Variables in this Dataset

/Spacecraft_Data/pitch: Array of 32 bit Reals [ = 0..15925]
HDF5_OBJ_FULLPATH: /Spacecraft_Data/pitch
long_name: SC pitch interpolated to time spacecraft passed over midpoint of grid cell row along the nadir track
units: degrees
coordinates: along_track_time
valid_min: -3.
valid_max: 3.
_FillValue: -9999.
/Spacecraft_Data/sc_nadir_lat: Array of 32 bit Reals [ = 0..15925]
HDF5_OBJ_FULLPATH: /Spacecraft_Data/sc_nadir_lat
long_name: Spacecraft latitude at midpoint of the grid cell row along nadir track
units: degrees_north
coordinates: along_track_time
valid_min: -90.
valid_max: 90.
_FillValue: -9999.
/Spacecraft_Data/along_track_time_utc: Array of Strings [ = 0..15925]
HDF5_OBJ_FULLPATH: /Spacecraft_Data/along_track_time_utc
long_name: UTC time stamp when spacecraft passed over midpoint of the along track grid cell row along the nadir path.
coordinates: along_track_time
/Spacecraft_Data/sc_geodetic_alt_ellipsoid: Array of 32 bit Reals [ = 0..15925]
HDF5_OBJ_FULLPATH: /Spacecraft_Data/sc_geodetic_alt_ellipsoid
long_name: Spacecraft altitude above Earth WGS84 reference ellipsoid along the nadir track.
units: meters
coordinates: along_track_time
valid_min: 700000.
valid_max: 900000.
_FillValue: -9999.
/Spacecraft_Data/z_vel: Array of 32 bit Reals [ = 0..15925]
HDF5_OBJ_FULLPATH: /Spacecraft_Data/z_vel
units: meters/second
coordinates: along_track_time
long_name: SC velocity in z direction of Earth Centered Rotating coordinate system interpolated to time spacecraft passed over midpoint of grid cell row along the nadir track
valid_min: -8000.
valid_max: 8000.
_FillValue: -9999.
/Spacecraft_Data/along_track_time: Array of 64 bit Reals [ = 0..15925]
HDF5_OBJ_FULLPATH: /Spacecraft_Data/along_track_time
long_name: J2000 time when spacecraft passed over midpoint of the along track grid cell row along the nadir path.
units: seconds
/Spacecraft_Data/yaw: Array of 32 bit Reals [ = 0..15925]
HDF5_OBJ_FULLPATH: /Spacecraft_Data/yaw
long_name: SC yaw interpolated to time spacecraft passed over midpoint of grid cell row along the nadir track
units: degrees
coordinates: along_track_time
valid_min: -3.
valid_max: 3.
_FillValue: -9999.
/Spacecraft_Data/x_vel: Array of 32 bit Reals [ = 0..15925]
HDF5_OBJ_FULLPATH: /Spacecraft_Data/x_vel
units: meters/second
coordinates: along_track_time
long_name: SC velocity in x direction of Earth Centered Rotating coordinate system interpolated to time spacecraft passed over midpoint of grid cell row along the nadir track
valid_min: -8000.
valid_max: 8000.
_FillValue: -9999.
/Spacecraft_Data/along_track_qual_flag: Array of 16 bit Unsigned integers [ = 0..15925]
HDF5_OBJ_FULLPATH: /Spacecraft_Data/along_track_qual_flag
coordinates: along_track_time
flag_masks: 1s, 2s, 4s
long_name: Bit flags that record the quality of spacecraft position, velocity and orientation measurements for each cross track row.
flag_meanings: EPHEMERIS_QUAL ATTITUDE_QUAL ANTENNA_POINTING_QUAL
/Spacecraft_Data/antenna_scan_angle: Array of 32 bit Reals [ = 0..15925]
HDF5_OBJ_FULLPATH: /Spacecraft_Data/antenna_scan_angle
units: degrees
coordinates: along_track_time
long_name: The angle in the X-Y plane of the spacecraft coordinate system that indicates the angular position of the antenna assembly interpolated to the time the spacecraft passed over the midpoint of the grid cell row along the nadir track. The angle is measured in the counterclockwise direction from the X axis, which approximates the direction of motion of the spacecraft.
valid_min: 0.
valid_max: 359.9989929
_FillValue: -9999.
