Attributes {
    time {
        String long_name "time (sec. since 2000-01-01)";
        String standard_name "time";
        String calendar "gregorian";
        Float64 tai_utc_difference 34.00000000000000;
        String leap_second "0000-00-00 00:00:00";
        String units "seconds since 2000-01-01 00:00:00.0";
        String comment "[tai_utc_difference] is the difference between TAI - UTC (i.e., leap seconds) for the first measurement of the data set. [leap_second] is the UTC time at which a leap second occurs in the data set, if any. After this UTC time, the [tai_utc_difference] is increased by 1 second. time variable is corrected from datation bias. See Jason-1 User handbook.";
    }
    meas_ind {
        String long_name "elementary measurement index";
        String units "count";
        String comment "Set to be compliant with the CF-1.1 convention";
    }
    time_20hz {
        Float64 _FillValue 1.844674407370955e+19;
        String long_name "time 20 Hz (sec. since 2000-01-01)";
        String standard_name "time";
        String calendar "gregorian";
        Float64 tai_utc_difference 34.00000000000000;
        String leap_second "0000-00-00 00:00:00";
        String units "seconds since 2000-01-01 00:00:00.0";
        String comment "[tai_utc_difference] is the difference between TAI - UTC (i.e., leap seconds) for the first measurement of the data set. [leap_second] is the UTC time at which a leap second occurs in the data set, if any. After this UTC time, the [tai_utc_difference] is increased by 1 second. time_20hz variable is corrected from datation bias. See Jason-1 User handbook.";
    }
    lat {
        String long_name "latitude";
        String standard_name "latitude";
        String units "degrees_north";
        String quality_flag "orb_state_flag_rest";
        Float64 scale_factor 1.000000000000000e-06;
        String comment "Positive latitude is North latitude, negative latitude is South latitude. See Jason-1 User Handbook.";
    }
    lon {
        String long_name "longitude";
        String standard_name "longitude";
        String units "degrees_east";
        String quality_flag "orb_state_flag_rest";
        Float64 scale_factor 1.000000000000000e-06;
        String comment "East longitude relative to Greenwich meridian. See Jason-1 User Handbook.";
    }
    lon_20hz {
        Int32 _FillValue 2147483647;
        String long_name "20 Hz longitude";
        String standard_name "longitude";
        String units "degrees_east";
        Float64 scale_factor 1.000000000000000e-06;
        String comment "East longitude relative to Greenwich meridian. See Jason-1 User Handbook";
    }
    lat_20hz {
        Int32 _FillValue 2147483647;
        String long_name "20 Hz latitude";
        String standard_name "latitude";
        String units "degrees_north";
        Float64 scale_factor 1.000000000000000e-06;
        String comment "Positive latitude is North latitude, negative latitude is South latitude. See Jason-1 User Handbook";
    }
    surface_type {
        Int16 _FillValue 127;
        String long_name "surface type";
        Int16 flag_values 0, 1, 2, 3;
        String flag_meanings "ocean lake_enclosed_sea ice land";
        String coordinates "lon lat";
        String comment "Computed using a DTM2000 file: 0 = open oceans or semi-enclosed seas; 1 = enclosed seas or lakes; 2 = continental ice; 3 = land. See Jason-1 User Handbook";
    }
    surface_type_globcover {
        Int16 _FillValue 127;
        String long_name "surface type globcover";
        String flag_values "0b, 1b, 2b, 3b, 4b, 5b, 6b";
        String flag_meanings "open_ocean land continental_water aquatic_vegetation continental_ice_snow floating_ice salted_basin";
        String coordinates "lon lat";
        String comment "Computed from a mask built with MODIS and GlobCover data, 0 = Open ocean; 1 = Land; 2 = Continental waters; 3 = Aquatic vegetation; 4 = Continental ice and snow; 5 = Floating ice; 6 = Salted basin. See Jason-1 User Handbook";
    }
    alt_echo_type {
        Int16 _FillValue 127;
        String long_name "altimeter echo type";
        Int16 flag_values 0, 1;
        String flag_meanings "ocean_like non_ocean_like";
        String coordinates "lon lat";
        String comment "The altimeter echo type is determined by testing the rms of the high rate range measurements against a threshold as well as the number of valid high rate range measurements against a minimum value";
    }
    rad_surf_type {
        Int16 _FillValue 127;
        String long_name "radiometer surface type";
        Int16 flag_values 0, 1, 2;
        String flag_meanings "open_ocean near_coast land";
        String coordinates "lon lat";
        String comment " The radiometer surface type flag is applicable to the radiometer wet troposphere path delays provided by rad_wet_tropo_corr. A value of 0 indicates that open ocean processing is used to compute the path delay, 1 indicates coastal processing is used, and 2 indicates the path delay is invalid due to land";
    }
    rad_distance_to_land {
        Int32 _FillValue 2147483647;
        String long_name "radiometer radial distance to land";
        String units "m";
        String coordinates "lon lat";
        String comment "Shortest distance between nadir sub-satellite point and land";
    }
    qual_alt_1hz_range_ku {
        Int16 _FillValue 127;
        String long_name "quality flag for 1 Hz altimeter data: Ku band range";
        Int16 flag_values 0, 1;
        String flag_meanings "good bad";
        String coordinates "lon lat";
    }
    qual_alt_1hz_range_c {
        Int16 _FillValue 127;
        String long_name "quality flag for 1 Hz altimeter data: C band range";
        Int16 flag_values 0, 1;
        String flag_meanings "good bad";
        String coordinates "lon lat";
    }
    qual_alt_1hz_swh_ku {
        Int16 _FillValue 127;
        String long_name "quality flag for 1 Hz altimeter data: Ku band SWH";
        Int16 flag_values 0, 1;
        String flag_meanings "good bad";
        String coordinates "lon lat";
    }
    qual_alt_1hz_swh_c {
        Int16 _FillValue 127;
        String long_name "quality flag for 1 Hz altimeter data: C band SWH";
        Int16 flag_values 0, 1;
        String flag_meanings "good bad";
        String coordinates "lon lat";
    }
    qual_alt_1hz_sig0_ku {
        Int16 _FillValue 127;
        String long_name "quality flag for 1 Hz altimeter data: Ku band backscatter coefficient";
        Int16 flag_values 0, 1;
        String flag_meanings "good bad";
        String coordinates "lon lat";
    }
    qual_alt_1hz_sig0_c {
        Int16 _FillValue 127;
        String long_name "quality flag for 1 Hz altimeter data: C band backscatter coefficient";
        Int16 flag_values 0, 1;
        String flag_meanings "good bad";
        String coordinates "lon lat";
    }
    qual_alt_1hz_off_nadir_angle_wf_ku {
        Int16 _FillValue 127;
        String long_name "quality flag for 1 Hz altimeter data: off nadir angle from Ku band";
        Int16 flag_values 0, 1;
        String flag_meanings "good bad";
        String coordinates "lon lat";
    }
    qual_inst_corr_1hz_range_ku {
        Int16 _FillValue 127;
        String long_name "quality flag for 1 Hz instrumental correction: Ku band range";
        Int16 flag_values 0, 1;
        String flag_meanings "good bad";
        String coordinates "lon lat";
    }
    qual_inst_corr_1hz_range_c {
        Int16 _FillValue 127;
        String long_name "quality flag for 1 Hz instrumental correction: C band range";
        Int16 flag_values 0, 1;
        String flag_meanings "good bad";
        String coordinates "lon lat";
    }
    qual_inst_corr_1hz_swh_ku {
        Int16 _FillValue 127;
        String long_name "quality flag for 1 Hz instrumental correction: Ku band SWH";
        Int16 flag_values 0, 1;
        String flag_meanings "good bad";
        String coordinates "lon lat";
    }
    qual_inst_corr_1hz_swh_c {
        Int16 _FillValue 127;
        String long_name "quality flag for 1 Hz instrumental correction: C band SWH";
        Int16 flag_values 0, 1;
