HDF5 file, superblock version 0
group /
	attribute Conventions = "CF-1.7"
	attribute absolute_pass_number = 79853
	attribute absolute_rev_number = 31191
	attribute acq_station_name = "CNES"
	attribute altimeter_sensor_name = "Poseidon-3B"
	attribute contact = "CNES aviso@altimetry.fr, EUMETSAT ops@eumetsat.int, NOAA NODC.services@noaa.gov"
	attribute cycle_number = 315
	attribute doris_sensor_name = "DGXX-S"
	attribute ellipsoid_axis = 6378137.0
	attribute ellipsoid_flattening = 0.00335281066474748
	attribute equator_longitude = 177.88
	attribute equator_time = "2022-09-18 18:38:47.136000"
	attribute first_meas_time = "2022-09-18 18:10:40.380749"
	attribute gpsr_sensor_name = "GPSP"
	attribute history = "2022-10-24 08:23:39 : Creation"
	attribute institution = "CNES"
	attribute last_meas_time = "2022-09-18 19:06:52.974109"
	attribute mission_name = "Jason-3"
	attribute pass_number = 97
	attribute processing_center = "SALP"
	attribute radiometer_sensor_name = "AMR"
	attribute reference_document = "Jason-3 Products Handbook, SALP-MU-M-OP-16118-CN"
	attribute references = "L1 library=V5.7p1, L2 library=V6.8p1, Processing Pilot=6.1.1"
	attribute source = "Processing Baseline F v1.02"
	attribute title = "GDR - Expertise dataset"
	attribute xref_altimeter_characterisation = "PJ3_CH1_AXVCNE20200113_130000_20160627_000000_20301231_235959"
	attribute xref_altimeter_ltm = "PJ3_FI1_AXXCNE20221023_110036_20200917_061246_20221022_232940, PJ3_IQ1_AXXCNE20221023_110040_20200917_020234_20221022_180114"
	attribute xref_doris_uso = "JA3_OS1_AXXCNE20221023_082600_20160119_113455_20221023_032050"
	attribute xref_gim_data = "JA3_ION_AXPCNE20220919_063944_20220918_000000_20220918_235959"
	attribute xref_meteorological_files = "SMM_APA_AXVCNE20220919_032258_20220918_180000_20220918_180000, SMM_APA_AXVCNE20220919_051131_20220919_000000_20220919_000000, SMM_PMA_AXVCNE20220919_032258_20220918_180000_20220918_180000, SMM_PMA_AXVCNE20220919_051131_20220919_000000_20220919_000000, SMM_PRA_AXVCNE20220919_032258_20220918_180000_20220918_180000, SMM_PRA_AXVCNE20220919_051131_20220919_000000_20220919_000000, SMM_UWA_AXVCNE20220919_032258_20220918_180000_20220918_180000, SMM_UWA_AXVCNE20220919_051131_20220919_000000_20220919_000000, SMM_VWA_AXVCNE20220919_032258_20220918_180000_20220918_180000, SMM_VWA_AXVCNE20220919_051131_20220919_000000_20220919_000000, SMM_WEA_AXVCNE20220919_032258_20220918_180000_20220918_180000, SMM_WEA_AXVCNE20220919_051131_20220919_000000_20220919_000000, SMM_ALT_AXVCNE20110430_180000_20110504_100000_20301231_235959, SMM_ALT_AXVCNE20110430_180000_20110504_100000_20301231_235959, SMM_PSA_AXVCNE20220919_100013_20220918_180000_20220918_180000, SMM_PSA_AXVCNE20220920_100018_20220919_000000_20220919_000000, SMM_ORA_AXVCNE20220919_110010_20220918_180000_20220918_180000, SMM_ORA_AXVCNE20220920_110010_20220919_000000_20220919_000000, SMM_T3A_AXVCNE20220919_120355_20220918_180000_20220918_180000, SMM_T3A_AXVCNE20220920_120413_20220919_000000_20220919_000000, SMM_Q3A_AXVCNE20220919_140417_20220918_180000_20220918_180000, SMM_Q3A_AXVCNE20220921_064139_20220919_000000_20220919_000000, SMM_L3A_AXVCNE20220919_130107_20220918_180000_20220918_180000, SMM_L3A_AXVCNE20220920_130118_20220919_000000_20220919_000000"
	attribute xref_mog2d_data = "SMM_MOG_AXVCNE20221009_070000_20220918_180000_20220918_180000, SMM_MOG_AXVCNE20221009_070000_20220919_000000_20220919_000000"
	attribute xref_orbit_data = "JA3_VOR_AXVCNE20221017_153100_20220917_215523_20220919_002323"
	attribute xref_orf_data = "JA3_ORF_AXXCNE20221023_082900_20220422_001113_20221203_232947"
	attribute xref_pf_data = "JA3_VPF_AXVCNE20221017_153200_20220917_215523_20220919_002323"
	attribute xref_polar_ice_data = "SMM_ICN_AXPCNE20221004_100346_20220918_000000_20220918_235959.nc, SMM_ICS_AXPCNE20221004_100346_20220918_000000_20220918_235959.nc"
	attribute xref_pole_location = "SMM_POL_AXXCNE20221024_071500_19870101_000000_20231020_000000"
	attribute xref_radiometer_calibration = "AJ3_AL1_AXVJPL20200210_000000_20070809_053513_20990809_053513"
	attribute xref_radiometer_temp = "AJ3_ANT_AXXJPL20221019_000001_20140925_114600_20301231_235959"
	attribute xref_sst_data = "SMM_SST_AXVCNE20221003_170318_20220918_000000_20220918_235959.nc"
	attribute xref_utc_tai_data = "SMM_TUC_AXVCNE20161214_152427_19900101_000000_20380118_000000"
	attribute xref_wave_model_data = "SMM_WMA_AXPCNE20220919_072017_20220918_030000_20220919_000000.grb"
group /data_01
dataset /data_01/alt_state_band_seq_flag: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named alt_state_flag_band_seq in GDR-D standard"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "3Ku_1C_3Ku 2Ku_1C_2Ku"
	attribute flag_values = 0, 1
	attribute long_name = "altimeter state flag: Ku/C band sequencing"
dataset /data_01/alt_state_oper_flag: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named alt_state_flag_oper in GDR-D standard. Side A = nominal; Side B = redondancy"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "SideA SideB"
	attribute flag_values = 0, 1
	attribute long_name = "altimeter state flag: altimeter operating"
dataset /data_01/altitude: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute add_offset = 1300000.0
	attribute comment = "Named alt in GDR-D standard. Altitude of satellite above the reference ellipsoid. Associated quality flag is orb_state_diode_flag for the OGDR products, orb_state_rest_flag for the IGDR and GDR products"
	attribute coordinates = "longitude latitude"
	attribute long_name = "1 Hz altitude of satellite"
	attribute quality_flag = "orb_state_rest_flag or orb_state_diode_flag"
	attribute scale_factor = 0.0001
	attribute standard_name = "height_above_reference_ellipsoid"
	attribute units = "m"
dataset /data_01/altitude_rate: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named orb_alt_rate in GDR-D standard. The reference surface for the orbital altitude rate is the combined mean_sea_surface_cnescls/geoid surface. It is used to compute the Doppler correction on the altimeter range (/data_01/ku/range_cor_doppler, /data_01/c/range_cor_doppler)"
	attribute coordinates = "longitude latitude"
	attribute long_name = "1 Hz orbital altitude rate"
	attribute scale_factor = 0.01
	attribute units = "m/s"
dataset /data_01/angle_of_approach_to_coast: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Angle of approach to the closest coast. 0 is parallel to the coast with the land on the right. Positive values indicate the satellite is approaching the land. Negative values indicate the satellite is leaving the land. Values close to +/-180 degrees have the land on the left"
	attribute coordinates = "longitude latitude"
	attribute long_name = "angle of approach to the coast"
	attribute scale_factor = 0.01
	attribute units = "degrees"
group /data_01/c
dataset /data_01/c/agc: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named agc_c in GDR-D standard. AGC is corrected for instrumental errors due to the imperfections of the on-board attenuators"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "C band corrected AGC"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_01/c/agc_numval: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named agc_numval_c in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "number of valid points used to compute C band AGC"
	attribute units = "count"
	attribute valid_max = 20
	attribute valid_min = 0
dataset /data_01/c/agc_rms: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named agc_rms_c in GDR-D standard. 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"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "RMS of the C band AGC"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_01/c/alt_state_band_status_flag: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named alt_state_flag_c_band_status in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "On Off"
	attribute flag_values = 0, 1
	attribute long_name = "altimeter state flag: C band status"
dataset /data_01/c/alt_state_c_band_flag: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named alt_state_flag_c_band in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "320MHz 100MHz"
	attribute flag_values = 0, 1
	attribute long_name = "altimeter state flag: C bandwidth used"
dataset /data_01/c/range_cor_doppler: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named doppler_corr_c in GDR-D standard"
	attribute long_name = "C band Doppler correction on altimeter range"
	attribute scale_factor = 0.0001
	attribute units = "m"
dataset /data_01/c/range_cor_internal_path: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute comment = "Named internal_path_delay_corr_c in GDR-D standard. Internal calibration correction on the C band altimeter range"
	attribute long_name = "C band internal path delay correction on altimeter range"
	attribute scale_factor = 0.0001
	attribute units = "m"
dataset /data_01/c/range_cor_ocean_model_instr: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named modeled_instr_corr_range_c in GDR-D standard"
	attribute long_name = "C band modeled instrumental correction on altimeter range"
	attribute scale_factor = 0.0001
	attribute units = "m"
dataset /data_01/c/range_cor_ocean_net_instr: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute comment = "Named net_instr_corr_range_c in GDR-D standard. Sum of distance antenna-COG (/data_01/range_cor_cog), USO drift correction (/data_01/range_cor_uso), internal path correction (range_cor_internal_path), Doppler correction (range_cor_doppler), modeled instrumental errors correction (range_cor_ocean_model_instr) and system bias"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "net instrumental correction on the C band range"
	attribute quality_flag = "range_cor_ocean_net_instr_qual"
	attribute scale_factor = 0.0001
	attribute units = "m"
dataset /data_01/c/range_cor_ocean_net_instr_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named qual_inst_corr_1hz_range_c in GDR-D standard. Threshold control of range_cor_ocean_net_instr"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "quality flag for 1 Hz instrumental correction: C band range"
dataset /data_01/c/range_ocean: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute add_offset = 1300000.0
	attribute comment = "Named range_c in GDR-D standard. All instrumental corrections included, i.e. distance antenna-COG (/data_01/range_cor_cog), USO drift correction (/data_01/range_cor_uso), internal path correction (range_cor_internal_path), Doppler correction (range_cor_doppler), modeled instrumental errors correction (range_cor_ocean_model_instr) and system bias"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "1 Hz C band corrected altimeter range"
	attribute quality_flag = "range_ocean_compression_qual"
	attribute scale_factor = 0.0001
	attribute standard_name = "altimeter_range"
	attribute units = "m"
dataset /data_01/c/range_ocean_compression_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named qual_alt_1hz_range_c in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "quality flag for 1 Hz altimeter data: C band range"
dataset /data_01/c/range_ocean_numval: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named range_numval_c in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "number of valid points for C band range"
	attribute units = "count"
	attribute valid_max = 20
	attribute valid_min = 0
dataset /data_01/c/range_ocean_rms: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named range_rms_c in GDR-D standard. 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"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "RMS of the C band range"
	attribute scale_factor = 0.0001
	attribute units = "m"
dataset /data_01/c/sea_state_bias: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named sea_state_bias_c in GDR-D standard. 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-3 User Handbook"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute institution = "CLS/CNES"
	attribute long_name = "sea state bias correction in C band"
	attribute scale_factor = 0.0001
	attribute source = "Tran2020 empirical solution fitted on one year of Jason-3 GDR_F data from MLE4 retracking"
	attribute standard_name = "sea_surface_height_bias_due_to_sea_surface_roughness"
	attribute units = "m"
dataset /data_01/c/sea_state_bias_adaptive: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "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-3 User Handbook"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute institution = "CLS/CNES"
	attribute long_name = "sea state bias correction in C band (adaptive retracking)"
	attribute scale_factor = 0.0001
	attribute source = "Tran2020 empirical solution fitted on one year of Jason-3 GDR_F data from adaptive retracking"
	attribute standard_name = "sea_surface_height_bias_due_to_sea_surface_roughness"
	attribute units = "m"
dataset /data_01/c/sea_state_bias_mle3: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named sea_state_bias_c_mle3 in GDR-D standard. 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-3 User Handbook"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute institution = "CLS/CNES"
	attribute long_name = "sea state bias correction in C band (MLE3 retracking)"
	attribute scale_factor = 0.0001
	attribute source = "Empirical solution fitted on Jason-2 GDR_C data"
	attribute standard_name = "sea_surface_height_bias_due_to_sea_surface_roughness"
	attribute units = "m"
dataset /data_01/c/sig0_cor_atm: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named atmos_corr_sig0_c in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "atmospheric attenuation correction on C band backscatter coefficient"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_01/c/sig0_cor_calibration: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named internal_corr_sig0_c in GDR-D standard"
	attribute long_name = "C band internal calibration correction on backscatter coefficient"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_01/c/sig0_cor_ocean_model_instr: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named modeled_instr_corr_sig0_c in GDR-D standard"
	attribute long_name = "C band modeled instrumental on backscatter coefficient"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_01/c/sig0_cor_ocean_net_instr: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named net_instr_corr_sig0_c in GDR-D standard. Sum of AGC instrumental errors correction, internal calibration correction (sig0_cor_calibration) and modeled instrumental errors correction (sig0_cor_ocean_model_instr) - system bias not included"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "net instrumental correction on C band backscatter coefficient"
	attribute quality_flag = "sig0_cor_ocean_net_instr_qual"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_01/c/sig0_cor_ocean_net_instr_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named qual_inst_corr_1hz_sig0_c in GDR-D standard. Threshold control of sig0_cor_ocean_net_instr"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "quality flag for 1 Hz instrumental correction: C band backscatter coefficient"
dataset /data_01/c/sig0_ocean: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named sig0_c in GDR-D standard. All instrumental corrections included, excepted the system bias, i.e. AGC instrumental errors correction, internal calibration correction (sig0_cor_calibration), modeled instrumental errors correction (sig0_cor_ocean_model_instr) and atmospheric attenuation (sig0_cor_atm)"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "C band corrected backscatter coefficient"
	attribute quality_flag = "sig0_ocean_compression_qual"
	attribute scale_factor = 0.01
	attribute standard_name = "surface_backwards_scattering_coefficient_of_radar_wave"
	attribute units = "dB"
dataset /data_01/c/sig0_ocean_compression_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named qual_alt_1hz_sig0_c in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "quality flag for 1 Hz altimeter data: C band backscatter coefficient"
dataset /data_01/c/sig0_ocean_numval: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named sig0_numval_c in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "number of valid points used to compute C band backscatter coefficient"
	attribute units = "count"
	attribute valid_max = 20
	attribute valid_min = 0
dataset /data_01/c/sig0_ocean_rms: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named sig0_rms_c in GDR-D standard. 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"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "RMS of the C band backscatter coefficient"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_01/c/swh_cor_ocean_model_instr: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named modeled_instr_corr_swh_c in GDR-D standard"
	attribute long_name = "C band modeled instrumental correction on significant waveheight"
	attribute scale_factor = 0.001
	attribute units = "m"
dataset /data_01/c/swh_cor_ocean_net_instr: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named net_instr_corr_swh_c in GDR-D standard. Sum of modeled instrumental errors correction (swh_cor_ocean_model_instr) and system bias"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "net instrumental correction on C band significant waveheight"
