NetCDF format

List of Jason-1 parameters in Netcdf format

All jason-1 data provided in GDR-like netCDF format. 

The data have 3 origins :

 

All these data are described bellow (including some global attributs).

 

Data from original GDR : (go back top of page)

netcdf JA1_GPN_2PcP258_002_20090106_134852_20090106_144504 {
dimensions:
	time = 2221 ;
	meas_ind = 20 ;
variables:
	double time(time) ;
		time:long_name = "time (sec. since 2000-01-01)" ;
		time:standard_name = "time" ;
		time:calendar = "gregorian" ;
		time:tai_utc_difference = 34. ;
		time:leap_second = "0000-00-00T00:00:00.000000" ;
		time:units = "seconds since 2000-01-01 00:00:00.0" ;
		time:comment = "[tai_utc_difference] is the difference between TAI and UTC reference time (seconds) for the first measurement of the data set. [leap_second] is the UTC time at which a leap second occurs in the data set, if any. After this UTC time, the tai_utc_difference is increased by 1 second." ;
	byte meas_ind(meas_ind) ;
		meas_ind:long_name = "elementary measurement index" ;
		meas_ind:units = "count" ;
		meas_ind:comment = "Set to be compliant with the CF-1.1 convention" ;
	double time_20hz(time, meas_ind) ;
		time_20hz:_FillValue = 1.84467440737096e+19 ;
		time_20hz:long_name = "time 20 Hz (sec. since 2000-01-01)" ;
		time_20hz:standard_name = "time" ;
		time_20hz:calendar = "gregorian" ;
		time_20hz:tai_utc_difference = 34. ;
		time_20hz:leap_second = "0000-00-00T00:00:00.000000" ;
		time_20hz:units = "seconds since 2000-01-01 00:00:00.0" ;
		time_20hz:comment = "[tai_utc_difference] is the difference between TAI and UTC reference time (seconds) for the first measurement of the data set. [leap_second] is the UTC time at which a leap second occurs in the data set, if any. After this UTC time, the tai_utc_difference is increased by 1 second." ;
	int lat(time) ;
		lat:long_name = "latitude" ;
		lat:standard_name = "latitude" ;
		lat:units = "degrees_north" ;
		lat:quality_flag = "orb_state_flag_rest" ;
		lat:scale_factor = 1.e-06 ;
		lat:comment = "Positive latitude is North latitude, negative latitude is South latitude. See Jason-1 User Handbook" ;
	int lon(time) ;
		lon:long_name = "longitude" ;
		lon:standard_name = "longitude" ;
		lon:units = "degrees_east" ;
		lon:quality_flag = "orb_state_flag_rest" ;
		lon:scale_factor = 1.e-06 ;
		lon:comment = "East longitude relative to Greenwhich meridian. See Jason-1 User Handbook" ;
	int lon_20hz(time, meas_ind) ;
		lon_20hz:_FillValue = 2147483647 ;
		lon_20hz:long_name = "20 Hz longitude" ;
		lon_20hz:standard_name = "longitude" ;
		lon_20hz:units = "degrees_east" ;
		lon_20hz:scale_factor = 1.e-06 ;
		lon_20hz:comment = "East longitude relative to Greenwhich meridian.See Jason-1 User Handbook" ;
	int lat_20hz(time, meas_ind) ;
		lat_20hz:_FillValue = 2147483647 ;
		lat_20hz:long_name = "20 Hz latitude" ;
		lat_20hz:standard_name = "latitude" ;
		lat_20hz:units = "degrees_north" ;
		lat_20hz:scale_factor = 1.e-06 ;
		lat_20hz:comment = "Positive latitude is North latitude, negative latitude is South latitude. See Jason-1 User Handbook" ;