        String flag_meanings "good bad";
        String coordinates "lon lat";
    }
    qual_inst_corr_1hz_sig0_ku {
        Int16 _FillValue 127;
        String long_name "quality flag for 1 Hz instrumental correction: Ku band backscatter coefficient";
        Int16 flag_values 0, 1;
        String flag_meanings "good bad";
        String coordinates "lon lat";
    }
    qual_inst_corr_1hz_sig0_c {
        Int16 _FillValue 127;
        String long_name "quality flag for 1 Hz instrumental correction: C band backscatter coefficient";
        Int16 flag_values 0, 1;
        String flag_meanings "good bad";
        String coordinates "lon lat";
    }
    qual_rad_1hz_tb187 {
        Int16 _FillValue 127;
        String long_name "quality flag for 1 Hz radiometer data: 18.7 GHz brightness temperature";
        Int16 flag_values 0, 1;
        String flag_meanings "good bad";
        String coordinates "lon lat";
    }
    qual_rad_1hz_tb238 {
        Int16 _FillValue 127;
        String long_name "quality flag for 1 Hz radiometer data: 23.8 GHz brightness temperature";
        Int16 flag_values 0, 1;
        String flag_meanings "good bad";
        String coordinates "lon lat";
    }
    qual_rad_1hz_tb340 {
        Int16 _FillValue 127;
        String long_name "quality flag for 1 Hz radiometer data: 34.0 GHz brightness temperature";
        Int16 flag_values 0, 1;
        String flag_meanings "good bad";
        String coordinates "lon lat";
    }
    rad_averaging_flag {
        Int16 _FillValue 127;
        String long_name "radiometer along-track averaging flag";
        Int16 flag_values 0, 1;
        String flag_meanings "good bad";
        String coordinates "lon lat";
    }
    rad_land_frac_187 {
        Int16 _FillValue 32767;
        String long_name "radiometer 18.7 GHz antenna gain weighted land fraction in main beam";
        String units "%";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
    }
    rad_land_frac_238 {
        Int16 _FillValue 32767;
        String long_name "radiometer 23.8 GHz antenna gain weighted land fraction in main beam";
        String units "%";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
    }
    rad_land_frac_340 {
        Int16 _FillValue 32767;
        String long_name "radiometer 34.0 GHz antenna gain weighted land fraction in main beam";
        String units "%";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
    }
    alt_state_flag_oper {
        Int16 _FillValue 127;
        String long_name "altimeter state flag: altimeter operating";
        Int16 flag_values 0, 1;
        String flag_meanings "SideA SideB";
        String coordinates "lon lat";
        String comment "Side A = nominal; Side B = redondancy";
    }
    alt_state_flag_c_band {
        Int16 _FillValue 127;
        String long_name "altimeter state flag: C bandwidth used";
        Int16 flag_values 0, 1;
        String flag_meanings "320MHz 100MHz";
        String coordinates "lon lat";
    }
    alt_state_flag_band_seq {
        Int16 _FillValue 127;
        String long_name "altimeter state flag: Ku/C band sequencing";
        Int16 flag_values 0, 1;
        String flag_meanings "3Ku_1C_3Ku 2Ku_1C_2Ku";
        String coordinates "lon lat";
    }
    alt_state_flag_ku_band_status {
        Int16 _FillValue 127;
        String long_name "altimeter state flag: Ku band status";
        Int16 flag_values 0, 1;
        String flag_meanings "On Off";
        String coordinates "lon lat";
    }
    alt_state_flag_c_band_status {
        Int16 _FillValue 127;
        String long_name "altimeter state flag: C band status";
        Int16 flag_values 0, 1;
        String flag_meanings "On Off";
        String coordinates "lon lat";
    }
    rad_state_flag_oper {
        Int16 _FillValue 127;
        String long_name "radiometer state flag: radiometer operating";
        Int16 flag_values 0, 1;
        String flag_meanings "Side A Side B";
        String coordinates "lon lat";
        String comment "Side A  nominal; Side B  redundancy";
    }
    orb_state_flag_rest {
        Int16 _FillValue 127;
        String long_name "orbit state flag: restituted orbit";
        Int16 flag_values 0, 1, 2, 3, 4, 5, 6, 7, 8, 9;
        String flag_meanings "op_maneuver op_adjusted op_extrapolated pre_adjusted pre_maneuver pre_interpolated_gap pre_extrapolated_L1 pre_extrapolated_L1S2 pre_extrapolated_S2 DIODE";
        String coordinates "lon lat";
        String comment "0 characterizes a mission operations orbit that is computed during a maneuver period, 1 stands for an adjusted mission operations orbit, 2 stands for an extrapolated mission operations orbit, 3 stands for an adjusted (preliminary/precise) orbit, 4 indicates that the (preliminary/precise) orbit is estimated during a maneuver period, 5 indicates that the (preliminary/precise) orbit is interpolated over a tracking data gap, 6 means that the (preliminary/precise) orbit is extrapolated for a duration less than 1 day, 7 means that the (preliminary/precise) orbit is extrapolated for a duration that ranges from 1 day to 2 days, 8 means that the (preliminary/precise) orbit is extrapolated for a duration larger than 2 days, or that the orbit is extrapolated just after a maneuver, 9 stands for the DORIS DIODE navigator orbit. The nominal value is 3";
    }
    rain_flag {
        Int16 _FillValue 127;
        String long_name "rain flag";
        Int16 flag_values 0, 1;
        String flag_meanings "no_rain rain";
        String coordinates "lon lat";
        String comment "See Jason-1 User Handbook";
    }
    rad_rain_flag {
        Int16 _FillValue 127;
        String long_name "radiometer rain flag";
        Int16 flag_values 0, 1;
        String flag_meanings "no_rain rain";
        String coordinates "lon lat";
        String comment "See Jason-1 User Handbook. The radiometer rain flag indicates where the radiometer wet troposphere path delay (rad_wet_tropo_corr) is invalid due to rain contamination";
    }
    ice_flag {
        Int16 _FillValue 127;
        String long_name "ice flag";
        Int16 flag_values 0, 1;
        String flag_meanings "no_ice ice";
        String coordinates "lon lat";
        String comment "See Jason-1 User Handbook";
    }
    rad_sea_ice_flag {
        Int16 _FillValue 127;
        String long_name "radiometer sea-ice flag";
        Int16 flag_values 0, 1;
        String flag_meanings "no_sea_ice, sea_ice";
        String coordinates "lon lat";
        String comment "See Jason-1 User Handbook. The radiometer sea ice flag indicates where the radiometer wet troposphere path delay (rad_wet_tropo_corr) is invalid due to sea ice contamination";
    }
    interp_flag_tb {
        Int16 _FillValue 127;
        String long_name "radiometer brightness temperatures interpolation flag";
        Int16 flag_values 0, 1, 2, 3;
        String flag_meanings "good interpolation_with_gap extrapolation fail";
        String coordinates "lon lat";
        String comment "Possible values are: 0  interpolation without gap between JMR data, 1 interpolation with gap between JMR data, 2  extrapolation of JMR data, 3  failure of extrapolation and interpolation";
    }
    interp_flag_ocean_tide_sol1 {
        Int16 _FillValue 127;
        String long_name "ocean tide solution 1 interpolation flag";
        String flag_values "0b, 1b";
        String flag_meanings "good bad";
        String coordinates "lon lat";
        String comment "0 = valid interpolation; 1 = failure of interpolation i.e. ocean_tide_sol1 set to default value";
    }
    interp_flag_ocean_tide_sol2 {
        Int16 _FillValue 127;
        String long_name "ocean tide solution 2 interpolation flag";
        String flag_values "0b, 1b";
        String flag_meanings "good bad";
        String coordinates "lon lat";
        String comment "0 = valid interpolation; 1 = failure of interpolation i.e. ocean_tide_sol2 set to default value";
    }
    alt {
        Int32 _FillValue 2147483647;
        String long_name "1 Hz altitude of satellite";
        String standard_name "height_above_reference_ellipsoid";
        String units "m";