	attribute quality_flag = "swh_cor_ocean_net_instr_qual"
	attribute scale_factor = 0.001
	attribute units = "m"
dataset /data_01/c/swh_cor_ocean_net_instr_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named qual_inst_corr_1hz_swh_c in GDR-D standard. Threshold control of swh_cor_ocean_net_instr"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "quality flag for 1 Hz instrumental correction: C band SWH"
dataset /data_01/c/swh_ocean: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named swh_c in GDR-D standard. All instrumental corrections included, i.e. modeled instrumental errors correction (swh_cor_ocean_model_instr) and system bias"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "C band corrected significant waveheight"
	attribute quality_flag = "swh_ocean_compression_qual"
	attribute scale_factor = 0.001
	attribute standard_name = "sea_surface_wave_significant_height"
	attribute units = "m"
dataset /data_01/c/swh_ocean_compression_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named qual_alt_1hz_swh_c in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "quality flag for 1 Hz altimeter data: C band SWH"
dataset /data_01/c/swh_ocean_numval: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named swh_numval_c in GDR-D standard. 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"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "number of valid points used to compute C band significant waveheight"
	attribute units = "count"
	attribute valid_max = 20
	attribute valid_min = 0
dataset /data_01/c/swh_ocean_rms: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named swh_rms_c in GDR-D standard. 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"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "RMS of the C band significant waveheight"
	attribute scale_factor = 0.001
	attribute units = "m"
dataset /data_01/dac: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Sum of the high frequency fluctuations correction (named hf_fluctuations_corr in GDR-D standard) and of the low frequency inverted barometer correction (inv_bar_cor). See Jason-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute institution = "LEGOS/CLS/CNES"
	attribute long_name = "dynamic atmospheric correction"
	attribute scale_factor = 0.0001
	attribute units = "m"
dataset /data_01/depth_or_elevation: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute comment = "Named bathymetry in GDR-D standard"
	attribute coordinates = "longitude latitude"
	attribute institution = "EAPRS Laboratory"
	attribute long_name = "ocean depth/land elevation"
	attribute source = "ACE2"
	attribute units = "m"
dataset /data_01/distance_to_coast: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute coordinates = "longitude latitude"
	attribute long_name = "distance to the coast"
	attribute units = "m"
dataset /data_01/geoid: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute 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-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute institution = "GSFC"
	attribute long_name = "geoid height"
	attribute scale_factor = 0.0001
	attribute source = "EGM2008"
	attribute standard_name = "geoid_height_above_reference_ellipsoid"
	attribute units = "m"
dataset /data_01/ice_flag: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "See Jason-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "no_ice ice"
	attribute flag_values = 0, 1
	attribute long_name = "ice flag"
dataset /data_01/index_first_20hz_measurement: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute comment = "Record counter of the first 20 Hz elementary measurement used to derive the 1 Hz measurement. The total number of 20 Hz measurements associated to 1 Hz time is given by numtotal_20hz_measurement"
	attribute coordinates = "longitude latitude"
	attribute long_name = "record counter of the first associated 20 Hz measurement"
dataset /data_01/internal_tide: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "See Jason-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute long_name = "internal tide height"
	attribute quality_flag = "internal_tide_interp_qual"
	attribute scale_factor = 0.0001
	attribute source = "E. D. Zaron. Baroclinic tidal sea level from exact-repeat mission altimetry. Journal of Physical Oceanography, 49(1):193-210, 2019."
	attribute units = "m"
dataset /data_01/internal_tide_interp_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named interp_flag_internal_tide in GDR-D standard. 0 = 4 points over ocean; 1 = less than 4 points"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "internal tide interpolation flag"
dataset /data_01/inv_bar_cor: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named inv_bar_corr in GDR-D standard. Computed at the altimeter time-tag from the interpolation of 2 meteorological fields that surround the altimeter time-tag. See Jason-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute institution = "ECMWF"
	attribute long_name = "inverted barometer height correction"
	attribute quality_flag = "meteo_zero_altitude_interp_qual"
	attribute scale_factor = 0.0001
	attribute source = "European Center for Medium Range Weather Forecasting"
	attribute standard_name = "sea_surface_height_correction_due_to_air_pressure_at_low_frequency"
	attribute units = "m"
group /data_01/ku
dataset /data_01/ku/agc: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named agc_ku in GDR-D standard. AGC is corrected for instrumental errors due to the imperfections of the on-board attenuators"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "Ku band corrected AGC"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_01/ku/agc_numval: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named agc_numval_ku in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "number of valid points used to compute Ku band AGC"
	attribute units = "count"
	attribute valid_max = 20
	attribute valid_min = 0
dataset /data_01/ku/agc_rms: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named agc_rms_ku in GDR-D standard. 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"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "RMS of the Ku band AGC"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_01/ku/alt_state_band_status_flag: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named alt_state_flag_ku_band_status in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "On Off"
	attribute flag_values = 0, 1
	attribute long_name = "altimeter state flag: Ku band status"
dataset /data_01/ku/iono_cor_alt: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named iono_corr_alt_ku in GDR-D standard. 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-3 User Handbook"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute institution = "CNES"
	attribute long_name = "altimeter ionospheric correction on Ku band"
	attribute scale_factor = 0.0001
	attribute source = "Poseidon-3B"
	attribute standard_name = "altimeter_range_correction_due_to_ionosphere"
	attribute units = "m"
dataset /data_01/ku/iono_cor_alt_adaptive: int16, shape (3321)
	attribute _FillValue = 32767
	attribute 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-3 User Handbook"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute institution = "CNES"
	attribute long_name = "altimeter ionospheric correction on Ku band (adaptive retracking)"
	attribute scale_factor = 0.0001
	attribute source = "Poseidon-3B"
	attribute standard_name = "altimeter_range_correction_due_to_ionosphere"
	attribute units = "m"
dataset /data_01/ku/iono_cor_alt_filtered: int16, shape (3321)
	attribute _FillValue = 32767
	attribute 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-3 User Handbook"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute institution = "CNES"
	attribute long_name = "filtered altimeter ionospheric correction on Ku band"
	attribute quality_flag = "iono_cor_alt_filtered_qual"
	attribute scale_factor = 0.0001
	attribute source = "Poseidon-3B"
	attribute standard_name = "altimeter_range_correction_due_to_ionosphere"
	attribute units = "m"
dataset /data_01/ku/iono_cor_alt_filtered_adaptive: int16, shape (3321)
	attribute _FillValue = 32767
	attribute 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-3 User Handbook"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute institution = "CNES"
	attribute long_name = "filtered altimeter ionospheric correction on Ku band (adaptive retracking)"
	attribute quality_flag = "iono_cor_alt_filtered_adaptive_qual"
	attribute scale_factor = 0.0001
	attribute source = "Poseidon-3B"
	attribute standard_name = "altimeter_range_correction_due_to_ionosphere"
	attribute units = "m"
dataset /data_01/ku/iono_cor_alt_filtered_adaptive_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "filtered interpolated bad"
	attribute flag_values = 0, 1, 2
	attribute long_name = "filtered altimeter ionospheric correction quality flag (adaptive retracking)"
dataset /data_01/ku/iono_cor_alt_filtered_mle3: int16, shape (3321)
	attribute _FillValue = 32767
	attribute 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-3 User Handbook"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute institution = "CNES"
	attribute long_name = "filtered altimeter ionospheric correction on Ku band (MLE3 retracking)"
	attribute quality_flag = "iono_cor_alt_filtered_mle3_qual"
	attribute scale_factor = 0.0001
	attribute source = "Poseidon-3B"
	attribute standard_name = "altimeter_range_correction_due_to_ionosphere"
	attribute units = "m"
dataset /data_01/ku/iono_cor_alt_filtered_mle3_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "filtered interpolated bad"
	attribute flag_values = 0, 1, 2
	attribute long_name = "filtered altimeter ionospheric correction quality flag (MLE3 retracking)"
dataset /data_01/ku/iono_cor_alt_filtered_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "filtered interpolated bad"
	attribute flag_values = 0, 1, 2
	attribute long_name = "filtered altimeter ionospheric correction quality flag"
dataset /data_01/ku/iono_cor_alt_mle3: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named iono_corr_alt_ku_mle3 in GDR-D standard. 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-3 User Handbook"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute institution = "CNES"
	attribute long_name = "altimeter ionospheric correction on Ku band (MLE3 retracking)"
	attribute scale_factor = 0.0001
	attribute source = "Poseidon-3B"
	attribute standard_name = "altimeter_range_correction_due_to_ionosphere"
	attribute units = "m"
dataset /data_01/ku/iono_cor_gim: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named iono_corr_gim_ku in GDR-D standard. 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-3 User Handbook"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute institution = "NASA/JPL"
	attribute long_name = "GIM ionospheric correction on Ku band"
	attribute scale_factor = 0.0001
	attribute standard_name = "altimeter_range_correction_due_to_ionosphere"
	attribute units = "m"
dataset /data_01/ku/off_nadir_angle_wf_ocean: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named off_nadir_angle_wf_ku in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "square of the off nadir angle computed from Ku band waveforms"
	attribute quality_flag = "off_nadir_angle_wf_ocean_compression_qual"
	attribute scale_factor = 0.0001
	attribute units = "degrees^2"
dataset /data_01/ku/off_nadir_angle_wf_ocean_compression_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named qual_alt_1hz_off_nadir_angle_wf_ku in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "quality flag for 1 Hz altimeter data: off nadir angle from Ku band"
dataset /data_01/ku/off_nadir_angle_wf_ocean_numval: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named off_nadir_angle_wf_numval_ku in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "number of valid points for square of the off nadir angle computed from Ku band waveforms"
	attribute units = "count"
	attribute valid_max = 20
	attribute valid_min = 0
dataset /data_01/ku/off_nadir_angle_wf_ocean_rms: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named off_nadir_angle_wf_rms_ku in GDR-D standard. Compression of high rate elements is preceded by a detection of outliers. Only valid high-rate values are used to compute this element"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "RMS of the square of the off nadir angle computed from Ku band waveforms"
	attribute scale_factor = 0.0001
	attribute units = "degrees^2"
dataset /data_01/ku/range_adaptive: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute add_offset = 1300000.0
	attribute comment = "All instrumental corrections included, i.e. distance antenna-COG (/data_01/range_cor_cog), USO drift correction (/data_01/range_cor_uso), internal path correction (range_cor_internal_path), Doppler correction (range_cor_doppler) and system bias"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "1 Hz Ku band corrected altimeter range (adaptive retracking)"
	attribute quality_flag = "range_adaptive_compression_qual"
	attribute scale_factor = 0.0001
	attribute standard_name = "altimeter_range"
	attribute units = "m"
dataset /data_01/ku/range_adaptive_compression_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "quality flag for 1 Hz altimeter data: Ku band range (adaptive retracking)"
dataset /data_01/ku/range_adaptive_numval: int8, shape (3321)
	attribute _FillValue = 127
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "number of valid points for Ku band range (adaptive retracking)"
	attribute units = "count"
	attribute valid_max = 20
	attribute valid_min = 0
dataset /data_01/ku/range_adaptive_rms: int16, shape (3321)
	attribute _FillValue = 32767
	attribute 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"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "RMS of the Ku band range (adaptive retracking)"
	attribute scale_factor = 0.0001
	attribute units = "m"
dataset /data_01/ku/range_cor_adaptive_net_instr: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute comment = "Sum of distance antenna-COG (/data_01/range_cor_cog), USO drift correction (/data_01/range_cor_uso), internal path correction (range_cor_internal_path), Doppler correction (range_cor_doppler) and system bias"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "net instrumental correction on the Ku band range (adaptive retracking)"
	attribute scale_factor = 0.0001
	attribute units = "m"
dataset /data_01/ku/range_cor_doppler: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named doppler_corr_ku in GDR-D standard"
	attribute long_name = "Ku band Doppler correction on altimeter range"
	attribute scale_factor = 0.0001
	attribute units = "m"
dataset /data_01/ku/range_cor_internal_path: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute comment = "Named internal_path_delay_corr_ku in GDR-D standard. Internal calibration correction on the Ku band altimeter range"
	attribute long_name = "Ku band internal path delay correction on altimeter range"
	attribute scale_factor = 0.0001
	attribute units = "m"
dataset /data_01/ku/range_cor_ocean_mle3_model_instr: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named modeled_instr_corr_range_ku_mle3 in GDR-D standard"
	attribute long_name = "Ku band modeled instrumental correction on altimeter range (MLE3 retracking)"
	attribute scale_factor = 0.0001
	attribute units = "m"
dataset /data_01/ku/range_cor_ocean_mle3_net_instr: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute comment = "Named net_instr_corr_range_ku_mle3 in GDR-D standard. Sum of distance antenna-COG (/data_01/range_cor_cog), USO drift correction (/data_01/range_cor_uso), internal path correction (range_cor_internal_path), Doppler correction (range_cor_doppler), modeled instrumental errors correction (range_cor_ocean_mle3_model_instr) and system bias"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "net instrumental correction on the Ku band range (MLE3 retracking)"
	attribute scale_factor = 0.0001
	attribute units = "m"
dataset /data_01/ku/range_cor_ocean_model_instr: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named modeled_instr_corr_range_ku in GDR-D standard"
	attribute long_name = "Ku band modeled instrumental correction on altimeter range"
	attribute scale_factor = 0.0001
	attribute units = "m"
dataset /data_01/ku/range_cor_ocean_net_instr: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute comment = "Named net_instr_corr_range_ku in GDR-D standard. Sum of distance antenna-COG (/data_01/range_cor_cog), USO drift correction (/data_01/range_cor_uso), internal path correction (range_cor_internal_path), Doppler correction (range_cor_doppler), modeled instrumental errors correction (range_cor_ocean_model_instr) and system bias"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "net instrumental correction on the Ku band range"
	attribute quality_flag = "range_cor_ocean_net_instr_qual"
	attribute scale_factor = 0.0001
	attribute units = "m"
dataset /data_01/ku/range_cor_ocean_net_instr_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named qual_inst_corr_1hz_range_ku in GDR-D standard. Threshold control of range_cor_ocean_net_instr"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "quality flag for 1 Hz instrumental correction: Ku band range"