/Spacecraft_Data/x_pos: Array of 32 bit Reals [ = 0..15925]
HDF5_OBJ_FULLPATH: /Spacecraft_Data/x_pos
units: meters
coordinates: along_track_time
long_name: SC position in x direction of Earth Centered Rotating coordinate system interpolated to time spacecraft passed over midpoint of grid cell row along the nadir track
valid_min: -9999999.
valid_max: 9999999.
_FillValue: -9999.
/Spacecraft_Data/z_pos: Array of 32 bit Reals [ = 0..15925]
HDF5_OBJ_FULLPATH: /Spacecraft_Data/z_pos
units: meters
coordinates: along_track_time
long_name: SC position in z direction of Earth Centered Rotating coordinate system interpolated to time spacecraft passed over midpoint of grid cell row along the nadir track
valid_min: -9999999.
valid_max: 9999999.
_FillValue: -9999.
/Spacecraft_Data/y_pos: Array of 32 bit Reals [ = 0..15925]
HDF5_OBJ_FULLPATH: /Spacecraft_Data/y_pos
units: meters
coordinates: along_track_time
long_name: SC position in y direction of Earth Centered Rotating coordinate system interpolated to time spacecraft passed over midpoint of grid cell row along the nadir track
valid_min: -9999999.
valid_max: 9999999.
_FillValue: -9999.
/Spacecraft_Data/right_ascension: Array of 32 bit Reals [ = 0..15925]
HDF5_OBJ_FULLPATH: /Spacecraft_Data/right_ascension
units: degrees
coordinates: along_track_time
long_name: Right ascension of the spacecraft boresight vector at the time the spacecraft passed over the midpoint of the grid cell row along the nadir track.
valid_min: 0.
valid_max: 359.9989929
_FillValue: -9999.
/Spacecraft_Data/sc_alongtrack_velocity: Array of 32 bit Reals [ = 0..15925]
HDF5_OBJ_FULLPATH: /Spacecraft_Data/sc_alongtrack_velocity
long_name: Spacecraft velocity in the direction of the spacecraft orbital track.
coordinates: along_track_time
valid_min: -8000.
valid_max: 8000.
_FillValue: -9999.
units: meters/second
/Spacecraft_Data/sc_radial_velocity: Array of 32 bit Reals [ = 0..15925]
HDF5_OBJ_FULLPATH: /Spacecraft_Data/sc_radial_velocity
units: meters/second
coordinates: along_track_time
long_name: Spacecraft velocity in the direction of the radius of the orbital track. Velocity that records change in altitude.
valid_min: -8000.
valid_max: 8000.
_FillValue: -9999.
/Spacecraft_Data/roll: Array of 32 bit Reals [ = 0..15925]
HDF5_OBJ_FULLPATH: /Spacecraft_Data/roll
long_name: SC roll interpolated to time spacecraft passed over midpoint of grid cell row along the nadir track
units: degrees
coordinates: along_track_time
valid_min: -3.
valid_max: 3.
_FillValue: -9999.
/Spacecraft_Data/declination: Array of 32 bit Reals [ = 0..15925]
HDF5_OBJ_FULLPATH: /Spacecraft_Data/declination
units: degrees
coordinates: along_track_time
long_name: Declination of the spacecraft boresight vector at the time the spacecraft passed over the midpoint of the grid cell row along the nadir track.
valid_min: -90.
valid_max: 90.
_FillValue: -9999.
/Spacecraft_Data/antenna_look_angle: Array of 32 bit Reals [ = 0..15925]
HDF5_OBJ_FULLPATH: /Spacecraft_Data/antenna_look_angle
units: degrees
coordinates: along_track_time
long_name: The angle defined by the antenna boresight vector and the spacecraft nadir vector interpolated to the time the spacecraft passed over the midpoint of the grid cell row along the nadir track.
valid_min: 0.
valid_max: 180.
_FillValue: -9999.