        String quality_flag "orb_state_flag_rest";
        Float64 add_offset 1300000.000000000;
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "Altitude of satellite above the reference ellipsoid.";
    }
    alt_20hz {
        Int32 _FillValue 2147483647;
        String long_name "20 Hz altitude of satellite";
        String standard_name "height_above_reference_ellipsoid";
        String units "m";
        Float64 add_offset 1300000.000000000;
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon_20hz lat_20hz";
        String comment "Altitude of satellite above reference ellipsoid";
    }
    orb_alt_rate {
        Int16 _FillValue 32767;
        String long_name "1 Hz orbital altitude rate";
        String units "m/s";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "The reference surface for the orbital altitude rate is the combined mean_sea_surface/geoid surface. It is used to compute the Doppler correction on the altimeter range (doppler_corr_ku, doppler_corr_c)";
    }
    range_ku {
        Int32 _FillValue 2147483647;
        String long_name "1 Hz Ku band corrected altimeter range";
        String standard_name "altimeter_range";
        String units "m";
        String quality_flag "qual_alt_1hz_range_ku";
        Float64 add_offset 1300000.000000000;
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "All instrumental corrections included, i.e. distance antenna-COG (cog_corr), USO drift correction (uso_corr), internal path correction (internal_path_delay_corr_ku), Doppler correction (doppler_corr_ku), modeled instrumental errors correction (modeled_instr_corr_range_ku) and system bias. range updated to account for reference plane and internal path delay ";
    }
    range_20hz_ku {
        Int32 _FillValue 2147483647;
        String long_name "20 Hz Ku band corrected altimeter range";
        String standard_name "altimeter_range";
        String units "m";
        Float64 add_offset 1300000.000000000;
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon_20hz lat_20hz";
        String comment "All instrumental corrections included, i.e. distance antenna-COG (cog_corr), USO drift correction (uso_corr), internal path correction (internal_path_delay_corr_ku), Doppler correction (doppler_corr_ku), modeled instrumental errors correction (modeled_instr_corr_range_ku) and system bias. range_20hz updated to account for reference plane and internal path delay ";
    }
    range_c {
        Int32 _FillValue 2147483647;
        String long_name "1 Hz C band corrected altimeter range";
        String standard_name "altimeter_range";
        String units "m";
        String quality_flag "qual_alt_1hz_range_c";
        Float64 add_offset 1300000.000000000;
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "All instrumental corrections included, i.e. distance antenna-COG (cog_corr), USO drift correction (uso_corr), internal path correction (internal_path_delay_corr_c), Doppler correction (doppler_corr_c), modeled instrumental errors correction (modeled_instr_corr_range_c) and system bias. range_c updated to account for reference plane and internal path delay ";
    }
    range_20hz_c {
        Int32 _FillValue 2147483647;
        String long_name "20 Hz C band corrected altimeter range";
        String standard_name "altimeter_range";
        String units "m";
        Float64 add_offset 1300000.000000000;
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon_20hz lat_20hz";
        String comment "All instrumental corrections included, i.e. distance antenna-COG (cog_corr), USO drift correction (uso_corr), internal path correction (internal_path_delay_corr_c), Doppler correction (doppler_corr_c), modeled instrumental errors correction (modeled_instr_corr_range_c) and system bias. range_20hz_c updated to account for reference plane and internal path delay ";
    }
    range_used_20hz_ku {
        Int16 _FillValue 127;
        String long_name "20 Hz flag for utilization in the computation of 1Hz Ku band range";
        Int16 flag_values 0, 1;
        String flag_meanings "yes no";
        String coordinates "lon_20hz lat_20hz";
        String comment "Map of valid points used to compute the 1-Hz Ku-band altimeter range";
    }
    range_used_20hz_c {
        Int16 _FillValue 127;
        String long_name "20 Hz flag for utilization in the computation of 1Hz C band range";
        Int16 flag_values 0, 1;
        String flag_meanings "yes no";
        String coordinates "lon_20hz lat_20hz";
        String comment "Map of valid points used to compute the 1-Hz C-band altimeter range";
    }
    range_rms_ku {
        Int16 _FillValue 32767;
        String long_name "RMS of the Ku band range";
        String units "m";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "Compression of Ku-band high rate elements is preceded by a detection of outliers. Only valid high-rate values are used to compute this element";
    }
    range_rms_c {
        Int16 _FillValue 32767;
        String long_name "RMS of the C band range";
        String units "m";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "Compression of C-band high rate elements is preceded by a detection of outliers. Only valid high-rate values are used to compute this element";
    }
    range_numval_ku {
        Int16 _FillValue 127;
        String long_name "number of valid points for Ku band range";
        String units "count";
        Int16 valid_min 0;
        Int16 valid_max 20;
        String coordinates "lon lat";
    }
    range_numval_c {
        Int16 _FillValue 127;
        String long_name "number of valid points for C band range";
        String units "count";
        Int16 valid_min 0;
        Int16 valid_max 20;
        String coordinates "lon lat";
    }
    number_of_iterations_ku {
        Int16 _FillValue 127;
        String long_name "20 Hz number of iterations of the ocean retracking in Ku band";
        String units "count";
        String coordinates "lon_20hz lat_20hz";
    }
    number_of_iterations_c {
        Int16 _FillValue 127;
        String long_name "20 Hz number of iterations of the ocean retracking in C band";
        String units "count";
        String coordinates "lon_20hz lat_20hz";
    }
    net_instr_corr_range_ku {
        Int32 _FillValue 2147483647;
        String long_name "net instrumental correction on the Ku band range";
        String units "m";
        String quality_flag "qual_inst_corr_1hz_range_ku";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "Sum of distance antenna-COG (cog_corr), USO drift correction (uso_corr), internal path correction (internal_path_delay_corr_ku), Doppler correction (doppler_corr_ku), modeled instrumental errors correction (modeled_instr_corr_range_ku) and system bias. Updated to account for reference plane and internal path delay ";
    }
    net_instr_corr_range_c {
        Int32 _FillValue 2147483647;
        String long_name "net instrumental correction on the C band range";
        String units "m";
        String quality_flag "qual_inst_corr_1hz_range_c";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "Sum of distance antenna-COG (cog_corr), USO drift correction (uso_corr), internal path correction (internal_path_delay_corr_c), Doppler correction (doppler_corr_c), modeled instrumental errors correction (modeled_instr_corr_range_c) and system bias. Updated to account for reference plane and internal path delay ";
    }
    model_dry_tropo_corr {
        Int16 _FillValue 32767;
        String long_name "model dry tropospheric correction";
        String standard_name "altimeter_range_correction_due_to_dry_troposphere";
        String source "European Center for Medium Range Weather Forecasting";
        String institution "ECMWF";
        String units "m";
        String quality_flag "";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "Computed at the altimeter time-tag from the interpolation of 2 meteorological fields that surround the altimeter time-tag. A dry tropospheric correction must be added (negative value) to the instrument range to correct this range measurement for dry tropospheric range delays of the radar pulse. See Jason-1 User Handbook";