dataset /data_01/ku/range_ocean: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute add_offset = 1300000.0
	attribute comment = "Named range_ku in GDR-D standard. All instrumental corrections included, i.e. distance antenna-COG (/data_01/range_cor_cog), USO drift correction (/data_01/range_cor_uso), internal path correction (range_cor_internal_path), Doppler correction (range_cor_doppler), modeled instrumental errors correction (range_cor_ocean_model_instr) and system bias"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "1 Hz Ku band corrected altimeter range"
	attribute quality_flag = "range_ocean_compression_qual"
	attribute scale_factor = 0.0001
	attribute standard_name = "altimeter_range"
	attribute units = "m"
dataset /data_01/ku/range_ocean_compression_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named qual_alt_1hz_range_ku in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "quality flag for 1 Hz altimeter data: Ku band range"
dataset /data_01/ku/range_ocean_mle3: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute add_offset = 1300000.0
	attribute comment = "Named range_ku_mle3 in GDR-D standard. All instrumental corrections included, i.e. distance antenna-COG (/data_01/range_cor_cog), USO drift correction (/data_01/range_cor_uso), internal path correction (range_cor_internal_path), Doppler correction (range_cor_doppler), modeled instrumental errors correction (range_cor_ocean_mle3_model_instr) and system bias"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "1 Hz Ku band corrected altimeter range (MLE3 retracking)"
	attribute quality_flag = "range_ocean_mle3_compression_qual"
	attribute scale_factor = 0.0001
	attribute standard_name = "altimeter_range"
	attribute units = "m"
dataset /data_01/ku/range_ocean_mle3_compression_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named qual_alt_1hz_range_ku_mle3 in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "quality flag for 1 Hz altimeter data: Ku band range (MLE3 retracking)"
dataset /data_01/ku/range_ocean_mle3_numval: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named range_numval_ku_mle3 in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "number of valid points for Ku band range (MLE3 retracking)"
	attribute units = "count"
	attribute valid_max = 20
	attribute valid_min = 0
dataset /data_01/ku/range_ocean_mle3_rms: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named range_rms_ku_mle3 in GDR-D standard. 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"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "RMS of the Ku band range (MLE3 retracking)"
	attribute scale_factor = 0.0001
	attribute units = "m"
dataset /data_01/ku/range_ocean_numval: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named range_numval_ku in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "number of valid points for Ku band range"
	attribute units = "count"
	attribute valid_max = 20
	attribute valid_min = 0
dataset /data_01/ku/range_ocean_rms: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named range_rms_ku in GDR-D standard. 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"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "RMS of the Ku band range"
	attribute scale_factor = 0.0001
	attribute units = "m"
dataset /data_01/ku/sea_state_bias: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named sea_state_bias_ku in GDR-D standard. 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-3 User Handbook"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute institution = "CLS/CNES"
	attribute long_name = "sea state bias correction in Ku band"
	attribute scale_factor = 0.0001
	attribute source = "Tran2020 empirical solution fitted on one year of Jason-3 GDR_F data from MLE4 retracking"
	attribute standard_name = "sea_surface_height_bias_due_to_sea_surface_roughness"
	attribute units = "m"
dataset /data_01/ku/sea_state_bias_3d_mp2: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Sea state bias computed from 3D model with mean wave period (T02) as third input. 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-3 User Handbook"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute institution = "CLS/CNES"
	attribute long_name = "sea state bias correction in Ku band computed from 3d model"
	attribute quality_flag = "wave_model_interp_qual and wave_model_map_availability_flag"
	attribute scale_factor = 0.0001
	attribute source = "Tran2020 3D empirical solution fitted on one year of Jason-3 GDR_F data from MLE4 retracking"
	attribute standard_name = "sea_surface_height_bias_due_to_sea_surface_roughness"
	attribute units = "m"
dataset /data_01/ku/sea_state_bias_adaptive: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "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-3 User Handbook"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute institution = "CLS/CNES"
	attribute long_name = "sea state bias correction in Ku band (adaptive retracking)"
	attribute scale_factor = 0.0001
	attribute source = "Tran2020 empirical solution fitted on one year of Jason-3 GDR_F data from adaptive retracking"
	attribute standard_name = "sea_surface_height_bias_due_to_sea_surface_roughness"
	attribute units = "m"
dataset /data_01/ku/sea_state_bias_adaptive_3d_mp2: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Sea state bias computed from 3D model with mean wave period (T02) as third input. 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-3 User Handbook"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute institution = "CLS/CNES"
	attribute long_name = "sea state bias correction in Ku band computed from 3d model"
	attribute quality_flag = "wave_model_interp_qual and wave_model_map_availability_flag"
	attribute scale_factor = 0.0001
	attribute source = "Tran2020 3D empirical solution fitted on one year of Jason-3 GDR_F data from adaptive retracking"
	attribute standard_name = "sea_surface_height_bias_due_to_sea_surface_roughness"
	attribute units = "m"
dataset /data_01/ku/sea_state_bias_mle3: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named sea_state_bias_ku_mle3 in GDR-D standard. 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-3 User Handbook"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute institution = "CLS/CNES"
	attribute long_name = "sea state bias correction in Ku band (MLE3 retracking)"
	attribute scale_factor = 0.0001
	attribute source = "Empirical solution fitted on Jason-2 GDR_C data"
	attribute standard_name = "sea_surface_height_bias_due_to_sea_surface_roughness"
	attribute units = "m"
dataset /data_01/ku/sig0_adaptive: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "All instrumental corrections included, excepted the system bias, i.e. AGC instrumental errors correction, internal calibration correction (sig0_cor_calibration) and atmospheric attenuation (sig0_cor_atm)"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "Ku band corrected backscatter coefficient (adaptive retracking)"
	attribute quality_flag = "sig0_adaptive_compression_qual"
	attribute scale_factor = 0.01
	attribute standard_name = "surface_backwards_scattering_coefficient_of_radar_wave"
	attribute units = "dB"
dataset /data_01/ku/sig0_adaptive_compression_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "quality flag for 1 Hz altimeter data: Ku band backscatter coefficient (adaptive retracking)"
dataset /data_01/ku/sig0_adaptive_numval: int8, shape (3321)
	attribute _FillValue = 127
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "number of valid points used to compute Ku band backscatter coefficient (adaptive retracking)"
	attribute units = "count"
	attribute valid_max = 20
	attribute valid_min = 0
dataset /data_01/ku/sig0_adaptive_rms: int16, shape (3321)
	attribute _FillValue = 32767
	attribute 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"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "RMS of the Ku band backscatter coefficient (adaptive retracking)"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_01/ku/sig0_cor_adaptive_net_instr: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Sum of AGC instrumental errors correction, internal calibration correction (sig0_cor_calibration) - system bias not included"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "net instrumental correction on Ku band backscatter coefficient (adaptive retracking)"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_01/ku/sig0_cor_atm: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named atmos_corr_sig0_ku in GDR-D standard. Based either on the radiometer (if available) or atmospheric model (otherwise). The flag sig0_cor_atm_source indicates whether the atmospheric model has been used"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "atmospheric attenuation correction on Ku band backscatter coefficient"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_01/ku/sig0_cor_calibration: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named internal_corr_sig0_ku in GDR-D standard"
	attribute long_name = "Ku band internal calibration correction on backscatter coefficient"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_01/ku/sig0_cor_ocean_mle3_model_instr: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named modeled_instr_corr_sig0_ku_mle3 in GDR-D standard"
	attribute long_name = "Ku band modeled instrumental correction on backscatter coefficient (MLE3 retracking)"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_01/ku/sig0_cor_ocean_mle3_net_instr: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named net_instr_corr_sig0_ku_mle3 in GDR-D standard. Sum of AGC instrumental errors correction, internal calibration correction (sig0_cor_calibration) and modeled instrumental errors correction (sig0_cor_ocean_mle3_model_instr) - system bias not included"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "net instrumental correction on Ku band backscatter coefficient (MLE3 retracking)"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_01/ku/sig0_cor_ocean_model_instr: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named modeled_instr_corr_sig0_ku in GDR-D standard"
	attribute long_name = "Ku band modeled instrumental correction on backscatter coefficient"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_01/ku/sig0_cor_ocean_net_instr: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named net_instr_corr_sig0_ku in GDR-D standard. Sum of AGC instrumental errors correction, internal calibration correction (sig0_cor_calibration) and modeled instrumental errors correction (sig0_cor_ocean_model_instr) - system bias not included"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "net instrumental correction on Ku band backscatter coefficient"
	attribute quality_flag = "sig0_cor_ocean_net_instr_qual"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_01/ku/sig0_cor_ocean_net_instr_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named qual_inst_corr_1hz_sig0_ku in GDR-D standard. Threshold control of sig0_cor_ocean_net_instr"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "quality flag for 1 Hz instrumental correction: Ku band backscatter coefficient"
dataset /data_01/ku/sig0_ocean: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named sig0_ku in GDR-D standard. All instrumental corrections included, excepted the system bias, i.e. AGC instrumental errors correction, internal calibration correction (sig0_cor_calibration), modeled instrumental errors correction (sig0_cor_ocean_model_instr) and atmospheric attenuation (sig0_cor_atm)"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "Ku band corrected backscatter coefficient"
	attribute quality_flag = "sig0_ocean_compression_qual"
	attribute scale_factor = 0.01
	attribute standard_name = "surface_backwards_scattering_coefficient_of_radar_wave"
	attribute units = "dB"
dataset /data_01/ku/sig0_ocean_compression_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named qual_alt_1hz_sig0_ku in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "quality flag for 1 Hz altimeter data: Ku band backscatter coefficient"
dataset /data_01/ku/sig0_ocean_mle3: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named sig0_ku_mle3 in GDR-D standard. All instrumental corrections included, excepted the system bias, i.e. AGC instrumental errors correction, internal calibration correction (sig0_cor_calibration), modeled instrumental errors correction (sig0_cor_ocean_mle3_model_instr) and atmospheric attenuation (sig0_cor_atm)"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "Ku band corrected backscatter coefficient (MLE3 retracking)"
	attribute quality_flag = "sig0_ocean_mle3_compression_qual"
	attribute scale_factor = 0.01
	attribute standard_name = "surface_backwards_scattering_coefficient_of_radar_wave"
	attribute units = "dB"
dataset /data_01/ku/sig0_ocean_mle3_compression_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named qual_alt_1hz_sig0_ku_mle3 in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "quality flag for 1 Hz altimeter data: Ku band backscatter coefficient (MLE3 retracking)"
dataset /data_01/ku/sig0_ocean_mle3_numval: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named sig0_numval_ku_mle3 in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "number of valid points used to compute Ku band backscatter coefficient (MLE3 retracking)"
	attribute units = "count"
	attribute valid_max = 20
	attribute valid_min = 0
dataset /data_01/ku/sig0_ocean_mle3_rms: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named sig0_rms_ku_mle3 in GDR-D standard. 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"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "RMS of the Ku band backscatter coefficient (MLE3 retracking)"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_01/ku/sig0_ocean_numval: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named sig0_numval_ku in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "number of valid points used to compute Ku band backscatter coefficient"
	attribute units = "count"
	attribute valid_max = 20
	attribute valid_min = 0
dataset /data_01/ku/sig0_ocean_rms: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named sig0_rms_ku in GDR-D standard. 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"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "RMS of the Ku band backscatter coefficient"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_01/ku/ssha: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "= altitude of satellite (/data_01/altitude) - Ku band corrected altimeter range (range_ocean) - filtered altimeter ionospheric correction on Ku band (iono_cor_alt_filtered) - model dry tropospheric correction (/data_01/model_dry_tropo_cor_zero_altitude) - radiometer wet tropospheric correction (/data_01/rad_wet_tropo_cor) - sea state bias correction in Ku band (sea_state_bias) - solid earth tide height (/data_01/solid_earth_tide) - geocentric ocean tide height from FES solution (/data_01/ocean_tide_fes) - non-equilibrium long-period ocean tide height (/data_01/ocean_tide_non_eq) - geocentric pole tide height (/data_01/pole_tide) - internal tide (/data_01/internal_tide) - dynamic atmospheric correction (/data_01/dac) - mean sea surface from CNES/CLS solution (/data_01/mean_sea_surface_cnescls). Set to default if the waveform classification (wvf_main_class) is not set to 1 = brown ocean, 12 = shifted brown, 13 = brown noise leading edge or 15 = linear positive_slope, the radiometer surface type (/data_01/rad_surface_type_flag) set to 2 = land"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute institution = "CNES"
	attribute long_name = "sea surface height anomaly"
	attribute scale_factor = 0.001
	attribute source = "Poseidon-3B"
	attribute standard_name = "sea_surface_height_above_sea_level"
	attribute units = "m"
dataset /data_01/ku/ssha_mle3: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "= altitude of satellite (/data_01/altitude) - Ku band corrected altimeter range (range_ocean_mle3) - filtered altimeter ionospheric correction on Ku band (iono_cor_alt_filtered_mle3) - model dry tropospheric correction (/data_01/model_dry_tropo_cor_zero_altitude) - radiometer wet tropospheric correction (/data_01/rad_wet_tropo_cor) - sea state bias correction in Ku band (sea_state_bias_mle3) - solid earth tide height (/data_01/solid_earth_tide) - geocentric ocean tide height from FES solution (/data_01/ocean_tide_fes) - non-equilibrium long-period ocean tide height (/data_01/ocean_tide_non_eq) - geocentric pole tide height (/data_01/pole_tide) - internal tide (/data_01/internal_tide) - dynamic atmospheric correction (/data_01/dac) - mean sea surface from CNES/CLS solution (/data_01/mean_sea_surface_cnescls). Set to default if the waveform classification (wvf_main_class) is not set to 1 = brown ocean, 12 = shifted brown, 13 = brown noise leading edge or 15 = linear positive_slope, the radiometer surface type (/data_01/rad_surface_type_flag) set to 2 = land"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute institution = "CNES"
	attribute long_name = "sea surface height anomaly (MLE3 retracking)"
	attribute scale_factor = 0.001
	attribute source = "Poseidon-3B"
