_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: PacketizerA_FIFOWentFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the PacketizerA_FIFOWentFull bit (Type is String)
      • spw_rx_invalid_opcode_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: SpwRxInvalidOpcode_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the SpwRxInvalidOpcode_Err bit (Type is String)
      • edac_packet_fifo_b_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACPacketFIFO_B_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACPacketFIFO_B_DBE bit (Type is String)
      • alt_gp_reg[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_gp_reg changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_gp_reg (Type is String)
      • edac_card_creation_ram_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACCardCreationRAM_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACCardCreationRAM_SBE bit (Type is String)
      • nested_exit[ 0..0] (Type is Int32)
        • attributes
          • long_name: Number of nested_exits (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where a nested_exit condition is possible. (Type is String)
      • mode[ 0..0] (Type is Int32)
        • attributes
          • long_name: mode changes (Type is String)
          • units: 1 (Type is String)
          • source: pmf_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the mode (Type is String)
      • cmd_err_cntr[ 0..0] (Type is Int32)
        • attributes
          • long_name: cmd_err_cntr changes (Type is String)
          • units: 1 (Type is String)
          • source: pmf_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the cmd_err_cntr (Type is String)
      • starttag_fifo_went_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: StartTag_FIFOWentFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the StartTag_FIFOWentFull bit (Type is String)
      • packetizer_a_fifo_empty[ 0..0] (Type is Int32)
        • attributes
          • long_name: PacketizerA_FIFOEmpty changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the PacketizerA_FIFOEmpty bit (Type is String)
      • edac_burst_fifo_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACBurstFIFO_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACBurstFIFO_SBE bit (Type is String)
      • edac_singlebit_error_cnt[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACSingleBitErrorCnt changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACSingleBitErrorCnt byte (Type is String)
      • spw_rx_invalid_length_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: SpwRxInvalidLength_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the SpwRxInvalidLength_Err bit (Type is String)
      • edac_sdram_a_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACSDRAM_A_DBEchanges (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACSDRAM_A_DBE bit (Type is String)
      • spw_not_ready_cnt[ 0..0] (Type is Int32)
        • attributes
          • long_name: spw_not_ready_cnt changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in spw_not_ready_cnt (Type is String)
      • alt_write_watchdog[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_write_watchdog changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_write_watchdog (Type is String)
      • tracking_fifo_empty[ 0..0] (Type is Int32)
        • attributes
          • long_name: Tracking_FIFOEmpty changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the Tracking_FIFOEmpty bit (Type is String)
      • start_data_collection[ 0..0] (Type is Int32)
        • attributes
          • long_name: StartDataCollection changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the StartDataCollection bit (Type is String)
      • edac_packet_fifo_b_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACPacketFIFO_B_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACPacketFIFO_B_SBE bit (Type is String)
      • alt_dupe_margin[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_dupe_margin changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_dupe_margin (Type is String)
      • edac_start_tag_fifo_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACStartTagFIFO_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACStartTagFIFO_SBE bit (Type is String)
      • edac_start_tracking_fifo_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACStartTrackingFIFO_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACStartTrackingFIFO_SBE bit (Type is String)
      • autorestartdfccount[ 0..0] (Type is Int32)
        • attributes
          • long_name: autorestartdfccount changes (Type is String)
          • units: 1 (Type is String)
          • source: pmf_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the autorestartdfccount (Type is String)
      • edac_packet_fifo_a_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACPacketFIFO_A_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACPacketFIFO_A_DBE bit (Type is String)
      • alt_mframe_freq[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_mframe_freq changes (Type is String)
          • units: 1 (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_mframe_freq (Type is String)
          • source: dfc_hk (Type is String)
      • edac_card_flag_ram_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACCardFlagRAM_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACCardFlagRAM_SBE bit (Type is String)
      • edac_sdram_b_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACSDRAM_B_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACSDRAM_B_SBE bit (Type is String)
      • alt_config[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_config changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_config (Type is String)
      • edac_start_tag_fifo_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACStartTagFIFO_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACStartTagFIFO_DBE bit (Type is String)
      • spw_rx_eep_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: SpwRxEEP_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the SpwRxEEP_Err bit (Type is String)
      • spw_disconnect_err_cnt[ 0..0] (Type is Int32)
        • attributes
          • long_name: SpWDisconnectErrorCount changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the SpWDisconnectErrorCount bit (Type is String)
      • edac_eventtag_fifo_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACEventTagFIFO_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACEventTagFIFO_DBE bit (Type is String)
      • edac_eventtag_fifo_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACEventTagFIFO_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACEventTagFIFO_SBE bit (Type is String)
      • tdc_strong_path_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: TDC_StrongPath_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the TDC_StrongPath_Err bit (Type is String)
      • activeknobstable[ 0..0] (Type is Int32)
        • attributes
          • long_name: activeknobstable changes (Type is String)
          • units: 1 (Type is String)
          • source: pmf_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the activeknobstable (Type is String)
      • packetizer_b_fifo_empty[ 0..0] (Type is Int32)
        • attributes
          • long_name: PacketizerB_FIFOEmpty changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the PacketizerB_FIFOEmpty bit (Type is String)
      • tracking_fifo_went_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: Tracking_FIFOWentFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the Tracking_FIFOWentFull bit (Type is String)
      • alt_sci_addr[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_sci_addr changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_sci_addr (Type is String)
      • tx_pulses_in_majorframe[ 0..0] (Type is Int32)
        • attributes
          • long_name: TxPulsesInMajorFrame changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the TxPulsesInMajorFrame bit (Type is String)
      • edac_card_creation_ram_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACCardCreationRAM_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACCardCreationRAM_DBE bit (Type is String)
      • cmd_suc_cntr[ 0..0] (Type is Int32)
        • attributes
          • long_name: cmd_suc_cntr changes (Type is String)
          • units: 1 (Type is String)
          • source: pmf_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the cmd_suc_cntr (Type is String)
      • edac_packet_fifo_a_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACPacketFIFO_A_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACPacketFIFO_A_SBE bit (Type is String)
      • alt_wait_watchdog[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_wait_watchdog changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_wait_watchdog (Type is String)
      • packetizer_b_fifo_went_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: PacketizerB_FIFOWentFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the PacketizerB_FIFOWentFull bit (Type is String)
      • burst_fifo_went_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: Burst_FIFOWentFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the Burst_FIFOWentFull bit (Type is String)
      • spw_debug_mux_out[ 0..0] (Type is Int32)
        • attributes
          • long_name: SpWDebugMuxOut changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the SpWDebugMuxOut bit (Type is String)
      • range_window_dropout_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: RangeWindowDropout_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the RangeWindowDropout_Err bit (Type is String)
      • edac_sdram_b_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACSDRAM_B_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACSDRAM_B_DBE bit (Type is String)
      • card_data_not_finished_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: CardDataNotFinished_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the CardDataNotFinished_Err bit (Type is String)
      • alt_debug_reg[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_debug_reg changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_debug_reg (Type is String)
      • alt_cmd_cnt[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_cmd_cnt increments (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of increments in the alt_cmd_cnt (Type is String)
      • alt_cal_interval[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_cal_interval changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_cal_interval (Type is String)
      • edac_sdram_a_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACSDRAM_A_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACSDRAM_A_SBE bit (Type is String)
      • current_read_sdram_buffer[ 0..0] (Type is Int32)
        • attributes
          • long_name: CurrentReadSDRAMBuffer changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the CurrentReadSDRAMBuffer bit (Type is String)
      • eventtag_fifo_went_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: EventTag_FIFOWentFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EventTag_FIFOWentFull bit (Type is String)
      • edac_start_tracking_fifo_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACStartTrackingFIFO_DBE changes (Type is String)
          • units: 1 (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACStartTrackingFIFO_DBE bit (Type is String)
          • source: dfc_hk (Type is String)
      • spw_parity_err_cnt[ 0..0] (Type is Int32)
        • attributes
          • long_name: SpWParityErrorCount changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the SpWParityErrorCount bit (Type is String)
      • eventtag_fifo_empty[ 0..0] (Type is Int32)
        • attributes
          • long_name: EventTag_FIFOEmpty changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EventTag_FIFOEmpty bit (Type is String)
      • edac_card_readout_ram_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACCardReadoutRAM_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACCardReadoutRAM_DBE bit (Type is String)
      • edac_mf_number_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACMFNumber_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACMFNumber_DBE bit (Type is String)
      • alt_last_opcode[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_last_opcode changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_last_opcode (Type is String)
      • edac_burst_fifo_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACBurstFIFO_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACBurstFIFO_DBE bit (Type is String)
      • starttag_fifo_empty[ 0..0] (Type is Int32)
        • attributes
          • long_name: StartTag_FIFOEmpty changes (Type is String)
          • units: 1 (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the StartTag_FIFOEmpty bit (Type is String)
          • source: dfc_hk (Type is String)
    • pce3(Type is Group)
      • attributes
        • Description: Per-PCE event count statistics (Type is String)
      • edac_starttag_fifo_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACStartTagFIFO_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACStartTagFIFO_DBE bit (Type is String)
      • tdc_fifo_empty[ 0..0] (Type is Int32)
        • attributes
          • long_name: TDC_FIFOEmpty changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the TDC_FIFOEmpty bit (Type is String)
      • burst_fifo_empty[ 0..0] (Type is Int32)
        • attributes
          • long_name: Burst_FIFOEmpty changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the Burst_FIFOEmpty bit (Type is String)
      • tdc_fifo_went_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: TDC_FIFOWentFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the TDC_FIFOWentFull bit (Type is String)
      • alt_t0_cnt[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_t0_cnt instances (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the alt_t0_cnt increment is not 200. (Type is String)
      • sdram_mismatch_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: SDRAMMismatch_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the SDRAMMismatch_Err bit (Type is String)
      • mframe_gap[ 0..0] (Type is Int32)
        • attributes
          • long_name: major frame gap instances (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where there is a gap in the major_frame counter values. (Type is String)
      • did_not_finish_writing_data_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: DidNotFinishWritingData_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the DidNotFinishWritingData_Err bit (Type is String)
      • tdc_fifo_half_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: TDC_FIFOHalfFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the TDC_FIFOHalfFull bit (Type is String)
      • did_not_finish_transfer_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: DidNotFinishTransfer_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the DidNotFinishTransfer_Err bit (Type is String)
      • alt_sci_seg_limit[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_sci_seg_limit changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_sci_seg_limit (Type is String)
      • tdc_weak_path_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: TDC_WeakPath_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the TDC_WeakPath_Err bit (Type is String)
      • edac_card_readout_ram_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACCardReadoutRAM_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACCardReadoutRAM_SBE bit (Type is String)
      • edac_mf_number_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACMFNumber_SBE changes (Type is String)
          • units: 1 (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACMFNumber_SBE bit (Type is String)
          • source: dfc_hk (Type is String)
      • packetizer_a_fifo_went_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: PacketizerA_FIFOWentFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the PacketizerA_FIFOWentFull bit (Type is String)
      • spw_rx_invalid_opcode_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: SpwRxInvalidOpcode_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the SpwRxInvalidOpcode_Err bit (Type is String)
      • edac_packet_fifo_b_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACPacketFIFO_B_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACPacketFIFO_B_DBE bit (Type is String)
      • alt_gp_reg[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_gp_reg changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_gp_reg (Type is String)
      • edac_card_creation_ram_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACCardCreationRAM_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACCardCreationRAM_SBE bit (Type is String)
      • nested_exit[ 0..0] (Type is Int32)
        • attributes
          • long_name: Number of nested_exits (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where a nested_exit condition is possible. (Type is String)
      • mode[ 0..0] (Type is Int32)
        • attributes
          • long_name: mode changes (Type is String)
          • units: 1 (Type is String)
          • source: pmf_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the mode (Type is String)
      • cmd_err_cntr[ 0..0] (Type is Int32)
        • attributes
          • long_name: cmd_err_cntr changes (Type is String)
          • units: 1 (Type is String)
          • source: pmf_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the cmd_err_cntr (Type is String)
      • starttag_fifo_went_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: StartTag_FIFOWentFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the StartTag_FIFOWentFull bit (Type is String)
      • packetizer_a_fifo_empty[ 0..0] (Type is Int32)
        • attributes
          • long_name: PacketizerA_FIFOEmpty changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the PacketizerA_FIFOEmpty bit (Type is String)
      • edac_burst_fifo_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACBurstFIFO_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACBurstFIFO_SBE bit (Type is String)
      • edac_singlebit_error_cnt[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACSingleBitErrorCnt changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACSingleBitErrorCnt byte (Type is String)
      • spw_rx_invalid_length_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: SpwRxInvalidLength_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the SpwRxInvalidLength_Err bit (Type is String)
      • edac_sdram_a_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACSDRAM_A_DBEchanges (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACSDRAM_A_DBE bit (Type is String)
      • spw_not_ready_cnt[ 0..0] (Type is Int32)
        • attributes
          • long_name: spw_not_ready_cnt changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in spw_not_ready_cnt (Type is String)
      • alt_write_watchdog[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_write_watchdog changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_write_watchdog (Type is String)
      • tracking_fifo_empty[ 0..0] (Type is Int32)
        • attributes
          • long_name: Tracking_FIFOEmpty changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the Tracking_FIFOEmpty bit (Type is String)
      • start_data_collection[ 0..0] (Type is Int32)
        • attributes
          • long_name: StartDataCollection changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the StartDataCollection bit (Type is String)
      • edac_packet_fifo_b_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACPacketFIFO_B_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACPacketFIFO_B_SBE bit (Type is String)
      • alt_dupe_margin[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_dupe_margin changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_dupe_margin (Type is String)
      • edac_start_tag_fifo_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACStartTagFIFO_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACStartTagFIFO_SBE bit (Type is String)
      • edac_start_tracking_fifo_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACStartTrackingFIFO_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACStartTrackingFIFO_SBE bit (Type is String)
      • autorestartdfccount[ 0..0] (Type is Int32)
        • attributes
          • long_name: autorestartdfccount changes (Type is String)
          • units: 1 (Type is String)
          • source: pmf_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the autorestartdfccount (Type is String)
      • edac_packet_fifo_a_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACPacketFIFO_A_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACPacketFIFO_A_DBE bit (Type is String)
      • alt_mframe_freq[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_mframe_freq changes (Type is String)
          • units: 1 (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_mframe_freq (Type is String)
          • source: dfc_hk (Type is String)
      • edac_card_flag_ram_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACCardFlagRAM_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACCardFlagRAM_SBE bit (Type is String)
      • edac_sdram_b_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACSDRAM_B_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACSDRAM_B_SBE bit (Type is String)
      • alt_config[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_config changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_config (Type is String)
      • edac_start_tag_fifo_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACStartTagFIFO_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACStartTagFIFO_DBE bit (Type is String)
      • spw_rx_eep_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: SpwRxEEP_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the SpwRxEEP_Err bit (Type is String)
      • spw_disconnect_err_cnt[ 0..0] (Type is Int32)
        • attributes
          • long_name: SpWDisconnectErrorCount changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the SpWDisconnectErrorCount bit (Type is String)
      • edac_eventtag_fifo_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACEventTagFIFO_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACEventTagFIFO_DBE bit (Type is String)
      • edac_eventtag_fifo_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACEventTagFIFO_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACEventTagFIFO_SBE bit (Type is String)
      • tdc_strong_path_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: TDC_StrongPath_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the TDC_StrongPath_Err bit (Type is String)
      • activeknobstable[ 0..0] (Type is Int32)
        • attributes
          • long_name: activeknobstable changes (Type is String)
          • units: 1 (Type is String)
          • source: pmf_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the activeknobstable (Type is String)
      • packetizer_b_fifo_empty[ 0..0] (Type is Int32)
        • attributes
          • long_name: PacketizerB_FIFOEmpty changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the PacketizerB_FIFOEmpty bit (Type is String)
      • tracking_fifo_went_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: Tracking_FIFOWentFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the Tracking_FIFOWentFull bit (Type is String)
      • alt_sci_addr[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_sci_addr changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_sci_addr (Type is String)
      • tx_pulses_in_majorframe[ 0..0] (Type is Int32)
        • attributes
          • long_name: TxPulsesInMajorFrame changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the TxPulsesInMajorFrame bit (Type is String)
      • edac_card_creation_ram_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACCardCreationRAM_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACCardCreationRAM_DBE bit (Type is String)
      • cmd_suc_cntr[ 0..0] (Type is Int32)
        • attributes
          • long_name: cmd_suc_cntr changes (Type is String)
          • units: 1 (Type is String)
          • source: pmf_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the cmd_suc_cntr (Type is String)
      • edac_packet_fifo_a_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACPacketFIFO_A_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACPacketFIFO_A_SBE bit (Type is String)
      • alt_wait_watchdog[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_wait_watchdog changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_wait_watchdog (Type is String)
      • packetizer_b_fifo_went_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: PacketizerB_FIFOWentFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the PacketizerB_FIFOWentFull bit (Type is String)
      • burst_fifo_went_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: Burst_FIFOWentFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the Burst_FIFOWentFull bit (Type is String)
      • spw_debug_mux_out[ 0..0] (Type is Int32)
        • attributes
          • long_name: SpWDebugMuxOut changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the SpWDebugMuxOut bit (Type is String)
      • range_window_dropout_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: RangeWindowDropout_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the RangeWindowDropout_Err bit (Type is String)
      • edac_sdram_b_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACSDRAM_B_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACSDRAM_B_DBE bit (Type is String)
      • card_data_not_finished_err[ 0..0] (Type is Int32)
        • attributes
          • long_name: CardDataNotFinished_Err changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the CardDataNotFinished_Err bit (Type is String)
      • alt_debug_reg[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_debug_reg changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_debug_reg (Type is String)
      • alt_cmd_cnt[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_cmd_cnt increments (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of increments in the alt_cmd_cnt (Type is String)