/Spacecraft_Data/y_vel: Array of 32 bit Reals [ = 0..15925]
HDF5_OBJ_FULLPATH: /Spacecraft_Data/y_vel
units: meters/second
coordinates: along_track_time
long_name: SC velocity in y direction of Earth Centered Rotating coordinate system interpolated to time spacecraft passed over midpoint of grid cell row along the nadir track
valid_min: -8000.
valid_max: 8000.
_FillValue: -9999.
/Spacecraft_Data/along_track_mode_flag: Array of 16 bit Unsigned integers [ = 0..15925]
HDF5_OBJ_FULLPATH: /Spacecraft_Data/along_track_mode_flag
long_name: Bit flags that indicate the operational model or behavior of the spacecraft for each cross track row.
coordinates: along_track_time
flag_masks: 1s, 2s, 4s, 8s
flag_meanings: INSTRUMENT_VIEWING_MODE EPHEMERIS_USAGE XPOL_DATA XPOL_TRANSITION
/Spacecraft_Data/sc_nadir_angle: Array of 32 bit Reals [ = 0..15925]
HDF5_OBJ_FULLPATH: /Spacecraft_Data/sc_nadir_angle
units: degrees
coordinates: along_track_time
long_name: The angle defined by the spacecraft geodetic nadir vector and the negative Z axis of the spacecraft coordinate system at the time the spacecraft passed over the midpoint of the grid cell row along the nadir track.
valid_min: 0.
valid_max: 180.
_FillValue: -9999.
/Spacecraft_Data/sc_nadir_lon: Array of 32 bit Reals [ = 0..15925]
HDF5_OBJ_FULLPATH: /Spacecraft_Data/sc_nadir_lon
long_name: Spacecraft longitude at midpoint of grid cell row along nadir track
units: degrees_east
coordinates: along_track_time
valid_min: -180.
valid_max: 179.9989929
_FillValue: -9999.
/Crosstrack_Data/distance_from_nadir: Array of 32 bit Reals [ = 0..1086]
HDF5_OBJ_FULLPATH: /Crosstrack_Data/distance_from_nadir
units: meters
valid_min: -550000.
long_name: The distance from the center of the swath grid cell to the spacecraft's sub-nadir track on the Earth's surface.
valid_max: 550000.
_FillValue: -9999.
/Crosstrack_Data/sigma0_resolution: Array of 32 bit Reals [ = 0..1086]
HDF5_OBJ_FULLPATH: /Crosstrack_Data/sigma0_resolution
long_name: Specifies the resolution of sigma0s based on their cross track swath location.
valid_min: 0.
valid_max: 10000.
_FillValue: -9999.
units: meters
/Sigma0_Data/polarization_rotation_angle_aft: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/polarization_rotation_angle_aft
long_name: Polarization roll angle at doppler centroid for a grid cell aft look measurement
units: degrees
coordinates: cell_lat cell_lon
valid_min: -90.
valid_max: 90.
_FillValue: -9999.
/Sigma0_Data/cylindrical_grid_row_index: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cylindrical_grid_row_index
coordinates: cell_lat cell_lon
long_name: Row index of the location of the center of the swath cell in the 1 km cylindrical equal area Earth based grid based with a reference latitude of 30 degrees.
valid_min: 0.
valid_max: 14616.
_FillValue: -9999.
/Sigma0_Data/cell_altitude_std_dev: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_altitude_std_dev
long_name: Standard deviation of sea level altitude measure for each grid cell
units: meters
coordinates: cell_lat cell_lon
valid_min: 0.
valid_max: 100.
_FillValue: -9999.
/Sigma0_Data/cell_sigma0_qual_flag_vv: Array of 16 bit Unsigned integers [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_sigma0_qual_flag_vv
long_name: Representative quality flags of vertical polarization sigma0 measures in the grid cell
coordinates: cell_lat cell_lon
flag_masks: 1s, 2s, 4s, 8s, 16s, 32s, 64s, 128s, 256s, 512s, 1024s, 2048s, 4096s, 8192s, 16384s, 32768s
flag_meanings: FORWARD_S0_GOOD_QUAL AFT_S0_GOOD_QUAL FORWARD_S0_IN_RANGE AFT_S0_IN_RANGE FORWARD_RFI_DETECTED FORWARD_RFI_CORRECTED AFT_RFI_DETECTED AFT_RFI_CORRECTED FORWARD_FARADAY_ROTATION AFT_FARADAY_ROTATION FORWARD_KP AFT_KP FORWARD_NULL AFT_NULL FORWARD_NADIR_ANGLE AFT_NADIR_ANGLE
/Sigma0_Data/cell_sigma0_xpol_aft: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_sigma0_xpol_aft
long_name: Representative sigma0 measure for aft looks - cross polarization
coordinates: cell_lat cell_lon
valid_min: -0.009999999776
valid_max: 10.