	attribute standard_name = "sea_surface_height_above_sea_level"
	attribute units = "m"
dataset /data_01/ku/swh_adaptive: int16, shape (3321)
	attribute _FillValue = 32767
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "Ku band corrected significant waveheight (adaptive retracking)"
	attribute quality_flag = "swh_adaptive_compression_qual"
	attribute scale_factor = 0.001
	attribute standard_name = "sea_surface_wave_significant_height"
	attribute units = "m"
dataset /data_01/ku/swh_adaptive_compression_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "quality flag for 1 Hz altimeter data: Ku band SWH (adaptive retracking)"
dataset /data_01/ku/swh_adaptive_numval: int8, shape (3321)
	attribute _FillValue = 127
	attribute 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"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "number of valid points used to compute Ku band significant waveheight (adaptive retracking)"
	attribute units = "count"
	attribute valid_max = 20
	attribute valid_min = 0
dataset /data_01/ku/swh_adaptive_rms: int16, shape (3321)
	attribute _FillValue = 32767
	attribute 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"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "RMS of the Ku band significant waveheight (adaptive retracking)"
	attribute scale_factor = 0.001
	attribute units = "m"
dataset /data_01/ku/swh_cor_adaptive_net_instr: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Set to zero"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "net instrumental correction on Ku band significant waveheight (adaptive retracking)"
	attribute scale_factor = 0.001
	attribute units = "m"
dataset /data_01/ku/swh_cor_ocean_mle3_model_instr: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named modeled_instr_corr_swh_ku_mle3 in GDR-D standard"
	attribute long_name = "Ku band modeled instrumental correction on significant waveheight (MLE3 retracking)"
	attribute scale_factor = 0.001
	attribute units = "m"
dataset /data_01/ku/swh_cor_ocean_mle3_net_instr: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named net_instr_corr_swh_ku_mle3 in GDR-D standard. Sum of modeled instrumental errors correction (swh_cor_ocean_mle3_model_instr) and system bias"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "net instrumental correction on Ku band significant waveheight (MLE3 retracking)"
	attribute scale_factor = 0.001
	attribute units = "m"
dataset /data_01/ku/swh_cor_ocean_model_instr: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named modeled_instr_corr_swh_ku in GDR-D standard"
	attribute long_name = "Ku band modeled instrumental correction on significant waveheight"
	attribute scale_factor = 0.001
	attribute units = "m"
dataset /data_01/ku/swh_cor_ocean_net_instr: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named net_instr_corr_swh_ku in GDR-D standard. Sum of modeled instrumental errors correction (swh_cor_ocean_model_instr) and system bias"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "net instrumental correction on Ku band significant waveheight"
	attribute quality_flag = "swh_cor_ocean_net_instr_qual"
	attribute scale_factor = 0.001
	attribute units = "m"
dataset /data_01/ku/swh_cor_ocean_net_instr_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named qual_inst_corr_1hz_swh_ku in GDR-D standard. Threshold control of swh_cor_ocean_net_instr"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "quality flag for 1 Hz instrumental correction: Ku band SWH"
dataset /data_01/ku/swh_ocean: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named swh_ku in GDR-D standard. All instrumental corrections included, i.e. modeled instrumental errors correction (swh_cor_ocean_model_instr) and system bias"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "Ku band corrected significant waveheight"
	attribute quality_flag = "swh_ocean_compression_qual"
	attribute scale_factor = 0.001
	attribute standard_name = "sea_surface_wave_significant_height"
	attribute units = "m"
dataset /data_01/ku/swh_ocean_compression_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named qual_alt_1hz_swh_ku in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "quality flag for 1 Hz altimeter data: Ku band SWH"
dataset /data_01/ku/swh_ocean_mle3: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named swh_ku_mle3 in GDR-D standard. All instrumental corrections included, i.e. modeled instrumental errors correction (swh_cor_ocean_mle3_model_instr) and system bias"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "Ku band corrected significant waveheight (MLE3 retracking)"
	attribute quality_flag = "swh_ocean_mle3_compression_qual"
	attribute scale_factor = 0.001
	attribute standard_name = "sea_surface_wave_significant_height"
	attribute units = "m"
dataset /data_01/ku/swh_ocean_mle3_compression_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named qual_alt_1hz_swh_ku_mle3 in GDR-D standard"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "quality flag for 1 Hz altimeter data: Ku band SWH (MLE3 retracking)"
dataset /data_01/ku/swh_ocean_mle3_numval: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named swh_numval_ku_mle3 in GDR-D standard. 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"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "number of valid points used to compute Ku band significant waveheight (MLE3 retracking)"
	attribute units = "count"
	attribute valid_max = 20
	attribute valid_min = 0
dataset /data_01/ku/swh_ocean_mle3_rms: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named swh_rms_ku_mle3 in GDR-D standard. 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"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "RMS of the Ku band significant waveheight (MLE3 retracking)"
	attribute scale_factor = 0.001
	attribute units = "m"
dataset /data_01/ku/swh_ocean_numval: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named swh_numval_ku in GDR-D standard. 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"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "number of valid points used to compute Ku band significant waveheight"
	attribute units = "count"
	attribute valid_max = 20
	attribute valid_min = 0
dataset /data_01/ku/swh_ocean_rms: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named swh_rms_ku in GDR-D standard. 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"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute long_name = "RMS of the Ku band significant waveheight"
	attribute scale_factor = 0.001
	attribute units = "m"
dataset /data_01/ku/wvf_main_class: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Waveform classification : main class selected by classification neural network trained on shape features of the waveforms"
	attribute coordinates = "/data_01/longitude /data_01/latitude"
	attribute flag_meanings = "brown_ocean peaky noise strong_peak brown_peak_trailing_edge brown_peak_leading_edge brown_flat_trailing_eadge peak_end trash brown_noise two_leading_edges shifted_brown brown_noise_leading_edge linear_positive_slope linear_negative_slope"
	attribute flag_values = 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 18
	attribute long_name = "1 Hz Ku band waveform main class"
dataset /data_01/latitude: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute comment = "Named lat in GDR-D standard. Positive latitude is North latitude, negative latitude is South latitude. See Jason-3 User Handbook. Associated quality flag is orb_state_diode_flag for the OGDR products, orb_state_rest_flag for the IGDR and GDR products"
	attribute long_name = "latitude"
	attribute quality_flag = "orb_state_rest_flag or orb_state_diode_flag"
	attribute scale_factor = 1e-06
	attribute standard_name = "latitude"
	attribute units = "degrees_north"
dataset /data_01/load_tide_fes: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named load_tide_sol2 in GDR-D standard. This value contains the total load tide height (short-period and long-period) for the geocentric ocean tide (FES solution). To get only the ocean tide height (FES solution), do: ocean_tide_fes + ocean_tide_non_eq - load_tide_fes. See Jason-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute institution = "LEGOS/NOVELTIS/CNES/CLS"
	attribute long_name = "load tide height for geocentric ocean tide (FES solution)"
	attribute scale_factor = 0.0001
	attribute source = "FES2014b"
	attribute units = "m"
dataset /data_01/load_tide_got: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named load_tide_sol1 in GDR-D standard. This value has already been added to the corresponding ocean tide height value recorded in the product (ocean_tide_got). See Jason-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute institution = "GSFC"
	attribute long_name = "load tide height for geocentric ocean tide (GOT solution)"
	attribute scale_factor = 0.0001
	attribute source = "GOT4.10c"
	attribute units = "m"
dataset /data_01/longitude: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute comment = "Named lon in GDR-D standard. East longitude relative to Greenwich meridian. See Jason-3 User Handbook. Associated quality flag is orb_state_diode_flag for the OGDR products, orb_state_rest_flag for the IGDR and GDR products"
	attribute long_name = "longitude"
	attribute quality_flag = "orb_state_rest_flag or orb_state_diode_flag"
	attribute scale_factor = 1e-06
	attribute standard_name = "longitude"
	attribute units = "degrees_east"
dataset /data_01/mean_dynamic_topography: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute comment = "Named mean_topography in GDR-D standard. See Jason-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute institution = "CLS/CNES"
	attribute long_name = "mean dynamic topography above geoid"
	attribute quality_flag = "mean_dynamic_topography_interp_qual"
	attribute scale_factor = 0.0001
	attribute source = "MDT_CNES_CLS-2018"
	attribute units = "m"
dataset /data_01/mean_dynamic_topography_interp_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named interp_flag_mdt in GDR-D standard"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "MDT interpolation flag"
dataset /data_01/mean_sea_surface_cnescls: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute comment = "Named mean_sea_surface in GDR-D standard. See Jason-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute institution = "CLS/CNES"
	attribute long_name = "mean sea surface height (CNES/CLS solution) above reference ellipsoid"
	attribute quality_flag = "mean_sea_surface_cnescls_interp_qual"
	attribute scale_factor = 0.0001
	attribute source = "MSS_CNES_CLS-2015"
	attribute units = "m"
dataset /data_01/mean_sea_surface_cnescls_interp_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named interp_flag_mean_sea_surface in GDR-D standard"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "mean sea surface interpolation flag (CNES/CLS solution)"
dataset /data_01/mean_sea_surface_dtu: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute comment = "See Jason-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute institution = "DNSC"
	attribute long_name = "mean sea surface height (DTU solution) above reference ellipsoid"
	attribute quality_flag = "mean_sea_surface_dtu_interp_qual"
	attribute scale_factor = 0.0001
	attribute source = "DTU18"
	attribute units = "m"
dataset /data_01/mean_sea_surface_dtu_interp_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "mean sea surface interpolation flag (DTU solution)"
dataset /data_01/mean_wave_direction: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute coordinates = "longitude latitude"
	attribute institution = "Meteo France"
	attribute long_name = "mean direction of the sea surface wave"
	attribute quality_flag = "wave_model_interp_qual and wave_model_map_availability_flag"
	attribute scale_factor = 0.01
	attribute source = "MFWAM"
	attribute standard_name = "sea_surface_wave_from_direction"
	attribute units = "degrees"
dataset /data_01/mean_wave_period_t02: int16, shape (3321)
	attribute _FillValue = 32767
	attribute coordinates = "longitude latitude"
	attribute institution = "Meteo France"
	attribute long_name = "t02 mean wave period"
	attribute quality_flag = "wave_model_interp_qual and wave_model_map_availability_flag"
	attribute scale_factor = 0.01
	attribute source = "MFWAM"
	attribute standard_name = "sea_surface_wind_wave_mean_period_from_variance_spectral_density_second_frequency_moment"
	attribute units = "s"
dataset /data_01/meteo_map_availability_flag: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named ecmwf_meteo_map_avail in GDR-D standard. Possible values are: 0 meaning ’2 maps, nominal’ (six hours apart), 1 meaning ’2 maps, degraded’ (more than six hours apart), 2 meaning ’1 map, closest map used’, 3 meaning ’no valid map’"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "2_maps_nominal 2_maps_degraded 1_map_closest_used no_valid_map"
	attribute flag_values = 0, 1, 2, 3
	attribute long_name = "ECMWF meteorological map availability"
dataset /data_01/meteo_measurement_altitude_interp_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "0 = interpolation from 4 points; 1 = interpolation from less than 4 points"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "meteorological data at measurement altitude interpolation flag"
dataset /data_01/meteo_zero_altitude_interp_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named interp_flag_meteo in GDR-D standard. 0 = interpolation from 4 points; 1 = interpolation from less than 4 points"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "meteorological data at zero altitude interpolation flag"
dataset /data_01/model_dry_tropo_cor_measurement_altitude: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named model_dry_tropo_corr in GDR-D standard. Computed at coarse DEM altitude (for O&IGDR) or precise measurement altitude (for GDR) 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-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute institution = "ECMWF"
	attribute long_name = "model dry tropospheric correction at measurement altitude"
	attribute quality_flag = "meteo_measurement_altitude_interp_qual"
	attribute scale_factor = 0.0001
	attribute source = "European Center for Medium Range Weather Forecasting"
	attribute standard_name = "altimeter_range_correction_due_to_dry_troposphere"
	attribute units = "m"
dataset /data_01/model_dry_tropo_cor_zero_altitude: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Computed at Mean Sea Level Pressure 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-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute institution = "ECMWF"
	attribute long_name = "model dry tropospheric correction at zero altitude"
	attribute quality_flag = "meteo_zero_altitude_interp_qual"
	attribute scale_factor = 0.0001
	attribute source = "European Center for Medium Range Weather Forecasting"
	attribute standard_name = "altimeter_range_correction_due_to_dry_troposphere"
	attribute units = "m"
dataset /data_01/model_wet_tropo_cor_measurement_altitude: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named model_wet_tropo_corr in GDR-D standard. Computed at coarse DEM altitude (for O&IGDR) or precise measurement altitude (for GDR) 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-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute institution = "ECMWF"
	attribute long_name = "model wet tropospheric correction at measurement altitude"
	attribute quality_flag = "meteo_measurement_altitude_interp_qual"
	attribute scale_factor = 0.0001
	attribute source = "European Center for Medium Range Weather Forecasting"
	attribute standard_name = "altimeter_range_correction_due_to_wet_troposphere"
	attribute units = "m"
dataset /data_01/model_wet_tropo_cor_zero_altitude: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Computed at coarse DEM altitude 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-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute institution = "ECMWF"
	attribute long_name = "model wet tropospheric correction at zero altitude"
	attribute quality_flag = "meteo_zero_altitude_interp_qual"
	attribute scale_factor = 0.0001
	attribute source = "European Center for Medium Range Weather Forecasting"
	attribute standard_name = "altimeter_range_correction_due_to_wet_troposphere"
	attribute units = "m"
dataset /data_01/numtotal_20hz_measurement: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Total number of 20 Hz measurements associated to the 1 Hz measurement"
	attribute coordinates = "longitude latitude"
	attribute long_name = "total number of 20 Hz measurements associated to the 1 Hz measurement"
dataset /data_01/ocean_tide_eq: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named ocean_tide_equil in GDR-D standard. This value has already been added to the two geocentric ocean tide height values recorded in the product (ocean_tide_got and ocean_tide_fes). 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_cnescls). See Jason-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute long_name = "equilibrium long-period ocean tide height"
	attribute scale_factor = 0.0001
	attribute source = "Cartwright and Edden [1973] Corrected tables of tidal harmonics - J. Geophys. J. R. Astr. Soc., 33, 253-264."