      • alt_cal_interval[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_cal_interval changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_cal_interval (Type is String)
      • edac_sdram_a_sbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACSDRAM_A_SBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACSDRAM_A_SBE bit (Type is String)
      • current_read_sdram_buffer[ 0..0] (Type is Int32)
        • attributes
          • long_name: CurrentReadSDRAMBuffer changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the CurrentReadSDRAMBuffer bit (Type is String)
      • eventtag_fifo_went_full[ 0..0] (Type is Int32)
        • attributes
          • long_name: EventTag_FIFOWentFull changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EventTag_FIFOWentFull bit (Type is String)
      • edac_start_tracking_fifo_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACStartTrackingFIFO_DBE changes (Type is String)
          • units: 1 (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACStartTrackingFIFO_DBE bit (Type is String)
          • source: dfc_hk (Type is String)
      • spw_parity_err_cnt[ 0..0] (Type is Int32)
        • attributes
          • long_name: SpWParityErrorCount changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the SpWParityErrorCount bit (Type is String)
      • eventtag_fifo_empty[ 0..0] (Type is Int32)
        • attributes
          • long_name: EventTag_FIFOEmpty changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EventTag_FIFOEmpty bit (Type is String)
      • edac_card_readout_ram_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACCardReadoutRAM_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACCardReadoutRAM_DBE bit (Type is String)
      • edac_mf_number_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACMFNumber_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACMFNumber_DBE bit (Type is String)
      • alt_last_opcode[ 0..0] (Type is Int32)
        • attributes
          • long_name: alt_last_opcode changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the alt_last_opcode (Type is String)
      • edac_burst_fifo_dbe[ 0..0] (Type is Int32)
        • attributes
          • long_name: EDACBurstFIFO_DBE changes (Type is String)
          • units: 1 (Type is String)
          • source: dfc_hk (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the EDACBurstFIFO_DBE bit (Type is String)
      • starttag_fifo_empty[ 0..0] (Type is Int32)
        • attributes
          • long_name: StartTag_FIFOEmpty changes (Type is String)
          • units: 1 (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of changes in the StartTag_FIFOEmpty bit (Type is String)
          • source: dfc_hk (Type is String)
  • record_counts(Type is Group)
    • attributes
      • Description: Packet count statistics (Type is String)
    Dimensions: [ /quality_assessment/record_counts/delta_time_start = 0..0 ]
    • delta_time_end[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Float64)
      • attributes
        • long_name: Elapsed GPS seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Derived via Time Tagging (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Number of seconds since the ATLAS SDP epoch at the end of the interval. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
    • qa_n_lrs_laser_cent[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of LRS Laser Centroid inputs. (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of LRS Laser Centroid inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_n_lrs_laser_window[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of LRS Laser Window inputs. (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of LRS Laser Window inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_n_a_hkt_e[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of A_HKT_E inputs. (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of A_HKT_E inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_n_a_hkt_b[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of A_HKT_B inputs. (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of A_HKT_B inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_n_a_hkt_d[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of A_HKT_D inputs. (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of A_HKT_D inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_n_a_hkt_status[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of A_HKT_STATUS inputs. (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of A_HKT_STATUS inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_n_sc3[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of SC3 inputs. (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of SC3 inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_n_lrs_hk[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of LRS HK inputs. (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of LRS HK inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_n_lrs_stellar_cent[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of LRS Stellar Centroid inputs. (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of LRS Stellar Centroid inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_n_lrs_stellar_window[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of LRS Stellar Window inputs. (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of LRS Stellar Window inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_n_a_sla_hk[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of A_SLA_HK inputs. (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of A_SLA_HK inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_n_a_mce_pos[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of A_MCE_POS inputs. (Type is String)
        • units: counts (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of A_MCE_POS inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
        • source: Derived (QA) (Type is String)
    • qa_n_a_hkt_c[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of A_HKT_C inputs. (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of A_HKT_C inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_n_sc4[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of SC4 inputs. (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of SC4 inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_n_a_hkt_a[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of A_HKT_A inputs. (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of A_HKT_A inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • delta_time_start[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Float64)
      • attributes
        • long_name: Elapsed GPS seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Derived via Time Tagging (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Number of seconds since the ATLAS SDP epoch at the start of the QA interval. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
    • qa_n_a_sc_pon[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of A_SC_PON inputs. (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of A_SC_PON inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_n_sc1[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of SC1 inputs. (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of SC1 inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_n_a_sc_pos[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of A_SC_POS inputs. (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of A_SC_POS inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_n_a_sc_tat[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of A_SC_TAT inputs. (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of A_SC_TAT inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_n_lrs_laser_image[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of LRS Laser Image inputs. (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of LRS Laser Image inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_n_lrs_stellar_image[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of LRS Stellar Image inputs. (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of LRS Stellar Image inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_n_sim_hk[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of SIM_HK inputs. (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of SIM_HK inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_n_sc2[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of SC2 inputs. (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of SC2 inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_n_lrs_tams_window[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
      • attributes
        • long_name: Number of LRS TAMS Window inputs. (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of LRS TAMS Window inputs processed. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • pce1(Type is Group)
      no attributes
      • qa_n_alt_mframe[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
        • attributes
          • long_name: Number of major frame inputs. (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of major frame inputs processed. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_n_atm_hist_s[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
        • attributes
          • long_name: Number of ATM Strong inputs. (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of ATM strong inputs processed. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_n_atm_hist_w[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
        • attributes
          • long_name: Number of ATM weak inputs. (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of ATM weak inputs processed. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_n_pmf_algorithm_science[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
        • attributes
          • long_name: Number of PMF Algorithm Science inputs. (Type is String)
          • units: counts (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of PMF Algorithm Science inputs processed. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
          • source: Derived (QA) (Type is String)
      • qa_n_pmf_timekeeping[ 0..0] (Type is Int32)
        • attributes
          • long_name: Number of PMF Timekeeping inputs. (Type is String)
          • units: counts (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of PMF TImekeeping inputs processed. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
          • source: Derived (QA) (Type is String)
      • qa_n_a_dfc_hk[ 0..0] (Type is Int32)
        • attributes
          • long_name: Number of DFC HK Inputs (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of A_DFC_HK inputs processed. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_n_sxp_ssr[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
        • attributes
          • long_name: Number of SXP_SSR inputs. (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of SXP_SSR processed. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
    • pce2(Type is Group)
      no attributes
      • qa_n_alt_mframe[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
        • attributes
          • long_name: Number of major frame inputs. (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of major frame inputs processed. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_n_atm_hist_s[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
        • attributes
          • long_name: Number of ATM Strong inputs. (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of ATM strong inputs processed. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_n_atm_hist_w[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
        • attributes
          • long_name: Number of ATM weak inputs. (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of ATM weak inputs processed. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_n_pmf_algorithm_science[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
        • attributes
          • long_name: Number of PMF Algorithm Science inputs. (Type is String)
          • units: counts (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of PMF Algorithm Science inputs processed. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
          • source: Derived (QA) (Type is String)
      • qa_n_pmf_timekeeping[ 0..0] (Type is Int32)
        • attributes
          • long_name: Number of PMF Timekeeping inputs. (Type is String)
          • units: counts (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of PMF TImekeeping inputs processed. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
          • source: Derived (QA) (Type is String)
      • qa_n_a_dfc_hk[ 0..0] (Type is Int32)
        • attributes
          • long_name: Number of DFC HK Inputs (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of A_DFC_HK inputs processed. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_n_sxp_ssr[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
        • attributes
          • long_name: Number of SXP_SSR inputs. (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of SXP_SSR processed. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
    • pce3(Type is Group)
      no attributes
      • qa_n_alt_mframe[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
        • attributes
          • long_name: Number of major frame inputs. (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of major frame inputs processed. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_n_atm_hist_s[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
        • attributes
          • long_name: Number of ATM Strong inputs. (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of ATM strong inputs processed. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_n_atm_hist_w[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
        • attributes
          • long_name: Number of ATM weak inputs. (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of ATM weak inputs processed. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_n_pmf_algorithm_science[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
        • attributes
          • long_name: Number of PMF Algorithm Science inputs. (Type is String)
          • units: counts (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of PMF Algorithm Science inputs processed. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
          • source: Derived (QA) (Type is String)
      • qa_n_pmf_timekeeping[ 0..0] (Type is Int32)
        • attributes
          • long_name: Number of PMF Timekeeping inputs. (Type is String)
          • units: counts (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of PMF TImekeeping inputs processed. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
          • source: Derived (QA) (Type is String)
      • qa_n_a_dfc_hk[ 0..0] (Type is Int32)
        • attributes
          • long_name: Number of DFC HK Inputs (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of A_DFC_HK inputs processed. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_n_sxp_ssr[ /quality_assessment/record_counts/delta_time_start= 0..0] (Type is Int32)
        • attributes
          • long_name: Number of SXP_SSR inputs. (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of SXP_SSR processed. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
  • summary(Type is Group)
    • attributes
      • Description: Summary statistics (Type is String)
    Dimensions: [ /quality_assessment/summary/delta_time_start = 0..0 ]
    • delta_time_end[ /quality_assessment/summary/delta_time_start= 0..0] (Type is Float64)
      • attributes
        • long_name: Elapsed GPS seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Derived via Time Tagging (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Number of seconds since the ATLAS SDP epoch at the end of the QA interval. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
    • qa_lrs_temp[ 0..0] (Type is Int32)
      • attributes
        • long_name: Num LRS Temp OOB (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Number of instances where the LRS temperature is outside the limit of -20 to 50 degC. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_bias_offset_x[ 0..0] (Type is Int32)
      • attributes
        • long_name: Num Bias Offset X OOB (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Number of instances where the bias offset X value is outside the limit of -70 to 70 microradians. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_s_tod_a_sla_hk[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
      • attributes
        • long_name: QA for a_sla_hk TOD (Type is String)
        • units: counts (Type is String)
        • source: Derived via L1B ATBD (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Summary statistics on the differences between successive A_SLA_HK time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_s_tod_sc_imu[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
      • attributes
        • long_name: QA for sc_imu TOD (Type is String)
        • units: counts (Type is String)
        • source: Derived via L1B ATBD (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Summary statistics on the differences between successive /sc/intertial_measurement_unit time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_lrs_inv_mag[ 0..0] [ 0..5] (Type is Int32)
      • attributes
        • long_name: Num LRS Mag Invalid (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Number of instances where an LRS laser magnitude is outside the limit of 0-500. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_cal47_temp[ 0..0] (Type is Int32)
      • attributes
        • long_name: CAL47 temperature OOB (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Number of instances where the CAL-47 temperature is outside the limit of -20 to 50 degC. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_time_corr[ 0..0] (Type is Int32)
      • attributes
        • long_name: Shot Time correlation OOB (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Where the ratio of unaligned shots/aligned shots exceeds the limit of 0.9; 0=Doesn?t Exceed Limit, 1=Exceeds Limit (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_s_tod_hk_meb[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
      • attributes
        • long_name: QA for hk_pdu TOD (Type is String)
        • units: counts (Type is String)
        • source: Derived via L1B ATBD (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Summary statistics on the differences between successive /atlas/housekeeping/meb time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_internal_temp[ 0..0] (Type is Int32)
      • attributes
        • long_name: Num Internal Temp OOB (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Number of instances where input laser temperature values exceed the limit of 20 to 40 degC. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_internal_energy[ 0..0] (Type is Int32)
      • attributes
        • long_name: Num Internal Energy OOB (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Number of instances where input internal laser energy values exceed the limit of 0 to 200 counts. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_spd_temp[ 0..0] (Type is Int32)
      • attributes
        • long_name: Num SPD Temp OOB (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Number of instances where SPD temperature values exceed the limit of -20 to 50 degC. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_s_tod_gpsr[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
      • attributes
        • long_name: QA for gpsr TOD (Type is String)
        • units: counts (Type is String)
        • source: Derived via L1B ATBD (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Summary statistics on the differences between successive /gpsr time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_lrs_inv_sum[ 0..0] (Type is Int32)
      • attributes
        • long_name: Num LRS Sums Invalid (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Number of instances where the sum of the 6 LRS laser spots is outside the limit of 0 to 2000. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_hvpc_mod_5[ 0..0] (Type is Int32)
      • attributes
        • long_name: Num HVPC Bias Mod 5 OOB (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Number of instances where the HVPC Bias Mod5 value is outside the limit of -2000 to 0 counts. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_bias_offset_y[ 0..0] (Type is Int32)
      • attributes
        • long_name: Num Bias Offset Y OOB (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Number of instances where the bias offset Y value is outside the limit of -70 to 70 microradians. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_fw_flag[ 0..0] (Type is Int32)
      • attributes
        • long_name: Freewheel Indicated (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Number of instances where the freewheel flag is non-zero. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_s_tod_hk_pointing[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
      • attributes
        • long_name: QA for hk_pointing TOD (Type is String)
        • units: counts (Type is String)
        • source: Derived via L1B ATBD (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Summary statistics on the differences between successive /atlas/housekeeping/pointing time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_hvpc_mod_6[ 0..0] (Type is Int32)
      • attributes
        • long_name: Num HVPC Bias Mod 6 OOB (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Number of instances where the HVPC Bias Mod6 value is outside the limit of -2000 to 0 counts. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_int_e_tx[ 0..0] (Type is Int32)
      • attributes
        • long_name: Num Internal Energy OOB (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Number of instances where the computed total internal laser energy is outside the limit of 130 to 2700 microjoules. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • delta_time_start[ /quality_assessment/summary/delta_time_start= 0..0] (Type is Float64)
      • attributes
        • long_name: Elapsed GPS seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Derived via Time Tagging (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
    • qa_s_tod_hk_pdu[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
      • attributes
        • long_name: QA for hk_pdu TOD (Type is String)
        • units: counts (Type is String)
        • source: Derived via L1B ATBD (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Summary statistics on the differences between successive /atlas/housekeeping/pdu time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_s_tod_hk_thermal[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
      • attributes
        • long_name: QA for hk_therm TOD (Type is String)
        • units: counts (Type is String)
        • source: Derived via L1B ATBD (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Summary statistics on the differences between successive /atlas/housekeeping/hk_thermal time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_s_tod_sc_stoh1[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
      • attributes
        • long_name: QA for sc_star_tracker_oh1 TOD (Type is String)
        • units: counts (Type is String)
        • source: Derived via L1B ATBD (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Summary statistics on the differences between successive /sc/star_tracker/optical_head1 time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_s_tod_hk_laser_energy[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
      • attributes
        • long_name: QA for hk_laser_energy TOD (Type is String)
        • units: counts (Type is String)
        • source: Derived via L1B ATBD (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Summary statistics on the differences between successive /atlas/housekeeping/laser_energy time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_s_tod_mce_position[ 0..0] [ 0..4] (Type is Float64)
      • attributes
        • long_name: QA for mce_position TOD (Type is String)
        • units: counts (Type is String)
        • source: Derived via L1B ATBD (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Summary statistics on the differences between successive /atlas/housekeeping/mce_position time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_s_tod_sc_acs[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
      • attributes
        • long_name: QA for acs TOD (Type is String)
        • units: counts (Type is String)
        • source: Derived via L1B ATBD (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Summary statistics on the differences between successive /sc/attitude_control_system time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_spd_energy[ 0..0] (Type is Int32)
      • attributes
        • long_name: Num SPD Energy OOB (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Number of instances where input SPD laser energy values exceed the limit of -30000 to 0 counts. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_hvpc_mod_1[ 0..0] (Type is Int32)
      • attributes
        • long_name: Num HVPC Bias Mod 1 OOB (Type is String)
        • units: counts (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Number of instances where the HVPC Bias Mod1 value is outside the limit of -2000 to 0 counts. (Type is String)
        • coordinates: delta_time_start (Type is String)
        • source: Derived (QA) (Type is String)
    • qa_s_tod_sc_st[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
      • attributes
        • long_name: QA for sc_star_tracker TOD (Type is String)
        • units: counts (Type is String)
        • source: Derived via L1B ATBD (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Summary statistics on the differences between successive /sc/star_tracker time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_hvpc_mod_3[ 0..0] (Type is Int32)
      • attributes
        • long_name: Num HVPC Bias Mod 3 OOB (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Number of instances where the HVPC Bias Mod3 value is outside the limit of -2000 to 0 counts. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_spd_e_tx[ 0..0] (Type is Int32)