	byte surface_type(time) ;
		surface_type:_FillValue = 127b ;
		surface_type:long_name = "surface type" ;
		surface_type:flag_values = 0b, 1b, 2b, 3b ;
		surface_type:flag_meanings = "ocean lake_enclosed_sea ice land" ;
		surface_type:coordinates = "lon lat" ;
		surface_type:comment = "Computed using a DTM2000 file: 0= open oceans or semi-enclosed seas; 1= enclosed seas or lakes; 2= continental ice; 3= land. See Jason-1 User Handbook" ;
	byte alt_echo_type(time) ;
		alt_echo_type:_FillValue = 127b ;
		alt_echo_type:long_name = "altimeter echo type" ;
		alt_echo_type:flag_values = 0b, 1b ;
		alt_echo_type:flag_meanings = "ocean_like non_ocean_like" ;
		alt_echo_type:coordinates = "lon lat" ;
		alt_echo_type:comment = "The altimeter echo type is determined by testing the rms of the high rate range measurements against a threshold as well as the number of valid high rate range measurements against a minimum value" ;
	byte rad_surf_type(time) ;
		rad_surf_type:_FillValue = 127b ;
		rad_surf_type:long_name = "radiometer surface type" ;
		rad_surf_type:flag_values = 0b, 1b ;
		rad_surf_type:flag_meanings = "ocean land" ;
		rad_surf_type:coordinates = "lon lat" ;
	byte qual_alt_1hz_range_ku(time) ;
		qual_alt_1hz_range_ku:_FillValue = 127b ;
		qual_alt_1hz_range_ku:long_name = "quality flag for 1 Hz altimeter data: Ku band range" ;
		qual_alt_1hz_range_ku:flag_values = 0b, 1b ;
		qual_alt_1hz_range_ku:flag_meanings = "Good Bad" ;
		qual_alt_1hz_range_ku:coordinates = "lon lat" ;
	byte qual_alt_1hz_range_c(time) ;
		qual_alt_1hz_range_c:_FillValue = 127b ;
		qual_alt_1hz_range_c:long_name = "quality flag for 1 Hz altimeter data: C band range" ;
		qual_alt_1hz_range_c:flag_values = 0b, 1b ;
		qual_alt_1hz_range_c:flag_meanings = "Good Bad" ;
		qual_alt_1hz_range_c:coordinates = "lon lat" ;
	byte qual_alt_1hz_swh_ku(time) ;
		qual_alt_1hz_swh_ku:_FillValue = 127b ;
		qual_alt_1hz_swh_ku:long_name = "quality flag for 1 Hz altimeter data: Ku band SWH" ;
		qual_alt_1hz_swh_ku:flag_values = 0b, 1b ;
		qual_alt_1hz_swh_ku:flag_meanings = "Good Bad" ;
		qual_alt_1hz_swh_ku:coordinates = "lon lat" ;
	byte qual_alt_1hz_swh_c(time) ;
		qual_alt_1hz_swh_c:_FillValue = 127b ;
		qual_alt_1hz_swh_c:long_name = "quality flag for 1 Hz altimeter data: C band SWH" ;
		qual_alt_1hz_swh_c:flag_values = 0b, 1b ;
		qual_alt_1hz_swh_c:flag_meanings = "Good Bad" ;
		qual_alt_1hz_swh_c:coordinates = "lon lat" ;
	byte qual_alt_1hz_sig0_ku(time) ;
		qual_alt_1hz_sig0_ku:_FillValue = 127b ;
		qual_alt_1hz_sig0_ku:long_name = "quality flag for 1 Hz altimeter data: Ku band backscatter coefficient" ;
		qual_alt_1hz_sig0_ku:flag_values = 0b, 1b ;
		qual_alt_1hz_sig0_ku:flag_meanings = "Good Bad" ;
		qual_alt_1hz_sig0_ku:coordinates = "lon lat" ;
	byte qual_alt_1hz_sig0_c(time) ;
		qual_alt_1hz_sig0_c:_FillValue = 127b ;
		qual_alt_1hz_sig0_c:long_name = "quality flag for 1 Hz altimeter data: C band backscatter coefficient" ;
		qual_alt_1hz_sig0_c:flag_values = 0b, 1b ;
		qual_alt_1hz_sig0_c:flag_meanings = "Good Bad" ;
		qual_alt_1hz_sig0_c:coordinates = "lon lat" ;
	byte qual_alt_1hz_off_nadir_angle_wf_ku(time) ;