	attribute standard_name = "sea_surface_height_amplitude_due_to_equilibrium_ocean_tide"
	attribute units = "m"
dataset /data_01/ocean_tide_fes: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute comment = "Named ocean_tide_sol2 in GDR-D standard. Includes the equilibrium long-period ocean tide height (ocean_tide_eq) and the short-period part of the corresponding loading tide (load_tide_fes). 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_cnescls). See Jason-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute institution = "LEGOS/NOVELTIS/CNES/CLS"
	attribute long_name = "geocentric ocean tide height (FES solution)"
	attribute quality_flag = "ocean_tide_fes_interp_qual"
	attribute scale_factor = 0.0001
	attribute source = "FES2014b"
	attribute standard_name = "sea_surface_height_amplitude_due_to_geocentric_ocean_tide"
	attribute units = "m"
dataset /data_01/ocean_tide_fes_interp_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named interp_flag_ocean_tide_sol2 in GDR-D standard. 0 = 4 points over ocean; 1 = less than 4 points; 2 = extrapolated points"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "good bad extrapolation"
	attribute flag_values = 0, 1, 2
	attribute long_name = "ocean tide interpolation flag (FES solution)"
dataset /data_01/ocean_tide_got: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute comment = "Named ocean_tide_sol1 in GDR-D standard. Includes the corresponding loading tide (load_tide_got) and equilibrium long-period ocean tide height (ocean_tide_eq). 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_cnescls). See Jason-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute institution = "GSFC"
	attribute long_name = "geocentric ocean tide height (GOT solution)"
	attribute quality_flag = "ocean_tide_got_interp_qual"
	attribute scale_factor = 0.0001
	attribute source = "GOT4.10c"
	attribute standard_name = "sea_surface_height_amplitude_due_to_geocentric_ocean_tide"
	attribute units = "m"
dataset /data_01/ocean_tide_got_interp_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named interp_flag_ocean_tide_sol1 in GDR-D standard. 0 = 4 points over ocean; 1 = less than 4 points; 2 = extrapolated points"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "good bad extrapolation"
	attribute flag_values = 0, 1, 2
	attribute long_name = "ocean tide interpolation flag (GOT solution)"
dataset /data_01/ocean_tide_non_eq: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named ocean_tide_non_equil in GDR-D standard. This parameter is computed as a correction to the parameter ocean_tide_eq; it contains the long-period ocean tide and the long-period load tide components. This value can be added to ocean_tide_eq (or ocean_tide_got, ocean_tide_fes) so that the resulting value models the total non equilibrium ocean tide height. See Jason-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute institution = "LEGOS/NOVELTIS/CNES/CLS"
	attribute long_name = "non-equilibrium long-period ocean tide height"
	attribute scale_factor = 0.0001
	attribute source = "FES2014b"
	attribute standard_name = "sea_surface_height_amplitude_due_to_non_equilibrium_ocean_tide"
	attribute units = "m"
dataset /data_01/orb_state_diode_flag: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named orb_state_flag_diode in GDR-D standard. 0 = Accurate orbit (0 - 5 cm radial), 1 = Good orbit (5 - 10 cm radial), 2 = Moderate orbit (10 - 15 cm radial), 4-8 = Potentially degraded orbit (> 15 cm radial), 9 = Degraded orbit (e.g., as during maneuver)"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "From good quality (0) to bad quality (9)"
	attribute flag_values = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
	attribute long_name = "orbit state flag: OGDR products"
dataset /data_01/orb_state_rest_flag: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named orb_state_flag_rest in GDR-D standard. 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"
	attribute coordinates = "longitude latitude"
	attribute 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"
	attribute flag_values = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
	attribute long_name = "orbit state flag: restituted orbit"
dataset /data_01/pole_tide: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "See Jason-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute long_name = "geocentric pole tide height"
	attribute scale_factor = 0.0001
	attribute source = "Desai, S., Wahr, J. & Beckley, B. J Geod [2015] 89: 1233"
	attribute standard_name = "sea_surface_height_amplitude_due_to_pole_tide"
	attribute units = "m"
dataset /data_01/rad_averaging_flag: int8, shape (3321)
	attribute _FillValue = 127
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "radiometer along-track averaging flag"
dataset /data_01/rad_cloud_liquid_water: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named rad_liquid_water in GDR-D standard. Should not be used over land"
	attribute coordinates = "longitude latitude"
	attribute institution = "NASA/JPL"
	attribute long_name = "radiometer liquid water content"
	attribute quality_flag = "rad_tb_187_qual and rad_tb_238_qual and rad_tb_340_qual and rad_tb_interp_qual"
	attribute scale_factor = 0.01
	attribute source = "AMR"
	attribute standard_name = "atmosphere_cloud_liquid_water_content"
	attribute units = "kg/m^2"
dataset /data_01/rad_distance_to_land: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute comment = "Shortest distance between nadir sub-satellite point and land"
	attribute coordinates = "longitude latitude"
	attribute long_name = "radiometer radial distance to land"
	attribute units = "m"
dataset /data_01/rad_land_frac_187: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "ratio between 0 and 1"
	attribute coordinates = "longitude latitude"
	attribute long_name = "radiometer 18.7 GHz antenna gain weighted land fraction in main beam"
	attribute scale_factor = 0.01
	attribute units = "1"
dataset /data_01/rad_land_frac_238: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "ratio between 0 and 1"
	attribute coordinates = "longitude latitude"
	attribute long_name = "radiometer 23.8 GHz antenna gain weighted land fraction in main beam"
	attribute scale_factor = 0.01
	attribute units = "1"
dataset /data_01/rad_land_frac_340: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "ratio between 0 and 1"
	attribute coordinates = "longitude latitude"
	attribute long_name = "radiometer 34 GHz antenna gain weighted land fraction in main beam"
	attribute scale_factor = 0.01
	attribute units = "1"
dataset /data_01/rad_rain_flag: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "See Jason-3 User Handbook. The radiometer rain flag indicates where the radiometer wet troposphere path delay (rad_wet_tropo_cor) is invalid due to rain contamination"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "no_rain rain"
	attribute flag_values = 0, 1
	attribute long_name = "radiometer rain flag"
dataset /data_01/rad_sea_ice_flag: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "See Jason-3 User Handbook. The radiometer sea ice flag indicates where the radiometer wet troposphere path delay (rad_wet_tropo_cor) is invalid due to sea ice contamination"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "no_sea_ice sea_ice"
	attribute flag_values = 0, 1
	attribute long_name = "radiometer sea-ice flag"
dataset /data_01/rad_state_oper_flag: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named rad_state_flag_oper in GDR-D standard. Side A = nominal; Side B = redondancy"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "SideA SideB"
	attribute flag_values = 0, 1
	attribute long_name = "radiometer state flag: radiometer operating"
dataset /data_01/rad_surface_type_flag: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named rad_surf_type in GDR-D standard. The radiometer surface type flag is applicable to the radiometer wet troposphere path delays provided by rad_wet_tropo_cor. 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"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "open_ocean near_coast land"
	attribute flag_values = 0, 1, 2
	attribute long_name = "radiometer surface type"
dataset /data_01/rad_ta_187: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named ta_187 in GDR-D standard"
	attribute coordinates = "longitude latitude"
	attribute long_name = "18.7 GHz antenna temperature"
	attribute scale_factor = 0.01
	attribute units = "K"
dataset /data_01/rad_ta_238: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named ta_238 in GDR-D standard"
	attribute coordinates = "longitude latitude"
	attribute long_name = "23.8 GHz antenna temperature"
	attribute scale_factor = 0.01
	attribute units = "K"
dataset /data_01/rad_ta_340: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named ta_340 in GDR-D standard"
	attribute coordinates = "longitude latitude"
	attribute long_name = "34 GHz antenna temperature"
	attribute scale_factor = 0.01
	attribute units = "K"
dataset /data_01/rad_tb_187: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named tb_187_smoothed in GDR-D standard. Brightness temperatures are along-track averaged"
	attribute coordinates = "longitude latitude"
	attribute long_name = "18.7 GHz main beam smoothed brightness temperature"
	attribute quality_flag = "rad_tb_187_qual"
	attribute scale_factor = 0.01
	attribute standard_name = "surface_brightness_temperature"
	attribute units = "K"
dataset /data_01/rad_tb_187_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named qual_rad_1hz_tb187 in GDR-D standard"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "quality flag for 1 Hz radiometer data: 18.7 GHz brightness temperature"
dataset /data_01/rad_tb_238: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named tb_238_smoothed in GDR-D standard. Brightness temperatures are along-track averaged"
	attribute coordinates = "longitude latitude"
	attribute long_name = "23.8 GHz main beam smoothed brightness temperature"
	attribute quality_flag = "rad_tb_238_qual"
	attribute scale_factor = 0.01
	attribute standard_name = "surface_brightness_temperature"
	attribute units = "K"
dataset /data_01/rad_tb_238_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named qual_rad_1hz_tb238 in GDR-D standard"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "quality flag for 1 Hz radiometer data: 23.8 GHz brightness temperature"
dataset /data_01/rad_tb_340: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named tb_340_smoothed in GDR-D standard. Brightness temperatures are along-track averaged"
	attribute coordinates = "longitude latitude"
	attribute long_name = "34 GHz main beam smoothed brightness temperature"
	attribute quality_flag = "rad_tb_340_qual"
	attribute scale_factor = 0.01
	attribute standard_name = "surface_brightness_temperature"
	attribute units = "K"
dataset /data_01/rad_tb_340_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named qual_rad_1hz_tb340 in GDR-D standard"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "quality flag for 1 Hz radiometer data: 34 GHz brightness temperature"
dataset /data_01/rad_tb_interp_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Named interp_flag_tb in GDR-D standard. Possible values are: 0 = interpolation without gap between AMR data, 1 = interpolation with gap between AMR data, 2 = extrapolation of AMR data, 3 = failure of extrapolation and interpolation"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "good interpolation_with_gap extrapolation fail"
	attribute flag_values = 0, 1, 2, 3
	attribute long_name = "radiometer brightness temperatures interpolation flag"
dataset /data_01/rad_tmb_187: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named tb_187 in GDR-D standard. Brightness temperatures are unsmoothed (along-track averaging has not been performed on the brightness temperatures)"
	attribute coordinates = "longitude latitude"
	attribute long_name = "18.7 GHz main beam brightness temperature"
	attribute quality_flag = "rad_tb_187_qual"
	attribute scale_factor = 0.01
	attribute standard_name = "surface_brightness_temperature"
	attribute units = "K"
dataset /data_01/rad_tmb_238: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named tb_238 in GDR-D standard. Brightness temperatures are unsmoothed (along-track averaging has not been performed on the brightness temperatures)"
	attribute coordinates = "longitude latitude"
	attribute long_name = "23.8 GHz main beam brightness temperature"
	attribute quality_flag = "rad_tb_238_qual"
	attribute scale_factor = 0.01
	attribute standard_name = "surface_brightness_temperature"
	attribute units = "K"
dataset /data_01/rad_tmb_340: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named tb_340 in GDR-D standard. Brightness temperatures are unsmoothed (along-track averaging has not been performed on the brightness temperatures)"
	attribute coordinates = "longitude latitude"
	attribute long_name = "34 GHz main beam brightness temperature"
	attribute quality_flag = "rad_tb_340_qual"
	attribute scale_factor = 0.01
	attribute standard_name = "surface_brightness_temperature"
	attribute units = "K"
dataset /data_01/rad_water_vapor: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Should not be used over land"
	attribute coordinates = "longitude latitude"
	attribute institution = "NASA/JPL"
	attribute long_name = "radiometer water vapor content"
	attribute quality_flag = "rad_tb_187_qual and rad_tb_238_qual and rad_tb_340_qual and rad_tb_interp_qual"
	attribute scale_factor = 0.1
	attribute source = "AMR"
	attribute standard_name = "atmosphere_water_vapor_content"
	attribute units = "kg/m^2"
dataset /data_01/rad_wet_tropo_cor: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named rad_wet_tropo_corr in GDR-D standard. 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"
	attribute coordinates = "longitude latitude"
	attribute institution = "NASA/JPL"
	attribute long_name = "radiometer wet tropospheric correction"
	attribute quality_flag = "rad_tb_187_qual and rad_tb_238_qual and rad_tb_340_qual and rad_tb_interp_qual"
	attribute scale_factor = 0.0001
	attribute source = "AMR"
	attribute standard_name = "altimeter_range_correction_due_to_wet_troposphere"
	attribute units = "m"
dataset /data_01/rad_wind_speed: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named wind_speed_rad in GDR-D standard. Should not be used over land. See Jason-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute institution = "NASA/JPL"
	attribute long_name = "radiometer wind speed"
	attribute scale_factor = 0.01
	attribute source = "AMR"
	attribute standard_name = "wind_speed"
	attribute units = "m/s"
dataset /data_01/rain_flag: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "See Jason-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "no_rain rain high_rain_probability_from_altimeter high_probability_of_no_rain_from_altimeter ambiguous_situation_possibility_of_ice evaluation_not_possible"
	attribute flag_values = 0, 1, 2, 3, 4, 5
	attribute long_name = "rain flag"
dataset /data_01/range_cor_cog: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named cog_corr in GDR-D standard"
	attribute long_name = "Distance antenna-COG correction on altimeter range"
	attribute scale_factor = 0.0001
	attribute units = "m"
dataset /data_01/range_cor_uso: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute comment = "Named uso_corr in GDR-D standard. Correction of the USO frequency drift on the altimeter range"
	attribute long_name = "USO frequency correction on altimeter range"
	attribute scale_factor = 0.0001
	attribute units = "m"
dataset /data_01/sea_ice_concentration: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "percentage between 0 and 100"
	attribute coordinates = "longitude latitude"
	attribute institution = "EUMETSAT"
	attribute long_name = "sea ice concentration"
	attribute quality_flag = "sea_ice_concentration_interp_qual"
	attribute scale_factor = 0.01
	attribute source = "OSISAF"
	attribute standard_name = "sea_ice_area_fraction"
	attribute units = "1"
dataset /data_01/sea_ice_concentration_interp_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "0 = interpolation from 4 points; 1 = interpolation from less than 4 points"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "sea ice concentration data interpolation flag"
dataset /data_01/sig0_cor_atm_source: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Flag indicating whether the radiometer data or the climatological values from meteorological model (ECMWF backup solution) have been used to compute the atmospheric sigma0 correction"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "radiometer meteo_model"
	attribute flag_values = 0, 1
	attribute long_name = "data source for atmospheric attenuation computation"
dataset /data_01/solid_earth_tide: int16, shape (3321)
	attribute _FillValue = 32767
	attribute 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-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute long_name = "solid earth tide height"
	attribute scale_factor = 0.0001
	attribute source = "Cartwright and Edden [1973] Corrected tables of tidal harmonics - J. Geophys. J. R. Astr. Soc., 33, 253-264."