      • attributes
        • long_name: Num SPD Energy OOB (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Number of instances where the computed total SPD laser energy is outside the limit of 130 to 2700 microjoules. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_lrs_e_tx[ 0..0] (Type is Int32)
      • attributes
        • long_name: Num LRS Energy OOB (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Number of instances where the computed total LRS laser energy is outside the limit of 130 to 2700 microjoules. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_lrs_inv_spot[ 0..0] (Type is Int32)
      • attributes
        • long_name: Num LRS Spots Missing (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Number of instances where not all 6 laser spots are valid when computing LRS laser energy. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_amet_r1[ 0..0] (Type is Int32)
      • attributes
        • long_name: AMET Increment OOB (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Number of instances where the difference between external AMET counter and the GPS 1PPS exceeds the limit of 1.0. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_hvpc_mod_4[ 0..0] (Type is Int32)
      • attributes
        • long_name: Num HVPC Bias Mod 4 OOB (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Number of instances where the HVPC Bias Mod4 value is outside the limit of -2000 to 0 counts. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_s_tod_hk_tat[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
      • attributes
        • long_name: QA for hk_tat TOD (Type is String)
        • units: counts (Type is String)
        • source: Derived via L1B ATBD (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Summary statistics on the differences between successive /atlas/housekeeping/time_at_the_tone time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_s_tod_hk_pos_vel[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
      • attributes
        • long_name: QA for hk_pos_vel TOD (Type is String)
        • units: counts (Type is String)
        • source: Derived via L1B ATBD (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Summary statistics on the differences between successive /atlas/housekeeping/position_velocity time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_s_tod_sc_ephemeris[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
      • attributes
        • long_name: QA for sc_ephemeris TOD (Type is String)
        • units: counts (Type is String)
        • source: Derived via L1B ATBD (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Summary statistics on the differences between successive /sc/ephemeris time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_s_tod_sc_stoh2[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
      • attributes
        • long_name: QA for sc_star_tracker_oh2 TOD (Type is String)
        • units: counts (Type is String)
        • source: Derived via L1B ATBD (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Summary statistics on the differences between successive /sc/star_tracker/optical_head2 time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_hvpc_mod_2[ 0..0] (Type is Int32)
      • attributes
        • long_name: Num HVPC Bias Mod 2 OOB (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Number of instances where the HVPC Bias Mod2 value is outside the limit of -2000 to 0 counts. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_amet_r2[ 0..0] (Type is Int32)
      • attributes
        • long_name: AMET Increment OOB (Type is String)
        • units: counts (Type is String)
        • source: Derived (QA) (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Number of instances where the difference between internal AMET at 1PPS and GPS 1PPS exceed the limit of 100.e6. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • qa_s_tod_sc_hk[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
      • attributes
        • long_name: QA for sc_hk TOD (Type is String)
        • units: counts (Type is String)
        • source: Derived via L1B ATBD (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: Summary statistics on the differences between successive /sc/hk time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
        • coordinates: delta_time_start (Type is String)
    • pce1(Type is Group)
      no attributes
      • qa_s_alt_cal_fall[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA alt_cal_fall (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistic of the full-rate (before interpolation) alt_cal_fall computation. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_tx_leading_fine[ 0..0] (Type is Int32)
        • attributes
          • long_name: Tx Leading Fine Count OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the Tx leading fine count value exceeds the limit of 75 counts. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_rx_fine_count[ 0..0] (Type is Int32)
        • attributes
          • long_name: Rx Fine Count OOB (Type is String)
          • units: counts (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the Rx fine count value exceeds the limit of 75 counts. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
          • source: Derived (QA) (Type is String)
      • qa_s_n_mf_skip[ 0..0] (Type is Int32)
        • attributes
          • long_name: QA 1P MF missed (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of times major frame counter was not consecutive. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_rx_channel_id[ 0..0] (Type is Int32)
        • attributes
          • long_name: Rx Channel ID OOB (Type is String)
          • units: counts (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the Rx channel ID contains an unexpected value. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
          • source: Derived (QA) (Type is String)
      • qa_ret_sens_w[ 0..0] (Type is Int32)
        • attributes
          • long_name: Num Weak Return Sensitivity OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the computed weak return sensitivity value is outside the limit of 0 to 2e18. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_tod_method[ 0..0] [ 0..4] (Type is Float64)
        • attributes
          • long_name: QA from TOD Methods (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistics on the differences between Time_T0_Method1 and Time _T0_Method2. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_tep_tof[ 0..0] (Type is Int32)
        • attributes
          • long_name: Num TEP OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where TEP TOF values exceed the limit of 0 to 110ns. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_rx_coarse_count[ 0..0] (Type is Int32)
        • attributes
          • long_name: Rx Coarse Count OOB (Type is String)
          • units: counts (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the Rx coarse count value exceeds the limit of 10000 counts. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
          • source: Derived (QA) (Type is String)
      • qa_ret_sens_s[ 0..0] (Type is Int32)
        • attributes
          • long_name: Num Strong Return Sensitivity OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the computed strong return sensitivity value is outside the limit of 0 to 2e18. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_tod_atm_hist_w[ 0..0] [ 0..4] (Type is Float64)
        • attributes
          • long_name: QA for atm_hist_w TOD (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistics on the differences between successive /atlas/pcex/atmosphere_weak time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_tep[ /quality_assessment/summary/delta_time_start= 0..0] (Type is Int32)
        • attributes
          • long_name: Number of TEPs (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of TEP events detected in the granule. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_alt_cal_rise[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA alt_cal_rise (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistic of the full-rate (before interpolation) alt_cal_rise computation. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_tod_atm_hist_s[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA for atm_his_st TOD (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistics on the differences between successive /atlas/pcex/atmosphere_strong time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_tod_background[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA for pcex_background TOD (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistics on the differences between successive /atlas/pcex/background time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_tx_oob[ /quality_assessment/summary/delta_time_start= 0..0] (Type is Int32)
        • attributes
          • long_name: QA number of instances TX out of bounds (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The number of times the Tx count is out of bounds (oob); i.e.: 199 to 201 TX pulses were not reported in a major frame. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_tx_other_stat[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA Tx Other Stat (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistic of the Other Transmit time of flight measurement. For PCE1, this is Transmit Leading Upper edge (LU) time; for PCE2 this is Transmit Trailing Upper edge (TU) time; and for PCE3 this is Transmit Trailing Lower edge (TL) time. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_dupe_percent[ 0..0] [ 0..19] (Type is Int32)
        • attributes
          • long_name: Channel Dupe Percent OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the per-channel number of duplicates is greater than 10% of the total number of per-channel events. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_bg_sens_w[ 0..0] (Type is Int32)
        • attributes
          • long_name: Num Weak Bg Sensitivity OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the computed weak background sensitivity value is outside the limit of 5e17 to 2e18. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_rx_w[ /quality_assessment/summary/delta_time_start= 0..0] (Type is Int64)
        • attributes
          • long_name: Number of Weak Rx Events (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Weak Rx events in the granule. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_1pps_skip[ 0..0] (Type is Int32)
        • attributes
          • long_name: QA 1PPS missed (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of times 1 pps was not consecutive. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_rx_s[ /quality_assessment/summary/delta_time_start= 0..0] (Type is Int64)
        • attributes
          • long_name: Number of Strong Rx Events (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Strong Rx events in the granule. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_tod_alt[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA for pcex_alt TOD (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistics on the differences between successive /atlas/pcex/altimetry time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_missed_thres[ 0..0] (Type is Int64)
        • attributes
          • long_name: Number of Missed Tx Threshold Crossings (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Tx pulses in which a missed threshold crossing was detected. The condition occurs if the Tx leading and trailing fine raw counts are the exact same value. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_tx[ /quality_assessment/summary/delta_time_start= 0..0] (Type is Int64)
        • attributes
          • long_name: Number of Tx Pulses (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Tx Pulses in the granule. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_tx_coarse_count[ 0..0] (Type is Int32)
        • attributes
          • long_name: Tx Coarse Count OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the Tx coarse count value exceeds the limit of 10000 counts. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_tx_trailing_fine[ 0..0] (Type is Int32)
        • attributes
          • long_name: Tx Trailing Fine Count OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the Tx trailing fine count value exceeds the limit of 75 counts. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_dupe[ /quality_assessment/summary/delta_time_start= 0..0] (Type is Int32)
        • attributes
          • long_name: Number of duplicates (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of duplicate Rx events detected in the granule. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_ph_tx_ll[ 0..0] (Type is Int32)
        • attributes
          • long_name: Tx LL OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Where the maximum minus minimum Tx leading lower exceeds the limit of 39 ns. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_swapped_txfine[ 0..0] (Type is Int64)
        • attributes
          • long_name: Number of Tx Fine Swaps (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Tx pulses for which a PCE anomaly forced the Tx fine count values to be swapped. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_tx_ll_stat[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA Tx LL Stat (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistic of Transmit Leading Lower time of flight. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_bg_sens_s[ 0..0] (Type is Int32)
        • attributes
          • long_name: Num Strong Bg Sensitivity OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the computed strong background sensitivity value is outside the limit of 5e17 to 2e18. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
    • pce2(Type is Group)
      no attributes
      • qa_s_alt_cal_fall[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA alt_cal_fall (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistic of the full-rate (before interpolation) alt_cal_fall computation. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_tx_leading_fine[ 0..0] (Type is Int32)
        • attributes
          • long_name: Tx Leading Fine Count OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the Tx leading fine count value exceeds the limit of 75 counts. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_rx_fine_count[ 0..0] (Type is Int32)
        • attributes
          • long_name: Rx Fine Count OOB (Type is String)
          • units: counts (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the Rx fine count value exceeds the limit of 75 counts. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
          • source: Derived (QA) (Type is String)
      • qa_s_n_mf_skip[ 0..0] (Type is Int32)
        • attributes
          • long_name: QA 1P MF missed (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of times major frame counter was not consecutive. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_rx_channel_id[ 0..0] (Type is Int32)
        • attributes
          • long_name: Rx Channel ID OOB (Type is String)
          • units: counts (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the Rx channel ID contains an unexpected value. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
          • source: Derived (QA) (Type is String)
      • qa_ret_sens_w[ 0..0] (Type is Int32)
        • attributes
          • long_name: Num Weak Return Sensitivity OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the computed weak return sensitivity value is outside the limit of 0 to 2e18. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_tod_method[ 0..0] [ 0..4] (Type is Float64)
        • attributes
          • long_name: QA from TOD Methods (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistics on the differences between Time_T0_Method1 and Time _T0_Method2. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_tep_tof[ 0..0] (Type is Int32)
        • attributes
          • long_name: Num TEP OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where TEP TOF values exceed the limit of 0 to 110ns. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_rx_coarse_count[ 0..0] (Type is Int32)
        • attributes
          • long_name: Rx Coarse Count OOB (Type is String)
          • units: counts (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the Rx coarse count value exceeds the limit of 10000 counts. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
          • source: Derived (QA) (Type is String)
      • qa_ret_sens_s[ 0..0] (Type is Int32)
        • attributes
          • long_name: Num Strong Return Sensitivity OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the computed strong return sensitivity value is outside the limit of 0 to 2e18. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_tod_atm_hist_w[ 0..0] [ 0..4] (Type is Float64)
        • attributes
          • long_name: QA for atm_hist_w TOD (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistics on the differences between successive /atlas/pcex/atmosphere_weak time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_tep[ /quality_assessment/summary/delta_time_start= 0..0] (Type is Int32)
        • attributes
          • long_name: Number of TEPs (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of TEP events detected in the granule. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_alt_cal_rise[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA alt_cal_rise (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistic of the full-rate (before interpolation) alt_cal_rise computation. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_tod_atm_hist_s[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA for atm_his_st TOD (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistics on the differences between successive /atlas/pcex/atmosphere_strong time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_tod_background[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA for pcex_background TOD (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistics on the differences between successive /atlas/pcex/background time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_tx_oob[ /quality_assessment/summary/delta_time_start= 0..0] (Type is Int32)
        • attributes
          • long_name: QA number of instances TX out of bounds (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The number of times the Tx count is out of bounds (oob); i.e.: 199 to 201 TX pulses were not reported in a major frame. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_tx_other_stat[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA Tx Other Stat (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistic of the Other Transmit time of flight measurement. For PCE1, this is Transmit Leading Upper edge (LU) time; for PCE2 this is Transmit Trailing Upper edge (TU) time; and for PCE3 this is Transmit Trailing Lower edge (TL) time. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_dupe_percent[ 0..0] [ 0..19] (Type is Int32)
        • attributes
          • long_name: Channel Dupe Percent OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the per-channel number of duplicates is greater than 10% of the total number of per-channel events. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_bg_sens_w[ 0..0] (Type is Int32)
        • attributes
          • long_name: Num Weak Bg Sensitivity OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the computed weak background sensitivity value is outside the limit of 5e17 to 2e18. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_rx_w[ /quality_assessment/summary/delta_time_start= 0..0] (Type is Int64)
        • attributes
          • long_name: Number of Weak Rx Events (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Weak Rx events in the granule. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_1pps_skip[ 0..0] (Type is Int32)
        • attributes
          • long_name: QA 1PPS missed (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of times 1 pps was not consecutive. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_rx_s[ /quality_assessment/summary/delta_time_start= 0..0] (Type is Int64)
        • attributes
          • long_name: Number of Strong Rx Events (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Strong Rx events in the granule. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_tod_alt[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA for pcex_alt TOD (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistics on the differences between successive /atlas/pcex/altimetry time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_missed_thres[ 0..0] (Type is Int64)
        • attributes
          • long_name: Number of Missed Tx Threshold Crossings (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Tx pulses in which a missed threshold crossing was detected. The condition occurs if the Tx leading and trailing fine raw counts are the exact same value. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_tx[ /quality_assessment/summary/delta_time_start= 0..0] (Type is Int64)
        • attributes
          • long_name: Number of Tx Pulses (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Tx Pulses in the granule. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_tx_coarse_count[ 0..0] (Type is Int32)
        • attributes
          • long_name: Tx Coarse Count OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the Tx coarse count value exceeds the limit of 10000 counts. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_tx_trailing_fine[ 0..0] (Type is Int32)
        • attributes
          • long_name: Tx Trailing Fine Count OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the Tx trailing fine count value exceeds the limit of 75 counts. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_dupe[ /quality_assessment/summary/delta_time_start= 0..0] (Type is Int32)
        • attributes
          • long_name: Number of duplicates (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of duplicate Rx events detected in the granule. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_ph_tx_ll[ 0..0] (Type is Int32)
        • attributes
          • long_name: Tx LL OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Where the maximum minus minimum Tx leading lower exceeds the limit of 39 ns. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_swapped_txfine[ 0..0] (Type is Int64)
        • attributes
          • long_name: Number of Tx Fine Swaps (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Tx pulses for which a PCE anomaly forced the Tx fine count values to be swapped. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_tx_ll_stat[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA Tx LL Stat (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistic of Transmit Leading Lower time of flight. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_bg_sens_s[ 0..0] (Type is Int32)
        • attributes
          • long_name: Num Strong Bg Sensitivity OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the computed strong background sensitivity value is outside the limit of 5e17 to 2e18. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
    • pce3(Type is Group)
      no attributes
      • qa_s_alt_cal_fall[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA alt_cal_fall (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistic of the full-rate (before interpolation) alt_cal_fall computation. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_tx_leading_fine[ 0..0] (Type is Int32)
        • attributes
          • long_name: Tx Leading Fine Count OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the Tx leading fine count value exceeds the limit of 75 counts. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_rx_fine_count[ 0..0] (Type is Int32)
        • attributes
          • long_name: Rx Fine Count OOB (Type is String)
          • units: counts (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the Rx fine count value exceeds the limit of 75 counts. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
          • source: Derived (QA) (Type is String)
      • qa_s_n_mf_skip[ 0..0] (Type is Int32)
        • attributes
          • long_name: QA 1P MF missed (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of times major frame counter was not consecutive. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_rx_channel_id[ 0..0] (Type is Int32)
        • attributes
          • long_name: Rx Channel ID OOB (Type is String)
          • units: counts (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the Rx channel ID contains an unexpected value. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
          • source: Derived (QA) (Type is String)
      • qa_ret_sens_w[ 0..0] (Type is Int32)
        • attributes
          • long_name: Num Weak Return Sensitivity OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the computed weak return sensitivity value is outside the limit of 0 to 2e18. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_tod_method[ 0..0] [ 0..4] (Type is Float64)
        • attributes
          • long_name: QA from TOD Methods (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistics on the differences between Time_T0_Method1 and Time _T0_Method2. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_tep_tof[ 0..0] (Type is Int32)
        • attributes
          • long_name: Num TEP OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where TEP TOF values exceed the limit of 0 to 110ns. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_rx_coarse_count[ 0..0] (Type is Int32)
        • attributes
          • long_name: Rx Coarse Count OOB (Type is String)
          • units: counts (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the Rx coarse count value exceeds the limit of 10000 counts. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
          • source: Derived (QA) (Type is String)
      • qa_ret_sens_s[ 0..0] (Type is Int32)
        • attributes
          • long_name: Num Strong Return Sensitivity OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the computed strong return sensitivity value is outside the limit of 0 to 2e18. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_tod_atm_hist_w[ 0..0] [ 0..4] (Type is Float64)