		qual_alt_1hz_off_nadir_angle_wf_ku:_FillValue = 127b ;
		qual_alt_1hz_off_nadir_angle_wf_ku:long_name = "quality flag for 1 Hz altimeter data: off nadir angle from Ku band" ;
		qual_alt_1hz_off_nadir_angle_wf_ku:flag_values = 0b, 1b ;
		qual_alt_1hz_off_nadir_angle_wf_ku:flag_meanings = "Good Bad" ;
		qual_alt_1hz_off_nadir_angle_wf_ku:coordinates = "lon lat" ;
	byte qual_alt_1hz_off_nadir_angle_pf(time) ;
		qual_alt_1hz_off_nadir_angle_pf:_FillValue = 127b ;
		qual_alt_1hz_off_nadir_angle_pf:long_name = "quality flag for 1 Hz altimeter data: off nadir angle from platform" ;
		qual_alt_1hz_off_nadir_angle_pf:flag_values = 0b, 1b ;
		qual_alt_1hz_off_nadir_angle_pf:flag_meanings = "Good Bad" ;
		qual_alt_1hz_off_nadir_angle_pf:coordinates = "lon lat" ;
	byte qual_inst_corr_1hz_range_ku(time) ;
		qual_inst_corr_1hz_range_ku:_FillValue = 127b ;
		qual_inst_corr_1hz_range_ku:long_name = "quality flag for 1 Hz instrumental correction: Ku band range" ;
		qual_inst_corr_1hz_range_ku:flag_values = 0b, 1b ;
		qual_inst_corr_1hz_range_ku:flag_meanings = "Good Bad" ;
		qual_inst_corr_1hz_range_ku:coordinates = "lon lat" ;
	byte qual_inst_corr_1hz_range_c(time) ;
		qual_inst_corr_1hz_range_c:_FillValue = 127b ;
		qual_inst_corr_1hz_range_c:long_name = "quality flag for 1 Hz instrumental correction: C band range" ;
		qual_inst_corr_1hz_range_c:flag_values = 0b, 1b ;
		qual_inst_corr_1hz_range_c:flag_meanings = "Good Bad" ;
		qual_inst_corr_1hz_range_c:coordinates = "lon lat" ;
	byte qual_inst_corr_1hz_swh_ku(time) ;
		qual_inst_corr_1hz_swh_ku:_FillValue = 127b ;
		qual_inst_corr_1hz_swh_ku:long_name = "quality flag for 1 Hz instrumental correction: Ku band SWH" ;
		qual_inst_corr_1hz_swh_ku:flag_values = 0b, 1b ;
		qual_inst_corr_1hz_swh_ku:flag_meanings = "Good Bad" ;
		qual_inst_corr_1hz_swh_ku:coordinates = "lon lat" ;
	byte qual_inst_corr_1hz_swh_c(time) ;
		qual_inst_corr_1hz_swh_c:_FillValue = 127b ;
		qual_inst_corr_1hz_swh_c:long_name = "quality flag for 1 Hz instrumental correction: C band SWH" ;
		qual_inst_corr_1hz_swh_c:flag_values = 0b, 1b ;
		qual_inst_corr_1hz_swh_c:flag_meanings = "Good Bad" ;
		qual_inst_corr_1hz_swh_c:coordinates = "lon lat" ;
	byte qual_inst_corr_1hz_sig0_ku(time) ;
		qual_inst_corr_1hz_sig0_ku:_FillValue = 127b ;
		qual_inst_corr_1hz_sig0_ku:long_name = "quality flag for 1 Hz instrumental correction: Ku band backscatter coefficient" ;
		qual_inst_corr_1hz_sig0_ku:flag_values = 0b, 1b ;
		qual_inst_corr_1hz_sig0_ku:flag_meanings = "Good Bad" ;
		qual_inst_corr_1hz_sig0_ku:coordinates = "lon lat" ;
	byte qual_inst_corr_1hz_sig0_c(time) ;
		qual_inst_corr_1hz_sig0_c:_FillValue = 127b ;
		qual_inst_corr_1hz_sig0_c:long_name = "quality flag for 1 Hz instrumental correction: C band backscatter coefficient" ;
		qual_inst_corr_1hz_sig0_c:flag_values = 0b, 1b ;
		qual_inst_corr_1hz_sig0_c:flag_meanings = "Good Bad" ;
		qual_inst_corr_1hz_sig0_c:coordinates = "lon lat" ;
	byte qual_rad_1hz_tb187(time) ;
		qual_rad_1hz_tb187:_FillValue = 127b ;
		qual_rad_1hz_tb187:long_name = "quality flag for 1 Hz radiometer data: 18.7 GHz brightness temperature" ;