	attribute standard_name = "sea_surface_height_amplitude_due_to_earth_tide"
	attribute units = "m"
dataset /data_01/sst: int16, shape (3321)
	attribute _FillValue = 32767
	attribute coordinates = "longitude latitude"
	attribute institution = "NOAA"
	attribute long_name = "sea surface temperature"
	attribute scale_factor = 0.01
	attribute source = "OISST"
	attribute standard_name = "sea_surface_temperature"
	attribute units = "K"
dataset /data_01/surface_classification_flag: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Computed from a mask built with MODIS and GlobCover data"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "open_ocean land continental_water aquatic_vegetation continental_ice_snow floating_ice salted_basin"
	attribute flag_values = 0, 1, 2, 3, 4, 5, 6
	attribute long_name = "surface classification"
dataset /data_01/surface_slope_cor: int32, shape (3321)
	attribute _FillValue = 2147483647
	attribute comment = "The surface slope correction shall not be used with the mean sea surface (mean_sea_surface_cnescls or mean_sea_surface_dtu) provided in the product. See Jason-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute long_name = "surface slope correction"
	attribute scale_factor = 0.0001
	attribute source = "Sandwell, D.T., Smith, W.H.F. Slope correction for ocean radar altimetry. J Geod 88, 765-771 (2014)."
	attribute units = "m"
dataset /data_01/time: float64, shape (3321)
	attribute calendar = "gregorian"
	attribute comment = "Time of measurement in seconds in the UTC time scale since 1 Jan 2000 00:00:00 UTC. [tai_utc_difference] is the difference between TAI and UTC reference time (seconds) for the first measurement of the data set. If a leap second occurs within the data set, the attribute [leap_second] is set to the UTC time at which the leap second occurs"
	attribute leap_second = "0000-00-00 00:00:00"
	attribute long_name = "time in UTC"
	attribute standard_name = "time"
	attribute tai_utc_difference = 37.0
	attribute units = "seconds since 2000-01-01 00:00:00.0"
dataset /data_01/time_tai: float64, shape (3321)
	attribute _FillValue = 1.8446744073709552e+19
	attribute calendar = "gregorian"
	attribute comment = "Time of measurement in seconds in the TAI time scale since 1 Jan 2000 00:00:00 TAI. This time scale contains no leap seconds. The difference (in seconds) with time in UTC is given by the attribute [time:tai_utc_difference]"
	attribute long_name = "time in TAI"
	attribute standard_name = "time"
	attribute units = "seconds since 2000-01-01 00:00:00.0"
dataset /data_01/wave_model_interp_qual: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "0 = interpolation from 4 points; 1 = interpolation from less than 4 points"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "wave model data interpolation flag"
dataset /data_01/wave_model_map_availability_flag: int8, shape (3321)
	attribute _FillValue = 127
	attribute comment = "Possible values are: 0 meaning ’2 maps, nominal’ (three hours apart), 1 meaning ’2 maps, degraded’ (more than three hours apart), 2 meaning ’1 map, closest map used’, 3 meaning ’no valid map’"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "2_maps_nominal 2_maps_degraded 1_map_closest_used no_valid_map"
	attribute flag_values = 0, 1, 2, 3
	attribute long_name = "wave model map availability"
dataset /data_01/wind_speed_alt: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Should not be used over land. See Jason-3 User Handbook. A calibration bias of +0.06 dB has been added to the Ku band backscatter coefficient (/data_01/ku/sig0_ocean) before computing the wind speed"
	attribute coordinates = "longitude latitude"
	attribute long_name = "altimeter wind speed"
	attribute scale_factor = 0.01
	attribute standard_name = "wind_speed"
	attribute units = "m/s"
dataset /data_01/wind_speed_alt_adaptive: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Should not be used over land. See Jason-3 User Handbook. A calibration bias of +0.08 dB has been added to the Ku band backscatter coefficient (/data_01/ku/sig0_adaptive) before computing the wind speed"
	attribute coordinates = "longitude latitude"
	attribute long_name = "altimeter wind speed (adaptive retracking)"
	attribute scale_factor = 0.01
	attribute standard_name = "wind_speed"
	attribute units = "m/s"
dataset /data_01/wind_speed_alt_mle3: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Should not be used over land. See Jason-3 User Handbook. A calibration bias of +0.109 dB has been added to the Ku band backscatter coefficient (/data_01/ku/sig0_ocean_mle3) before computing the wind speed"
	attribute coordinates = "longitude latitude"
	attribute long_name = "altimeter wind speed (MLE3 retracking)"
	attribute scale_factor = 0.01
	attribute standard_name = "wind_speed"
	attribute units = "m/s"
dataset /data_01/wind_speed_mod_u: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named wind_speed_model_u in GDR-D standard. Computed at the altimeter time-tag from the interpolation of 2 meteorological fields that surround the altimeter time-tag. See Jason-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute institution = "ECMWF"
	attribute long_name = "U component of the model wind vector"
	attribute quality_flag = "meteo_zero_altitude_interp_qual and meteo_map_availability_flag"
	attribute scale_factor = 0.01
	attribute source = "European Center for Medium Range Weather Forecasting"
	attribute standard_name = "wind_speed"
	attribute units = "m/s"
dataset /data_01/wind_speed_mod_v: int16, shape (3321)
	attribute _FillValue = 32767
	attribute comment = "Named wind_speed_model_v in GDR-D standard. Computed at the altimeter time-tag from the interpolation of 2 meteorological fields that surround the altimeter time-tag. See Jason-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute institution = "ECMWF"
	attribute long_name = "V component of the model wind vector"
	attribute quality_flag = "meteo_zero_altitude_interp_qual and meteo_map_availability_flag"
	attribute scale_factor = 0.01
	attribute source = "European Center for Medium Range Weather Forecasting"
	attribute standard_name = "wind_speed"
	attribute units = "m/s"
group /data_20
dataset /data_20/alt_state_acq_mode_flag: int8, shape (65312)
	attribute _FillValue = 127
	attribute comment = "Named alt_state_flag_acq_mode_20hz in GDR-D standard. 8 = autonomous acquisition / tracking, 9 = autonomous DIODE acquisition / tracking, 10 = DIODE + Digital Elevation Model tracking"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "autonomous_acq/track autonomous_DIODEacq/track DIODE+DEM/track"
	attribute flag_values = 8, 9, 10
	attribute long_name = "20 Hz altimeter state flag: operational acquisition mode"
dataset /data_20/alt_state_track_trans_flag: int8, shape (65312)
	attribute _FillValue = 127
	attribute comment = "Named alt_state_flag_track_trans_20hz in GDR-D standard"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "authorized inhibited"
	attribute flag_values = 0, 1
	attribute long_name = "20 Hz altimeter state flag: tracking automatic transition"
dataset /data_20/altitude: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute add_offset = 1300000.0
	attribute comment = "Named alt_20hz in GDR-D standard. Altitude of satellite above the reference ellipsoid"
	attribute coordinates = "longitude latitude"
	attribute long_name = "20 Hz altitude of satellite"
	attribute scale_factor = 0.0001
	attribute standard_name = "height_above_reference_ellipsoid"
	attribute units = "m"
dataset /data_20/angle_of_approach_to_coast: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Angle of approach to the closest coast. 0 is parallel to the coast with the land on the right. Positive values indicate the satellite is approaching the land. Negative values indicate the satellite is leaving the land. Values close to +/-180 degrees have the land on the left"
	attribute coordinates = "longitude latitude"
	attribute long_name = "20 Hz angle of approach to the coast"
	attribute scale_factor = 0.01
	attribute units = "degrees"
group /data_20/c
dataset /data_20/c/agc: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Named agc_20hz_c in GDR-D standard. AGC is corrected for instrumental errors due to the imperfections of the on-board attenuators"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz C band corrected AGC"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_20/c/agc_cor: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Named agc_corr_20hz_c in GDR-D standard. Comes from AGC static characterization, and added to on-board AGC to obtain applied AGC"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz C band AGC correction"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_20/c/amplitude_ocean: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute comment = "Named amplitude_20hz_c in GDR-D standard"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "C band amplitude (ocean retracking) [FFT power unit]"
	attribute scale_factor = 1e-06
	attribute units = "count"
dataset /data_20/c/epoch_ocean: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute comment = "Named epoch_20hz_c in GDR-D standard"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "C band epoch (ocean retracking)"
	attribute scale_factor = 1e-15
	attribute units = "s"
dataset /data_20/c/mqe_ocean: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Named mqe_20hz_c in GDR-D standard. Mean Quadratic Error between the waveforms samples and the corresponding model samples built from the ocean retracking outputs"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz C band MQE (ocean retracking)"
	attribute scale_factor = 0.0001
	attribute units = "1"
dataset /data_20/c/noise_floor_ocean: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute comment = "Named thermal_noise_20hz_c in GDR-D standard"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "C band thermal noise (ocean retracking) [FFT power unit]"
	attribute scale_factor = 1e-06
	attribute units = "count"
dataset /data_20/c/num_iterations_ocean: int8, shape (65312)
	attribute _FillValue = 127
	attribute comment = "Named number_of_iterations_c in GDR-D standard"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz number of iterations of the ocean retracking in C band"
	attribute units = "count"
dataset /data_20/c/peakiness: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Named peakiness_20hz_c in GDR-D standard"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz peakiness on C band waveforms"
	attribute scale_factor = 0.001
	attribute units = "1"
dataset /data_20/c/power_waveform: int32, shape (65312, 104)
	attribute _FillValue = 2147483647
	attribute comment = "Named waveforms_20hz_c in GDR-D standard. Waveforms are corrected for the Low Pass Filter effects"
	attribute long_name = "C band waveform samples"
	attribute scale_factor = 0.001
	attribute units = "count"
dataset /data_20/c/range_ocean: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute add_offset = 1300000.0
	attribute comment = "Named range_20hz_c in GDR-D standard. All instrumental corrections included, i.e. distance antenna-COG (/data_01/range_cor_cog), USO drift correction (/data_01/range_cor_uso), internal path correction (/data_01/c/range_cor_internal_path), Doppler correction (/data_01/c/range_cor_doppler), modeled instrumental errors correction (/data_01/c/range_cor_ocean_model_instr) and system bias"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz C band corrected altimeter range"
	attribute scale_factor = 0.0001
	attribute standard_name = "altimeter_range"
	attribute units = "m"
dataset /data_20/c/range_ocean_compression_qual: int8, shape (65312)
	attribute _FillValue = 127
	attribute comment = "Named range_used_20hz_c in GDR-D standard. Map of valid points used to compute the 1 Hz C band altimeter range"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute flag_meanings = "yes no"
	attribute flag_values = 0, 1
	attribute long_name = "20 Hz flag for utilization in the computation of 1 Hz C band range"
dataset /data_20/c/range_ocog: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute add_offset = 1300000.0
	attribute comment = "Named ice_range_20hz_c in GDR-D standard. Distance antenna-COG (/data_01/range_cor_cog), USO drift correction (/data_01/range_cor_uso), internal path correction (/data_01/c/range_cor_internal_path), Doppler correction (/data_01/c/range_cor_doppler) and system bias included"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz C band altimeter range (ice retracking)"
	attribute scale_factor = 0.0001
	attribute standard_name = "altimeter_range"
	attribute units = "m"
dataset /data_20/c/sig0_ocean: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Named sig0_20hz_c in GDR-D standard. All instrumental corrections included, excepted the system bias, i.e. AGC instrumental errors correction, internal calibration correction (/data_01/c/sig0_cor_calibration), modeled instrumental errors correction (/data_01/c/sig0_cor_ocean_model_instr) and atmospheric attenuation (sig0_cor_atm)"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz C band corrected backscatter coefficient"
	attribute scale_factor = 0.01
	attribute standard_name = "surface_backwards_scattering_coefficient_of_radar_wave"
	attribute units = "dB"
dataset /data_20/c/sig0_ocean_compression_qual: int8, shape (65312)
	attribute _FillValue = 127
	attribute comment = "Named sig0_used_20hz_c in GDR-D standard. Map of valid points used to compute the 1 Hz C band backscatter coefficient"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute flag_meanings = "yes no"
	attribute flag_values = 0, 1
	attribute long_name = "20 Hz flag for utilization in the computation of 1 Hz C band backscatter coefficient"
dataset /data_20/c/sig0_ocog: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Named ice_sig0_20hz_c in GDR-D standard. AGC instrumental errors correction and internal calibration correction (/data_01/c/sig0_cor_calibration) included"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz C band backscatter coefficient (ice retracking)"
	attribute scale_factor = 0.01
	attribute standard_name = "surface_backwards_scattering_coefficient_of_radar_wave"
	attribute units = "dB"
dataset /data_20/c/sig0_scaling_factor: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute comment = "Named scaling_factor_20hz_c in GDR-D standard. This scaling factor represents the backscatter coefficient for a C band waveform amplitude equal to 1. It is a raw value accounting for AGC 20 Hz correction and internal calibration correction. All other correction are not applied (ie atmospheric attenuation, modeled instrumental errors correction and system bias)"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "Scaling factor for C band backscatter coefficient"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_20/c/sigmac_ocean: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute comment = "Named width_leading_edge_20hz_c in GDR-D standard. The width of the leading edge corresponds to the so-called composite sigma (SigmaC)"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "C band width of the leading edge (ocean retracking)"