_FillValue: -9999.
/Sigma0_Data/cell_sigma0_vv_aft_noise: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_sigma0_vv_aft_noise
long_name: Representative sigma0 measure before algorithm applies noise subtraction for aft looks - vertical polarization
coordinates: cell_lat cell_lon
valid_min: -0.009999999776
valid_max: 10.
_FillValue: -9999.
/Sigma0_Data/cell_area_fore: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_area_fore
long_name: Sum of the topographic areas used to normalize all of the forward looking sigma0s in the grid cell.
units: meters**2
coordinates: cell_lat cell_lon
valid_min: 100.
valid_max: 10000000.
_FillValue: -9999.
/Sigma0_Data/faraday_rotation_corr_xpol_fore: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/faraday_rotation_corr_xpol_fore
long_name: Faraday rotation correction applied to forward looking cross-polarized sigma0
coordinates: cell_lat cell_lon
valid_min: 0.
valid_max: 10.
_FillValue: -9999.
/Sigma0_Data/cell_sigma0_hh_fore: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_sigma0_hh_fore
long_name: Representative sigma0 measure for forward looks - horizontal polarization
coordinates: cell_lat cell_lon
valid_min: -0.009999999776
valid_max: 10.
_FillValue: -9999.
/Sigma0_Data/cell_kp_hh_fore: Array of 32 bit Reals [ = 0..15925][ = 0..1086][ = 0..0]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_kp_hh_fore
long_name: Representative components of the forward looking sigma0 error measure that account for calibration error, communication error and contamination - horizontal polarization
coordinates: cell_lat cell_lon
valid_min: 0.
valid_max: 10.
_FillValue: -9999.
/Sigma0_Data/cell_kp_xpol_fore: Array of 32 bit Reals [ = 0..15925][ = 0..1086][ = 0..0]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_kp_xpol_fore
coordinates: cell_lat cell_lon
long_name: Representative components of the forward looking sigma0 error measure that account for calibration error, communication error and contamination - cross polarization
valid_min: 0.
valid_max: 10.
_FillValue: -9999.
/Sigma0_Data/cell_sigma0_hh_aft: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_sigma0_hh_aft
long_name: Representative sigma0 measure for aft looks - horizontal polarization
valid_min: -0.009999999776
coordinates: cell_lat cell_lon
valid_max: 10.
_FillValue: -9999.
/Sigma0_Data/xpol_correlation_aft: Array of 32 bit Reals [ = 0..15925][ = 0..1086][ = 0..1]
HDF5_OBJ_FULLPATH: /Sigma0_Data/xpol_correlation_aft
long_name: The co-pol to cross-pol correlation for aft looking sigma0s based on common transmitter and both receivers.
coordinates: cell_lat cell_lon
valid_min: -10.
valid_max: 10.
_FillValue: -9999.
/Sigma0_Data/cell_kp_hh_aft: Array of 32 bit Reals [ = 0..15925][ = 0..1086][ = 0..0]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_kp_hh_aft
long_name: Representative components of the aft looking sigma0 error measure that account for calibration error, communication error and contamination - horizontal polarization
coordinates: cell_lat cell_lon
valid_min: 0.
valid_max: 1.
_FillValue: -9999.
/Sigma0_Data/polar_grid_column_index: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/polar_grid_column_index
coordinates: cell_lat cell_lon
long_name: Column index of the location of the center of the swath cell in the 1 km Lambert azimuthal equal area Earth based grid centered on the nearer pole.
valid_min: 0.
valid_max: 18000.