		qual_rad_1hz_tb187:flag_values = 0b, 1b ;
		qual_rad_1hz_tb187:flag_meanings = "Good Bad" ;
		qual_rad_1hz_tb187:coordinates = "lon lat" ;
	byte qual_rad_1hz_tb238(time) ;
		qual_rad_1hz_tb238:_FillValue = 127b ;
		qual_rad_1hz_tb238:long_name = "quality flag for 1 Hz radiometer data: 23.8 GHz brightness temperature" ;
		qual_rad_1hz_tb238:flag_values = 0b, 1b ;
		qual_rad_1hz_tb238:flag_meanings = "Good Bad" ;
		qual_rad_1hz_tb238:coordinates = "lon lat" ;
	byte qual_rad_1hz_tb340(time) ;
		qual_rad_1hz_tb340:_FillValue = 127b ;
		qual_rad_1hz_tb340:long_name = "quality flag for 1 Hz radiometer data: 34 GHz brightness temperature" ;
		qual_rad_1hz_tb340:flag_values = 0b, 1b ;
		qual_rad_1hz_tb340:flag_meanings = "Good Bad" ;
		qual_rad_1hz_tb340:coordinates = "lon lat" ;
	byte alt_state_flag_oper(time) ;
		alt_state_flag_oper:_FillValue = 127b ;
		alt_state_flag_oper:long_name = "altimeter state flag: altimeter operating" ;
		alt_state_flag_oper:flag_values = 0b, 1b ;
		alt_state_flag_oper:flag_meanings = "SideA   SideB" ;
		alt_state_flag_oper:coordinates = "lon lat" ;
		alt_state_flag_oper:comment = "Side A = nominal; Side B = redondancy" ;
	byte alt_state_flag_c_band(time) ;
		alt_state_flag_c_band:_FillValue = 127b ;
		alt_state_flag_c_band:long_name = "altimeter state flag: C bandwidth used" ;
		alt_state_flag_c_band:flag_values = 0b, 1b ;
		alt_state_flag_c_band:flag_meanings = "320MHz 100MHz" ;
		alt_state_flag_c_band:coordinates = "lon lat" ;
	byte alt_state_flag_band_seq(time) ;
		alt_state_flag_band_seq:_FillValue = 127b ;
		alt_state_flag_band_seq:long_name = "altimeter state flag: KU/C band sequencing" ;
		alt_state_flag_band_seq:flag_values = 0b, 1b ;
		alt_state_flag_band_seq:flag_meanings = "3Ku_1C_3Ku 2Ku_1C_2Ku" ;
		alt_state_flag_band_seq:coordinates = "lon lat" ;
	byte alt_state_flag_ku_band_status(time) ;
		alt_state_flag_ku_band_status:_FillValue = 127b ;
		alt_state_flag_ku_band_status:long_name = "altimeter state flag: Ku band status" ;
		alt_state_flag_ku_band_status:flag_values = 0b, 1b ;
		alt_state_flag_ku_band_status:flag_meanings = "On Off" ;
		alt_state_flag_ku_band_status:coordinates = "lon lat" ;
	byte alt_state_flag_c_band_status(time) ;
		alt_state_flag_c_band_status:_FillValue = 127b ;
		alt_state_flag_c_band_status:long_name = "altimeter state flag: C band status" ;
		alt_state_flag_c_band_status:flag_values = 0b, 1b ;
		alt_state_flag_c_band_status:flag_meanings = "On Off" ;
		alt_state_flag_c_band_status:coordinates = "lon lat" ;
	byte alt_state_flag_acq_mode_20hz(time, meas_ind) ;
		alt_state_flag_acq_mode_20hz:_FillValue = 127b ;
		alt_state_flag_acq_mode_20hz:long_name = "20 Hz altimeter state flag: acquisition mode" ;
		alt_state_flag_acq_mode_20hz:flag_values = 0b, 1b, 2b ;
		alt_state_flag_acq_mode_20hz:flag_meanings = "autonomous_acq/track autonomous_DIODEacq/track DIODE+DEM/track" ;
		alt_state_flag_acq_mode_20hz:coordinates = "lon_20hz lat_20hz" ;
		alt_state_flag_acq_mode_20hz:comment = "0 = autonomous acquisition / tracking, 1 = autonomous DIODE acquisition / tracking, 2 = DIODE + Digital Elevation Model tracking" ;