        • attributes
          • long_name: QA for atm_hist_w TOD (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistics on the differences between successive /atlas/pcex/atmosphere_weak time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_tep[ 0..0] (Type is Int32)
        • attributes
          • long_name: Number of TEPs (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of TEP events detected in the granule. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_alt_cal_rise[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA alt_cal_rise (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistic of the full-rate (before interpolation) alt_cal_rise computation. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_tod_atm_hist_s[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA for atm_his_st TOD (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistics on the differences between successive /atlas/pcex/atmosphere_strong time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_tod_background[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA for pcex_background TOD (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistics on the differences between successive /atlas/pcex/background time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_tx_oob[ /quality_assessment/summary/delta_time_start= 0..0] (Type is Int32)
        • attributes
          • long_name: QA number of instances TX out of bounds (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: The number of times the Tx count is out of bounds (oob); i.e.: 199 to 201 TX pulses were not reported in a major frame. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_tx_other_stat[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA Tx Other Stat (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistic of the Other Transmit time of flight measurement. For PCE1, this is Transmit Leading Upper edge (LU) time; for PCE2 this is Transmit Trailing Upper edge (TU) time; and for PCE3 this is Transmit Trailing Lower edge (TL) time. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_dupe_percent[ 0..0] [ 0..19] (Type is Int32)
        • attributes
          • long_name: Channel Dupe Percent OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the per-channel number of duplicates is greater than 10% of the total number of per-channel events. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_bg_sens_w[ 0..0] (Type is Int32)
        • attributes
          • long_name: Num Weak Bg Sensitivity OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the computed weak background sensitivity value is outside the limit of 5e17 to 2e18. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_rx_w[ /quality_assessment/summary/delta_time_start= 0..0] (Type is Int64)
        • attributes
          • long_name: Number of Weak Rx Events (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Weak Rx events in the granule. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_1pps_skip[ 0..0] (Type is Int32)
        • attributes
          • long_name: QA 1PPS missed (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of times 1 pps was not consecutive. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_rx_s[ /quality_assessment/summary/delta_time_start= 0..0] (Type is Int64)
        • attributes
          • long_name: Number of Strong Rx Events (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Strong Rx events in the granule. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_tod_alt[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA for pcex_alt TOD (Type is String)
          • units: counts (Type is String)
          • source: Derived via L1B ATBD (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistics on the differences between successive /atlas/pcex/altimetry time of day values. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_missed_thres[ 0..0] (Type is Int64)
        • attributes
          • long_name: Number of Missed Tx Threshold Crossings (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Tx pulses in which a missed threshold crossing was detected. The condition occurs if the Tx leading and trailing fine raw counts are the exact same value. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_tx[ /quality_assessment/summary/delta_time_start= 0..0] (Type is Int64)
        • attributes
          • long_name: Number of Tx Pulses (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Tx Pulses in the granule. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_tx_coarse_count[ 0..0] (Type is Int32)
        • attributes
          • long_name: Tx Coarse Count OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the Tx coarse count value exceeds the limit of 10000 counts. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_tx_trailing_fine[ 0..0] (Type is Int32)
        • attributes
          • long_name: Tx Trailing Fine Count OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the Tx trailing fine count value exceeds the limit of 75 counts. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_dupe[ /quality_assessment/summary/delta_time_start= 0..0] (Type is Int32)
        • attributes
          • long_name: Number of duplicates (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of duplicate Rx events detected in the granule. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_ph_tx_ll[ 0..0] (Type is Int32)
        • attributes
          • long_name: Tx LL OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Where the maximum minus minimum Tx leading lower exceeds the limit of 39 ns. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_n_swapped_txfine[ 0..0] (Type is Int64)
        • attributes
          • long_name: Number of Tx Fine Swaps (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of Tx pulses for which a PCE anomaly forced the Tx fine count values to be swapped. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_s_tx_ll_stat[ /quality_assessment/summary/delta_time_start= 0..0] [ /quality_assessment/ds_statistics= 0..4] (Type is Float64)
        • attributes
          • long_name: QA Tx LL Stat (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Summary statistic of Transmit Leading Lower time of flight. Values are in the order number_of_points, minimum, maximum, average, standard_deviation. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
      • qa_bg_sens_s[ 0..0] (Type is Int32)
        • attributes
          • long_name: Num Strong Bg Sensitivity OOB (Type is String)
          • units: counts (Type is String)
          • source: Derived (QA) (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Number of instances where the computed strong background sensitivity value is outside the limit of 5e17 to 2e18. (Type is String)
          • coordinates: ../delta_time_start (Type is String)
  • tof(Type is Group)
    • attributes
      • Description: Contains statistics and flags related to TOF QA. (Type is String)
    • txrx_discard_count[ 0..0] (Type is Int32)
      • attributes
        • long_name: TxRx Discard Count (Type is String)
        • units: counts (Type is String)
        • source: TxRx detection (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of Tx discarded because of data gaps when attempting to repair a TxRx slip. (Type is String)
    • txrx_repair_count[ 0..0] (Type is Int32)
      • attributes
        • long_name: TxRx Repair Count (Type is String)
        • units: counts (Type is String)
        • source: TxRx detection (Type is String)
        • contentType: qualityInformation (Type is String)
        • description: The number of Tx misalignments repaired for the PCE indicated in txrx_slip_repair. (0=no repair attempted) (Type is String)
    • txrx_slip_repair[ 0..0] (Type is Int32)
      • attributes
        • long_name: TxRx Repair flag (Type is String)
        • units: 1 (Type is String)
        • source: TxRx detection (Type is String)
        • valid_min: 0 (Type is Int32)
        • valid_max: 3 (Type is Int32)
        • contentType: qualityInformation (Type is String)
        • description: Indicates the PCE for which a txrx slip repair was attempted. (0=no repair attempted) (Type is String)
        • flag_meanings: not_attempted pce1 pce2 pce3 (Type is String)
        • flag_values: 0, 1, 2, 3 (Type is Int32)
    • pce2(Type is Group)
      • attributes
        • Description: Per-PCE TOF flags and statistics (Type is String)
      • beg_mframe_cnt[ 0..0] (Type is UInt32)
        • attributes
          • long_name: Beginning major frame counter (Type is String)
          • units: counts (Type is String)
          • source: TxRx detection (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Major frame count at the start of a Tx misalignment. (Type is String)
      • ne_conf[ 0..0] (Type is Int32)
        • attributes
          • long_name: Nested Exit Confidence (Type is String)
          • units: 1 (Type is String)
          • source: TxRx detection (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Confidence level set by nested-exit checks. (Type is String)
      • hist_conf[ 0..0] (Type is Int32)
        • attributes
          • long_name: Histogram Confidence (Type is String)
          • units: 1 (Type is String)
          • source: TxRx detection (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Confidence level set by analysis of TOF histograms. (Type is String)
      • txrx_slip_flag[ 0..0] (Type is Int32)
        • attributes
          • long_name: TxRx Slip Flag (Type is String)
          • units: 1 (Type is String)
          • source: TxRx detection (Type is String)
          • valid_min: 0 (Type is Int32)
          • valid_max: 2 (Type is Int32)
          • contentType: qualityInformation (Type is String)
          • description: Flag indicating if a TxRx slip condition was detected. (Type is String)
          • flag_meanings: not_detected detected (Type is String)
          • flag_values: 0, 1 (Type is Int32)
      • too_few_tx[ 0..0] (Type is Int32)
        • attributes
          • long_name: Too_Few_Tx_in_MFrame (Type is String)
          • units: 1 (Type is String)
          • source: Tx processing (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of major frames with less than 199 Tx. The photons associated with these major frames have been discarded from processing. (Type is String)
      • st_period[ 0..0] (Type is Float32)
        • attributes
          • long_name: Sawtooth_Period (Type is String)
          • units: 1/frequency (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Period of the Tx sawtooth. (Type is String)
          • source: TxRx detection (Type is String)
      • end_mframe_cnt[ 0..0] (Type is UInt32)
        • attributes
          • long_name: Ending major frame counter (Type is String)
          • units: counts (Type is String)
          • source: TxRx detection (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Major frame count at the end of a Tx misalignment. (Type is String)
      • n_dnf[ 0..0] (Type is Int32)
        • attributes
          • long_name: Number_of_DNF (Type is String)
          • units: 1 (Type is String)
          • source: Tx processing (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of major frames containing a DNF flag, which indicates that the major frame was truncated. By default, these partial major frames are removed from processing. (Type is String)
      • slip_magnitude[ 0..0] (Type is Float32)
        • attributes
          • long_name: TXRX_Slip_Magnitude (Type is String)
          • units: seconds (Type is String)
          • source: TxRx detection (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Average magnitude (and direction) of Tx sawtooth misalignment. (Type is String)
      • ne_delta_time[ 0..3] (Type is Float64)
        • attributes
          • _FillValue: 1.7976931348623157e+308 (Type is Float64)
          • long_name: Nested Exit Times (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: TxRx slip (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Times of up to 4 NestedExit instances. Units are the number of seconds since the ATLAS SDP epoch. (Type is String)
      • st_conf[ 0..0] (Type is Int32)
        • attributes
          • long_name: Tx Align Confidence (Type is String)
          • units: 1 (Type is String)
          • source: TxRx detection (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Confidence level set by Tx alignment (sawtooth) checks. (Type is String)
    • pce1(Type is Group)
      • attributes
        • Description: Per-PCE TOF flags and statistics (Type is String)
      • beg_mframe_cnt[ 0..0] (Type is UInt32)
        • attributes
          • long_name: Beginning major frame counter (Type is String)
          • units: counts (Type is String)
          • source: TxRx detection (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Major frame count at the start of a Tx misalignment. (Type is String)
      • ne_conf[ 0..0] (Type is Int32)
        • attributes
          • long_name: Nested Exit Confidence (Type is String)
          • units: 1 (Type is String)
          • source: TxRx detection (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Confidence level set by nested-exit checks. (Type is String)
      • hist_conf[ 0..0] (Type is Int32)
        • attributes
          • long_name: Histogram Confidence (Type is String)
          • units: 1 (Type is String)
          • source: TxRx detection (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Confidence level set by analysis of TOF histograms. (Type is String)
      • txrx_slip_flag[ 0..0] (Type is Int32)
        • attributes
          • long_name: TxRx Slip Flag (Type is String)
          • units: 1 (Type is String)
          • source: TxRx detection (Type is String)
          • valid_min: 0 (Type is Int32)
          • valid_max: 2 (Type is Int32)
          • contentType: qualityInformation (Type is String)
          • description: Flag indicating if a TxRx slip condition was detected. (Type is String)
          • flag_meanings: not_detected detected (Type is String)
          • flag_values: 0, 1 (Type is Int32)
      • too_few_tx[ 0..0] (Type is Int32)
        • attributes
          • long_name: Too_Few_Tx_in_MFrame (Type is String)
          • units: 1 (Type is String)
          • source: Tx processing (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of major frames with less than 199 Tx. The photons associated with these major frames have been discarded from processing. (Type is String)
      • st_period[ 0..0] (Type is Float32)
        • attributes
          • long_name: Sawtooth_Period (Type is String)
          • units: 1/frequency (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Period of the Tx sawtooth. (Type is String)
          • source: TxRx detection (Type is String)
      • end_mframe_cnt[ 0..0] (Type is UInt32)
        • attributes
          • long_name: Ending major frame counter (Type is String)
          • units: counts (Type is String)
          • source: TxRx detection (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Major frame count at the end of a Tx misalignment. (Type is String)
      • n_dnf[ 0..0] (Type is Int32)
        • attributes
          • long_name: Number_of_DNF (Type is String)
          • units: 1 (Type is String)
          • source: Tx processing (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of major frames containing a DNF flag, which indicates that the major frame was truncated. By default, these partial major frames are removed from processing. (Type is String)
      • slip_magnitude[ 0..0] (Type is Float32)
        • attributes
          • long_name: TXRX_Slip_Magnitude (Type is String)
          • units: seconds (Type is String)
          • source: TxRx detection (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Average magnitude (and direction) of Tx sawtooth misalignment. (Type is String)
      • ne_delta_time[ 0..3] (Type is Float64)
        • attributes
          • _FillValue: 1.7976931348623157e+308 (Type is Float64)
          • long_name: Nested Exit Times (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: TxRx slip (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Times of up to 4 NestedExit instances. Units are the number of seconds since the ATLAS SDP epoch. (Type is String)
      • st_conf[ 0..0] (Type is Int32)
        • attributes
          • long_name: Tx Align Confidence (Type is String)
          • units: 1 (Type is String)
          • source: TxRx detection (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Confidence level set by Tx alignment (sawtooth) checks. (Type is String)
    • pce3(Type is Group)
      • attributes
        • Description: Per-PCE TOF flags and statistics (Type is String)
      • beg_mframe_cnt[ 0..0] (Type is UInt32)
        • attributes
          • long_name: Beginning major frame counter (Type is String)
          • units: counts (Type is String)
          • source: TxRx detection (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Major frame count at the start of a Tx misalignment. (Type is String)
      • ne_conf[ 0..0] (Type is Int32)
        • attributes
          • long_name: Nested Exit Confidence (Type is String)
          • units: 1 (Type is String)
          • source: TxRx detection (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Confidence level set by nested-exit checks. (Type is String)
      • hist_conf[ 0..0] (Type is Int32)
        • attributes
          • long_name: Histogram Confidence (Type is String)
          • units: 1 (Type is String)
          • source: TxRx detection (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Confidence level set by analysis of TOF histograms. (Type is String)
      • txrx_slip_flag[ 0..0] (Type is Int32)
        • attributes
          • long_name: TxRx Slip Flag (Type is String)
          • units: 1 (Type is String)
          • source: TxRx detection (Type is String)
          • valid_min: 0 (Type is Int32)
          • valid_max: 2 (Type is Int32)
          • contentType: qualityInformation (Type is String)
          • description: Flag indicating if a TxRx slip condition was detected. (Type is String)
          • flag_meanings: not_detected detected (Type is String)
          • flag_values: 0, 1 (Type is Int32)
      • too_few_tx[ 0..0] (Type is Int32)
        • attributes
          • long_name: Too_Few_Tx_in_MFrame (Type is String)
          • units: 1 (Type is String)
          • source: Tx processing (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of major frames with less than 199 Tx. The photons associated with these major frames have been discarded from processing. (Type is String)
      • st_period[ 0..0] (Type is Float32)
        • attributes
          • long_name: Sawtooth_Period (Type is String)
          • units: 1/frequency (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Period of the Tx sawtooth. (Type is String)
          • source: TxRx detection (Type is String)
      • end_mframe_cnt[ 0..0] (Type is UInt32)
        • attributes
          • long_name: Ending major frame counter (Type is String)
          • units: counts (Type is String)
          • source: TxRx detection (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Major frame count at the end of a Tx misalignment. (Type is String)
      • n_dnf[ 0..0] (Type is Int32)
        • attributes
          • long_name: Number_of_DNF (Type is String)
          • units: 1 (Type is String)
          • source: Tx processing (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: The number of major frames containing a DNF flag, which indicates that the major frame was truncated. By default, these partial major frames are removed from processing. (Type is String)
      • slip_magnitude[ 0..0] (Type is Float32)
        • attributes
          • long_name: TXRX_Slip_Magnitude (Type is String)
          • units: seconds (Type is String)
          • source: TxRx detection (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Average magnitude (and direction) of Tx sawtooth misalignment. (Type is String)
      • ne_delta_time[ 0..3] (Type is Float64)
        • attributes
          • _FillValue: 1.7976931348623157e+308 (Type is Float64)
          • long_name: Nested Exit Times (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: TxRx slip (Type is String)
          • contentType: auxiliaryInformation (Type is String)
          • description: Times of up to 4 NestedExit instances. Units are the number of seconds since the ATLAS SDP epoch. (Type is String)
      • st_conf[ 0..0] (Type is Int32)
        • attributes
          • long_name: Tx Align Confidence (Type is String)
          • units: 1 (Type is String)
          • source: TxRx detection (Type is String)
          • contentType: qualityInformation (Type is String)
          • description: Confidence level set by Tx alignment (sawtooth) checks. (Type is String)
sc(Type is Group)
  • attributes
    • Description: Group contains the Spacecraft (SC) Ancillary Science packet #1 decommutated data (Type is String)
    • data_rate: Data within this group are stored at the data rate of the source Spacecraft Ancillary Science Data Packets. (nominally one per second.) (Type is String)
Dimensions: [ /sc/delta_time = 0..422 ]
  • acs_time_subsec[ /sc/delta_time= 0..422] (Type is UInt32)
    • attributes
      • long_name: ACS time (subsec) (Type is String)
      • units: 100 nanoseconds (Type is String)
      • source: ATL01/sc (Type is String)
      • contentType: referenceInformation (Type is String)
      • description: Subsecond portion of the SC time at the initiation of the ACS task (seconds since SC epoch: 6-Jan-1980 00:00:00) (Same time provided within the Attitude/Rate message to ATLAS in RT at 1Hz) (Type is String)
      • coordinates: delta_time (Type is String)
  • sc_time_1pps_sec[ /sc/delta_time= 0..422] (Type is UInt32)
    • attributes
      • long_name: SC time at 1 pps (sec) (Type is String)
      • units: seconds (Type is String)
      • source: ATL01/sc (Type is String)
      • contentType: referenceInformation (Type is String)
      • description: SC time at the reception of the last 1PPS signal from the GPSR (seconds since SC epoch: 6-Jan-1980 00:00:00) (Type is String)
      • coordinates: delta_time (Type is String)
  • sc_time_1pps_subsec[ /sc/delta_time= 0..422] (Type is UInt32)
    • attributes
      • long_name: SC time at 1 pps (subsec) (Type is String)
      • units: 100 nanoseconds (Type is String)
      • source: ATL01/sc (Type is String)
      • contentType: referenceInformation (Type is String)
      • description: Subsecond portion of the SC time at the reception of the last 1PPS signal from the GPSR (seconds since SC epoch: 6-Jan-1980 00:00:00) (Type is String)
      • coordinates: delta_time (Type is String)
  • delta_time[ /sc/delta_time= 0..422] (Type is Float64)
    • attributes
      • long_name: Elapsed GPS seconds (Type is String)
      • standard_name: time (Type is String)
      • units: seconds since 2018-01-01 (Type is String)
      • source: Derived via Time Tagging (Type is String)
      • contentType: referenceInformation (Type is String)
      • description: Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS Standard Data Product (SDP) epoch. By adding atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch time can be computed. (Type is String)
  • acs_time_sec[ /sc/delta_time= 0..422] (Type is UInt32)
    • attributes
      • long_name: ACS time (sec) (Type is String)
      • units: seconds (Type is String)
      • source: ATL01/sc (Type is String)
      • contentType: referenceInformation (Type is String)
      • description: SC time at the initiation of the ACS task (seconds since SC epoch: 6-Jan-1980 00:00:00) (Same time provided within the Attitude/Rate message to ATLAS in RT at 1Hz) (Type is String)
      • coordinates: delta_time (Type is String)
  • ephemeris(Type is Group)
    • attributes
      • Description: Contains parameters related to spacecraft Ephemeris Propagator. (Type is String)
      • data_rate: Data within this group are stored at the data rate of the source Spacecraft Ancillary Science Data Packets. (nominally one per second.) (Type is String)
    Dimensions: [ /sc/ephemeris/delta_time = 0..422 ]
    • eci_position_res_x[ /sc/ephemeris/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: SC ECI Position residual X (Type is String)
        • units: meters (Type is String)
        • source: ATL01/sc1/ephemeris (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ACS Orbit Determination Filter position of X frame residual. (Type is String)
        • coordinates: delta_time (Type is String)
    • eci_velocity_res_z[ /sc/ephemeris/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: SC ECI velocity residual Z (Type is String)
        • units: meters/second (Type is String)
        • source: ATL01/sc1/ephemeris (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ACS Orbit Determination Filter velocity of Z frame residual. (Type is String)
        • coordinates: delta_time (Type is String)
    • eci_velocity_z[ /sc/ephemeris/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: SC ECI Velocity Z (Type is String)
        • units: meters/second (Type is String)
        • source: ATL01/sc1/ephemeris converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ACS SC Z velocity in the ECI coordinate frame. (Same data that is provided to ATLAS in RT) (Type is String)
        • coordinates: delta_time (Type is String)
    • eci_position_y[ /sc/ephemeris/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: SC ECI Position Y (Type is String)
        • units: meters (Type is String)
        • source: ATL01/sc1/ephemeris converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ACS SC Y position in the ECI coordinate frame. (Same data that is provided to ATLAS in RT) (Type is String)
        • coordinates: delta_time (Type is String)
    • eci_velocity_y[ /sc/ephemeris/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: SC ECI Velocity Y (Type is String)
        • units: meters/second (Type is String)
        • source: ATL01/sc1/ephemeris converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ACS SCY velocity in the ECI coordinate frame. (Same data that is provided to ATLAS in RT) (Type is String)