    }
    model_dry_tropo_corr_era {
        Int16 _FillValue 32767;
        String long_name "model dry tropospheric correction from ERA_Interim products";
        String standard_name "altimeter_range_correction_due_to_dry_troposphere";
        String source "European Center for Medium Range Weather Forecasting";
        String institution "ECMWF";
        String units "m";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "Courtesy of ECMWF as provider of met data for the atmospheric corrections. Computed at the altimeter time-tag from the interpolation of 2 ERA meteorological fields that surround the altimeter time-tag. A dry tropospheric correction must be added (negative value) to the instrument range to correct this range measurement for dry tropospheric range delays of the radar pulse. See Jason-1 User Handbook";
    }
    model_wet_tropo_corr {
        Int16 _FillValue 32767;
        String long_name "model wet tropospheric correction";
        String standard_name "altimeter_range_correction_due_to_wet_troposphere";
        String source "European Center for Medium Range Weather Forecasting";
        String institution "ECMWF";
        String units "m";
        String quality_flag "";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "Computed at the altimeter time-tag from the interpolation of 2 meteorological fields that surround the altimeter time-tag. A wet tropospheric correction must be added (negative value) to the instrument range to correct this range measurement for wet tropospheric range delays of the radar pulse. See Jason-1 User Handbook";
    }
    model_wet_tropo_corr_era {
        Int16 _FillValue 32767;
        String long_name "model wet tropospheric correction from ERA_Interim products";
        String standard_name "altimeter_range_correction_due_to_wet_troposphere";
        String source "European Center for Medium Range Weather Forecasting";
        String institution "ECMWF";
        String units "m";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "Courtesy of ECMWF as provider of met data for the atmospheric corrections. Computed at the altimeter time-tag from the interpolation of 2 ERA meteorological fields that surround the altimeter time-tag. A wet tropospheric correction must be added (negative value) to the instrument range to correct this range measurement for wet tropospheric range delays of the radar pulse. See Jason-1 User Handbook";
    }
    rad_wet_tropo_corr {
        Int16 _FillValue 32767;
        String long_name "radiometer wet tropospheric correction";
        String standard_name "altimeter_range_correction_due_to_wet_troposphere";
        String source "JMR";
        String institution "NASA/JPL";
        String units "m";
        String quality_flag "qual_rad_1hz_tb187 and qual_rad_1hz_tb238 and qual_rad_1hz_tb340 and interp_flag_tb";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "A wet tropospheric correction must be added (negative value) to the instrument range to correct this range measurement for wet tropospheric range delays of the radar pulse";
    }
    iono_corr_alt_ku {
        Int16 _FillValue 32767;
        String long_name "altimeter ionospheric correction on Ku band";
        String standard_name "altimeter_range_correction_due_to_ionosphere";
        String source "Poseidon-2";
        String institution "CNES";
        String units "m";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "An ionospheric correction must be added (negative value) to the instrument range to correct this range measurement for ionospheric range delays of the radar pulse. See Jason-1 User Handbook";
    }
    iono_corr_gim_ku {
        Int16 _FillValue 32767;
        String long_name "GIM ionospheric correction on Ku band";
        String standard_name "altimeter_range_correction_due_to_ionosphere";
        String institution "NASA/JPL";
        String units "m";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "An ionospheric correction must be added (negative value) to the instrument range to correct this range measurement for ionospheric range delays of the radar pulse. See Jason-1 User Handbook";
    }
    sea_state_bias_ku {
        Int16 _FillValue 32767;
        String long_name "sea state bias correction in Ku band";
        String standard_name "sea_surface_height_bias_due_to_sea_surface_roughness";
        String source "Empirical solution fitted to Jason-1 GDR-C data. Computed using updated values of sigma0 (atmospheric correction being updated)";
        String institution "CNES";
        String units "m";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "Computed using wind speed from sigma0 using updated atmospheric attenuation values. A sea state bias correction must be added (negative value) to the instrument range to correct this range measurement for sea state delays of the radar pulse. This element should not be used over land. See Jason-1 User Handbook";
    }
    sea_state_bias_c {
        Int16 _FillValue 32767;
        String long_name "sea state bias correction in C band";
        String standard_name "sea_surface_height_bias_due_to_sea_surface_roughness";
        String source "Empirical solution fitted to Jason-1 GDR-C data. Computed using updated values of sigma0 (atmospheric correction being updated)";
        String institution "CNES";
        String units "m";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "Computed using wind speed from sigma0 using updated atmospheric attenuation values. A sea state bias correction must be added (negative value) to the instrument range to correct this range measurement for sea state delays of the radar pulse. This element should not be used over land. See Jason-1 User Handbook";
    }
    swh_ku {
        Int16 _FillValue 32767;
        String long_name "Ku band corrected significant waveheight";
        String standard_name "sea_surface_wave_significant_height";
        String units "m";
        String quality_flag "qual_alt_1hz_swh_ku";
        Float64 scale_factor 0.001000000000000000;
        String coordinates "lon lat";
        String comment "All instrumental corrections included, i.e. modeled instrumental errors correction (modeled_instr_corr_swh_ku) and system bias";
    }
    swh_20hz_ku {
        Int16 _FillValue 32767;
        String long_name "20 Hz Ku band corrected significant waveheight";
        String standard_name "sea_surface_wave_significant_height";
        String units "m";
        Float64 scale_factor 0.001000000000000000;
        String coordinates "lon_20hz lat_20hz";
        String comment "All instrumental corrections included, i.e. modeled instrumental errors correction (modeled_instr_corr_swh_ku) and system bias";
    }
    swh_c {
        Int16 _FillValue 32767;
        String long_name "C band corrected significant waveheight";
        String standard_name "sea_surface_wave_significant_height";
        String units "m";
        String quality_flag "qual_alt_1hz_swh_c";
        Float64 scale_factor 0.001000000000000000;
        String coordinates "lon lat";
        String comment "All instrumental corrections included, i.e. modeled instrumental errors correction (modeled_instr_corr_swh_c) and system bias";
    }
    swh_20hz_c {
        Int16 _FillValue 32767;
        String long_name "20 Hz C band corrected significant waveheight";
        String standard_name "sea_surface_wave_significant_height";
        String units "m";
        Float64 scale_factor 0.001000000000000000;
        String coordinates "lon_20hz lat_20hz";
        String comment "All instrumental corrections included, i.e. modeled instrumental errors correction (modeled_instr_corr_swh_c) and system bias";
    }
    swh_used_20hz_ku {
        Int16 _FillValue 127;
        String long_name "20 Hz flag for utilization in the computation of 1Hz Ku band significant waveheight";
        Int16 flag_values 0, 1;
        String flag_meanings "yes no";
        String coordinates "lon_20hz lat_20hz";
        String comment "Map of valid points used to compute the 1-Hz Ku-band significant waveheight";
    }
    swh_used_20hz_c {
        Int16 _FillValue 127;