	byte rad_state_flag_oper(time) ;
		rad_state_flag_oper:_FillValue = 127b ;
		rad_state_flag_oper:long_name = "radiometer state flag: radiometer operating" ;
		rad_state_flag_oper:flag_values = 0b, 1b ;
		rad_state_flag_oper:flag_meanings = "SideA SideB" ;
		rad_state_flag_oper:coordinates = "lon lat" ;
		rad_state_flag_oper:comment = "Side A = nominal; Side B = redondancy" ;
	byte orb_state_flag_diode(time) ;
		orb_state_flag_diode:_FillValue = 127b ;
		orb_state_flag_diode:long_name = "orbit state flag: DIODE on board software" ;
		orb_state_flag_diode:flag_values = 0b, 1b, 2b, 3b, 4b, 5b, 6b, 7b, 8b, 9b ;
		orb_state_flag_diode:flag_meanings = "E<0,30> E<30,60> E<60,90> E<90,120> E<120,150> E<150,180> E<180,210> E<210,240> E<240,270> E>270" ;
		orb_state_flag_diode:coordinates = "lon lat" ;
		orb_state_flag_diode:comment = "E= Three dimensional error estimate of the navigator orbit range (cm)" ;
	byte orb_state_flag_rest(time) ;
		orb_state_flag_rest:_FillValue = 127b ;
		orb_state_flag_rest:long_name = "orbit state flag: restituted orbit" ;
		orb_state_flag_rest:flag_values = 0b, 1b, 2b, 3b, 4b, 5b, 6b, 7b, 8b, 9b ;
		orb_state_flag_rest: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" ;
		orb_state_flag_rest:coordinates = "lon lat" ;
		orb_state_flag_rest:comment = "0 characterizes a mission operation 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 just after a maneuver, 9 stands for the DORIS DIODE navigator orbit. The nominal value is 3." ;
	byte ecmwf_meteo_map_avail(time) ;
		ecmwf_meteo_map_avail:_FillValue = 127b ;
		ecmwf_meteo_map_avail:long_name = "ECMWF meteorological map availability" ;
		ecmwf_meteo_map_avail:flag_values = 0b, 1b, 2b, 3b ;
		ecmwf_meteo_map_avail:flag_meanings = "2_maps_nominal 2_maps_degraded 1_map_extropolated no_map" ;
		ecmwf_meteo_map_avail:coordinates = "lon lat" ;
		ecmwf_meteo_map_avail:comment = "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\', extrapolation used, 3 meaning \'no map\'. Given the latest definition of the meteorological field processing algorithms, this flag will always be set to 0." ;
	byte rain_flag(time) ;
		rain_flag:_FillValue = 127b ;
		rain_flag:long_name = "rain flag" ;
		rain_flag:flag_values = 0b, 1b ;
		rain_flag:flag_meanings = "no_rain rain" ;
		rain_flag:coordinates = "lon lat" ;
		rain_flag:comment = "See Jason-1 User Handbook" ;
	byte ice_flag(time) ;
		ice_flag:_FillValue = 127b ;
		ice_flag:long_name = "ice flag" ;
		ice_flag:flag_values = 0b, 1b ;
		ice_flag:flag_meanings = "no_ice ice" ;
		ice_flag:coordinates = "lon lat" ;
		ice_flag:comment = "See Jason-1 User Handbook" ;
	byte interp_flag_tb(time) ;
		interp_flag_tb:_FillValue = 127b ;
		interp_flag_tb:long_name = "radiometer brightness temperatures interpolation" ;
		interp_flag_tb:flag_values = 0b, 1b, 2b, 3b ;
		interp_flag_tb:flag_meanings = "good interpolation_with_gap extrapolation fail" ;
		interp_flag_tb:coordinates = "lon lat" ;
		interp_flag_tb:comment = "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" ;
	byte interp_flag_mss(time) ;