	attribute scale_factor = 1e-15
	attribute units = "s"
dataset /data_20/c/swh_ocean: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Named swh_20hz_c in GDR-D standard. All instrumental corrections included, i.e. modeled instrumental errors correction (/data_01/c/swh_cor_ocean_model_instr) and system bias"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz C band corrected significant waveheight"
	attribute scale_factor = 0.001
	attribute standard_name = "sea_surface_wave_significant_height"
	attribute units = "m"
dataset /data_20/c/swh_ocean_compression_qual: int8, shape (65312)
	attribute _FillValue = 127
	attribute comment = "Named swh_used_20hz_c in GDR-D standard. Map of valid points used to compute the 1 Hz C band significant waveheight"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute flag_meanings = "yes no"
	attribute flag_values = 0, 1
	attribute long_name = "20 Hz flag for utilization in the computation of 1 Hz C band significant waveheight"
dataset /data_20/c/tracker_range_calibrated: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute add_offset = 1300000.0
	attribute comment = "Named tracker_20hz_c in GDR-D standard. C band operating tracker. This includes the Distance antenna-COG (/data_01/range_cor_cog), USO drift correction (/data_01/range_cor_uso) and internal path correction (/data_01/c/range_cor_internal_path). But not the Doppler correction (/data_01/c/range_cor_doppler), modeled instrumental errors correction (/data_01/c/range_cor_ocean_model_instr) and system bias"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz C band corrected tracker range"
	attribute scale_factor = 0.0001
	attribute standard_name = "altimeter_range"
	attribute units = "m"
dataset /data_20/distance_to_coast: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute coordinates = "longitude latitude"
	attribute long_name = "20 Hz distance to the coast"
	attribute units = "m"
dataset /data_20/index_1hz_measurement: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute comment = "Record counter of the averaged 1 Hz measurement associated to the 20 Hz elementary measurement"
	attribute coordinates = "longitude latitude"
	attribute long_name = "record counter of the associated 1 Hz measurement"
group /data_20/ku
dataset /data_20/ku/agc: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Named agc_20hz_ku in GDR-D standard. AGC is corrected for instrumental errors due to the imperfections of the on-board attenuators"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz Ku band corrected AGC"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_20/ku/agc_cor: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Named agc_corr_20hz_ku in GDR-D standard. Comes from AGC static characterization, and added to on-board AGC to obtain applied AGC"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz Ku band AGC correction"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_20/ku/amplitude_adaptive: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "Ku band amplitude (adaptive retracking) [FFT power unit]"
	attribute scale_factor = 1e-06
	attribute units = "count"
dataset /data_20/ku/amplitude_ocean: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute comment = "Named amplitude_20hz_ku in GDR-D standard"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "Ku band amplitude (ocean retracking) [FFT power unit]"
	attribute scale_factor = 1e-06
	attribute units = "count"
dataset /data_20/ku/amplitude_ocean_mle3: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute comment = "Named amplitude_20hz_ku_mle3 in GDR-D standard"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "Ku band amplitude (MLE3 retracking) [FFT power unit]"
	attribute scale_factor = 1e-06
	attribute units = "count"
dataset /data_20/ku/convergence_criteria_adaptive: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "Ku band convergence criteria (adaptive retracking)"
	attribute scale_factor = 0.01
	attribute units = "count"
dataset /data_20/ku/epoch_adaptive: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "Ku band epoch (adaptive retracking)"
	attribute scale_factor = 1e-15
	attribute units = "s"
dataset /data_20/ku/epoch_ocean: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute comment = "Named epoch_20hz_ku in GDR-D standard"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "Ku band epoch (ocean retracking)"
	attribute scale_factor = 1e-15
	attribute units = "s"
dataset /data_20/ku/epoch_ocean_mle3: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute comment = "Named epoch_20hz_ku_mle3 in GDR-D standard"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "Ku band epoch (MLE3 retracking)"
	attribute scale_factor = 1e-15
	attribute units = "s"
dataset /data_20/ku/gamma_adaptive: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "Ku band gamma (adaptive retracking)"
	attribute scale_factor = 1e-06
	attribute units = "count"
dataset /data_20/ku/mqe_adaptive: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Mean Quadratic Error between the waveforms samples and the corresponding model samples built from the adaptive retracking outputs"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz Ku band MQE (adaptive retracking)"
	attribute scale_factor = 0.0001
	attribute units = "1"
dataset /data_20/ku/mqe_ocean: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Named mqe_20hz_ku in GDR-D standard. Mean Quadratic Error between the waveforms samples and the corresponding model samples built from the ocean retracking outputs"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz Ku band MQE (ocean retracking)"
	attribute scale_factor = 0.0001
	attribute units = "1"
dataset /data_20/ku/mqe_ocean_mle3: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Named mqe_20hz_ku_mle3 in GDR-D standard. Mean Quadratic Error between the waveforms samples and the corresponding model samples built from the MLE3 retracking outputs"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz Ku band MQE (MLE3 retracking)"
	attribute scale_factor = 0.0001
	attribute units = "1"
dataset /data_20/ku/noise_floor_adaptive: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "Ku band thermal noise (adaptive retracking) [FFT power unit]"
	attribute scale_factor = 1e-06
	attribute units = "count"
dataset /data_20/ku/noise_floor_ocean: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute comment = "Named thermal_noise_20hz_ku in GDR-D standard"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "Ku band thermal noise (ocean retracking) [FFT power unit]"
	attribute scale_factor = 1e-06
	attribute units = "count"
dataset /data_20/ku/num_iterations_adaptive: int16, shape (65312)
	attribute _FillValue = 32767
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz number of iterations of the adaptive retracking in Ku band"
	attribute units = "count"
dataset /data_20/ku/num_iterations_ocean: int8, shape (65312)
	attribute _FillValue = 127
	attribute comment = "Named number_of_iterations_ku in GDR-D standard"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz number of iterations of the ocean retracking in Ku band"
	attribute units = "count"
dataset /data_20/ku/num_iterations_ocean_mle3: int8, shape (65312)
	attribute _FillValue = 127
	attribute comment = "Named number_of_iterations_ku_mle3 in GDR-D standard"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz number of iterations of the ocean retracking in Ku band (MLE3 retracking)"
	attribute units = "count"
dataset /data_20/ku/ocog_qual: int8, shape (65312)
	attribute _FillValue = 127
	attribute comment = "Named ice_qual_flag_20hz_ku in GDR-D standard. ice retracking quality flag"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "20 Hz Ku band ice retracking quality flag"
dataset /data_20/ku/off_nadir_angle_wf_ocean: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Named off_nadir_angle_wf_20hz_ku in GDR-D standard"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz square of the off nadir angle computed from Ku band waveforms"
	attribute scale_factor = 0.0001
	attribute units = "degrees^2"
dataset /data_20/ku/off_nadir_angle_wf_ocean_compression_qual: int8, shape (65312)
	attribute _FillValue = 127
	attribute comment = "Named off_nadir_angle_wf_used_20hz_ku in GDR-D standard. Map of valid points used to compute the 1 Hz square of the off nadir angle computed from Ku band waveforms"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute flag_meanings = "yes no"
	attribute flag_values = 0, 1
	attribute long_name = "20 Hz flag for utilization in the computation of 1 Hz square of the off nadir angle computed from Ku band waveforms"
dataset /data_20/ku/peakiness: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Named peakiness_20hz_ku in GDR-D standard"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz peakiness on Ku band waveforms"
	attribute scale_factor = 0.001
	attribute units = "1"
dataset /data_20/ku/power_waveform: int32, shape (65312, 104)
	attribute _FillValue = 2147483647
	attribute comment = "Named waveforms_20hz_ku in GDR-D standard. Waveforms are corrected for the Low Pass Filter effects"
	attribute long_name = "Ku band waveform samples"
	attribute scale_factor = 0.001
	attribute units = "count"
dataset /data_20/ku/range_adaptive: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute add_offset = 1300000.0
	attribute comment = "All instrumental corrections included, i.e. distance antenna-COG (/data_01/range_cor_cog), USO drift correction (/data_01/range_cor_uso), internal path correction (/data_01/ku/range_cor_internal_path), Doppler correction (/data_01/ku/range_cor_doppler) and system bias"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz Ku band corrected altimeter range (adaptive retracking)"
	attribute scale_factor = 0.0001
	attribute standard_name = "altimeter_range"
	attribute units = "m"
dataset /data_20/ku/range_adaptive_compression_qual: int8, shape (65312)
	attribute _FillValue = 127
	attribute comment = "Map of valid points used to compute the 1 Hz Ku band altimeter range"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute flag_meanings = "yes no"
	attribute flag_values = 0, 1
	attribute long_name = "20 Hz flag for utilization in the computation of 1 Hz Ku band range (adaptive retracking)"
dataset /data_20/ku/range_ocean: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute add_offset = 1300000.0
	attribute comment = "Named range_20hz_ku in GDR-D standard. All instrumental corrections included, i.e. distance antenna-COG (/data_01/range_cor_cog), USO drift correction (/data_01/range_cor_uso), internal path correction (/data_01/ku/range_cor_internal_path), Doppler correction (/data_01/ku/range_cor_doppler), modeled instrumental errors correction (/data_01/ku/range_cor_ocean_model_instr) and system bias"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz Ku band corrected altimeter range"
	attribute scale_factor = 0.0001
	attribute standard_name = "altimeter_range"
	attribute units = "m"
dataset /data_20/ku/range_ocean_compression_qual: int8, shape (65312)
	attribute _FillValue = 127
	attribute comment = "Named range_used_20hz_ku in GDR-D standard. Map of valid points used to compute the 1 Hz Ku band altimeter range"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute flag_meanings = "yes no"
	attribute flag_values = 0, 1
	attribute long_name = "20 Hz flag for utilization in the computation of 1 Hz Ku band range"
dataset /data_20/ku/range_ocean_mle3: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute add_offset = 1300000.0
	attribute comment = "Named range_20hz_ku_mle3 in GDR-D standard. All instrumental corrections included, i.e. distance antenna-COG (/data_01/range_cor_cog), USO drift correction (/data_01/range_cor_uso), internal path correction (/data_01/ku/range_cor_internal_path), Doppler correction (/data_01/ku/range_cor_doppler), modeled instrumental errors correction (/data_01/ku/range_cor_ocean_mle3_model_instr) and system bias"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz Ku band corrected altimeter range (MLE3 retracking)"
	attribute scale_factor = 0.0001
	attribute standard_name = "altimeter_range"
	attribute units = "m"
dataset /data_20/ku/range_ocean_mle3_compression_qual: int8, shape (65312)
	attribute _FillValue = 127
	attribute comment = "Named range_used_20hz_ku_mle3 in GDR-D standard. Map of valid points used to compute the 1 Hz Ku band altimeter range"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute flag_meanings = "yes no"
	attribute flag_values = 0, 1
	attribute long_name = "20 Hz flag for utilization in the computation of 1 Hz Ku band range (MLE3 retracking)"
dataset /data_20/ku/range_ocog: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute add_offset = 1300000.0
	attribute comment = "Named ice_range_20hz_ku in GDR-D standard. Distance antenna-COG (/data_01/range_cor_cog), USO drift correction (/data_01/range_cor_uso), internal path correction (/data_01/ku/range_cor_internal_path), Doppler correction (/data_01/ku/range_cor_doppler) and system bias included"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz Ku band altimeter range (ice retracking)"
	attribute scale_factor = 0.0001
	attribute standard_name = "altimeter_range"
	attribute units = "m"
dataset /data_20/ku/sig0_adaptive: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "All instrumental corrections included, excepted the system bias, i.e. AGC instrumental errors correction, internal calibration correction (/data_01/ku/sig0_cor_calibration) and atmospheric attenuation (sig0_cor_atm)"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz Ku band corrected backscatter coefficient (adaptive retracking)"
	attribute scale_factor = 0.01
	attribute standard_name = "surface_backwards_scattering_coefficient_of_radar_wave"
	attribute units = "dB"
dataset /data_20/ku/sig0_adaptive_compression_qual: int8, shape (65312)
	attribute _FillValue = 127
	attribute comment = "Map of valid points used to compute the 1 Hz Ku band backscatter coefficient"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute flag_meanings = "yes no"
	attribute flag_values = 0, 1
	attribute long_name = "20 Hz flag for utilization in the computation of 1 Hz Ku band backscatter coefficient (adaptive retracking)"
dataset /data_20/ku/sig0_ocean: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Named sig0_20hz_ku in GDR-D standard. All instrumental corrections included, excepted the system bias, i.e. AGC instrumental errors correction, internal calibration correction (/data_01/ku/sig0_cor_calibration), modeled instrumental errors correction (/data_01/ku/sig0_cor_ocean_model_instr) and atmospheric attenuation (sig0_cor_atm)"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz Ku band corrected backscatter coefficient"
	attribute scale_factor = 0.01
	attribute standard_name = "surface_backwards_scattering_coefficient_of_radar_wave"
	attribute units = "dB"
dataset /data_20/ku/sig0_ocean_compression_qual: int8, shape (65312)
	attribute _FillValue = 127