        String long_name "20 Hz flag for utilization in the computation of 1Hz C band significant waveheight";
        Int16 flag_values 0, 1;
        String flag_meanings "yes no";
        String coordinates "lon_20hz lat_20hz";
        String comment "Map of valid points used to compute the 1-Hz C-band significant waveheight";
    }
    swh_rms_ku {
        Int16 _FillValue 32767;
        String long_name "RMS of the Ku band significant waveheight";
        String units "m";
        Float64 scale_factor 0.001000000000000000;
        String coordinates "lon lat";
        String comment "Compression of Ku-band high rate elements is preceded by a detection of outliers. Only valid high-rate values are used to compute this element";
    }
    swh_rms_c {
        Int16 _FillValue 32767;
        String long_name "RMS of the C band significant waveheight";
        String units "m";
        Float64 scale_factor 0.001000000000000000;
        String coordinates "lon lat";
        String comment "Compression of C-band high rate elements is preceded by a detection of outliers. Only valid high-rate values are used to compute this element";
    }
    swh_numval_ku {
        Int16 _FillValue 127;
        String long_name "number of valid points used to compute Ku significant waveheight";
        String units "count";
        Int16 valid_min 0;
        Int16 valid_max 20;
        String coordinates "lon lat";
    }
    swh_numval_c {
        Int16 _FillValue 127;
        String long_name "number of valid points used to compute C significant waveheight";
        String units "count";
        Int16 valid_min 0;
        Int16 valid_max 20;
        String coordinates "lon lat";
    }
    net_instr_corr_swh_ku {
        Int16 _FillValue 32767;
        String long_name "net instrumental correction on Ku band significant waveheight";
        String units "m";
        String quality_flag "qual_inst_corr_1hz_swh_ku";
        Float64 scale_factor 0.001000000000000000;
        String coordinates "lon lat";
        String comment "Sum of modeled instrumental errors correction (modeled_instr_corr_swh_ku) and system bias";
    }
    net_instr_corr_swh_c {
        Int16 _FillValue 32767;
        String long_name "net instrumental correction on C band significant waveheight";
        String units "m";
        String quality_flag "qual_inst_corr_1hz_swh_c";
        Float64 scale_factor 0.001000000000000000;
        String coordinates "lon lat";
        String comment "Sum of modeled instrumental errors correction (modeled_instr_corr_swh_c) and system bias";
    }
    sig0_ku {
        Int16 _FillValue 32767;
        String long_name "Ku band corrected backscatter coefficient";
        String standard_name "surface_backwards_scattering_coefficient_of_radar_wave";
        String units "dB";
        String quality_flag "qual_alt_1hz_sig0_ku";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "All instrumental corrections included, excepted the system bias, i.e. AGC instrumental errors correction, internal calibration correction (internal_corr_sig0_ku), modeled instrumental errors correction (modeled_instr_corr_sig0_ku) and atmospheric attenuation (atmos_corr_sig0_ku)";
    }
    sig0_20hz_ku {
        Int16 _FillValue 32767;
        String long_name "20 Hz Ku band corrected backscatter coefficient";
        String standard_name "surface_backwards_scattering_coefficient_of_radar_wave";
        String units "dB";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon_20hz lat_20hz";
        String comment "All instrumental corrections included, excepted the system bias, i.e. AGC instrumental errors correction, internal calibration correction (internal_corr_sig0_ku), modeled instrumental errors correction (modeled_instr_corr_sig0_ku) and atmospheric attenuation (atmos_corr_sig0_ku)";
    }
    sig0_c {
        Int16 _FillValue 32767;
        String long_name "C band corrected backscatter coefficient";
        String standard_name "surface_backwards_scattering_coefficient_of_radar_wave";
        String units "dB";
        String quality_flag "qual_alt_1hz_sig0_c";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "All instrumental corrections included, excepted the system bias, i.e. AGC instrumental errors correction, internal calibration correction (internal_corr_sig0_c), modeled instrumental errors correction (modeled_instr_corr_sig0_c) and atmospheric attenuation (atmos_corr_sig0_c)";
    }
    sig0_20hz_c {
        Int16 _FillValue 32767;
        String long_name "20 Hz C band corrected backscatter coefficient";
        String standard_name "surface_backwards_scattering_coefficient_of_radar_wave";
        String units "dB";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon_20hz lat_20hz";
        String comment "All instrumental corrections included, excepted the system bias, i.e. AGC instrumental errors correction, internal calibration correction (internal_corr_sig0_c), modeled instrumental errors correction (modeled_instr_corr_sig0_c) and atmospheric attenuation (atmos_corr_sig0_c)";
    }
    sig0_used_20hz_ku {
        Int16 _FillValue 127;
        String long_name "20 Hz flag for utilization in the computation of 1Hz Ku band backscatter coefficient";
        Int16 flag_values 0, 1;
        String flag_meanings "yes no";
        String coordinates "lon_20hz lat_20hz";
        String comment "Map of valid points used to compute the 1-Hz Ku-band backscatter coefficient";
    }
    sig0_used_20hz_c {
        Int16 _FillValue 127;
        String long_name "20 Hz flag for utilization in the computation of 1Hz C band backscatter coefficient";
        Int16 flag_values 0, 1;
        String flag_meanings "yes no";
        String coordinates "lon_20hz lat_20hz";
        String comment "Map of valid points used to compute the 1-Hz C-band backscatter coefficient";
    }
    sig0_rms_ku {
        Int16 _FillValue 32767;
        String long_name "RMS of the Ku band backscatter coefficient";
        String units "dB";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "Compression of Ku-band high rate elements is preceded by a detection of outliers. Only valid high-rate values are used to compute this element";
    }
    sig0_rms_c {
        Int16 _FillValue 32767;
        String long_name "RMS of the C band backscatter coefficient";
        String units "dB";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "Compression of C-band high rate elements is preceded by a detection of outliers. Only valid high-rate values are used to compute this element";
    }
    sig0_numval_ku {
        Int16 _FillValue 127;
        String long_name "number of valid points used to compute Ku backscatter coefficient";
        String units "count";
        Int16 valid_min 0;
        Int16 valid_max 20;
        String coordinates "lon lat";
    }
    sig0_numval_c {
        Int16 _FillValue 127;
        String long_name "number of valid points used to compute C backscatter coefficient";
        String units "count";
        Int16 valid_min 0;
        Int16 valid_max 20;
        String coordinates "lon lat";
    }
    agc_ku {
        Int16 _FillValue 32767;
        String long_name "Ku band corrected AGC";
        String units "dB";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "AGC is corrected for instrumental errors due to the imperfections of the on-board attenuators";
    }
    agc_c {
        Int16 _FillValue 32767;
        String long_name "C band corrected AGC";
        String units "dB";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "AGC is corrected for instrumental errors due to the imperfections of the on-board attenuators";
    }
    agc_rms_ku {
        Int16 _FillValue 32767;
        String long_name "RMS of the Ku band AGC";
        String units "dB";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "Compression of Ku-band high rate elements is preceded by a detection of outliers. Only valid high-rate values are used to compute this element";
    }
    agc_rms_c {
        Int16 _FillValue 32767;
        String long_name "RMS of the C band AGC";