		interp_flag_mss:_FillValue = 127b ;
		interp_flag_mss:long_name = "MSS interpolation flag" ;
		interp_flag_mss:flag_values = 0b, 1b ;
		interp_flag_mss:flag_meanings = "Good Bad" ;
		interp_flag_mss:coordinates = "lon lat" ;
	byte interp_flag_mdt(time) ;
		interp_flag_mdt:_FillValue = 127b ;
		interp_flag_mdt:long_name = "MDT interpolation flag" ;
		interp_flag_mdt:flag_values = 0b, 1b ;
		interp_flag_mdt:flag_meanings = "Good Bad" ;
		interp_flag_mdt:coordinates = "lon lat" ;
	byte interp_flag_ocean_tide_sol1(time) ;
		interp_flag_ocean_tide_sol1:_FillValue = 127b ;
		interp_flag_ocean_tide_sol1:long_name = "ocean tide solution 1 interpolation flag" ;
		interp_flag_ocean_tide_sol1:flag_values = 0b, 1b ;
		interp_flag_ocean_tide_sol1:flag_meanings = "Good Bad" ;
		interp_flag_ocean_tide_sol1:coordinates = "lon lat" ;
		interp_flag_ocean_tide_sol1:comment = "0 = 4 points over ocean; 1 = l less than 4 points" ;
	byte interp_flag_ocean_tide_sol2(time) ;
		interp_flag_ocean_tide_sol2:_FillValue = 127b ;
		interp_flag_ocean_tide_sol2:long_name = "ocean tide solution 2 interpolation flag" ;
		interp_flag_ocean_tide_sol2:flag_values = 0b, 1b ;
		interp_flag_ocean_tide_sol2:flag_meanings = "Good Bad" ;
		interp_flag_ocean_tide_sol2:coordinates = "lon lat" ;
		interp_flag_ocean_tide_sol2:comment = "0 = 4 points over ocean; 1 = l less than 4 points" ;
	byte interp_flag_meteo(time) ;
		interp_flag_meteo:_FillValue = 127b ;
		interp_flag_meteo:long_name = "meteorological data interpolation flag" ;
		interp_flag_meteo:flag_values = 0b, 1b ;
		interp_flag_meteo:flag_meanings = "Good Bad" ;
		interp_flag_meteo:coordinates = "lon lat" ;
	int alt(time) ;
		alt:_FillValue = 2147483647 ;
		alt:long_name = "1 Hz altitude of satellite" ;
		alt:standard_name = "height_above_reference_ellipsoid" ;
		alt:units = "m" ;
		alt:quality_flag = "orb_state_flag_rest" ;
		alt:add_offset = 1300000. ;
		alt:scale_factor = 0.0001 ;
		alt:coordinates = "lon lat" ;
		alt:comment = "Altitude of satellite above the reference ellipsoid" ;
	int alt_20hz(time, meas_ind) ;
		alt_20hz:_FillValue = 2147483647 ;
		alt_20hz:long_name = "20 Hz altitude of satellite" ;
		alt_20hz:standard_name = "height_above_reference_ellipsoid" ;
		alt_20hz:units = "m" ;
		alt_20hz:add_offset = 1300000. ;
		alt_20hz:scale_factor = 0.0001 ;
		alt_20hz:coordinates = "lon_20hz lat_20hz" ;
		alt_20hz:comment = "Altitude of satellite above reference ellipsoid" ;
	short orb_alt_rate(time) ;
		orb_alt_rate:_FillValue = 32767s ;
		orb_alt_rate:long_name = "1 Hz orbital altitude rate" ;
		orb_alt_rate:units = "m/s" ;
		orb_alt_rate:scale_factor = 0.01 ;
		orb_alt_rate:coordinates = "lon lat" ;
		orb_alt_rate:comment = "The reference surface for the orbital altitude rate is the combined MSS/geoid surface. It is used to compute the Doppler correction on the altimeter range (doppler_corr_ku, doppler_corr_c)" ;
	int range_ku(time) ;
		range_ku:_FillValue = 2147483647 ;
		range_ku:long_name = "1 Hz Ku band corrected altimeter range" ;
		range_ku:standard_name = "altimeter_range" ;
		range_ku:units = "m" ;