_FillValue: -9999.
/Sigma0_Data/faraday_rotation_corr_hh_aft: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/faraday_rotation_corr_hh_aft
long_name: Faraday rotation correction applied to aft looking horizontal polarization sigma0
coordinates: cell_lat cell_lon
valid_min: 0.
valid_max: 10.
_FillValue: -9999.
/Sigma0_Data/selected_frequency_aft: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/selected_frequency_aft
units: MHz
coordinates: cell_lat cell_lon
long_name: The mid-point frequency of the noise-only channel of the radar instrument when the aft looking data in the specified grid cell were acquired.
valid_min: 1218.75
valid_max: 1296.25
_FillValue: -9999.
/Sigma0_Data/cell_sigma0_xpol_fore: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_sigma0_xpol_fore
long_name: Representative sigma0 measure for forward looks - cross polarization
coordinates: cell_lat cell_lon
valid_min: -0.009999999776
valid_max: 10.
_FillValue: -9999.
/Sigma0_Data/xpol_correlation_fore: Array of 32 bit Reals [ = 0..15925][ = 0..1086][ = 0..1]
HDF5_OBJ_FULLPATH: /Sigma0_Data/xpol_correlation_fore
coordinates: cell_lat cell_lon
long_name: The co-pol to cross-pol correlation for forward looking sigma0s based on common transmitter and both receivers.
valid_min: -10.
valid_max: 10.
_FillValue: -9999.
/Sigma0_Data/cell_sigma0_qual_flag_xpol: Array of 16 bit Unsigned integers [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_sigma0_qual_flag_xpol
long_name: Representative quality flags of cross polarization sigma0 measures in the grid cell
coordinates: cell_lat cell_lon
flag_masks: 1s, 2s, 4s, 8s, 16s, 32s, 64s, 128s, 256s, 512s, 1024s, 2048s, 4096s, 8192s, 16384s, 32768s
flag_meanings: FORWARD_S0_GOOD_QUAL AFT_S0_GOOD_QUAL FORWARD_S0_IN_RANGE AFT_S0_IN_RANGE FORWARD_RFI_DETECTED FORWARD_RFI_CORRECTED AFT_RFI_DETECTED AFT_RFI_CORRECTED FORWARD_FARADAY_ROTATION AFT_FARADAY_ROTATION FORWARD_KP AFT_KP FORWARD_NULL AFT_NULL FORWARD_NADIR_ANGLE AFT_NADIR_ANGLE
/Sigma0_Data/earth_incidence_std_dev_fore: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/earth_incidence_std_dev_fore
long_name: Standard deviation of the angle defined by the antenna boresight vector and the normal to the reference Earth surface for all forward looks in the cell.
units: degrees
coordinates: cell_lat cell_lon
valid_min: 0.
valid_max: 90.
_FillValue: -9999.
/Sigma0_Data/earth_azimuth_std_dev_fore: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/earth_azimuth_std_dev_fore
long_name: The standard deviation of the angle defined by the vector that extends from the intersection of the spacecraft geodetic nadir vector on the Earth's surface to geographic North and the vector that extends from the intersection of the spacecraft geodetic nadir on the Earth's surface to the pierce point of the boresight vector for all forward looks in the grid cell.
units: degrees
coordinates: cell_lat cell_lon
valid_min: 0.
valid_max: 359.9989929
_FillValue: -9999.
/Sigma0_Data/faraday_rotation_corr_vv_fore: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/faraday_rotation_corr_vv_fore
long_name: Faraday rotation correction applied to forward looking vertical polarization sigma0
coordinates: cell_lat cell_lon
valid_min: 0.
valid_max: 10.
_FillValue: -9999.
/Sigma0_Data/selected_frequency_fore: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/selected_frequency_fore
units: MHz
coordinates: cell_lat cell_lon
long_name: The mid-point frequency of the noise-only channel of the radar instrument when the forward looking data in the specified grid cell were acquired.
valid_min: 1218.75
valid_max: 1296.25
_FillValue: -9999.
/Sigma0_Data/slant_range_aft: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/slant_range_aft
long_name: Representative slant range of aft looking sigma0 measures in grid cell
units: meters
coordinates: cell_lat cell_lon
valid_min: 700000.
valid_max: 1100000.