        • coordinates: delta_time (Type is String)
    • eci_velocity_res_x[ /sc/ephemeris/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: SC ECI velocity residual X (Type is String)
        • units: meters/second (Type is String)
        • source: ATL01/sc1/ephemeris (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ACS Orbit Determination Filter velocity of X frame residual. (Type is String)
        • coordinates: delta_time (Type is String)
    • eci_position_res_z[ /sc/ephemeris/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: SC ECI Position residual Z (Type is String)
        • units: meters (Type is String)
        • source: ATL01/sc1/ephemeris (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ACS Orbit Determination Filter position of Z frame residual. (Type is String)
        • coordinates: delta_time (Type is String)
    • eci_position_x[ /sc/ephemeris/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: SC ECI Position X (Type is String)
        • units: meters (Type is String)
        • source: ATL01/sc1/ephemeris converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ACS SC X position in the ECI coordinate frame. (Same data that is provided to ATLAS in RT) (Type is String)
        • coordinates: delta_time (Type is String)
    • eci_velocity_x[ /sc/ephemeris/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: SC ECI Velocity X (Type is String)
        • units: meters/second (Type is String)
        • source: ATL01/sc1/ephemeris converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ACS SC X velocity in the ECI coordinate frame. (Same data that is provided to ATLAS in RT) (Type is String)
        • coordinates: delta_time (Type is String)
    • eci_velocity_res_y[ /sc/ephemeris/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: SC ECI velocity residual Y (Type is String)
        • units: meters/second (Type is String)
        • source: ATL01/sc1/ephemeris (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ACS Orbit Determination Filter velocity of Y frame residual. (Type is String)
        • coordinates: delta_time (Type is String)
    • eci_position_res_y[ /sc/ephemeris/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: SC ECI Position residualY (Type is String)
        • units: meters (Type is String)
        • source: ATL01/sc1/ephemeris (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ACS Orbit Determination Filter position of Y frame residual. (Type is String)
        • coordinates: delta_time (Type is String)
    • delta_time[ /sc/ephemeris/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: Elapsed GPS seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Derived via Time Tagging (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: The time tag of the data by using raw_prop_time_sec and subsecs in the L1A ephemeris group, relative to the ATLAS SDP GSP epoch. The ATLAS Standard Data Products (SDP) GPS epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
    • eci_position_z[ /sc/ephemeris/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: SC ECI Position Z (Type is String)
        • units: meters (Type is String)
        • source: ATL01/sc1/ephemeris converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ACS SC Z position in the ECI coordinate frame. (Same data that is provided to ATLAS in RT) (Type is String)
        • coordinates: delta_time (Type is String)
  • attitude_control_system(Type is Group)
    • attributes
      • Description: Contains parameters related to spacecraft ACS (attitude control system) software. (Type is String)
      • data_rate: Data within this group are stored at the data rate of the source Spacecraft Ancillary Science Data Packets. (nominally one per second.) (Type is String)
    Dimensions: [ /sc/attitude_control_system/delta_time = 0..422 ]
    • acs_mode[ /sc/attitude_control_system/delta_time= 0..422] (Type is Byte)
      • attributes
        • long_name: ACS Software Mode (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc1/attitude_control_system (Type is String)
        • valid_min: 0 (Type is Byte)
        • valid_max: 14 (Type is Byte)
        • contentType: referenceInformation (Type is String)
        • description: ACS Active ACS Software Mode 0 = Idle 1 = Rate Capture 2 = Sun Acquisition 3 = (Reserved - N/A for ICESat-2) 4 = Slew 5 = Inertial Sun Point 6 = Earth Pointing 7 = ACS Calibration 8 = Inertial Pointing 9 = Reference Ground Track (RGT) 10 = Roll Off-Point (ROP) 11 = Instrument Calibration (ICAL) 12 = DV Wheel Standby 13 = DV Thruster Standby 14 = DV Burn (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: idle rate_capture sun_acquisition reserved slew inertial_sun_point earth_pointing acs_calibration inertial_pointing reference_ground_track roll_off_point instrument_calibration dv_wheel_standby dv_thruster_standby dv_burn (Type is String)
        • flag_values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 (Type is Byte)
    • sc_to_lrs_quat_3[ /sc/attitude_control_system/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: SC Inertial to LRS Frame Quaternions 3 (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc1/attitude_control_system and L1B ATBD conversion (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ACS Spacecraft Inertial frame to Laser Reference System (LRS) reference frame quaternion 3. (Same data provided to ATLAS in RT at 1Hz). (Type is String)
        • coordinates: delta_time (Type is String)
    • sc_to_lrs_quat_4[ /sc/attitude_control_system/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: SC Inertial to LRS Frame Quaternions 4 (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc1/attitude_control_system and L1B ATBD conversion (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ACS Spacecraft Inertial frame to Laser Reference System (LRS) reference frame quaternion4. (Same data provided to ATLAS in RT at 1Hz). (Type is String)
        • coordinates: delta_time (Type is String)
    • sc_to_lrs_quat_2[ /sc/attitude_control_system/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: SC Inertial to LRS Frame Quaternions 2 (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc1/attitude_control_system and L1B ATBD conversion (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ACS Spacecraft Inertial frame to Laser Reference System (LRS) reference frame quaternion 2. (Same data provided to ATLAS in RT at 1Hz). (Type is String)
        • coordinates: delta_time (Type is String)
    • sc_body_rate_z[ /sc/attitude_control_system/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: SC Body Rate (Z) (Type is String)
        • units: radians/second (Type is String)
        • source: ATL01/sc1/attitude_control_system and L1B ATBD conversion (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ACS Fine Rate Estimate - SC Body Z axis. (Same data provided to ATLAS in RT at 1Hz) (Type is String)
        • coordinates: delta_time (Type is String)
    • delta_time[ /sc/attitude_control_system/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: Elapsed GPS seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Derived via Time Tagging (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: The time tag of the data computed from raw_acs_time_sec and subseconds in the L1A Attitude_control_ group, relative to the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
    • sc_to_lrs_quat_1[ /sc/attitude_control_system/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: SC Inertial to LRS Frame Quaternions 1 (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc1/attitude_control_system and L1B ATBD conversion (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ACS Spacecraft Inertial frame to Laser Reference System (LRS) reference frame quaternion1. (Same data provided to ATLAS in RT at 1Hz). (Type is String)
        • coordinates: delta_time (Type is String)
    • sc_body_rate_y[ /sc/attitude_control_system/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: SC Body Rate (Y) (Type is String)
        • units: radians/second (Type is String)
        • source: ATL01/sc1/attitude_control_system and L1B ATBD conversion (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ACS Fine Rate Estimate - SC Body Y axis. (Same data provided to ATLAS in RT at 1Hz) (Type is String)
        • coordinates: delta_time (Type is String)
    • sc_body_rate_x[ /sc/attitude_control_system/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: SC Body Rate (X) (Type is String)
        • units: radians/second (Type is String)
        • source: ATL01/sc1/attitude_control_system and L1B ATBD conversion (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ACS Fine Rate Estimate - SC Body X axis. (Same data provided to ATLAS in RT at 1Hz) (Type is String)
        • coordinates: delta_time (Type is String)
  • solar_array(Type is Group)
    • attributes
      • Description: Contains parameters related to solar array driver assembly. (Type is String)
      • data_rate: Data within this group are stored at the data rate of the source Spacecraft Ancillary Science Data Packets. (nominally one per second.) (Type is String)
    Dimensions: [ /sc/solar_array/delta_time = 0..422 ]
    • azimuth_est[ /sc/solar_array/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: SADA Azimuth Estimated Position (Type is String)
        • units: degrees (Type is String)
        • source: ATL01/sc1/solar_array (Type is String)
        • valid_min: -100. (Type is Float32)
        • valid_max: 100. (Type is Float32)
        • contentType: referenceInformation (Type is String)
        • description: Solar Array Drive Assembly (SADA) - Estimated Azimuth position used for ACS control (Type is String)
        • coordinates: delta_time (Type is String)
    • azimuth_meas_1[ /sc/solar_array/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: SADA Azimuth Measured Position (Pot 1) (Type is String)
        • units: degrees (Type is String)
        • source: ATL01/sc1/solar_array (Type is String)
        • valid_min: -100. (Type is Float32)
        • valid_max: 100. (Type is Float32)
        • contentType: referenceInformation (Type is String)
        • description: Solar Array Drive Assembly (SADA) - Estimated Azimuth angle based on Potentiometer 1 (as reported by ACS software). (Type is String)
        • coordinates: delta_time (Type is String)
    • azimuth_meas_2[ /sc/solar_array/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: SADA Azimuth Measured Position (Pot 2) (Type is String)
        • units: degrees (Type is String)
        • source: ATL01/sc1/solar_array (Type is String)
        • valid_min: -100. (Type is Float32)
        • valid_max: 100. (Type is Float32)
        • contentType: referenceInformation (Type is String)
        • description: Solar Array Drive Assembly (SADA) - Estimated Azimuth angle based on Potentiometer 2 (as reported by ACS software). (Type is String)
        • coordinates: delta_time (Type is String)
    • delta_time[ /sc/solar_array/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: Elapsed GPS seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Derived via Time Tagging (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: SC time at the initiation of the ACS task, relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
    • elev_meas_1[ /sc/solar_array/delta_time= 0..422] (Type is Float32)
      • attributes
        • units: degrees (Type is String)
        • long_name: SADA Elevation Measured Position (Pot 1) (Type is String)
        • source: ATL01/sc1/solar_array (Type is String)
        • valid_min: -10. (Type is Float32)
        • valid_max: 90. (Type is Float32)
        • contentType: referenceInformation (Type is String)
        • description: Solar Array Drive Assembly (SADA) - Estimated Elevation angle based on Potentiometer 1 (as reported by ACS software). (Type is String)
        • coordinates: delta_time (Type is String)
    • elev_est[ /sc/solar_array/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: SADA Elevation Estimated Position (Type is String)
        • units: degrees (Type is String)
        • source: ATL01/sc1/solar_array (Type is String)
        • valid_min: -10. (Type is Float32)
        • valid_max: 90. (Type is Float32)
        • contentType: referenceInformation (Type is String)
        • description: Solar Array Drive Assembly (SADA) - Estimated Elevation position used for ACS control (Type is String)
        • coordinates: delta_time (Type is String)
    • elev_meas_2[ /sc/solar_array/delta_time= 0..422] (Type is Float32)
      • attributes
        • units: degrees (Type is String)
        • long_name: SADA Elevation Measured Position (Pot 2) (Type is String)
        • source: ATL01/sc1/solar_array (Type is String)
        • valid_min: -10. (Type is Float32)
        • valid_max: 90. (Type is Float32)
        • contentType: referenceInformation (Type is String)
        • description: Solar Array Drive Assembly (SADA) - Estimated Elevation angle based on Potentiometer 2 (as reported by ACS software). (Type is String)
        • coordinates: delta_time (Type is String)
  • star_tracker(Type is Group)
    • attributes
      • data_rate: Data within this group are stored at the data rate of the source Star Tracker data within the Spacecraft Ancillary Science Data Packets. (nominally ten per second.) (Type is String)
    Dimensions: [ /sc/star_tracker/delta_time = 0..4229 ]
    • atm_etr_counter[ /sc/star_tracker/delta_time= 0..4229] (Type is UInt16)
      • attributes
        • long_name: ATM ETR Counter (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc2/star_tracker (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Star Tracker Electronics (STE) [ATM TM#1: Subaddress 13] - External Time Reference (ETR) delay ticks - Used to determine measurement time of reported ATM TLM with respect to SC-provided sync pulse; Additional delay of quaternion measurement time in ticks of 20 usec from ETR. (Type is String)
        • coordinates: delta_time (Type is String)
    • atm_frame_counter[ /sc/star_tracker/delta_time= 0..4229] (Type is UInt16)
      • attributes
        • long_name: ATM Frame Counter (Type is String)
        • units: counts (Type is String)
        • source: ATL01/sc2/star_tracker (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Star Tracker Electronics (STE) [ATM TM#1: Subaddress 13] - External Time Reference (ETR) counter - Used to determine measurement time of reported ATM TLM with respect to SC-provided sync pulse; This item increments upon the reception of the SC-provided sync pulse. (Type is String)
        • coordinates: delta_time (Type is String)
    • delta_time[ /sc/star_tracker/delta_time= 0..4229] (Type is Float64)
      • attributes
        • long_name: Elapsed GPS seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Derived via Time Tagging (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Time of the Star track subaddress 1 data, relative to the ATLAS SDP GPS Epoch and computed from raw_ace_time_sec/subseconds and etr_delay_tm1. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
    • etr_counter[ /sc/star_tracker/delta_time= 0..4229] (Type is UInt16)
      • attributes
        • units: counts (Type is String)
        • long_name: STE Star Tracker ETR Counter (Type is String)
        • source: ATL01/sc2/star_tracker (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Star Tracker Electronics (STE) [Star Tracker Status TM#1: Subaddress 1] - External Time Reference (ETR) counter - Used to determine measurement time of reported STE/OH mode status with respect to SC-provided sync pulse; This item increments upon the reception of the SC-provided sync pulse - Sample 1-10 (Type is String)
        • coordinates: delta_time (Type is String)
    • mode_status[ /sc/star_tracker/delta_time= 0..4229] (Type is UInt16)
      • attributes
        • units: 1 (Type is String)
        • long_name: STE Star Tracker Mode Status (Type is String)
        • source: ATL01/sc2/star_tracker (Type is String)
        • valid_min: 0 (Type is UInt16)
        • valid_max: 15 (Type is UInt16)
        • contentType: referenceInformation (Type is String)
        • description: Star Tracker Electronics (STE) [Star Tracker Status TM#1: Subaddress 1] - Mode Status - Represents the current mode of the STE software . 0 = Initialization 1 = Standby 2 = Memory Read 3 = Memory Write 4 = Self Test 5 = Photo 9 = Angular Rate 10 = Attitude Acquisition 11 = Attitude Tracking 14 = AOM/Attitude Acquisition Phase 15 = AOM/Attitude Tracking Phase All other values invalid (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: init stby mem_read mem_write self_test photon angular_rate att_acq att_track aom_acq aom_track (Type is String)
        • flag_values: 0, 1, 2, 3, 4, 5, 9, 10, 11, 14, 15 (Type is UInt16)
    • optical_head_1(Type is Group)
      • attributes
        • Description: Contains parameters related to spacecraft Star Tracker Optical Head 1 (STOH1). (Type is String)
        • data_rate: Data within this group are stored at the data rate of the source Star Tracker data within the Spacecraft Ancillary Science Data Packets. (nominally ten per second.) (Type is String)
      Dimensions: [ /sc/star_tracker/optical_head_1/delta_time = 0..4229 ]
      • quaternion2[ /sc/star_tracker/optical_head_1/delta_time= 0..4229] (Type is Float64)
        • attributes
          • long_name: STOH1 Quaternion2 (Type is String)
          • units: counts (Type is String)
          • source: ATL01/sc2/star_tracker/optical_head_1 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Star Tracker Optical Head (STOH) [ATM TM#7: Subaddress 19] - Attitude quaternion 2 - STOH reference frame to Earth-Centered Inertial (ECI) reference frame (Type is String)
          • coordinates: delta_time (Type is String)
      • att_qa_x[ /sc/star_tracker/optical_head_1/delta_time= 0..4229] (Type is Float32)
        • attributes
          • long_name: STOH Attitude Quality (X) (Type is String)
          • units: arcsec (Type is String)
          • source: ATL01/sc2/star_tracker/optical_head_1 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Star Tracker Optical Head (STOH) Quality measurement of STOH computed quaternion (X) (Type is String)
          • coordinates: delta_time (Type is String)
      • atm_etr_counter[ /sc/star_tracker/optical_head_1/delta_time= 0..4229] (Type is UInt16)
        • attributes
          • long_name: ATM ETR Counter (Type is String)
          • units: counts (Type is String)
          • source: ATL01/sc2/star_tracker/optical_head_1 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Star Tracker Optical Head (STOH) 1 [ATM TM#7: Subaddress 19] - External Time Reference (ETR) counter - Used to determine measurement time of reported quaternions with respect to SC- provided sync pulse; This item increments upon the reception of the SC-provided sync pulse. (Type is String)
          • coordinates: delta_time (Type is String)
      • att_qa_z[ /sc/star_tracker/optical_head_1/delta_time= 0..4229] (Type is Float32)
        • attributes
          • long_name: STOH Attitude Quality (Z) (Type is String)
          • units: arcsec (Type is String)
          • source: ATL01/sc2/star_tracker/optical_head_1 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Star Tracker Optical Head (STOH) Quality measurement of STOH computed quaternion (Z) (Type is String)
          • coordinates: delta_time (Type is String)
      • seq_mode_st[ /sc/star_tracker/optical_head_1/delta_time= 0..4229] (Type is Int8)
        • attributes
          • _FillValue: 127 (Type is Int8)
          • long_name: Sequencing Mode Status (Type is String)
          • units: counts (Type is String)
          • source: ATL01/sc2/star_tracker/optical_head_1 (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 7 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: Star Tracker Optical Head (STOH) [Star Tracker Status TM#1: Subaddress 1] - Sequencing (Mode) Status (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: off standby photo acquire track autotest win_acq powered (Type is String)
          • flag_values: 0, 1, 2, 3, 4, 5, 6, 7 (Type is Int8)
      • atm_frame_counter[ /sc/star_tracker/optical_head_1/delta_time= 0..4229] (Type is UInt16)
        • attributes
          • long_name: STOH1 ATM Frame Counter (Type is String)
          • units: counts (Type is String)
          • source: ATL01/sc2/star_tracker/optical_head_1 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Star Tracker Optical Head (STOH) 1 [ATM TM#7: Subaddress 19] - Frame Counter (Type is String)
          • coordinates: delta_time (Type is String)
      • quaternion3[ /sc/star_tracker/optical_head_1/delta_time= 0..4229] (Type is Float64)
        • attributes
          • long_name: STOH1 Quaternion3 (Type is String)
          • units: counts (Type is String)
          • source: ATL01/sc2/star_tracker/optical_head_1 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Star Tracker Optical Head (STOH) [ATM TM#7: Subaddress 19] - Attitude quaternion 3 - STOH reference frame to Earth-Centered Inertial (ECI) reference frame (Type is String)
          • coordinates: delta_time (Type is String)
      • att_qa_y[ /sc/star_tracker/optical_head_1/delta_time= 0..4229] (Type is Float32)
        • attributes
          • long_name: STOH Attitude Quality (Y) (Type is String)
          • units: arcsec (Type is String)
          • source: ATL01/sc2/star_tracker/optical_head_1 converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Star Tracker Optical Head (STOH) Quality measurement of STOH computed quaternion (Y) (Type is String)
          • coordinates: delta_time (Type is String)
      • quaternion1[ /sc/star_tracker/optical_head_1/delta_time= 0..4229] (Type is Float64)
        • attributes
          • long_name: STOH1 Quaternion1 (Type is String)
          • units: counts (Type is String)
          • source: ATL01/sc2/star_tracker/optical_head_1 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Star Tracker Optical Head (STOH) [ATM TM#7: Subaddress 19] - Attitude quaternion 1 - STOH reference frame to Earth-Centered Inertial (ECI) reference frame (Type is String)
          • coordinates: delta_time (Type is String)
      • quaternion4[ /sc/star_tracker/optical_head_1/delta_time= 0..4229] (Type is Float64)
        • attributes
          • long_name: STOH1 Quaternion4 (Type is String)
          • units: counts (Type is String)
          • source: ATL01/sc2/star_tracker/optical_head_1 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Star Tracker Optical Head (STOH) [ATM TM#7: Subaddress 19] - Attitude quaternion 4 - STOH reference frame to Earth-Centered Inertial (ECI) reference frame (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /sc/star_tracker/optical_head_1/delta_time= 0..4229] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via Time Tagging (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Elapsed GPS seconds since the ATLAS SDP GPS Epoch, computed from raw_ace_time_sec and subseconds and atm_etr_delay_tm7. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • n_stars[ /sc/star_tracker/optical_head_1/delta_time= 0..4229] (Type is Int8)
        • attributes
          • _FillValue: 127 (Type is Int8)
          • long_name: STOHx Number of Coherent Stars (Type is String)
          • units: counts (Type is String)
          • source: ATL01/sc2/star_tracker/optical_head_1 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Star Tracker Electronics (STE) [ATM TM#1: Subaddress 13] - Number of coherent stars used in STOH attitude calculation. (Type is String)
          • coordinates: delta_time (Type is String)
    • optical_head_2(Type is Group)
      • attributes
        • Description: Contains parameters related to spacecraft Star Tracker Optical Head 2 (STOH2). (Type is String)
        • data_rate: Data within this group are stored at the data rate of the source Star Tracker data within the Spacecraft Ancillary Science Data Packets. (nominally ten per second.) (Type is String)
      Dimensions: [ /sc/star_tracker/optical_head_2/delta_time = 0..4229 ]
      • quaternion2[ /sc/star_tracker/optical_head_2/delta_time= 0..4229] (Type is Float64)
        • attributes
          • long_name: STOH1 Quaternion2 (Type is String)
          • units: counts (Type is String)
          • source: ATL01/sc2/star_tracker/optical_head_2 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Star Tracker Optical Head (STOH) [ATM TM#7: Subaddress 19] - Attitude quaternion 2 - STOH reference frame to Earth-Centered Inertial (ECI) reference frame (Type is String)
          • coordinates: delta_time (Type is String)
      • att_qa_x[ /sc/star_tracker/optical_head_2/delta_time= 0..4229] (Type is Float32)
        • attributes
          • long_name: STOH Attitude Quality (X) (Type is String)
          • units: arcsec (Type is String)
          • source: ATL01/sc2/star_tracker/optical_head_2 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Star Tracker Optical Head (STOH) Quality measurement of STOH computed quaternion (X) (Type is String)
          • coordinates: delta_time (Type is String)
      • atm_etr_counter[ /sc/star_tracker/optical_head_2/delta_time= 0..4229] (Type is UInt16)
        • attributes
          • long_name: ATM ETR Counter (Type is String)
          • units: counts (Type is String)
          • source: ATL01/sc2/star_tracker/optical_head_2 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Star Tracker Optical Head (STOH) 2 [ATM TM#8: Subaddress 20] - External Time Reference (ETR) counter - Used to determine measurement time of reported quaternions with respect to SC- provided sync pulse; This item increments upon the reception of the SC-provided sync pulse (Type is String)
          • coordinates: delta_time (Type is String)
      • att_qa_z[ /sc/star_tracker/optical_head_2/delta_time= 0..4229] (Type is Float32)
        • attributes
          • long_name: STOH Attitude Quality (Z) (Type is String)
          • units: arcsec (Type is String)
          • source: ATL01/sc2/star_tracker/optical_head_2 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Star Tracker Optical Head (STOH) Quality measurement of STOH computed quaternion (Z) (Type is String)
          • coordinates: delta_time (Type is String)
      • seq_mode_st[ /sc/star_tracker/optical_head_2/delta_time= 0..4229] (Type is Int8)