        String units "dB";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "Compression of C-band high rate elements is preceded by a detection of outliers. Only valid high-rate values are used to compute this element";
    }
    agc_numval_ku {
        Int16 _FillValue 127;
        String long_name "number of valid points used to compute Ku band AGC";
        String units "count";
        Int16 valid_min 0;
        Int16 valid_max 20;
        String coordinates "lon lat";
    }
    agc_numval_c {
        Int16 _FillValue 127;
        String long_name "number of valid points used to compute C band AGC";
        String units "count";
        Int16 valid_min 0;
        Int16 valid_max 20;
        String coordinates "lon lat";
    }
    net_instr_corr_sig0_ku {
        Int16 _FillValue 32767;
        String long_name "net instrumental correction on Ku backscatter coefficient";
        String units "dB";
        String quality_flag "qual_inst_corr_1hz_sig0_ku";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "Sum of AGC instrumental errors correction, internal calibration correction (internal_corr_sig0_ku) and modeled instrumental errors correction (modeled_instr_corr_sig0_ku) - system bias not included";
    }
    net_instr_corr_sig0_c {
        Int16 _FillValue 32767;
        String long_name "net instrumental correction on C backscatter coefficient";
        String units "dB";
        String quality_flag "qual_inst_corr_1hz_sig0_c";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "Sum of AGC instrumental errors correction, internal calibration correction (internal_corr_sig0_c) and modeled instrumental errors correction (modeled_instr_corr_sig0_c) - system bias not included";
    }
    atmos_corr_sig0_ku {
        Int16 _FillValue 32767;
        String long_name "atmospheric attenuation correction on Ku band backscatter coefficient";
        String units "dB";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
    }
    atmos_corr_sig0_c {
        Int16 _FillValue 32767;
        String long_name "atmospheric attenuation correction on C band backscatter coefficient";
        String units "dB";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
    }
    off_nadir_angle_wf_ku {
        Int16 _FillValue 32767;
        String long_name "square of the off nadir angle computed from Ku waveforms";
        String units "degrees^2";
        String quality_flag "qual_alt_1hz_off_nadir_angle_wf_ku";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
    }
    tb_187 {
        Int16 _FillValue 32767;
        String long_name "18.7 GHz main beam brightness temperature";
        String standard_name "surface_brightness_temperature";
        String units "K";
        String quality_flag "qual_rad_1hz_tb187";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "Brightness temperatures are unsmoothed (along-track averaging has not been performed on the brightness temperatures)";
    }
    tb_238 {
        Int16 _FillValue 32767;
        String long_name "23.8 GHz main beam brightness temperature";
        String standard_name "surface_brightness_temperature";
        String units "K";
        String quality_flag "qual_rad_1hz_tb238";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "Brightness temperatures are unsmoothed (along-track averaging has not been performed on the brightness temperatures)";
    }
    tb_340 {
        Int16 _FillValue 32767;
        String long_name "34.0 GHz main beam brightness temperature";
        String standard_name "surface_brightness_temperature";
        String units "K";
        String quality_flag "qual_rad_1hz_tb340";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "Brightness temperatures are unsmoothed (along-track averaging has not been performed on the brightness temperatures)";
    }
    tb_187_smoothed {
        Int16 _FillValue 32767;
        String long_name "18.7 GHz main beam smoothed brightness temperature";
        String standard_name "surface_brightness_temperature";
        String units "K";
        String quality_flag "qual_rad_1hz_tb187";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "Brightness temperatures are along-track averaged";
    }
    tb_238_smoothed {
        Int16 _FillValue 32767;
        String long_name "23.8 GHz main beam smoothed brightness temperature";
        String standard_name "surface_brightness_temperature";
        String units "K";
        String quality_flag "qual_rad_1hz_tb238";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "Brightness temperatures are along-track averaged";
    }
    tb_340_smoothed {
        Int16 _FillValue 32767;
        String long_name "34.0 GHz main beam smoothed brightness temperature";
        String standard_name "surface_brightness_temperature";
        String units "K";
        String quality_flag "qual_rad_1hz_tb340";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "Brightness temperatures are along-track averaged";
    }
    mean_sea_surface {
        Int32 _FillValue 2147483647;
        String long_name "mean sea surface height above reference ellipsoid";
        String source "MSS_CNES_CLS-2011";
        String institution "CLS/CNES";
        String units "m";
        String quality_flag "mean_sea_surface_err";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "The mean sea surface height is referenced to a 20 years mean. See Jason-1 User Handbook.";
    }
    mean_sea_surface_err {
        Int32 _FillValue 2147483647;
        String long_name "calibrated error of mean sea surface";
        String source "MSS_CNES_CLS-2011";
        String institution "CLS/CNES";
        String units "m";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "See Jason-1 User Handbook";
    }
    mean_topography {
        Int32 _FillValue 2147483647;
        String long_name "mean dynamic topography above geoid";
        String source "MDT_CNES_CLS-2013";
        String institution "CLS/CNES";
        String units "m";
        String quality_flag "mean_topography_err";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "The mean dynamic topography is referenced to a 20 years mean. See Jason-1 User Handbook.";
    }
    mean_topography_err {
        Int32 _FillValue 2147483647;
        String long_name "error on mean dynamic topography";
        String source "MDT_CNES_CLS-2013";
        String institution "CLS/CNES";
        String units "m";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "See Jason-1 User Handbook";
    }
    geoid {
        Int32 _FillValue 2147483647;
        String long_name "geoid height";
        String standard_name "geoid_height_above_reference_ellipsoid";
        String source "EGM2008";
        String institution "National Geospatial-Intelligence Agency (NGA)";
        String units "m";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "Computed from the geoid model with a correction to refer the value to the mean tide system i.e. includes the permanent tide (zero frequency). See Jason-1 User Handbook";
    }
    bathymetry {
        Int32 _FillValue 2147483647;
        String long_name "ocean depth/land elevation";
        String source "DTM2000.1";
        String institution "GSFC";
        String units "m";
        String coordinates "lon lat";
    }
    inv_bar_corr {
        Int16 _FillValue 32767;
        String long_name "inverted barometer height correction";
        String standard_name "sea_surface_height_correction_due_to_air_pressure_at_low_frequency";
        String source "European Center for Medium Range Weather Forecasting";
        String institution "ECMWF";
        String units "m";
        String quality_flag "";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "Computed at the altimeter time-tag from the interpolation of 2 meteorological fields that surround the altimeter time-tag. See Jason-1 User Handbook";
    }
    hf_fluctuations_corr {
        Int16 _FillValue 32767;
        String long_name "high frequency fluctuations of the sea surface topography";
        String standard_name "sea_surface_height_correction_due_to_air_pressure_and_wind_at_high_frequency";
        String institution "LEGOS/CLS/CNES";