_FillValue: -9999.
/Sigma0_Data/earth_azimuth_mean_fore: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/earth_azimuth_mean_fore
units: degrees
coordinates: cell_lat cell_lon
long_name: The mean of the angle defined by the vector that extends from the intersection of the spacecraft geodetic nadir vector on the Earth's surface to geographic North and the vector that extends from the intersection of the spacecraft geodetic nadir on the Earth's surface to the pierce point of the boresight vector for all forward looks in the grid cell.
valid_min: 0.
valid_max: 359.9989929
_FillValue: -9999.
/Sigma0_Data/earth_incidence_std_dev_aft: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/earth_incidence_std_dev_aft
long_name: Standard deviation of the angle defined by the antenna boresight vector and the normal to the reference Earth surface for all aft looks in the cell.
units: degrees
coordinates: cell_lat cell_lon
valid_min: 0.
valid_max: 90.
_FillValue: -9999.
/Sigma0_Data/cell_lat: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_lat
long_name: Representative geodetic latitude of grid cell
units: degrees_north
valid_min: -90.
valid_max: 90.
/Sigma0_Data/slant_range_fore: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/slant_range_fore
long_name: Representative slant range of forward looking sigma0 measures in grid cell
units: meters
coordinates: cell_lat cell_lon
valid_min: 700000.
valid_max: 1100000.
_FillValue: -9999.
/Sigma0_Data/faraday_rotation_corr_vv_aft: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/faraday_rotation_corr_vv_aft
long_name: Faraday rotation correction applied to aft looking vertical polarization sigma0
coordinates: cell_lat cell_lon
valid_min: 0.
valid_max: 10.
_FillValue: -9999.
/Sigma0_Data/cell_gradient: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_gradient
long_name: Representative land slope of the grid cell
units: degrees
coordinates: cell_lat cell_lon
valid_min: 0.
valid_max: 90.
_FillValue: -9999.
/Sigma0_Data/cell_altitude: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_altitude
long_name: Representative altitude above sea level of the grid cell
units: meters
coordinates: cell_lat cell_lon
valid_min: -100.
valid_max: 9000.
_FillValue: -9999.
/Sigma0_Data/cell_kp_vv_fore: Array of 32 bit Reals [ = 0..15925][ = 0..1086][ = 0..0]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_kp_vv_fore
long_name: Representative components of the forward looking sigma0 error measure that account for calibration error, communication error and contamination - vertical polarization
coordinates: cell_lat cell_lon
valid_min: 0.
valid_max: 10.
_FillValue: -9999.
/Sigma0_Data/earth_azimuth_mean_aft: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/earth_azimuth_mean_aft
long_name: The mean of angle defined by the vector that extends from the intersection of the spacecraft geodetic nadir vector on the Earth's surface to geographic North and the vector that extends from the intersection of the spacecraft geodetic nadir on the Earth's surface to the pierce point of the boresight vector for all aft looks in the grid cell.
units: degrees
coordinates: cell_lat cell_lon
valid_min: 0.
valid_max: 359.9989929
_FillValue: -9999.
/Sigma0_Data/faraday_rotation_corr_hh_fore: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/faraday_rotation_corr_hh_fore
long_name: Faraday rotation correction applied to forward looking horizontal polarization sigma0
coordinates: cell_lat cell_lon
valid_min: 0.
valid_max: 10.
_FillValue: -9999.
/Sigma0_Data/cell_sigma0_xpol_aft_noise: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_sigma0_xpol_aft_noise
long_name: Representative sigma0 measure before algorithm applies noise subtraction for aft looks - cross polarization
coordinates: cell_lat cell_lon
valid_min: -0.009999999776
valid_max: 10.
_FillValue: -9999.
/Sigma0_Data/earth_azimuth_std_dev_aft: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/earth_azimuth_std_dev_aft
units: degrees
coordinates: cell_lat cell_lon
long_name: The standard deviation of angle defined by the vector that extends from the intersection of the spacecraft geodetic nadir vector on the Earth's surface to geographic North and the vector that extends from the intersection of the spacecraft geodetic nadir on the Earth's surface to the pierce point of the boresight vector for all aft looks in the grid cell.
valid_min: 0.
valid_max: 359.9989929
_FillValue: -9999.