        • attributes
          • _FillValue: 127 (Type is Int8)
          • long_name: Sequencing Mode Status (Type is String)
          • units: counts (Type is String)
          • source: ATL01/sc2/star_tracker/optical_head_2 (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 7 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: Star Tracker Optical Head (STOH) [Star Tracker Status TM#1: Subaddress 1] - Sequencing (Mode) Status. A value of 127 indicates that the data could not be filled from the vc5 packets. (Type is String)
          • coordinates: delta_time (Type is String)
          • flag_meanings: off standby photo acquire track autotest win_acq powered (Type is String)
          • flag_values: 0, 1, 2, 3, 4, 5, 6, 7 (Type is Int8)
      • atm_frame_counter[ /sc/star_tracker/optical_head_2/delta_time= 0..4229] (Type is UInt16)
        • attributes
          • long_name: STOH2 ATM Frame Counter (Type is String)
          • units: counts (Type is String)
          • source: ATL01/sc2/star_tracker/optical_head_2 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Star Tracker Optical Head (STOH) 2 [ATM TM#8: Subaddress 20] - Frame Counter (Type is String)
          • coordinates: delta_time (Type is String)
      • quaternion3[ /sc/star_tracker/optical_head_2/delta_time= 0..4229] (Type is Float64)
        • attributes
          • long_name: STOH1 Quaternion3 (Type is String)
          • units: counts (Type is String)
          • source: ATL01/sc2/star_tracker/optical_head_2 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Star Tracker Optical Head (STOH) [ATM TM#7: Subaddress 19] - Attitude quaternion 3 - STOH reference frame to Earth-Centered Inertial (ECI) reference frame (Type is String)
          • coordinates: delta_time (Type is String)
      • att_qa_y[ /sc/star_tracker/optical_head_2/delta_time= 0..4229] (Type is Float32)
        • attributes
          • long_name: STOH Attitude Quality (Y) (Type is String)
          • units: arcsec (Type is String)
          • source: ATL01/sc2/star_tracker/optical_head_2 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Star Tracker Optical Head (STOH) Quality measurement of STOH computed quaternion (Y) (Type is String)
          • coordinates: delta_time (Type is String)
      • quaternion1[ /sc/star_tracker/optical_head_2/delta_time= 0..4229] (Type is Float64)
        • attributes
          • long_name: STOH1 Quaternion1 (Type is String)
          • units: counts (Type is String)
          • source: ATL01/sc2/star_tracker/optical_head_2 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Star Tracker Optical Head (STOH) [ATM TM#7: Subaddress 19] - Attitude quaternion 1 - STOH reference frame to Earth-Centered Inertial (ECI) reference frame (Type is String)
          • coordinates: delta_time (Type is String)
      • quaternion4[ /sc/star_tracker/optical_head_2/delta_time= 0..4229] (Type is Float64)
        • attributes
          • long_name: STOH1 Quaternion4 (Type is String)
          • units: counts (Type is String)
          • source: ATL01/sc2/star_tracker/optical_head_2 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Star Tracker Optical Head (STOH) [ATM TM#7: Subaddress 19] - Attitude quaternion 4 - STOH reference frame to Earth-Centered Inertial (ECI) reference frame (Type is String)
          • coordinates: delta_time (Type is String)
      • delta_time[ /sc/star_tracker/optical_head_2/delta_time= 0..4229] (Type is Float64)
        • attributes
          • long_name: Elapsed GPS seconds (Type is String)
          • standard_name: time (Type is String)
          • units: seconds since 2018-01-01 (Type is String)
          • source: Derived via Time Tagging (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Elapsed GPS seconds from the ATLAS SDP GPS Epoch, computed from raw_ace_time_sec and subseconds and atm_etr_delay_tm8. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
      • n_stars[ /sc/star_tracker/optical_head_2/delta_time= 0..4229] (Type is Int8)
        • attributes
          • _FillValue: 127 (Type is Int8)
          • long_name: STOHx Number of Coherent Stars (Type is String)
          • units: counts (Type is String)
          • source: ATL01/sc2/star_tracker/optical_head_2 (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: Star Tracker Electronics (STE) [ATM TM#1: Subaddress 13] - Number of coherent stars used in STOH attitude calculation (Type is String)
          • coordinates: delta_time (Type is String)
  • inertial_measurement_unit(Type is Group)
    • attributes
      • Description: Contains parameters related to spacecraft IMU (Inertial Measurement Unit). (Type is String)
      • data_rate: Data within this main group are stored at the data rate of the source IMU within the Spacecraft Ancillary Science Data Packet. (nominally fifty per second.) (Type is String)
    Dimensions: [ /sc/inertial_measurement_unit/delta_time = 0..21149 ]
    • delta_time[ /sc/inertial_measurement_unit/delta_time= 0..21149] (Type is Float64)
      • attributes
        • long_name: Elapsed GPS seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Derived via Time Tagging (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: IMU delta time tag at the end of the IDL frame over which the integrated gyro angle data was collected, relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
    • sync_event_ttag[ /sc/inertial_measurement_unit/delta_time= 0..21149] (Type is Float64)
      • attributes
        • long_name: IMU Sync Event Time Tag (Type is String)
        • units: seconds (Type is String)
        • source: ATL01/sc1/inertial_measurement_unit/hi_rate converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: IMU Time remaining on the countdown timer which triggers the IDL interrupt (between the event strobe and the timetag of the next IDL data packet). IMU time at the reception of the last IMU time sync pulse. This word contains the time stamp that is recorded when the Event Strobe input to the SSIRU transitions to the active (low) state. (Type is String)
        • coordinates: delta_time (Type is String)
    • gyro_a(Type is Group)
      • attributes
        • Description: Contains parameters related to spacecraft IMU (Inertial Measurement Unit) gyros. (Type is String)
        • data_rate: Data within this main group are stored at the data rate of the source IMU high_rate data within the Spacecraft Ancillary Science Data Packet. (nominally fifty per second.) (Type is String)
      • gyro_angle[ /sc/inertial_measurement_unit/delta_time= 0..21149] (Type is Float32)
        • attributes
          • long_name: IMU Gyro Integrated Angle Counter (Gyros A, B, C, D) (Type is String)
          • units: arcseconds (Type is String)
          • source: ATL01/sc1/inertial_measurement_unit/hi_rate converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: IMU integrated angle sensed by the SSIRU Gyro. The data word shall increment from 0 to full scale (0xFFFF) and roll over to zero for positive input rates about the Gyro input axis. The data word shall decrement from full scale to 0 and roll over to 0xFFFF for negative input rates about the Gyro input axis. (Type is String)
          • coordinates: ../delta_time (Type is String)
      • gyro_rate_f[ /sc/inertial_measurement_unit/delta_time= 0..21149] (Type is Int8)
        • attributes
          • long_name: IMU Gyro Rate Valid (Gyros A, B, C, D) (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/sc1/inertial_measurement_unit/hi_rate (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: IMU Gyro Integrated Angular Rate data validity status. 0=invalid, 1=valid. (Type is String)
          • coordinates: ../delta_time (Type is String)
          • flag_meanings: invalid valid (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • gyro_sat_f[ /sc/inertial_measurement_unit/delta_time= 0..21149] (Type is Int8)
        • attributes
          • long_name: IMU Gyro Saturation Bit (Gyros A, B, C, D) (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/sc1/inertial_measurement_unit/hi_rate (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: IMU Gyro saturation mode: Force to Rebalance (FTR) Mode (The gyro operates in this mode during low inertial rates) or Whole Angle Saturation (WAS) Mode (The gyro operates in this mode during high inertial rates). (Type is String)
          • coordinates: ../delta_time (Type is String)
          • flag_meanings: ftr_mode was_mode (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • gyro_scal_f[ /sc/inertial_measurement_unit/delta_time= 0..21149] (Type is Int8)
        • attributes
          • long_name: IMU Gyro Scaling Factor (Gyros A, B, C, D) (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/sc1/inertial_measurement_unit/hi_rate (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: IMU Gyro scale factor mode: low scaling factor mode with the corresponding Integrated Angle word being 0.05 arc-sec/LSB or high scaling factor with the corresponding Integrated Angle word being 1.6 arc-sec/LSB. (Type is String)
          • coordinates: ../delta_time (Type is String)
          • flag_meanings: low_scale_factor high_scale_factor (Type is String)
          • flag_values: 0, 1 (Type is Int8)
    • gyro_b(Type is Group)
      • attributes
        • Description: Contains parameters related to spacecraft IMU (Inertial Measurement Unit) gyros. (Type is String)
        • data_rate: Data within this main group are stored at the data rate of the source IMU high_rate data within the Spacecraft Ancillary Science Data Packet. (nominally fifty per second.) (Type is String)
      • gyro_angle[ /sc/inertial_measurement_unit/delta_time= 0..21149] (Type is Float32)
        • attributes
          • long_name: IMU Gyro Integrated Angle Counter (Gyros A, B, C, D) (Type is String)
          • units: arcseconds (Type is String)
          • source: ATL01/sc1/inertial_measurement_unit/hi_rate converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: IMU integrated angle sensed by the SSIRU Gyro. The data word shall increment from 0 to full scale (0xFFFF) and roll over to zero for positive input rates about the Gyro input axis. The data word shall decrement from full scale to 0 and roll over to 0xFFFF for negative input rates about the Gyro input axis. (Type is String)
          • coordinates: ../delta_time (Type is String)
      • gyro_rate_f[ /sc/inertial_measurement_unit/delta_time= 0..21149] (Type is Int8)
        • attributes
          • long_name: IMU Gyro Rate Valid (Gyros A, B, C, D) (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/sc1/inertial_measurement_unit/hi_rate (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: IMU Gyro Integrated Angular Rate data validity status. 0=invalid, 1=valid. (Type is String)
          • coordinates: ../delta_time (Type is String)
          • flag_meanings: invalid valid (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • gyro_sat_f[ /sc/inertial_measurement_unit/delta_time= 0..21149] (Type is Int8)
        • attributes
          • long_name: IMU Gyro Saturation Bit (Gyros A, B, C, D) (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/sc1/inertial_measurement_unit/hi_rate (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: IMU Gyro saturation mode: Force to Rebalance (FTR) Mode (The gyro operates in this mode during low inertial rates) or Whole Angle Saturation (WAS) Mode (The gyro operates in this mode during high inertial rates). (Type is String)
          • coordinates: ../delta_time (Type is String)
          • flag_meanings: ftr_mode was_mode (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • gyro_scal_f[ /sc/inertial_measurement_unit/delta_time= 0..21149] (Type is Int8)
        • attributes
          • long_name: IMU Gyro Scaling Factor (Gyros A, B, C, D) (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/sc1/inertial_measurement_unit/hi_rate (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: IMU Gyro scale factor mode: low scaling factor mode with the corresponding Integrated Angle word being 0.05 arc-sec/LSB or high scaling factor with the corresponding Integrated Angle word being 1.6 arc-sec/LSB. (Type is String)
          • coordinates: ../delta_time (Type is String)
          • flag_meanings: low_scale_factor high_scale_factor (Type is String)
          • flag_values: 0, 1 (Type is Int8)
    • gyro_c(Type is Group)
      • attributes
        • Description: Contains parameters related to spacecraft IMU (Inertial Measurement Unit) gyros. (Type is String)
        • data_rate: Data within this main group are stored at the data rate of the source IMU high_rate data within the Spacecraft Ancillary Science Data Packet. (nominally fifty per second.) (Type is String)
      • gyro_angle[ /sc/inertial_measurement_unit/delta_time= 0..21149] (Type is Float32)
        • attributes
          • long_name: IMU Gyro Integrated Angle Counter (Gyros A, B, C, D) (Type is String)
          • units: arcseconds (Type is String)
          • source: ATL01/sc1/inertial_measurement_unit/hi_rate converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: IMU integrated angle sensed by the SSIRU Gyro. The data word shall increment from 0 to full scale (0xFFFF) and roll over to zero for positive input rates about the Gyro input axis. The data word shall decrement from full scale to 0 and roll over to 0xFFFF for negative input rates about the Gyro input axis. (Type is String)
          • coordinates: ../delta_time (Type is String)
      • gyro_rate_f[ /sc/inertial_measurement_unit/delta_time= 0..21149] (Type is Int8)
        • attributes
          • long_name: IMU Gyro Rate Valid (Gyros A, B, C, D) (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/sc1/inertial_measurement_unit/hi_rate (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: IMU Gyro Integrated Angular Rate data validity status. 0=invalid, 1=valid. (Type is String)
          • coordinates: ../delta_time (Type is String)
          • flag_meanings: invalid valid (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • gyro_sat_f[ /sc/inertial_measurement_unit/delta_time= 0..21149] (Type is Int8)
        • attributes
          • long_name: IMU Gyro Saturation Bit (Gyros A, B, C, D) (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/sc1/inertial_measurement_unit/hi_rate (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: IMU Gyro saturation mode: Force to Rebalance (FTR) Mode (The gyro operates in this mode during low inertial rates) or Whole Angle Saturation (WAS) Mode (The gyro operates in this mode during high inertial rates). (Type is String)
          • coordinates: ../delta_time (Type is String)
          • flag_meanings: ftr_mode was_mode (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • gyro_scal_f[ /sc/inertial_measurement_unit/delta_time= 0..21149] (Type is Int8)
        • attributes
          • long_name: IMU Gyro Scaling Factor (Gyros A, B, C, D) (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/sc1/inertial_measurement_unit/hi_rate (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: IMU Gyro scale factor mode: low scaling factor mode with the corresponding Integrated Angle word being 0.05 arc-sec/LSB or high scaling factor with the corresponding Integrated Angle word being 1.6 arc-sec/LSB. (Type is String)
          • coordinates: ../delta_time (Type is String)
          • flag_meanings: low_scale_factor high_scale_factor (Type is String)
          • flag_values: 0, 1 (Type is Int8)
    • gyro_d(Type is Group)
      • attributes
        • Description: Contains parameters related to spacecraft IMU (Inertial Measurement Unit) gyros. (Type is String)
        • data_rate: Data within this main group are stored at the data rate of the source IMU high_rate data within the Spacecraft Ancillary Science Data Packet. (nominally fifty per second.) (Type is String)
      • gyro_angle[ /sc/inertial_measurement_unit/delta_time= 0..21149] (Type is Float32)
        • attributes
          • long_name: IMU Gyro Integrated Angle Counter (Gyros A, B, C, D) (Type is String)
          • units: arcseconds (Type is String)
          • source: ATL01/sc1/inertial_measurement_unit/hi_rate converted (Type is String)
          • contentType: referenceInformation (Type is String)
          • description: IMU integrated angle sensed by the SSIRU Gyro. The data word shall increment from 0 to full scale (0xFFFF) and roll over to zero for positive input rates about the Gyro input axis. The data word shall decrement from full scale to 0 and roll over to 0xFFFF for negative input rates about the Gyro input axis. (Type is String)
          • coordinates: ../delta_time (Type is String)
      • gyro_rate_f[ /sc/inertial_measurement_unit/delta_time= 0..21149] (Type is Int8)
        • attributes
          • long_name: IMU Gyro Rate Valid (Gyros A, B, C, D) (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/sc1/inertial_measurement_unit/hi_rate (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: IMU Gyro Integrated Angular Rate data validity status. 0=invalid, 1=valid. (Type is String)
          • coordinates: ../delta_time (Type is String)
          • flag_meanings: invalid valid (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • gyro_sat_f[ /sc/inertial_measurement_unit/delta_time= 0..21149] (Type is Int8)
        • attributes
          • long_name: IMU Gyro Saturation Bit (Gyros A, B, C, D) (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/sc1/inertial_measurement_unit/hi_rate (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: IMU Gyro saturation mode: Force to Rebalance (FTR) Mode (The gyro operates in this mode during low inertial rates) or Whole Angle Saturation (WAS) Mode (The gyro operates in this mode during high inertial rates). (Type is String)
          • coordinates: ../delta_time (Type is String)
          • flag_meanings: ftr_mode was_mode (Type is String)
          • flag_values: 0, 1 (Type is Int8)
      • gyro_scal_f[ /sc/inertial_measurement_unit/delta_time= 0..21149] (Type is Int8)
        • attributes
          • long_name: IMU Gyro Scaling Factor (Gyros A, B, C, D) (Type is String)
          • units: 1 (Type is String)
          • source: ATL01/sc1/inertial_measurement_unit/hi_rate (Type is String)
          • valid_min: 0 (Type is Int8)
          • valid_max: 1 (Type is Int8)
          • contentType: referenceInformation (Type is String)
          • description: IMU Gyro scale factor mode: low scaling factor mode with the corresponding Integrated Angle word being 0.05 arc-sec/LSB or high scaling factor with the corresponding Integrated Angle word being 1.6 arc-sec/LSB. (Type is String)
          • coordinates: ../delta_time (Type is String)
          • flag_meanings: low_scale_factor high_scale_factor (Type is String)
          • flag_values: 0, 1 (Type is Int8)
  • hk(Type is Group)
    • attributes
      • Description: Contains parameters related to spacecraft housekeeping data. (Type is String)
      • data_rate: Data within this group are stored at the data rate of the source Spacecraft Ancillary Science Data Packets. (nominally one per second.) (Type is String)
    Dimensions: [ /sc/hk/delta_time = 0..422 ] [ /sc/hk/ds_ab_index = 0..1 ] [ /sc/hk/ds_flexure_index = 0..2 ] [ /sc/hk/ds_temp_index = 0..14 ]
    • at_heater_4_sw[ /sc/hk/delta_time= 0..422] [ /sc/hk/ds_ab_index= 0..1] (Type is Int8)
      • attributes
        • long_name: ATLAS Switch Status - Survival Heater 4 (Sides A, B) (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc1/hk (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: ATLAS Survival Heater 4 power feed status measured by the SC PDU (Sides A, B) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: on off (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • sa_4_ot_bk_t[ /sc/hk/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: Solar Array Panel 4 (Outboard) Back- Side Temperature (Type is String)
        • units: degreesC (Type is String)
        • source: ATL01/sc1/hk converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: SC Monitored Temperature of the Back-Side of Solar Panel 4 (Outboard Panel) (Type is String)
        • coordinates: delta_time (Type is String)
    • at_heater_3_sw[ /sc/hk/delta_time= 0..422] [ /sc/hk/ds_ab_index= 0..1] (Type is Int8)
      • attributes
        • long_name: ATLAS Switch Status - Survival Heater 3 (Sides A, B) (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc1/hk (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: ATLAS Survival Heater 3 power feed status measured by the SC PDU (Sides A, B) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: on off (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • sc_at_flex_t[ /sc/hk/delta_time= 0..422] [ /sc/hk/ds_flexure_index= 0..2] (Type is Float32)
      • attributes
        • long_name: SC-to-ATLAS Flexure Temperature (Type is String)
        • units: degreesC (Type is String)
        • source: ATL01/sc1/hk converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: SC Monitored Temperature of Mechanical I/F Flexure 1, 2 and 3 (Type is String)
        • coordinates: delta_time (Type is String)
    • ds_ab_index[ /sc/hk/ds_ab_index= 0..1] (Type is Int8)
      • attributes
        • long_name: Dimension scale for Side A or B (Type is String)
        • units: 1 (Type is String)
        • source: Dimension Scale (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Dimension scale for Side A or B (Type is String)
        • flag_meanings: side_a side_b (Type is String)
        • flag_values: 1, 2 (Type is Int8)
    • at_det_p[ /sc/hk/delta_time= 0..422] [ /sc/hk/ds_ab_index= 0..1] (Type is Float32)
      • attributes
        • long_name: ATLAS Currents - Detector Power (Sides A, B) (Type is String)
        • units: amps (Type is String)
        • source: ATL01/sc1/hk converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ATLAS Detector power feed current measured by the SC PDU (7.5A; Sides A, B) (Type is String)
        • coordinates: delta_time (Type is String)
    • sa_1_in_bk_t[ /sc/hk/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: Solar Array Panel 1 (Inboard) Back-Side Temperature (Type is String)
        • units: degreesC (Type is String)
        • source: ATL01/sc1/hk converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: SC Monitored Temperature of the Back-Side of Solar Panel 1 (Inboard Panel) (Type is String)
        • coordinates: delta_time (Type is String)
    • ds_flexure_index[ /sc/hk/ds_flexure_index= 0..2] (Type is Int8)
      • attributes
        • long_name: Dimension scale for flexure thermistors (Type is String)
        • units: 1 (Type is String)
        • source: Dimension Scale (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Dimension scale for flexure thermistor temperatures. (Type is String)
    • at_heater_2_c[ /sc/hk/delta_time= 0..422] [ /sc/hk/ds_ab_index= 0..1] (Type is Float32)
      • attributes
        • long_name: ATLAS Currents - Survival Heater 2 (Sides A, B) (Type is String)
        • units: amps (Type is String)
        • source: ATL01/sc1/hk converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ATLAS Survival Heater 2 power feed current measured by the SC PDU (10A; Sides A, B) (Type is String)
        • coordinates: delta_time (Type is String)
    • at_lhp_sdhtr_sw[ /sc/hk/delta_time= 0..422] [ /sc/hk/ds_ab_index= 0..1] (Type is Int8)
      • attributes
        • long_name: ATLAS Switch Status - LHP Shutdown HTR (Sides A, B) (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc1/hk (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: ATLAS LHP Shutdown Heater power feed status measured by the SC PDU (Sides A, B) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: on off (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • at_heater_1_sw[ /sc/hk/delta_time= 0..422] [ /sc/hk/ds_ab_index= 0..1] (Type is Int8)
      • attributes
        • long_name: ATLAS Switch Status - Survival Heater 1 (Sides A, B) (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc1/hk (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ATLAS Survival Heater 1 power feed status measured by the SC PDU (Sides A, B) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: on off (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • at_det_sw[ /sc/hk/delta_time= 0..422] [ /sc/hk/ds_ab_index= 0..1] (Type is Int8)
      • attributes
        • long_name: ATLAS Switch Status - Detector (Sides A, B) (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc1/hk (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: ATLAS Detector power feed status measured by the SC PDU (Sides A, B) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: on off (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • at_laser_a_c[ /sc/hk/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: ATLAS Currents - Laser A (Type is String)
        • units: amps (Type is String)
        • source: ATL01/sc1/hk converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ATLAS Laser A power feed current measured by the SC PDU (20A) (Type is String)
        • coordinates: delta_time (Type is String)
    • sa_1_in_cell_t[ /sc/hk/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: Solar Array Panel 1 (Inboard) Cell-Side Temp (Type is String)
        • units: degreesC (Type is String)
        • source: ATL01/sc1/hk converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: SC Monitored Temperature of the Cell-Side of Solar Panel 1 (Inboard Panel) (Type is String)
        • coordinates: delta_time (Type is String)
    • delta_time[ /sc/hk/delta_time= 0..422] (Type is Float64)
      • attributes
        • long_name: Elapsed GPS seconds (Type is String)
        • standard_name: time (Type is String)
        • units: seconds since 2018-01-01 (Type is String)
        • source: Derived via Time Tagging (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: The derived time tag of the data, relative to the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
    • sa_4_ot_cell_t[ /sc/hk/delta_time= 0..422] (Type is Float32)
      • attributes
        • long_name: Solar Array Panel 4 (Outboard) Cell- Side Temperature (Type is String)
        • units: degreesC (Type is String)
        • source: ATL01/sc1/hk converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: SC Monitored Temperature of the Cell-Side of Solar Panel 4 (Outboard Panel) (Type is String)