        String units "m";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "Provided as a correction to the inverted barometer correction (inv_bar_corr)";
    }
    inv_bar_corr_era {
        Int16 _FillValue 32767;
        String long_name "inverted barometer height correction from ERA_Interim products";
        String standard_name "sea_surface_height_correction_due_to_air_pressure_at_low_frequency";
        String source "European Center for Medium Range Weather Forecasting";
        String institution "ECMWF";
        String units "m";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "Courtesy of ECMWF as provider of met data for the atmospheric corrections. Computed at the altimeter time-tag from the interpolation of 2 meteorological fields that surround the altimeter time-tag. See Jason-1 User Handbook";
    }
    hf_fluctuations_corr_era {
        Int16 _FillValue 32767;
        String long_name "high frequency fluctuations of the sea surface topography derived from ERA_Interim products";
        String standard_name "sea_surface_height_correction_due_to_air_pressure_and_wind_at_high_frequency";
        String institution "LEGOS/CLS/CNES";
        String units "m";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "Provided as a correction to the inverted barometer correction from ERA_Interim products (inv_bar_corr_era)";
    }
    ocean_tide_sol1 {
        Int32 _FillValue 2147483647;
        String long_name "geocentric ocean tide height (solution 1)";
        String standard_name "sea_surface_height_amplitude_due_to_geocentric_ocean_tide";
        String source "GOT4.10";
        String institution "GSFC";
        String units "m";
        String quality_flag "interp_flag_ocean_tide_sol1";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "Solution 1 corresponds to GOT4.10 model. Includes the corresponding loading tide (load_tide_sol1) and equilibrium long-period ocean tide height (ocean_tide_equil). The permanent tide (zero frequency) is not included in this parameter because it is included in the geoid and mean sea surface (geoid, mean_sea_surface). See Jason-1 User Handbook";
    }
    ocean_tide_sol2 {
        Int32 _FillValue 2147483647;
        String long_name "geocentric ocean tide height (solution 2)";
        String standard_name "sea_surface_height_amplitude_due_to_geocentric_ocean_tide";
        String source "FES2014";
        String institution "LEGOS/CNES";
        String units "m";
        String quality_flag "interp_flag_ocean_tide_sol2";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "Solution 2 corresponds to FES2014 model. Includes the corresponding loading tide (load_tide_sol2) and equilibrium long-period ocean tide height (ocean_tide_equil). The permanent tide (zero frequency) is not included in this parameter because it is included in the geoid and mean sea surface (geoid, mean_sea_surface). See Jason-1 User Handbook";
    }
    ocean_tide_equil {
        Int16 _FillValue 32767;
        String long_name "equilibrium long-period ocean tide height";
        String standard_name "sea_surface_height_amplitude_due_to_equilibrium_ocean_tide";
        String source "Cartwright and Edden [1973] Corrected tables of tidal harmonics - J. Geophys. J. R. Astr. Soc., 33, 253-264.";
        String units "m";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "This value has already been added to the two geocentric ocean tide height values recorded in the product (ocean_tide_sol1 and ocean_tide_sol2). The permanent tide (zero frequency) is not included in this parameter because it is included in the geoid and mean sea surface (geoid, mean_sea_surface). See Jason-1 User Handbook";
    }
    ocean_tide_non_equil {
        Int16 _FillValue 32767;
        String long_name "non-equilibrium long-period ocean tide height";
        String standard_name "sea_surface_height_amplitude_due_to_non_equilibrium_ocean_tide";
        String source "FES2014";
        String institution "LEGOS/CNES";
        String units "m";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "This parameter is computed as a correction to the parameter ocean_tide_equil. This value can be added to ocean_tide_equil (or ocean_tide_sol1, ocean_tide_sol2) so that the resulting value models the total non equilibrium ocean tide height. See Jason-1 User Handbook";
    }
    load_tide_sol1 {
        Int16 _FillValue 32767;
        String long_name "load tide height for geocentric ocean tide (solution 1)";
        String source "GOT4.10";
        String institution "GSFC";
        String units "m";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "This value has already been added to the corresponding ocean tide height value recorded in the product (ocean_tide_sol1). See Jason-1 User Handbook";
    }
    load_tide_sol2 {
        Int16 _FillValue 32767;
        String long_name "load tide height for geocentric ocean tide (solution 2)";
        String source "GOT4.8ac, tidal geocenter adjustement included";
        String institution "GSFC";
        String units "m";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "This value has already been added to the corresponding ocean tide height value recorded in the product (ocean_tide_sol2). See Jason-1 User Handbook";
    }
    solid_earth_tide {
        Int16 _FillValue 32767;
        String long_name "solid earth tide height";
        String standard_name "sea_surface_height_amplitude_due_to_earth_tide";
        String source "Cartwright and Edden [1973] Corrected tables of tidal harmonics - J. Geophys. J. R. Astr. Soc., 33, 253-264.";
        String units "m";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "Calculated using Cartwright and Tayler tables and consisting of the second and third degree constituents. The permanent tide (zero frequency) is not included. See Jason-1 User Handbook";
    }
    pole_tide {
        Int16 _FillValue 32767;
        String long_name "geocentric pole tide height";
        String standard_name "sea_surface_height_amplitude_due_to_pole_tide";
        String source "Wahr [1985] Deformation of the Earth induced by polar motion - J. Geophys. Res. (Solid Earth), 90, 9363-9368.";
        String units "m";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon lat";
        String comment "See Jason-1 User Handbook";
    }
    wind_speed_model_u {
        Int16 _FillValue 32767;
        String long_name "U component of the model wind vector";
        String standard_name "wind_speed";
        String source "European Center for Medium Range Weather Forecasting";
        String institution "ECMWF";
        String units "m/s";
        String quality_flag "";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "Computed at the altimeter time-tag from the interpolation of 2 meteorological fields that surround the altimeter time-tag. See Jason-1 User Handbook";
    }
    wind_speed_model_v {
        Int16 _FillValue 32767;
        String long_name "V component of the model wind vector";
        String standard_name "wind_speed";
        String source "European Center for Medium Range Weather Forecasting";
        String institution "ECMWF";
        String units "m/s";
        String quality_flag "";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "Computed at the altimeter time-tag from the interpolation of 2 meteorological fields that surround the altimeter time-tag. See Jason-1 User Handbook";
    }
    wind_speed_model_u_era {
        Int16 _FillValue 32767;
        String long_name "U component of the model wind vector from ERA_Interim products";
        String standard_name "wind_speed";
        String source "European Center for Medium Range Weather Forecasting";
        String institution "ECMWF";
        String units "m/s";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "Courtesy of ECMWF. Computed at the altimeter time-tag from the interpolation of 2 meteorological fields that surround the altimeter time-tag. See Jason-1 User Handbook";
    }
    wind_speed_model_v_era {
        Int16 _FillValue 32767;
        String long_name "V component of the model wind vector from ERA_Interim products";
        String standard_name "wind_speed";
        String source "European Center for Medium Range Weather Forecasting";