/Sigma0_Data/cell_sigma0_hh_aft_noise: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_sigma0_hh_aft_noise
long_name: Representative sigma0 measure before algorithm applies noise subtraction for aft looks - horizontal polarization
coordinates: cell_lat cell_lon
valid_min: -0.009999999776
valid_max: 10.
_FillValue: -9999.
/Sigma0_Data/faraday_rotation_angle_fore: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/faraday_rotation_angle_fore
long_name: Faraday rotation angle for all forward looking sigma0s in the grid cell.
units: degrees
coordinates: cell_lat cell_lon
valid_min: -90.
valid_max: 90.
_FillValue: -9999.
/Sigma0_Data/polar_grid_row_index: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/polar_grid_row_index
long_name: Row index of the location of the center of the swath cell in the 1 km Lambert azimuthal equal area Earth based grid centered on the nearer pole.
coordinates: cell_lat cell_lon
valid_min: 0.
valid_max: 18000.
_FillValue: -9999.
/Sigma0_Data/cell_kp_vv_aft: Array of 32 bit Reals [ = 0..15925][ = 0..1086][ = 0..0]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_kp_vv_aft
long_name: Representative components of the aft looking sigma0 error measure that account for calibration error, communication error and contamination - vertical polarization
coordinates: cell_lat cell_lon
valid_min: 0.
valid_max: 1.
_FillValue: -9999.
/Sigma0_Data/cell_radar_mode_flag: Array of 16 bit Unsigned integers [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_radar_mode_flag
long_name: Representative conditions of sigma0 measure for the grid cell
coordinates: cell_lat cell_lon
flag_masks: 1s, 2s, 4s, 8s
flag_meanings: RECEIVE_ONLY_MODE_L1C FORWARD_XPOL_DATA AFT_XPOL_DATA NADIR_REGION
/Sigma0_Data/cylindrical_grid_column_index: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cylindrical_grid_column_index
long_name: Column index of the location of the center of the swath cell in the 1 km cylindrical equal area Earth based grid based with a reference latitude of 30 degrees.
coordinates: cell_lat cell_lon
valid_min: 0.
valid_max: 34704.
_FillValue: -9999.
/Sigma0_Data/earth_incidence_mean_aft: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/earth_incidence_mean_aft
long_name: Mean of the angle defined by the antenna boresight vector and the normal to the reference Earth surface for all aft looks in the grid cell.
units: degrees
coordinates: cell_lat cell_lon
valid_min: 0.
valid_max: 90.
_FillValue: -9999.
/Sigma0_Data/number_of_cell_looks_aft: Array of 16 bit Unsigned integers [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/number_of_cell_looks_aft
coordinates: cell_lat cell_lon
valid_min: 0
long_name: Sum of statistically independent energy measurements that contribute to cell for aft looking sigma0s.
valid_max: 130
_FillValue: 65534
/Sigma0_Data/cell_sigma0_xpol_fore_noise: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_sigma0_xpol_fore_noise
long_name: Representative sigma0 measure before the algorithm applies noise subtraction for forward looks - cross polarization
coordinates: cell_lat cell_lon
valid_min: -0.009999999776
valid_max: 10.
_FillValue: -9999.
/Sigma0_Data/cell_sigma0_qual_flag_hh: Array of 16 bit Unsigned integers [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_sigma0_qual_flag_hh
long_name: Representative quality flags of horizontal polarization sigma0 measures in the grid cell
coordinates: cell_lat cell_lon
flag_masks: 1s, 2s, 4s, 8s, 16s, 32s, 64s, 128s, 256s, 512s, 1024s, 2048s, 4096s, 8192s, 16384s, 32768s
flag_meanings: FORWARD_S0_GOOD_QUAL AFT_S0_GOOD_QUAL FORWARD_S0_IN_RANGE AFT_S0_IN_RANGE FORWARD_RFI_DETECTED FORWARD_RFI_CORRECTED AFT_RFI_DETECTED AFT_RFI_CORRECTED FORWARD_FARADAY_ROTATION AFT_FARADAY_ROTATION FORWARD_KP AFT_KP FORWARD_NULL AFT_NULL FORWARD_NADIR_ANGLE AFT_NADIR_ANGLE
/Sigma0_Data/cell_sigma0_vv_aft: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_sigma0_vv_aft
long_name: Representative sigma0 measure for aft looks - vertical polarization
coordinates: cell_lat cell_lon
valid_min: -0.009999999776
valid_max: 10.