        • coordinates: delta_time (Type is String)
    • sc_e_bus_v[ /sc/hk/delta_time= 0..422] [ /sc/hk/ds_ab_index= 0..1] (Type is Float32)
      • attributes
        • long_name: SC Essential Bus Voltage (Sides A, B) (Type is String)
        • units: volts (Type is String)
        • source: ATL01/sc1/hk converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: SC Essential Bus Voltage measured by the SC PDU. (Sides A, B) (Type is String)
        • coordinates: delta_time (Type is String)
    • at_laser_sw[ /sc/hk/delta_time= 0..422] [ /sc/hk/ds_ab_index= 0..1] (Type is Int8)
      • attributes
        • long_name: ATLAS Switch Status - Laser (Sides A, B) (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc1/hk (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: ATLAS Laser power feed status measured by the SC PDU (Sides A, B) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: on off (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • at_lhp_sdhtr_c[ /sc/hk/delta_time= 0..422] [ /sc/hk/ds_ab_index= 0..1] (Type is Float32)
      • attributes
        • long_name: ATLAS Currents - LHP Shutdown HTR (Sides A, B) (Type is String)
        • units: amps (Type is String)
        • source: ATL01/sc1/hk converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ATLAS Loop Heat Pipe Shutdown power feed current measured by the SC PDU (7.5A; Sides A, B) (Type is String)
        • coordinates: delta_time (Type is String)
    • at_main_sw[ /sc/hk/delta_time= 0..422] [ /sc/hk/ds_ab_index= 0..1] (Type is Int8)
      • attributes
        • long_name: ATLAS Switch Status - Main (Sides A, B) (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc1/hk (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: ATLAS Main power feed status measured by the SC PDU (Sides A, B) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: on off (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • at_heater_2_sw[ /sc/hk/delta_time= 0..422] [ /sc/hk/ds_ab_index= 0..1] (Type is Int8)
      • attributes
        • long_name: ATLAS Switch Status - Survival Heater 2 (Sides A, B) (Type is String)
        • units: 1 (Type is String)
        • source: ATL01/sc1/hk (Type is String)
        • valid_min: 0 (Type is Int8)
        • valid_max: 1 (Type is Int8)
        • contentType: referenceInformation (Type is String)
        • description: ATLAS Survival Heater 2 power feed status measured by the SC PDU (Sides A, B) (Type is String)
        • coordinates: delta_time (Type is String)
        • flag_meanings: on off (Type is String)
        • flag_values: 0, 1 (Type is Int8)
    • at_heater_1_c[ /sc/hk/delta_time= 0..422] [ /sc/hk/ds_ab_index= 0..1] (Type is Float32)
      • attributes
        • long_name: ATLAS Currents - Survival Heater 1 (Sides A, B) (Type is String)
        • units: amps (Type is String)
        • source: ATL01/sc1/hk converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ATLAS Survival Heater 1 power feed current measured by the SC PDU (10A; Sides A, B) (Type is String)
        • coordinates: delta_time (Type is String)
    • at_heater_4_c[ /sc/hk/delta_time= 0..422] [ /sc/hk/ds_ab_index= 0..1] (Type is Float32)
      • attributes
        • units: amps (Type is String)
        • long_name: ATLAS Currents - Survival Heater 4 (Sides A, B) (Type is String)
        • source: ATL01/sc1/hk converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ATLAS Survival Heater 4 power feed current measured by the SC PDU (10A; Sides A, B) (Type is String)
        • coordinates: delta_time (Type is String)
    • ds_temp_index[ /sc/hk/ds_temp_index= 0..14] (Type is Int8)
      • attributes
        • long_name: Dimension scale for ATLAS Temperatures (Type is String)
        • units: 1 (Type is String)
        • source: Dimension Scale (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: Dimension scale for ATLAS temperatures. (Type is String)
    • at_heater_3_c[ /sc/hk/delta_time= 0..422] [ /sc/hk/ds_ab_index= 0..1] (Type is Float32)
      • attributes
        • units: amps (Type is String)
        • long_name: ATLAS Currents - Survival Heater 3 (Sides A, B) (Type is String)
        • source: ATL01/sc1/hk converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ATLAS Survival Heater 3 power feed current measured by the SC PDU (10A; Sides A, B) (Type is String)
        • coordinates: delta_time (Type is String)
    • at_t[ /sc/hk/delta_time= 0..422] [ /sc/hk/ds_temp_index= 0..14] (Type is Float32)
      • attributes
        • long_name: ATLAS Temperatures (1-15) (Type is String)
        • units: degreesC (Type is String)
        • source: ATL01/sc1/hk converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: SC Monitored ATLAS Temperatures (1 to 15) (Type is String)
        • coordinates: delta_time (Type is String)
    • at_main_c[ /sc/hk/delta_time= 0..422] [ /sc/hk/ds_ab_index= 0..1] (Type is Float32)
      • attributes
        • long_name: ATLAS Currents - ATLAS Main (Sides A, B) (Type is String)
        • units: amps (Type is String)
        • source: ATL01/sc1/hk converted (Type is String)
        • contentType: referenceInformation (Type is String)
        • description: ATLAS Main power feed current measured by the SC PDU (20A; Sides A, B) (Type is String)
        • coordinates: delta_time (Type is String)
METADATA(Type is Group)
  • attributes
    • Description: ISO19115 Structured Metadata Represented within HDF5 (Type is String)
    • iso_19139_dataset_xml: <?xml version="1.0"?> <gmd:DS_Series xsi:schemaLocation="http://www.isotc211.org/2005/gmi http://cdn.earthdata.nasa.gov/iso/schema/1.0/ISO19115-2_EOS.xsd" xmlns:eos="http://earthdata.nasa.gov/schema/eos" xmlns:gco="http://www.isotc211.org/2005/gco" xmlns:gmd="http://www.isotc211.org/2005/gmd" xmlns:gmi="http://www.isotc211.org/2005/gmi" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:gmx="http://www.isotc211.org/2005/gmx" xmlns:gsr="http://www.isotc211.org/2005/gsr" xmlns:gss="http://www.isotc211.org/2005/gss" xmlns:gts="http://www.isotc211.org/2005/gts" xmlns:srv="http://www.isotc211.org/2005/srv" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <gmd:composedOf> <gmd:DS_DataSet> <gmd:has> <gmi:MI_Metadata> <gmd:fileIdentifier> <gmx:FileName>ATL02_20221231235632_01741814_006_01.h5</gmx:FileName> </gmd:fileIdentifier> <gmd:contact> <gmd:CI_ResponsibleParty> <gmd:organisationName> <gco:CharacterString>NSIDC DAAC &gt; National Snow and Ice Data Center DAAC</gco:CharacterString> </gmd:organisationName> <gmd:contactInfo> <gmd:CI_Contact> <gmd:address> <gmd:CI_Address> <gmd:electronicMailAddress> <gco:CharacterString>nsidc@nsidc.org</gco:CharacterString> </gmd:electronicMailAddress> </gmd:CI_Address> </gmd:address> <gmd:onlineResource> <gmd:CI_OnlineResource> <gmd:linkage> <gmd:URL>http://nsidc.org/daac/</gmd:URL> </gmd:linkage> </gmd:CI_OnlineResource> </gmd:onlineResource> </gmd:CI_Contact> </gmd:contactInfo> <gmd:role> <gmd:CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="pointOfContact">pointOfContact</gmd:CI_RoleCode> </gmd:role> </gmd:CI_ResponsibleParty> </gmd:contact> <gmd:dateStamp> <gco:DateTime>2023-01-03T18:15:50.000000Z</gco:DateTime> </gmd:dateStamp> <gmd:metadataStandardName> <gco:CharacterString>ISO 19115-2 Geographic information - Metadata - Part 2: Extensions for imagery and gridded data</gco:CharacterString> </gmd:metadataStandardName> <gmd:metadataStandardVersion> <gco:CharacterString>ISO 19115-2:2009-02-15</gco:CharacterString> </gmd:metadataStandardVersion> <gmd:identificationInfo> <gmd:MD_DataIdentification> <gmd:citation> <gmd:CI_Citation> <gmd:title> <gmx:FileName>ATL02_20221231235632_01741814_006_01.h5</gmx:FileName> </gmd:title> <gmd:date> <gmd:CI_Date> <gmd:date> <gco:DateTime>2023-01-03T18:15:50.000000Z</gco:DateTime> </gmd:date> <gmd:dateType> <gmd:CI_DateTypeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" codeListValue="creation">creation</gmd:CI_DateTypeCode> </gmd:dateType> </gmd:CI_Date> </gmd:date> <gmd:identifier> <gmd:MD_Identifier> <gmd:code> <gco:CharacterString>ATL02</gco:CharacterString> </gmd:code> <gmd:description> <gco:CharacterString>The ECS Short Name</gco:CharacterString> </gmd:description> </gmd:MD_Identifier> </gmd:identifier> <gmd:identifier> <gmd:MD_Identifier> <gmd:code> <gco:CharacterString>006</gco:CharacterString> </gmd:code> <gmd:description> <gco:CharacterString>The ECS Version ID</gco:CharacterString> </gmd:description> </gmd:MD_Identifier> </gmd:identifier> <gmd:identifier> <gmd:MD_Identifier> <gmd:code> <gco:CharacterString>ATL02_20221231235632_01741814_006_01.h5</gco:CharacterString> </gmd:code> <gmd:description> <gco:CharacterString>ProducerGranuleId</gco:CharacterString> </gmd:description> </gmd:MD_Identifier> </gmd:identifier> </gmd:CI_Citation> </gmd:citation> <gmd:abstract> <gco:CharacterString>ATL02 Science unit converted time ordered telemetry calibrated for instrument effects. All photon events per beam per shot. Includes atmosphere raw profiles, housekeeping data, engineering data, s/c position, and pointing data.</gco:CharacterString> </gmd:abstract> <gmd:status> <gmd:MD_ProgressCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_ProgressCode" codeListValue="onGoing">onGoing</gmd:MD_ProgressCode> </gmd:status> <gmd:aggregationInfo> <gmd:MD_AggregateInformation> <gmd:aggregateDataSetName> <gmd:CI_Citation> <gmd:title> <gco:CharacterString>ATL02</gco:CharacterString> </gmd:title> <gmd:date gco:nilReason="unknown"/> <gmd:edition> <gco:CharacterString>006</gco:CharacterString> </gmd:edition> </gmd:CI_Citation> </gmd:aggregateDataSetName> <gmd:associationType> <gmd:DS_AssociationTypeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#DS_AssociationTypeCode" codeListValue="largerWorkCitation">largerWorkCitation</gmd:DS_AssociationTypeCode> </gmd:associationType> </gmd:MD_AggregateInformation> </gmd:aggregationInfo> <gmd:language> <gco:CharacterString>eng</gco:CharacterString> </gmd:language> <gmd:topicCategory> <gmd:MD_TopicCategoryCode>geoscientificInformation</gmd:MD_TopicCategoryCode> </gmd:topicCategory> <gmd:extent> <gmd:EX_Extent> <gmd:geographicElement> <gmd:EX_GeographicBoundingBox> <gmd:extentTypeCode> <gco:Boolean>true</gco:Boolean> </gmd:extentTypeCode> <gmd:westBoundLongitude> <gco:Decimal>-149.899225</gco:Decimal> </gmd:westBoundLongitude> <gmd:eastBoundLongitude> <gco:Decimal>-147.122587</gco:Decimal> </gmd:eastBoundLongitude> <gmd:southBoundLatitude> <gco:Decimal>-26.963316</gco:Decimal> </gmd:southBoundLatitude> <gmd:northBoundLatitude> <gco:Decimal>0.024206</gco:Decimal> </gmd:northBoundLatitude> </gmd:EX_GeographicBoundingBox> </gmd:geographicElement> <gmd:temporalElement> <gmd:EX_TemporalExtent> <gmd:extent> <gml:TimePeriod gml:id="TIME_PERIOD_ID"> <gml:beginPosition>2022-12-31T23:56:31.880938Z</gml:beginPosition> <gml:endPosition>2023-01-01T00:03:34.876648Z</gml:endPosition> </gml:TimePeriod> </gmd:extent> </gmd:EX_TemporalExtent> </gmd:temporalElement> </gmd:EX_Extent> </gmd:extent> </gmd:MD_DataIdentification> </gmd:identificationInfo> <gmd:dataQualityInfo> <gmd:DQ_DataQuality> <gmd:scope> <gmd:DQ_Scope> <gmd:level> <gmd:MD_ScopeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_ScopeCode" codeListValue="dataset">dataset</gmd:MD_ScopeCode> </gmd:level> </gmd:DQ_Scope> </gmd:scope> <gmd:lineage> <gmd:LI_Lineage> <gmd:processStep> <gmi:LE_ProcessStep> <gmd:description> <gco:CharacterString>2023-01-03T18:15:50.000000Z;8add2519-6f47-352b-95c1-dd0a36c20c52;Created by PGE atlas_l1b Version 5.0</gco:CharacterString> </gmd:description> <gmd:dateTime> <gco:DateTime>2023-01-03T18:15:50.000000Z</gco:DateTime> </gmd:dateTime> </gmi:LE_ProcessStep> </gmd:processStep> </gmd:LI_Lineage> </gmd:lineage> </gmd:DQ_DataQuality> </gmd:dataQualityInfo> </gmi:MI_Metadata> </gmd:has> </gmd:DS_DataSet> </gmd:composedOf> <gmd:seriesMetadata gco:nilReason="missing"/> </gmd:DS_Series> (Type is String)
    • iso_19139_series_xml: <?xml version="1.0" encoding="UTF-8"?> <gmd:DS_Series xmlns:eos="http://earthdata.nasa.gov/schema/eos" xmlns:gco="http://www.isotc211.org/2005/gco" xmlns:gmd="http://www.isotc211.org/2005/gmd" xmlns:gmi="http://www.isotc211.org/2005/gmi" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:gmx="http://www.isotc211.org/2005/gmx" xmlns:gsr="http://www.isotc211.org/2005/gsr" xmlns:gss="http://www.isotc211.org/2005/gss" xmlns:gts="http://www.isotc211.org/2005/gts" xmlns:srv="http://www.isotc211.org/2005/srv" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.isotc211.org/2005/gmi http://cdn.earthdata.nasa.gov/iso/schema/1.0/ISO19115-2_EOS.xsd"> <gmd:composedOf gco:nilReason="inapplicable"/> <gmd:seriesMetadata> <gmi:MI_Metadata> <gmd:fileIdentifier> <gco:CharacterString>ATL02.006</gco:CharacterString> </gmd:fileIdentifier> <gmd:language> <gco:CharacterString>eng</gco:CharacterString> </gmd:language> <gmd:characterSet> <gmd:MD_CharacterSetCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#MD_CharacterSetCode" codeListValue="utf8">utf8</gmd:MD_CharacterSetCode> </gmd:characterSet> <gmd:hierarchyLevel> <gmd:MD_ScopeCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#MD_ScopeCode" codeListValue="series">series</gmd:MD_ScopeCode> </gmd:hierarchyLevel> <gmd:contact> <gmd:CI_ResponsibleParty> <gmd:organisationName> <gco:CharacterString>NSIDC DAAC &gt; NASA National Snow and Ice Data Center Distributed Active Archive Center</gco:CharacterString> </gmd:organisationName> <gmd:contactInfo> <gmd:CI_Contact id="NSIDC_DAAC_CONTACT_ID"> <gmd:phone> <gmd:CI_Telephone> <gmd:voice> <gco:CharacterString>303-492-6199</gco:CharacterString> </gmd:voice> <gmd:facsimile> <gco:CharacterString>303-492-2468</gco:CharacterString> </gmd:facsimile> </gmd:CI_Telephone> </gmd:phone> <gmd:address> <gmd:CI_Address> <gmd:deliveryPoint> <gco:CharacterString>1540 30th St Campus Box 449</gco:CharacterString> </gmd:deliveryPoint> <gmd:city> <gco:CharacterString>Boulder</gco:CharacterString> </gmd:city> <gmd:administrativeArea> <gco:CharacterString>Colorado</gco:CharacterString> </gmd:administrativeArea> <gmd:postalCode> <gco:CharacterString>80309-0449</gco:CharacterString> </gmd:postalCode> <gmd:country> <gco:CharacterString>USA</gco:CharacterString> </gmd:country> <gmd:electronicMailAddress> <gco:CharacterString>nsidc@nsidc.org</gco:CharacterString> </gmd:electronicMailAddress> </gmd:CI_Address> </gmd:address> <gmd:onlineResource> <gmd:CI_OnlineResource> <gmd:linkage> <gmd:URL>http://nsidc.org/daac/</gmd:URL> </gmd:linkage> </gmd:CI_OnlineResource> </gmd:onlineResource> <gmd:hoursOfService> <gco:CharacterString>9:00 A.M. to 5:00 P.M., U.S. Mountain Time, Monday through Friday, excluding U.S. holidays.</gco:CharacterString> </gmd:hoursOfService> <gmd:contactInstructions> <gco:CharacterString>Contact by e-mail first</gco:CharacterString> </gmd:contactInstructions> </gmd:CI_Contact> </gmd:contactInfo> <gmd:role> <gmd:CI_RoleCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="pointOfContact">pointOfContact</gmd:CI_RoleCode> </gmd:role> </gmd:CI_ResponsibleParty> </gmd:contact> <gmd:dateStamp> <gco:Date>2015-10-15</gco:Date> </gmd:dateStamp> <gmd:metadataStandardName> <gco:CharacterString>ISO 19115-2 Geographic information - Metadata - Part 2: Extensions for imagery and gridded data</gco:CharacterString> </gmd:metadataStandardName> <gmd:metadataStandardVersion> <gco:CharacterString>ISO 19115-2:2009(E)</gco:CharacterString> </gmd:metadataStandardVersion> <gmd:identificationInfo> <gmd:MD_DataIdentification> <gmd:citation> <gmd:CI_Citation> <!-- ECS extracts the LongName from here --> <!-- UMM-C expects the ShortName to precede the LongName separated by a &gt; here --> <gmd:title> <gco:CharacterString>ATLAS/ICESat-2 L1B Converted Telemetry Data</gco:CharacterString> </gmd:title> <gmd:date> <gmd:CI_Date> <!-- ECS extracts the RevisionDate from here --> <gmd:date> <gco:Date>2022-08-09</gco:Date> </gmd:date> <gmd:dateType> <gmd:CI_DateTypeCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" codeListValue="revision">revision</gmd:CI_DateTypeCode> </gmd:dateType> </gmd:CI_Date> </gmd:date> <!-- VersionID is expected to be here by the Base Reference Metadata Model document --> <gmd:edition> <gco:CharacterString>006</gco:CharacterString> </gmd:edition> <gmd:identifier> <gmd:MD_Identifier> <!-- ECS extracts the ShortName from here --> <gmd:code> <gco:CharacterString>ATL02</gco:CharacterString> </gmd:code> <gmd:description> <gco:CharacterString>The ECS Short Name</gco:CharacterString> </gmd:description> </gmd:MD_Identifier> </gmd:identifier> <gmd:identifier> <gmd:MD_Identifier> <!-- ECS extracts the VersionID from here --> <gmd:code> <gco:CharacterString>006</gco:CharacterString> </gmd:code> <gmd:description> <gco:CharacterString>The ECS Version ID</gco:CharacterString> </gmd:description> </gmd:MD_Identifier> </gmd:identifier> <gmd:identifier> <gmd:MD_Identifier> <!-- This field provides the Digital Object Identifier (DOI). --> <gmd:code> <gmx:Anchor xlink:actuate="onRequest" xlink:href="http://dx.doi.org/10.5067/ATLAS/ATL02.006">doi:10.5067/ATLAS/ATL02.006</gmx:Anchor> </gmd:code> <gmd:codeSpace> <gco:CharacterString>gov.nasa.esdis</gco:CharacterString> </gmd:codeSpace> <gmd:description> <gco:CharacterString>A Digital Object Identifier (DOI)</gco:CharacterString> </gmd:description> </gmd:MD_Identifier> </gmd:identifier> <gmd:citedResponsibleParty> <gmd:CI_ResponsibleParty> <gmd:organisationName> <gco:CharacterString>National Aeronautics and Space Administration (NASA)</gco:CharacterString> </gmd:organisationName> <gmd:role> <gmd:CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="resourceProvider">resourceProvider</gmd:CI_RoleCode> </gmd:role> </gmd:CI_ResponsibleParty> </gmd:citedResponsibleParty> <gmd:citedResponsibleParty> <gmd:CI_ResponsibleParty> <!-- ECS expects ProcessingCenter to be here --> <gmd:organisationName> <gco:CharacterString>GSFC I-SIPS &gt; ICESat-2 Science Investigator-led Processing System</gco:CharacterString> </gmd:organisationName> <gmd:role> <gmd:CI_RoleCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="originator">originator</gmd:CI_RoleCode> </gmd:role> </gmd:CI_ResponsibleParty> </gmd:citedResponsibleParty> <!-- ECS extracts the VersionDescription from here --> <gmd:otherCitationDetails> <gco:CharacterString>Initial version of the processing software</gco:CharacterString> </gmd:otherCitationDetails> </gmd:CI_Citation> </gmd:citation> <!-- ECS extracts the CollectionDescription from here --> <gmd:abstract> <gco:CharacterString>ATL02 Science unit converted time ordered telemetry calibrated for instrument effects. All photon events per beam per shot. Includes atmosphere raw profiles, housekeeping data, engineering data, s/c position, and pointing data.</gco:CharacterString> </gmd:abstract> <gmd:purpose> <gco:CharacterString>The purpose of ATL02 is to provide science-unit, calibrated data for upstream processing. Data converted from raw counts to science units, calibrated for instrument effects and precisely time-tagged. ATL02 provides the position and pointing data needed to precisely geolocate each photon. ATL02 is of limited use to the science community.</gco:CharacterString> </gmd:purpose> <gmd:credit> <gco:CharacterString>The software that generates the ATL02 product was designed and implemented at the NASA Wallops Flight Facility in Wallops Island, Virginia.</gco:CharacterString> </gmd:credit> <gmd:status> <gmd:MD_ProgressCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_ProgressCode" codeListValue="onGoing">onGoing</gmd:MD_ProgressCode> </gmd:status> <gmd:pointOfContact> <gmd:CI_ResponsibleParty> <!-- ECS expects ArchiveCenter to be here --> <gmd:organisationName> <gco:CharacterString>NSIDC DAAC &gt; NASA National Snow and Ice Data Center Distributed Active Archive Center</gco:CharacterString> </gmd:organisationName> <gmd:contactInfo xlink:href="#NSIDC_DAAC_CONTACT_ID"/> <gmd:role> <gmd:CI_RoleCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="distributor">distributor</gmd:CI_RoleCode> </gmd:role> </gmd:CI_ResponsibleParty> </gmd:pointOfContact> <gmd:resourceFormat> <gmd:MD_Format> <gmd:name> <gco:CharacterString>HDF</gco:CharacterString> </gmd:name> <gmd:version> <gco:CharacterString>5</gco:CharacterString> </gmd:version> </gmd:MD_Format> </gmd:resourceFormat> <gmd:descriptiveKeywords> <gmd:MD_Keywords> <gmd:keyword> <gco:CharacterString>EARTH SCIENCE &gt; SPECTRAL/ENGINEERING &gt; INFRARED WAVELENGTHS &gt; SENSOR COUNTS &gt; NONE &gt; NONE &gt; Photons</gco:CharacterString> </gmd:keyword> <gmd:type> <gmd:MD_KeywordTypeCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#MD_KeywordTypeCode" codeListValue="theme">theme</gmd:MD_KeywordTypeCode> </gmd:type> <gmd:thesaurusName> <gmd:CI_Citation> <gmd:title> <gco:CharacterString>NASA/GCMD Science Keywords</gco:CharacterString> </gmd:title> <gmd:date gco:nilReason="unknown"/> <gmd:citedResponsibleParty> <gmd:CI_ResponsibleParty id="GCMD_USO_ID"> <gmd:organisationName> <gco:CharacterString>NASA Global Change Master Directory (GCMD) User Support Office</gco:CharacterString> </gmd:organisationName> <gmd:contactInfo> <gmd:CI_Contact> <gmd:phone gco:nilReason="missing"/> <gmd:address> <gmd:CI_Address> <gmd:deliveryPoint> <gco:CharacterString>NASA Global Change Master Directory, Goddard Space Flight Center</gco:CharacterString> </gmd:deliveryPoint> <gmd:city> <gco:CharacterString>Greenbelt</gco:CharacterString> </gmd:city> <gmd:administrativeArea> <gco:CharacterString>MD</gco:CharacterString> </gmd:administrativeArea> <gmd:postalCode> <gco:CharacterString>20771</gco:CharacterString> </gmd:postalCode> <gmd:country> <gco:CharacterString>USA</gco:CharacterString> </gmd:country> <gmd:electronicMailAddress> <gco:CharacterString>gcmduso@gcmd.gsfc.nasa.gov</gco:CharacterString> </gmd:electronicMailAddress> </gmd:CI_Address> </gmd:address> <gmd:onlineResource> <gmd:CI_OnlineResource> <gmd:linkage> <gmd:URL>http://gcmd.nasa.gov/</gmd:URL> </gmd:linkage> <gmd:protocol> <gco:CharacterString>http</gco:CharacterString> </gmd:protocol> <gmd:applicationProfile> <gco:CharacterString>web browser</gco:CharacterString> </gmd:applicationProfile> <gmd:name> <gco:CharacterString>NASA Global Change Master Directory (GCMD)</gco:CharacterString> </gmd:name> <gmd:description> <gco:CharacterString>Home Page</gco:CharacterString> </gmd:description> <gmd:function> <gmd:CI_OnLineFunctionCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="information">information</gmd:CI_OnLineFunctionCode> </gmd:function> </gmd:CI_OnlineResource> </gmd:onlineResource> <gmd:contactInstructions> <gco:CharacterString>http://gcmd.nasa.gov/MailComments/MailComments.jsf?rcpt=gcmduso</gco:CharacterString> </gmd:contactInstructions> </gmd:CI_Contact> </gmd:contactInfo> <gmd:role> <gmd:CI_RoleCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="custodian">custodian</gmd:CI_RoleCode> </gmd:role> </gmd:CI_ResponsibleParty> </gmd:citedResponsibleParty> <gmd:citedResponsibleParty> <gmd:CI_ResponsibleParty id="GCMD_KEYWORDS_ID"> <gmd:organisationName> <gco:CharacterString>Global Change Master Directory (GCMD)</gco:CharacterString> </gmd:organisationName> <gmd:contactInfo> <gmd:CI_Contact> <gmd:phone gco:nilReason="missing"/> <gmd:address> <gmd:CI_Address> <gmd:deliveryPoint> <gco:CharacterString>NASA Global Change Master Directory, Goddard Space Flight Center</gco:CharacterString> </gmd:deliveryPoint> <gmd:city> <gco:CharacterString>Greenbelt</gco:CharacterString> </gmd:city> <gmd:administrativeArea> <gco:CharacterString>MD</gco:CharacterString> </gmd:administrativeArea> <gmd:postalCode> <gco:CharacterString>20771</gco:CharacterString> </gmd:postalCode> <gmd:country> <gco:CharacterString>USA</gco:CharacterString> </gmd:country> <gmd:electronicMailAddress> <gco:CharacterString>gcmduso@gcmd.gsfc.nasa.gov</gco:CharacterString> </gmd:electronicMailAddress> </gmd:CI_Address> </gmd:address> <gmd:onlineResource> <gmd:CI_OnlineResource> <gmd:linkage> <gmd:URL>http://gcmd.nasa.gov/Resources/valids/</gmd:URL> </gmd:linkage> <gmd:protocol> <gco:CharacterString>http</gco:CharacterString> </gmd:protocol> <gmd:applicationProfile> <gco:CharacterString>web browser</gco:CharacterString> </gmd:applicationProfile> <gmd:name> <gco:CharacterString>NASA Global Change Master Directory (GCMD) Keyword Page</gco:CharacterString> </gmd:name> <gmd:description> <gco:CharacterString>This page describes the NASA GCMD Keywords, how to reference those keywords and provides download instructions.</gco:CharacterString> </gmd:description> <gmd:function> <gmd:CI_OnLineFunctionCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="download">download</gmd:CI_OnLineFunctionCode> </gmd:function> </gmd:CI_OnlineResource> </gmd:onlineResource> <gmd:contactInstructions> <gco:CharacterString>http://gcmd.nasa.gov/MailComments/MailComments.jsf?rcpt=gcmduso</gco:CharacterString> </gmd:contactInstructions> </gmd:CI_Contact> </gmd:contactInfo> <gmd:role> <gmd:CI_RoleCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="custodian">custodian</gmd:CI_RoleCode> </gmd:role> </gmd:CI_ResponsibleParty> </gmd:citedResponsibleParty> </gmd:CI_Citation> </gmd:thesaurusName> </gmd:MD_Keywords> </gmd:descriptiveKeywords> <gmd:descriptiveKeywords> <gmd:MD_Keywords> <gmd:keyword> <gco:CharacterString>GEOGRAPHIC REGION &gt; GLOBAL</gco:CharacterString> </gmd:keyword> <gmd:type> <gmd:MD_KeywordTypeCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#MD_KeywordTypeCode" codeListValue="place">place</gmd:MD_KeywordTypeCode> </gmd:type> <gmd:thesaurusName> <gmd:CI_Citation> <gmd:title> <gco:CharacterString>NASA/GCMD Location Keywords</gco:CharacterString> </gmd:title> <gmd:date gco:nilReason="unknown"/> <gmd:citedResponsibleParty xlink:href="#GCMD_USO_ID"/> <gmd:citedResponsibleParty xlink:href="#GCMD_KEYWORDS_ID"/> </gmd:CI_Citation> </gmd:thesaurusName> </gmd:MD_Keywords> </gmd:descriptiveKeywords> <gmd:descriptiveKeywords> <gmd:MD_Keywords> <gmd:keyword> <gco:CharacterString>NASA/NSIDC_DAAC &gt; NASA National Snow and Ice Data Center Distributed Active Archive Center</gco:CharacterString> </gmd:keyword> <gmd:type> <gmd:MD_KeywordTypeCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#MD_KeywordTypeCode" codeListValue="dataCenter">dataCenter</gmd:MD_KeywordTypeCode> </gmd:type> <gmd:thesaurusName> <gmd:CI_Citation> <gmd:title> <gco:CharacterString>NASA/GCMD Data Center Keywords</gco:CharacterString> </gmd:title> <gmd:date gco:nilReason="unknown"/> <gmd:citedResponsibleParty xlink:href="#GCMD_USO_ID"/> <gmd:citedResponsibleParty xlink:href="#GCMD_KEYWORDS_ID"/> </gmd:CI_Citation> </gmd:thesaurusName> </gmd:MD_Keywords> </gmd:descriptiveKeywords> <gmd:descriptiveKeywords> <gmd:MD_Keywords> <gmd:keyword> <gco:CharacterString>Earth Observation Satellites &gt; NASA Decadal Survey &gt; ICESAT-2 &gt; Ice, Cloud, and land Elevation Satellite-2</gco:CharacterString> </gmd:keyword> <gmd:type> <gmd:MD_KeywordTypeCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#MD_KeywordTypeCode" codeListValue="platform">platform</gmd:MD_KeywordTypeCode> </gmd:type> <gmd:thesaurusName> <gmd:CI_Citation> <gmd:title> <gco:CharacterString>NASA/GCMD Platform Keywords</gco:CharacterString> </gmd:title> <gmd:date gco:nilReason="unknown"/> <gmd:citedResponsibleParty xlink:href="#GCMD_USO_ID"/> <gmd:citedResponsibleParty xlink:href="#GCMD_KEYWORDS_ID"/> </gmd:CI_Citation> </gmd:thesaurusName> </gmd:MD_Keywords> </gmd:descriptiveKeywords> <gmd:descriptiveKeywords> <gmd:MD_Keywords> <gmd:keyword> <gco:CharacterString>Earth Remote Sensing Instruments &gt; Active Remote Sensing &gt; Altimeters &gt; Lidar/Laser Altimeters &gt; ATLAS &gt; Advanced Topographic Laser Altimeter System</gco:CharacterString> </gmd:keyword> <gmd:type> <gmd:MD_KeywordTypeCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#MD_KeywordTypeCode" codeListValue="instrument">instrument</gmd:MD_KeywordTypeCode> </gmd:type> <gmd:thesaurusName> <gmd:CI_Citation> <gmd:title> <gco:CharacterString>NASA/GCMD Instrument Keywords</gco:CharacterString> </gmd:title> <gmd:date gco:nilReason="unknown"/> <gmd:citedResponsibleParty xlink:href="#GCMD_USO_ID"/> <gmd:citedResponsibleParty xlink:href="#GCMD_KEYWORDS_ID"/> </gmd:CI_Citation> </gmd:thesaurusName> </gmd:MD_Keywords> </gmd:descriptiveKeywords> <gmd:resourceConstraints> <gmd:MD_Constraints> <gmd:useLimitation> <gco:CharacterString>Cite these data in publications as follows: The data used in this study were produced by the ICESat-2 Science Project Office at NASA/GSFC. The data archive site is the NASA National Snow and Ice Data Center Distributed Active Archive Center.