	attribute comment = "Named sig0_used_20hz_ku in GDR-D standard. Map of valid points used to compute the 1 Hz Ku band backscatter coefficient"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute flag_meanings = "yes no"
	attribute flag_values = 0, 1
	attribute long_name = "20 Hz flag for utilization in the computation of 1 Hz Ku band backscatter coefficient"
dataset /data_20/ku/sig0_ocean_mle3: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Named sig0_20hz_ku_mle3 in GDR-D standard. All instrumental corrections included, excepted the system bias, i.e. AGC instrumental errors correction, internal calibration correction (/data_01/ku/sig0_cor_calibration), modeled instrumental errors correction (/data_01/ku/sig0_cor_ocean_mle3_model_instr) and atmospheric attenuation (sig0_cor_atm)"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz Ku band corrected backscatter coefficient (MLE3 retracking)"
	attribute scale_factor = 0.01
	attribute standard_name = "surface_backwards_scattering_coefficient_of_radar_wave"
	attribute units = "dB"
dataset /data_20/ku/sig0_ocean_mle3_compression_qual: int8, shape (65312)
	attribute _FillValue = 127
	attribute comment = "Named sig0_used_20hz_ku_mle3 in GDR-D standard. Map of valid points used to compute the 1 Hz Ku band backscatter coefficient"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute flag_meanings = "yes no"
	attribute flag_values = 0, 1
	attribute long_name = "20 Hz flag for utilization in the computation of 1 Hz Ku band backscatter coefficient (MLE3 retracking)"
dataset /data_20/ku/sig0_ocog: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Named ice_sig0_20hz_ku in GDR-D standard. AGC instrumental errors correction and internal calibration correction (/data_01/ku/sig0_cor_calibration) included"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz Ku band backscatter coefficient (ice retracking)"
	attribute scale_factor = 0.01
	attribute standard_name = "surface_backwards_scattering_coefficient_of_radar_wave"
	attribute units = "dB"
dataset /data_20/ku/sig0_scaling_factor: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute comment = "Named scaling_factor_20hz_ku in GDR-D standard. This scaling factor represents the backscatter coefficient for a Ku band waveform amplitude equal to 1. It is a raw value accounting for AGC 20 Hz correction and internal calibration correction. All other correction are not applied (ie atmospheric attenuation, modeled instrumental errors correction and system bias)"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "Scaling factor for Ku band backscatter coefficient"
	attribute scale_factor = 0.01
	attribute units = "dB"
dataset /data_20/ku/sigmac_ocean: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute comment = "Named width_leading_edge_20hz_ku in GDR-D standard. The width of the leading edge corresponds to the so-called composite sigma (SigmaC)"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "Ku band width of the leading edge (ocean retracking)"
	attribute scale_factor = 1e-15
	attribute units = "s"
dataset /data_20/ku/sigmac_ocean_mle3: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute comment = "Named width_leading_edge_20hz_ku_mle3 in GDR-D standard. The width of the leading edge corresponds to the so-called composite sigma (SigmaC)"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "Ku band width of the leading edge (MLE3 retracking)"
	attribute scale_factor = 1e-15
	attribute units = "s"
dataset /data_20/ku/swh_adaptive: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "No correction applied"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz Ku band corrected significant waveheight (adaptive retracking)"
	attribute scale_factor = 0.001
	attribute standard_name = "sea_surface_wave_significant_height"
	attribute units = "m"
dataset /data_20/ku/swh_adaptive_compression_qual: int8, shape (65312)
	attribute _FillValue = 127
	attribute comment = "Map of valid points used to compute the 1 Hz Ku band significant waveheight"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute flag_meanings = "yes no"
	attribute flag_values = 0, 1
	attribute long_name = "20 Hz flag for utilization in the computation of 1 Hz Ku band significant waveheight (adaptive retracking)"
dataset /data_20/ku/swh_ocean: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Named swh_20hz_ku in GDR-D standard. All instrumental corrections included, i.e. modeled instrumental errors correction (/data_01/ku/swh_cor_ocean_model_instr) and system bias"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz Ku band corrected significant waveheight"
	attribute scale_factor = 0.001
	attribute standard_name = "sea_surface_wave_significant_height"
	attribute units = "m"
dataset /data_20/ku/swh_ocean_compression_qual: int8, shape (65312)
	attribute _FillValue = 127
	attribute comment = "Named swh_used_20hz_ku in GDR-D standard. Map of valid points used to compute the 1 Hz Ku band significant waveheight"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute flag_meanings = "yes no"
	attribute flag_values = 0, 1
	attribute long_name = "20 Hz flag for utilization in the computation of 1 Hz Ku band significant waveheight"
dataset /data_20/ku/swh_ocean_mle3: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Named swh_20hz_ku_mle3 in GDR-D standard. All instrumental corrections included, i.e. modeled instrumental errors correction (/data_01/ku/swh_cor_ocean_mle3_model_instr) and system bias"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz Ku band corrected significant waveheight (MLE3 retracking)"
	attribute scale_factor = 0.001
	attribute standard_name = "sea_surface_wave_significant_height"
	attribute units = "m"
dataset /data_20/ku/swh_ocean_mle3_compression_qual: int8, shape (65312)
	attribute _FillValue = 127
	attribute comment = "Named swh_used_20hz_ku_mle3 in GDR-D standard. Map of valid points used to compute the 1 Hz Ku band significant waveheight"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute flag_meanings = "yes no"
	attribute flag_values = 0, 1
	attribute long_name = "20 Hz flag for utilization in the computation of 1 Hz Ku band significant waveheight (MLE3 retracking)"
dataset /data_20/ku/tracker_range_calibrated: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute add_offset = 1300000.0
	attribute comment = "Named tracker_20hz_ku in GDR-D standard. Ku band operating tracker (’Diode+DEM’ or ’Median’ or ’Split-Gate’ tracker). This includes the Distance antenna-COG (/data_01/range_cor_cog), USO drift correction (/data_01/range_cor_uso) and internal path correction (/data_01/ku/range_cor_internal_path). But not the Doppler correction (/data_01/ku/range_cor_doppler), modeled instrumental errors correction (/data_01/ku/range_cor_ocean_model_instr) and system bias"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz Ku band corrected tracker range"
	attribute scale_factor = 0.0001
	attribute standard_name = "altimeter_range"
	attribute units = "m"
dataset /data_20/ku/tracker_range_diode: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute add_offset = 1300000.0
	attribute comment = "Named tracker_diode_20hz_ku in GDR-D standard"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz Ku band tracker range from Diode+DEM"
	attribute scale_factor = 0.0001
	attribute standard_name = "altimeter_range"
	attribute units = "m"
dataset /data_20/ku/wvf_main_class: int8, shape (65312)
	attribute _FillValue = 127
	attribute comment = "Waveform classification : main class selected by classification neural network trained on shape features of the waveforms"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute flag_meanings = "brown_ocean peaky noise strong_peak brown_peak_trailing_edge brown_peak_leading_edge brown_flat_trailing_eadge peak_end trash brown_noise two_leading_edges shifted_brown brown_noise_leading_edge linear_positive_slope linear_negative_slope"
	attribute flag_values = 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 18
	attribute long_name = "20 Hz Ku band waveform main class"
dataset /data_20/ku/wvf_main_class_score: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Waveform classification : probability associated to the main class (between 0 and 100, 100=strongest probability)"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz Ku band waveform main class probability"
	attribute scale_factor = 0.01
dataset /data_20/ku/wvf_second_class: int8, shape (65312)
	attribute _FillValue = 127
	attribute comment = "Waveform classification : second class selected by classification neural network trained on shape features of the waveforms"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute flag_meanings = "brown_ocean peaky noise strong_peak brown_peak_trailing_edge brown_peak_leading_edge brown_flat_trailing_eadge peak_end trash brown_noise two_leading_edges shifted_brown brown_noise_leading_edge linear_positive_slope linear_negative_slope"
	attribute flag_values = 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 18
	attribute long_name = "20 Hz Ku band waveform second class"
dataset /data_20/ku/wvf_second_class_score: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Waveform classification : probability associated to the second class (between 0 and 100, 100=strongest probability)"
	attribute coordinates = "/data_20/longitude /data_20/latitude"
	attribute long_name = "20 Hz Ku band waveform second class probability"
	attribute scale_factor = 0.01
dataset /data_20/latitude: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute comment = "Named lat_20hz in GDR-D standard. Positive latitude is North latitude, negative latitude is South latitude. See Jason-3 User Handbook"
	attribute long_name = "20 Hz latitude"
	attribute scale_factor = 1e-06
	attribute standard_name = "latitude"
	attribute units = "degrees_north"
dataset /data_20/longitude: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute comment = "Named lon_20hz in GDR-D standard. East longitude relative to Greenwich meridian. See Jason-3 User Handbook"
	attribute long_name = "20 Hz longitude"
	attribute scale_factor = 1e-06
	attribute standard_name = "longitude"
	attribute units = "degrees_east"
dataset /data_20/meteo_measurement_altitude_interp_qual: int8, shape (65312)
	attribute _FillValue = 127
	attribute comment = "0 = interpolation from 4 points; 1 = interpolation from less than 4 points"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "good bad"
	attribute flag_values = 0, 1
	attribute long_name = "20 Hz meteorological data at measurement altitude interpolation flag"
dataset /data_20/model_dry_tropo_cor_measurement_altitude: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Computed at coarse DEM altitude (for O&IGDR) or precise measurement altitude (for GDR) 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-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute institution = "ECMWF"
	attribute long_name = "20 Hz model dry tropospheric correction at measurement altitude"
	attribute quality_flag = "meteo_measurement_altitude_interp_qual"
	attribute scale_factor = 0.0001
	attribute source = "European Center for Medium Range Weather Forecasting"
	attribute standard_name = "altimeter_range_correction_due_to_dry_troposphere"
	attribute units = "m"
dataset /data_20/model_wet_tropo_cor_measurement_altitude: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Computed at coarse DEM altitude (for O&IGDR) or precise measurement altitude (for GDR) 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-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute institution = "ECMWF"
	attribute long_name = "20 Hz model wet tropospheric correction at measurement altitude"
	attribute quality_flag = "meteo_measurement_altitude_interp_qual"
	attribute scale_factor = 0.0001
	attribute source = "European Center for Medium Range Weather Forecasting"
	attribute standard_name = "altimeter_range_correction_due_to_wet_troposphere"
	attribute units = "m"
dataset /data_20/surface_classification_flag: int8, shape (65312)
	attribute _FillValue = 127
	attribute comment = "Computed from a mask built with MODIS and GlobCover data"
	attribute coordinates = "longitude latitude"
	attribute flag_meanings = "open_ocean land continental_water aquatic_vegetation continental_ice_snow floating_ice salted_basin"
	attribute flag_values = 0, 1, 2, 3, 4, 5, 6
	attribute long_name = "20 Hz surface classification"
dataset /data_20/surface_slope_cor: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute comment = "The surface slope correction shall not be used with the mean sea surface (mean_sea_surface_cnescls or mean_sea_surface_dtu) provided in the product. See Jason-3 User Handbook"
	attribute coordinates = "longitude latitude"
	attribute long_name = "surface slope correction"
	attribute scale_factor = 0.0001
	attribute source = "Sandwell, D.T., Smith, W.H.F. Slope correction for ocean radar altimetry. J Geod 88, 765-771 (2014)."
	attribute units = "m"
dataset /data_20/time: float64, shape (65312)
	attribute calendar = "gregorian"
	attribute comment = "Named time_20hz in GDR-D standard. Time of measurement in seconds in the UTC time scale since 1 Jan 2000 00:00:00 UTC. [tai_utc_difference] is the difference between TAI and UTC reference time (seconds) for the first measurement of the data set. If a leap second occurs within the data set, the attribute [leap_second] is set to the UTC time at which the leap second occurs"
	attribute leap_second = "0000-00-00 00:00:00"
	attribute long_name = "time 20 Hz in UTC"
	attribute standard_name = "time"
	attribute tai_utc_difference = 37.0
	attribute units = "seconds since 2000-01-01 00:00:00.0"
dataset /data_20/time_tai: float64, shape (65312)
	attribute _FillValue = 1.8446744073709552e+19
	attribute calendar = "gregorian"
	attribute comment = "Time of measurement in seconds in the TAI time scale since 1 Jan 2000 00:00:00 TAI. This time scale contains no leap seconds. The difference (in seconds) with time in UTC is given by the attribute [time:tai_utc_difference]"
	attribute long_name = "time 20 Hz in TAI"
	attribute standard_name = "time"
	attribute units = "seconds since 2000-01-01 00:00:00.0"
dataset /data_20/tracker_range_counter: int32, shape (65312)
	attribute _FillValue = 2147483647
	attribute add_offset = 2147483648.0
	attribute comment = "Named tracker_counter_20hz in GDR-D standard. Tracker range counter with a resolution of 3.125/64 ns"
	attribute coordinates = "longitude latitude"
	attribute long_name = "20 Hz tracker range counter [3.125/64 ns]"
	attribute units = "count"
dataset /data_20/tracker_range_rate_counter: int16, shape (65312)
	attribute _FillValue = 32767
	attribute comment = "Named tracker_rate_counter_20hz in GDR-D standard. Tracker range rate counter with a resolution of 3.125/1024 ns"
	attribute coordinates = "longitude latitude"
	attribute long_name = "20 Hz tracker range rate counter [3.125/1024 ns]"
	attribute units = "count"
dataset /samples: int8, shape (104)
	attribute comment = "Named wvf_ind in GDR-D standard. Set to be compliant with the CF-1.7 convention"
	attribute long_name = "waveform index"
	attribute units = "count"