        String institution "ECMWF";
        String units "m/s";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "Courtesy of ECMWF. Computed at the altimeter time-tag from the interpolation of 2 meteorological fields that surround the altimeter time-tag. See Jason-1 User Handbook";
    }
    wind_speed_alt {
        Int16 _FillValue 32767;
        String long_name "altimeter wind speed";
        String standard_name "wind_speed";
        String units "m/s";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "Should not be used over land. See Jason-1 User Handbook ";
    }
    wind_speed_rad {
        Int16 _FillValue 32767;
        String long_name "radiometer wind speed";
        String standard_name "wind_speed";
        String source "JMR";
        String institution "NASA/JPL";
        String units "m/s";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "Should not be used over land. See Jason-1 User Handbook";
    }
    rad_water_vapor {
        Int16 _FillValue 32767;
        String long_name "radiometer water vapor content";
        String standard_name "atmosphere_water_vapor_content";
        String source "JMR";
        String institution "NASA/JPL";
        String units "kg/m^2";
        String quality_flag "qual_rad_1hz_tb187 and qual_rad_1hz_tb238 and qual_rad_1hz_tb340 and interp_flag_tb";
        Float64 scale_factor 0.1000000000000000;
        String coordinates "lon lat";
        String comment "Should not be used over land.";
    }
    rad_liquid_water {
        Int16 _FillValue 32767;
        String long_name "radiometer liquid water content";
        String standard_name "atmosphere_cloud_liquid_water_content";
        String source "JMR";
        String institution "NASA/JPL";
        String units "kg/m^2";
        String quality_flag "qual_rad_1hz_tb187 and qual_rad_1hz_tb238 and qual_rad_1hz_tb340 and interp_flag_tb";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon lat";
        String comment "Should not be used over land.";
    }
    ice_range_20hz_ku {
        Int32 _FillValue 2147483647;
        String long_name "20 Hz Ku band altimeter range (ice retracking)";
        String standard_name "altimeter_range";
        String units "m";
        Float64 add_offset 1300000.000000000;
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon_20hz lat_20hz";
        String comment "Distance antenna-COG (cog_corr), USO drift correction (uso_corr) and internal path correction (internal_path_delay_corr_ku) included";
    }
    ice_range_20hz_c {
        Int32 _FillValue 2147483647;
        String long_name "20 Hz C band altimeter range (ice retracking)";
        String standard_name "altimeter_range";
        String units "m";
        Float64 add_offset 1300000.000000000;
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon_20hz lat_20hz";
        String comment "Distance antenna-COG (cog_corr), USO drift correction (uso_corr) and internal path correction (internal_path_delay_corr_c) included";
    }
    ice_sig0_20hz_ku {
        Int16 _FillValue 32767;
        String long_name "20 Hz Ku band backscatter coefficient (ice retracking)";
        String standard_name "surface_backwards_scattering_coefficient_of_radar_wave";
        String units "dB";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon_20hz lat_20hz";
        String comment "AGC instrumental errors correction and internal calibration correction (internal_corr_sig0_ku) included";
    }
    ice_sig0_20hz_c {
        Int16 _FillValue 32767;
        String long_name "20 Hz C band backscatter coefficient (ice retracking)";
        String standard_name "surface_backwards_scattering_coefficient_of_radar_wave";
        String units "dB";
        Float64 scale_factor 0.01000000000000000;
        String coordinates "lon_20hz lat_20hz";
        String comment "AGC instrumental errors correction and internal calibration correction (internal_corr_sig0_c) included";
    }
    ice_qual_flag_20hz_ku {
        Int16 _FillValue 127;
        String long_name "20 Hz Ku band ice retracking quality flag";
        Int16 flag_values 0, 1;
        String flag_meanings "good bad";
        String coordinates "lon_20hz lat_20hz";
        String comment "ice retracking quality flag";
    }
    mqe_20hz_ku {
        Int16 _FillValue 32767;
        String long_name "20 Hz Ku band MQE (ocean retracking)";
        String units "count";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon_20hz lat_20hz";
        String comment "Mean Quadratic Error between the waveforms samples and the corresponding model samples built from the ocean retracking outputs";
    }
    mqe_20hz_c {
        Int16 _FillValue 32767;
        String long_name "20 Hz C band MQE (ocean retracking)";
        String units "count";
        Float64 scale_factor 0.0001000000000000000;
        String coordinates "lon_20hz lat_20hz";
        String comment "Mean Quadratic Error between the waveforms samples and the corresponding model samples built from the ocean retracking outputs";
    }
    peakiness_20hz_ku {
        Int16 _FillValue 32767;
        String long_name "20 Hz peakiness on Ku band waveforms";
        String units "count";
        Float64 scale_factor 0.001000000000000000;
        String coordinates "lon_20hz lat_20hz";
    }
    peakiness_20hz_c {
        Int16 _FillValue 32767;
        String long_name "20 Hz peakiness on C band waveforms";
        String units "count";
        Float64 scale_factor 0.001000000000000000;
        String coordinates "lon_20hz lat_20hz";
    }
    ssha {
        Int16 _FillValue 32767;
        String long_name "sea surface height anomaly";
        String standard_name "sea_surface_height_above_sea_level";
        String source "Poseidon-2";
        String institution "CNES";
        String units "m";
        Float64 scale_factor 0.001000000000000000;
        String coordinates "lon lat";
        String comment "= altitude of satellite (alt) - Ku band corrected altimeter range (range_ku) - altimeter ionospheric correction on Ku band (iono_corr_alt_ku) - model dry tropospheric correction (model_dry_tropo_corr) - radiometer wet tropospheric correction (rad_wet_tropo_corr) - sea state bias correction in Ku band (sea_state_bias_ku) - solid earth tide height (solid_earth_tide) - geocentric ocean tide height solution 1 (ocean_tide_sol1) - geocentric pole tide height (pole_tide) - inverted barometer height correction (inv_bar_corr) - high frequency fluctuations of the sea surface topography (hf_fluctuations_corr for I/GDR off line products only) - mean sea surface (mean_sea_surface). Set to default if the altimeter surface type (surface_type) is set to 1, 2, or 3 (lake_enclosed_sea, ice, or land)";
    }
    NC_GLOBAL {
        String Conventions "CF-1.1";
        String title "GDR - Native dataset";
        String institution "CNES and JPL";
        String source "radar altimeter";
        String history "2016-03-16 02:57:02 : Creation";
        String contact "CNES aviso@altimetry.fr NASA/JPL podaac@podaac.jpl.nasa.gov";
        String references "CNES Reprocessing Tool 2.0 (Updates to time tags, ranges, models and all JMR derived parameters updated with dedicated recalibration of JMR in 2015)";
        String processing_center "SALP and JSDS";
        String reference_document "AVISO and PODAAC User Handbook IGDR and GDR Jason Products, SALP-MU-M5-OP-13184-CN";
        String mission_name "Jason-1";
        String altimeter_sensor_name "POSEIDON-2";
        String radiometer_sensor_name "JMR";
        String doris_sensor_name "2GM";
        String gpsr_sensor_name "TRSR";
        String acq_station_name "CNES/NASA";
        Int32 cycle_number 374;
        Int32 absolute_rev_number 47387;
        Int32 pass_number 156;
        Int32 absolute_pass_number 94898;
        String equator_time "2012-03-02 20:49:06.635000";
        Float64 equator_longitude 241.6700000000000;
        String first_meas_time "2012-03-02 20:21:02.991761";
        String last_meas_time "2012-03-02 21:17:12.648388";
        Float64 ellipsoid_axis 6378136.300000000;
        Float64 ellipsoid_flattening 0.003352813177896900;
    }
}