</gco:CharacterString> </gmd:useLimitation> </gmd:MD_Constraints> </gmd:resourceConstraints> <gmd:language> <gco:CharacterString>eng</gco:CharacterString> </gmd:language> <gmd:topicCategory> <gmd:MD_TopicCategoryCode>geoscientificInformation</gmd:MD_TopicCategoryCode> </gmd:topicCategory> <gmd:extent> <gmd:EX_Extent> <gmd:geographicElement> <gmd:EX_GeographicBoundingBox> <!-- ECS extracts WestBoundingCoordinate from here --> <gmd:westBoundLongitude> <gco:Decimal>-180.0</gco:Decimal> </gmd:westBoundLongitude> <!-- ECS extracts EastBoundingCoordinate from here --> <gmd:eastBoundLongitude> <gco:Decimal>180.0</gco:Decimal> </gmd:eastBoundLongitude> <!-- ECS extracts SouthBoundingCoordinate from here --> <gmd:southBoundLatitude> <gco:Decimal>-90.0</gco:Decimal> </gmd:southBoundLatitude> <!-- ECS extracts NorthBoundingCoordinate from here --> <gmd:northBoundLatitude> <gco:Decimal>90.0</gco:Decimal> </gmd:northBoundLatitude> </gmd:EX_GeographicBoundingBox> </gmd:geographicElement> <gmd:temporalElement> <gmd:EX_TemporalExtent> <gmd:extent> <gml:TimePeriod gml:id="TimePeriod_ID_1"> <!-- ECS extracts RangeBeginningDate and RangeBeginningTime from here --> <gml:beginPosition>2005-01-01T00:00:00Z</gml:beginPosition> <!-- ECS extracts RangeEndingDate and RangeEndingTime from here --> <gml:endPosition></gml:endPosition> </gml:TimePeriod> </gmd:extent> </gmd:EX_TemporalExtent> </gmd:temporalElement> </gmd:EX_Extent> </gmd:extent> <gmd:processingLevel> <gmd:MD_Identifier> <gmd:code> <gco:CharacterString>1B</gco:CharacterString> </gmd:code> <gmd:description gco:nilReason="missing"/> </gmd:MD_Identifier> </gmd:processingLevel> </gmd:MD_DataIdentification> </gmd:identificationInfo> <gmd:contentInfo> <gmd:MD_ImageDescription> <gmd:attributeDescription gco:nilReason="missing"/> <gmd:contentType gco:nilReason="missing"/> <gmd:processingLevelCode> <gmd:MD_Identifier> <gmd:code> <gco:CharacterString>1B</gco:CharacterString> </gmd:code> <gmd:description gco:nilReason="missing"/> </gmd:MD_Identifier> </gmd:processingLevelCode> </gmd:MD_ImageDescription> </gmd:contentInfo> <gmd:distributionInfo> <gmd:MD_Distribution> <gmd:distributionFormat> <gmd:MD_Format> <gmd:name> <gco:CharacterString>HDF</gco:CharacterString> </gmd:name> <gmd:version> <gco:CharacterString>5</gco:CharacterString> </gmd:version> </gmd:MD_Format> </gmd:distributionFormat> <gmd:distributor> <gmd:MD_Distributor> <gmd:distributorContact> <gmd:CI_ResponsibleParty> <gmd:organisationName> <gco:CharacterString>NSIDC DAAC &gt; NASA National Snow and Ice Data Center Distributed Active Archive Center</gco:CharacterString> </gmd:organisationName> <gmd:contactInfo xlink:href="#NSIDC_DAAC_CONTACT_ID"/> <gmd:role> <gmd:CI_RoleCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="distributor">distributor</gmd:CI_RoleCode> </gmd:role> </gmd:CI_ResponsibleParty> </gmd:distributorContact> <gmd:distributorTransferOptions> <gmd:MD_DigitalTransferOptions> <gmd:onLine> <gmd:CI_OnlineResource> <gmd:linkage> <gmd:URL>http://nsidc.org/data/icesat2/data.html</gmd:URL> </gmd:linkage> <gmd:protocol> <gco:CharacterString>http</gco:CharacterString> </gmd:protocol> <gmd:description> <gco:CharacterString>Data Product Description Page</gco:CharacterString> </gmd:description> <gmd:function> <gmd:CI_OnLineFunctionCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="information">information</gmd:CI_OnLineFunctionCode> </gmd:function> </gmd:CI_OnlineResource> </gmd:onLine> <gmd:onLine> <gmd:CI_OnlineResource> <gmd:linkage> <gmd:URL>http://nsidc.org/data/icesat2/order.html</gmd:URL> </gmd:linkage> <gmd:protocol> <gco:CharacterString>http</gco:CharacterString> </gmd:protocol> <gmd:description> <gco:CharacterString>Data Product Order Page</gco:CharacterString> </gmd:description> <gmd:function> <gmd:CI_OnLineFunctionCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="order">order</gmd:CI_OnLineFunctionCode> </gmd:function> </gmd:CI_OnlineResource> </gmd:onLine> <gmd:onLine> <gmd:CI_OnlineResource> <gmd:linkage> <gmd:URL>http://dx.doi.org/10.5067/ATLAS/ATL02.006</gmd:URL> </gmd:linkage> <gmd:protocol> <gco:CharacterString>http</gco:CharacterString> </gmd:protocol> <gmd:description> <gco:CharacterString>Digital Object Identifier URL</gco:CharacterString> </gmd:description> <gmd:function> <gmd:CI_OnLineFunctionCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="information">information</gmd:CI_OnLineFunctionCode> </gmd:function> </gmd:CI_OnlineResource> </gmd:onLine> </gmd:MD_DigitalTransferOptions> </gmd:distributorTransferOptions> </gmd:MD_Distributor> </gmd:distributor> </gmd:MD_Distribution> </gmd:distributionInfo> <gmi:acquisitionInformation> <gmi:MI_AcquisitionInformation> <gmi:instrument> <eos:EOS_Instrument id="ATLAS_INSTRUMENT_ID"> <gmi:citation> <gmd:CI_Citation> <gmd:title> <gco:CharacterString>ATLAS &gt; Advanced Topographic Laser Altimeter System</gco:CharacterString> </gmd:title> <gmd:date gco:nilReason="unknown"/> </gmd:CI_Citation> </gmi:citation> <gmi:identifier> <gmd:MD_Identifier> <gmd:code> <gco:CharacterString>ATLAS</gco:CharacterString> </gmd:code> <gmd:description> <gco:CharacterString>Advanced Topographic Laser Altimeter System</gco:CharacterString> </gmd:description> </gmd:MD_Identifier> </gmi:identifier> <gmi:type> <gco:CharacterString>Laser Altimeter</gco:CharacterString> </gmi:type> <gmi:description> <gco:CharacterString>ATLAS on ICESat-2 determines the range between the satellite and the Earth's surface by measuring the two-way time delay of short pulses of laser light that it transmits in six beams. It is different from previous operational ice-sheet altimeters in that it is a photon-counting LIDAR. ATLAS records a set of arrival times for individual photons, which are then analyzed to derive surface, vegetation, and cloud properties. ATLAS has six beams arranged in three pairs, so that it samples each of three reference pair tracks with a pair of beams; ATLAS transmits pulses at 10 kHz, giving approximately one pulse every 0.7 m along track; ATLAS's expected pointing control will be better than 90 m RMS.</gco:CharacterString> </gmi:description> <gmi:mountedOn xlink:href="#ICESAT_2_PLATFORM_ID"/> </eos:EOS_Instrument> </gmi:instrument> <gmi:operation> <!-- MI_Operation is expected to be here by the Base Reference Metadata Model document--> <gmi:MI_Operation> <gmi:description> <gco:CharacterString>ICESat-2 &gt; Ice, Cloud, and land Elevation Satellite-2</gco:CharacterString> </gmi:description> <gmi:citation> <gmd:CI_Citation> <gmd:title> <gco:CharacterString>ICESat-2 &gt; Ice, Cloud, and land Elevation Satellite-2</gco:CharacterString> </gmd:title> <gmd:date gco:nilReason="unknown"/> </gmd:CI_Citation> </gmi:citation> <gmi:identifier> <gmd:MD_Identifier> <gmd:code> <gco:CharacterString>ICESat-2</gco:CharacterString> </gmd:code> <gmd:description> <gco:CharacterString>Ice, Cloud, and land Elevation Satellite-2</gco:CharacterString> </gmd:description> </gmd:MD_Identifier> </gmi:identifier> <gmi:status> <gmd:MD_ProgressCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#MD_ProgressCode" codeListValue="underDevelopment">underDevelopment</gmd:MD_ProgressCode> </gmi:status> <gmi:parentOperation gco:nilReason="inapplicable"/> <gmi:platform xlink:href="#ICESAT_2_PLATFORM_ID"/> </gmi:MI_Operation> </gmi:operation> <gmi:platform> <eos:EOS_Platform id="ICESAT_2_PLATFORM_ID"> <gmi:citation> <gmd:CI_Citation> <gmd:title> <gco:CharacterString>ICESat-2 &gt; Ice, Cloud, and land Elevation Satellite-2</gco:CharacterString> </gmd:title> <gmd:date gco:nilReason="unknown"/> </gmd:CI_Citation> </gmi:citation> <gmi:identifier> <gmd:MD_Identifier> <gmd:code> <gco:CharacterString>ICESat-2</gco:CharacterString> </gmd:code> <gmd:description> <gco:CharacterString>Ice, Cloud, and land Elevation Satellite-2</gco:CharacterString> </gmd:description> </gmd:MD_Identifier> </gmi:identifier> <gmi:description> <gco:CharacterString>Spacecraft</gco:CharacterString> </gmi:description> <gmi:instrument xlink:href="#ATLAS_INSTRUMENT_ID"/> </eos:EOS_Platform> </gmi:platform> </gmi:MI_AcquisitionInformation> </gmi:acquisitionInformation> </gmi:MI_Metadata> </gmd:seriesMetadata> </gmd:DS_Series> (Type is String)
  • AcquisitionInformation(Type is Group)
    no attributes
    • lidar(Type is Group)
      • attributes
        • pulse_rate: 10000 pps (Type is String)
        • wavelength: 532 nm (Type is String)
        • identifier: ATLAS (Type is String)
        • type: Laser Altimeter (Type is String)
        • description: ATLAS on ICESat-2 determines the range between the satellite and the Earth's surface by measuring the two-way time delay of short pulses of laser light that it transmits in six beams. It is different from previous operational ice-sheet altimeters in that it is a photon-counting LIDAR. ATLAS records a set of arrival times for individual photons, which are then analyzed to derive surface, vegetation, and cloud properties. ATLAS has six beams arranged in three pairs, so that it samples each of three reference pair tracks with a pair of beams; ATLAS transmits pulses at 10 kHz, giving approximately one pulse every 0.7 m along track; ATLAS's expected pointing control will be better than 90 m RMS. (Type is String)
    • lidarDocument(Type is Group)
      • attributes
        • edition: Pre-Release (Type is String)
        • publicationDate: 12/31/17 (Type is String)
        • title: A document describing the ATLAS instrument will be provided by the ICESat-2 Project Science Office. (Type is String)
    • platform(Type is Group)
      • attributes
        • identifier: ICESat-2 (Type is String)
        • description: Ice, Cloud, and land Elevation Satellite-2 (Type is String)
        • type: Spacecraft (Type is String)
    • platformDocument(Type is Group)
      • attributes
        • edition: 31-Dec-16 (Type is String)
        • publicationDate: 31-Dec-16 (Type is String)
        • title: The Ice, Cloud, and land Elevation Satellite-2 (ICESat-2): Science requirements, concept, and implementation. Thorsten Markus, Tom Neumann, Anthony Martino, Waleed Abdalati, Kelly Brunt, Beata Csatho, Sinead Farrell, Helen Fricker, Alex Gardner, David Harding, Michael Jasinski, Ron Kwok, Lori Magruder, Dan Lubin, Scott Luthcke, James Morison, Ross Nelson, Amy Neuenschwander, Stephen Palm, Sorin Popescu, CK Shum, Bob E. Schutz, Benjamin Smith, Yuekui Yang, Jay Zwally. http://dx.doi.org/10.1016/j.rse.2016.12.029 (Type is String)
  • DataQuality(Type is Group)
    • attributes
      • scope: NOT_SET (Type is String)
    • CompletenessOmission(Type is Group)
      • attributes
        • evaluationMethodType: directInternal (Type is String)
        • measureDescription: TBD (Type is String)
        • nameOfMeasure: TBD (Type is String)
        • unitofMeasure: TBD (Type is String)
        • value: NOT_SET (Type is String)
    • DomainConsistency(Type is Group)
      • attributes
        • evaluationMethodType: directInternal (Type is String)
        • measureDescription: TBD (Type is String)
        • nameOfMeasure: TBD (Type is String)
        • unitofMeasure: TBD (Type is String)
        • value: NOT_SET (Type is String)
  • ProductSpecificationDocument(Type is Group)
    • attributes
      • ShortName: ATL02_SDP (Type is String)
      • characterSet: utf8 (Type is String)
      • edition: v4.3 (Type is String)
      • language: eng (Type is String)
      • publicationDate: Feb 2020 (Type is String)
      • title: ICESat-2-SIPS-SPEC-4257 - ATLAS Science Algorithm Standard Data Product (SDP) Volume 2 (ATL02) (Type is String)
  • SeriesIdentification(Type is Group)
    • attributes
      • maintenanceAndUpdateFrequency: asNeeded (Type is String)
      • maintenanceDate: SET_BY_META (Type is String)
      • VersionID: 006 (Type is String)
      • language: eng (Type is String)
      • characterSet: utf8 (Type is String)
      • pointOfContact: NSIDC DAAC > NASA National Snow and Ice Data Center Distributed Active Archive Center (Type is String)
      • longName: ATLAS/ICESat-2 L1B Converted Telemetry Data (Type is String)
      • shortName: ATL02 (Type is String)
      • identifier_product_DOI: doi:10.5067/ATLAS/ATL02.006 (Type is String)
      • revisionDate: 2022-08-09 (Type is String)
      • resourceProviderOrganizationName: National Aeronautics and Space Administration (NASA) (Type is String)
      • abstract: ATL02 Science unit converted time ordered telemetry calibrated for instrument effects. All photon events per beam per shot. Includes atmosphere raw profiles, housekeeping data, engineering data, s/c position, and pointing data. (Type is String)
      • purpose: The purpose of ATL02 is to provide science-unit, calibrated data for upstream processing. Data converted from raw counts to science units, calibrated for instrument effects and precisely time-tagged. ATL02 provides the position and pointing data needed to precisely geolocate each photon. ATL02 is of limited use to the science community. (Type is String)
      • credit: The software that generates the ATL02 product was designed and implemented at the NASA Wallops Flight Facility in Wallops Island, Virginia. (Type is String)
      • status: onGoing (Type is String)
      • format: HDF (Type is String)
      • formatVersion: 5 (Type is String)
      • topicCategory: geoscientificInformation (Type is String)
      • mission: ICESat-2 > Ice, Cloud, and land Elevation Satellite-2 (Type is String)
  • DatasetIdentification(Type is Group)
    • attributes
      • spatialRepresentationType: along-track (Type is String)
      • creationDate: 2023-01-03T18:15:50.000000Z (Type is String)
      • uuid: 8add2519-6f47-352b-95c1-dd0a36c20c52 (Type is String)
      • fileName: ATL02_20221231235632_01741814_006_01.h5 (Type is String)
      • VersionID: 006 (Type is String)
      • language: eng (Type is String)
      • characterSet: utf8 (Type is String)
      • shortName: ATL02 (Type is String)
      • originatorOrganizationName: GSFC I-SIPS > ICESat-2 Science Investigator-led Processing System (Type is String)
      • abstract: ATL02 Science unit converted time ordered telemetry calibrated for instrument effects. All photon events per beam per shot. Includes atmosphere raw profiles, housekeeping data, engineering data, s/c position, and pointing data. (Type is String)
      • purpose: The purpose of ATL02 is to provide science-unit, calibrated data for upstream processing. Data converted from raw counts to science units, calibrated for instrument effects and precisely time-tagged. ATL02 provides the position and pointing data needed to precisely geolocate each photon. ATL02 is of limited use to the science community. (Type is String)
      • credit: The software that generates the ATL02 product was designed and implemented at the NASA Wallops Flight Facility in Wallops Island, Virginia. (Type is String)
      • status: onGoing (Type is String)
      • topicCategory: geoscientificInformation (Type is String)
  • Extent(Type is Group)
    • attributes
      • northBoundLatitude: 0.024205599999999997 (Type is Float64)
      • eastBoundLongitude: -147.1225872 (Type is Float64)
      • southBoundLatitude: -26.963315599999998 (Type is Float64)
      • westBoundLongitude: -149.89922479999998 (Type is Float64)
      • rangeBeginningDateTime: 2022-12-31T23:56:31.880938Z (Type is String)
      • rangeEndingDateTime: 2023-01-01T00:03:34.876648Z (Type is String)
  • QADatasetIdentification(Type is Group)
    • attributes
      • abstract: An ASCII product that contains statistical information on data product results. These statistics enable data producers and users to assess the quality of the data in the data product granule (Type is String)
      • creationDate: 2023-01-03T18:18:08.000000Z (Type is String)
      • fileName: ATL02_20221231235632_01741814_006_01.qa (Type is String)
  • Lineage(Type is Group)
    no attributes
    • Control(Type is Group)
      • attributes
        • description: Text-based keyword=value file generated automatically within the ICESat-2 data system that specifies all of the conditions required for each individual run of the software. (Type is String)
        • fileName: CTL_atlas_l1b_011452281.ctl (Type is String)
        • shortName: CNTL (Type is String)
        • version: 1 (Type is String)
    • Calibration(Type is Group)
      • attributes
        • description: TAI to UTC leapsecond file retrieved from ftp://maia.usno.navy.mil/ser7/tai-utc.dat (Type is String)
        • fileName: SET_BY_PGE (Type is String)
        • shortName: SET_BY_PGE (Type is String)
        • uuid: SET_BY_PGE (Type is String)
        • version: SET_BY_PGE (Type is String)
    • ANC26-02(Type is Group)
      • attributes
        • description: HDF5 template file that defines the organization and default content of the product metadata. (Type is String)
        • fileName: atl02_metadata_template.h5 (Type is String)
        • shortName: ANC26-02 (Type is String)
        • uuid: b38f0fd2-13f9-3915-b88b-2db6daa85ddc (Type is String)
        • version: 050 (Type is String)
    • ANC21(Type is Group)
      • attributes
        • description: ATLAS calibrations file derived from CAL products provided by the ATLAS CAL team. (Type is String)
        • fileName: anc21_20221021_001_01.h5 (Type is String)
        • shortName: ANC21 (Type is String)
        • uuid: 9873e078-d6a9-3924-8dfa-aae72545886d (Type is String)
        • version: 20221021 (Type is String)
    • ANC36-02(Type is Group)
      • attributes
        • description: ISO 19139 XML file containing Series-level metadata information. (Type is String)
        • fileName: ANC36-02_20221024174747_006_01.xml (Type is String)
        • shortName: ANC36-02 (Type is String)
        • uuid: 92a724ee-72bc-3477-ac83-5defc9911d26 (Type is String)
        • version: 006 (Type is String)
    • ANC38-02(Type is Group)
      • attributes
        • description: ISO 19139 XML file containing DataSet-level metadata information. (Type is String)
        • fileName: ANC38-02_20221024174748_006_01.xml (Type is String)
        • shortName: ANC38-02 (Type is String)
        • uuid: 0d855903-5102-3caa-92f1-f07842564d29 (Type is String)
        • version: 006 (Type is String)
    • ANC25-02(Type is Group)
      • attributes
        • description: HDF5 template file that defines the organization and default content of the product. (Type is String)
        • fileName: atl02_template.h5 (Type is String)
        • shortName: ANC25-02 (Type is String)
        • uuid: 0c0b8092-d872-38e7-b70a-97564b1a6d67 (Type is String)
        • version: 050 (Type is String)
    • ANC27(Type is Group)
      • attributes
        • description: Frequency/Trend file provided by the ICESat-2 Instrument Support Facility. (Type is String)
        • fileName: ANC27_002_20221227000000.DAT (Type is String)
        • shortName: ANC27 (Type is String)
        • uuid: c457e076-d812-3808-9ae7-62d33183dad6 (Type is String)
        • version: 002 (Type is String)
    • ANC13(Type is Group)
      • attributes
        • description: Instrument state file provided by the ICESat-2 Instrument Support Facility. (Type is String)
        • fileName: ANC13_001_20223050000000_01.DAT (Type is String)
        • shortName: ANC13 (Type is String)
        • uuid: 98faab5b-4eed-30d1-bf21-e25d73424f86 (Type is String)
        • version: 001 (Type is String)
    • ANC19(Type is Group)
      • attributes
        • description: TAI to UTC leapsecond file retrieved from ftp://maia.usno.navy.mil/ser7/tai-utc.dat (Type is String)
        • fileName: tai_utc_2017.dat (Type is String)
        • shortName: ANC19 (Type is String)
        • uuid: 7c66d365-278a-31f7-8fe4-9c80e2f012e5 (Type is String)
        • version: 001 (Type is String)
    • ATL01(Type is Group)
      • attributes
        • description: L1A data product. (Type is String)
        • end_geoseg: SET_BY_PGE (Type is String)
        • start_geoseg: SET_BY_PGE (Type is String)
        • fileName: ATL01_20221231235632_01741814_003_01.h5 (Type is String)
        • shortName: ATL01 (Type is String)
        • uuid: be0bd1d1-38e0-3f11-b1d0-128639f07408 (Type is String)
        • version: 003 (Type is String)
        • start_cycle: 18 (Type is Int32)
        • end_cycle: 18 (Type is Int32)
        • start_orbit: 23954 (Type is Int32)
        • end_orbit: 23954 (Type is Int32)
        • start_rgt: 174 (Type is Int32)
        • end_rgt: 174 (Type is Int32)
        • start_region: 14 (Type is Int32)
        • end_region: 14 (Type is Int32)
  • ProcessStep(Type is Group)
    no attributes
    • Browse(Type is Group)
      • attributes
        • processDescription: Browse processing is performed for each granule SIPS produces. The browse utility reads data from the granule and produces browse images as defined in the respective product ATBD. The utility then embeds each browse image into the product within the /Browse group. (Type is String)
        • identifier: atlas_brw (Type is String)
        • softwareVersion: Version 3.0 (Type is String)
        • softwareDate: Sep 21 2022 (Type is String)
        • softwareTitle: Creates ATLAS HDF5 browse files (Type is String)
        • runTimeParameters: CTL_atlas_l1b_011452281.ctl (Type is String)
        • stepDateTime: 2023-01-03T18:18:48.000000Z (Type is String)
    • Metadata(Type is Group)
      • attributes
        • processDescription: Metadata information is processed by the metadata utility for each granule produced by SIPS. During PGE processing, dynamic metadata are written to the product. Additional static information is provided with the metadata template. The metadata utility reads ISO Dataset and Series metadata files and updates the product with static information from within those files. The utility then merges the static and dynamic metadata to creates output ISO19139 Dataset and Series XML files. Finally the utility reads the ISO19139 Dataset and Series XML files into memory and stores the textual representations as attributes attached to the /METADATA group. (Type is String)
        • identifier: atlas_meta (Type is String)
        • softwareVersion: Version 5.0 (Type is String)
        • softwareDate: Sep 21 2022 (Type is String)
        • softwareTitle: Creates ATLAS XML metadata files (Type is String)
        • runTimeParameters: CTL_atlas_l1b_011452281.ctl (Type is String)
        • stepDateTime: 2023-01-03T18:19:07.000000Z (Type is String)
    • PGE(Type is Group)
      • attributes
        • ATBDDate: 12/20/2019 (Type is String)
        • ATBDTitle: Algorithm Theoretical Basis Document (ATBD) for ATL02 (Level 1B) Data Product Processing (Type is String)
        • ATBDVersion: v.3 (Type is String)
        • documentDate: Feb 2020 (Type is String)
        • documentation: ATLAS Science Algorithm Software Design Description (SDD) - Volume 6 (atlas_l1b) (Type is String)
        • processDescription: The atlas_l1b process reads reformatted telemetry data (ATL01), performs science and engineering unit conversion, applies instrument-based calibrations and writes the information to ATL02. In addition, the software splits photons into strong/weak beams, performs duplicate event removal, and detects Transmitter Echo Path (TEP) photons. (Type is String)
        • identifier: atlas_l1b (Type is String)
        • softwareVersion: Version 5.0 (Type is String)
        • softwareDate: Sep 21 2022 (Type is String)
        • softwareTitle: ATLAS L1B PGE (Type is String)
        • runTimeParameters: CTL_atlas_l1b_011452281.ctl (Type is String)
        • stepDateTime: 2023-01-03T18:15:50.000000Z (Type is String)
    • QA(Type is Group)
      • attributes
        • processDescription: QA processing is performed by an external utility on each granule produced by SIPS. The utility reads the granule, performs both generic and product-specific quality-assessment calculations, and writes a text-based quality assessment report. The name and creation data of this report are identified within the QADatasetIdentification metadata (Type is String)
        • identifier: atl02_qa_util (Type is String)
        • softwareVersion: Version 5.0 (Type is String)
        • softwareDate: Sep 21 2022 (Type is String)
        • softwareTitle: ATL02 QA Utility (Type is String)
        • runTimeParameters: CTL_atlas_l1b_011452281.ctl (Type is String)
        • stepDateTime: 2023-01-03T18:18:08.000000Z (Type is String)

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