_FillValue: -9999.
/Sigma0_Data/cell_area_aft: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_area_aft
long_name: Sum of the topographic areas used to normalize all of the aft looking sigma0s in the grid cell.
units: meters**2
coordinates: cell_lat cell_lon
valid_min: 100.
valid_max: 10000000.
_FillValue: -9999.
/Sigma0_Data/cell_sigma0_vv_fore_noise: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_sigma0_vv_fore_noise
long_name: Representative sigma0 measure before the algorithm applies noise subtraction for forward looks - vertical polarization
coordinates: cell_lat cell_lon
valid_min: -0.009999999776
valid_max: 10.
_FillValue: -9999.
/Sigma0_Data/cell_sigma0_hh_fore_noise: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_sigma0_hh_fore_noise
long_name: Representative sigma0 measure before the algorithm applies noise subtraction for forward looks - horizontal polarization
coordinates: cell_lat cell_lon
valid_min: -0.009999999776
valid_max: 10.
_FillValue: -9999.
/Sigma0_Data/cell_kp_xpol_aft: Array of 32 bit Reals [ = 0..15925][ = 0..1086][ = 0..0]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_kp_xpol_aft
coordinates: cell_lat cell_lon
long_name: Representative components of the aft looking sigma0 error measure that account for calibration error, communication error and contamination - cross polarization
valid_min: 0.
valid_max: 1.
_FillValue: -9999.
/Sigma0_Data/cell_lon: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_lon
long_name: Representative longitude of grid cell
units: degrees_east
valid_min: -180.
valid_max: 179.9989929
/Sigma0_Data/faraday_rotation_corr_xpol_aft: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/faraday_rotation_corr_xpol_aft
long_name: Faraday rotation correction applied to aft looking cross-polarized sigma0
coordinates: cell_lat cell_lon
valid_min: 0.
valid_max: 10.
_FillValue: -9999.
/Sigma0_Data/number_of_cell_looks_fore: Array of 16 bit Unsigned integers [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/number_of_cell_looks_fore
coordinates: cell_lat cell_lon
valid_min: 0
long_name: Sum of statistically independent energy measurements that contribute to cell for forward looking sigma0s.
valid_max: 130
_FillValue: 65534
/Sigma0_Data/polarization_rotation_angle_fore: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/polarization_rotation_angle_fore
long_name: Polarization roll angle at doppler centroid for a grid cell forward look measurement
units: degrees
coordinates: cell_lat cell_lon
valid_min: -90.
valid_max: 90.
_FillValue: -9999.
/Sigma0_Data/faraday_rotation_angle_aft: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/faraday_rotation_angle_aft
long_name: Faraday rotation angle for all aft looking sigma0s in the grid cell.
units: degrees
coordinates: cell_lat cell_lon
valid_min: -90.
valid_max: 90.
_FillValue: -9999.
/Sigma0_Data/cell_sigma0_vv_fore: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/cell_sigma0_vv_fore
long_name: Representative sigma0 measure for forward looks - vertical polarization
coordinates: cell_lat cell_lon
valid_min: -0.009999999776
valid_max: 10.
_FillValue: -9999.
/Sigma0_Data/earth_incidence_mean_fore: Array of 32 bit Reals [ = 0..15925][ = 0..1086]
HDF5_OBJ_FULLPATH: /Sigma0_Data/earth_incidence_mean_fore
units: degrees
coordinates: cell_lat cell_lon
long_name: Mean of the angle defined by the antenna boresight vector and the normal to the reference Earth surface for all forward looks in the grid cell.
valid_min: 0.
valid_max: 90.
_FillValue: -9999.