		range_ku:quality_flag = "qual_alt_1hz_range_ku" ;
		range_ku:add_offset = 1300000. ;
		range_ku:scale_factor = 0.0001 ;
		range_ku:coordinates = "lon lat" ;
		range_ku:comment = "All instrumental corrections included, i.e. distance antenna-COG (cog_corr), USO drift correction (uso_corr), internal path correction (internal_path_delay_corr_ku), Doppler correction (doppler_corr_ku), modeled instrumental errors corrections (modeled_instr_corr_ku) and system bias" ;
	int range_20hz_ku(time, meas_ind) ;
		range_20hz_ku:_FillValue = 2147483647 ;
		range_20hz_ku:long_name = "20 Hz Ku band altimeter range" ;
		range_20hz_ku:standard_name = "altimeter_range" ;
		range_20hz_ku:units = "m" ;
		range_20hz_ku:add_offset = 1300000. ;
		range_20hz_ku:scale_factor = 0.0001 ;
		range_20hz_ku:coordinates = "lon_20hz lat_20hz" ;
		range_20hz_ku:comment = "All instrumental corrections included, i.e. distance antenna-COG (cog_corr), USO drift correction (uso_corr), internal path correction (internal_path_delay_corr_ku), Doppler correction (doppler_corr_ku), modeled instrumental errors corrections (modeled_instr_corr_ku) and system bias" ;
	int range_c(time) ;
		range_c:_FillValue = 2147483647 ;
		range_c:long_name = "1 Hz C band corrected altimeter range" ;
		range_c:standard_name = "altimeter_range" ;
		range_c:units = "m" ;
		range_c:quality_flag = "qual_alt_1hz_range_c" ;
		range_c:add_offset = 1300000. ;
		range_c:scale_factor = 0.0001 ;
		range_c:coordinates = "lon lat" ;
		range_c:comment = "All instrumental corrections included, i.e. distance antenna-COG (cog_corr), USO drift correction (uso_corr), internal path correction (internal_path_delay_corr_c), Doppler correction (doppler_corr_c), modeled instrumental errors corrections (modeled_instr_corr_c) and system bias" ;
	int range_20hz_c(time, meas_ind) ;
		range_20hz_c:_FillValue = 2147483647 ;
		range_20hz_c:long_name = "20 Hz C band altimeter range" ;
		range_20hz_c:standard_name = "altimeter_range" ;
		range_20hz_c:units = "m" ;
		range_20hz_c:add_offset = 1300000. ;
		range_20hz_c:scale_factor = 0.0001 ;
		range_20hz_c:coordinates = "lon_20hz lat_20hz" ;
		range_20hz_c:comment = "All instrumental corrections included, i.e. distance antenna-COG (cog_corr), USO drift correction (uso_corr), internal path correction (internal_path_delay_corr_c), Doppler correction (doppler_corr_c), modeled instrumental errors corrections (modeled_instr_corr_c) and system bias" ;
	byte range_used_for_20hz_ku(time, meas_ind) ;
		range_used_for_20hz_ku:_FillValue = 127b ;
		range_used_for_20hz_ku:long_name = "20 Hz flag for utilization in the computation of 1 Hz Ku band range" ;
		range_used_for_20hz_ku:flag_values = 0b, 1b ;
		range_used_for_20hz_ku:flag_meanings = "Yes No" ;
		range_used_for_20hz_ku:coordinates = "lon_20hz lat_20hz" ;
		range_used_for_20hz_ku:comment = "Map of valid points used to compute the 1-Hz Ku band altimeter range" ;
	byte range_used_for_20hz_c(time, meas_ind) ;
		range_used_for_20hz_c:_FillValue = 127b ;
		range_used_for_20hz_c:long_name = "20 Hz flag for utilization in the computation of 1 Hz C band range" ;
		range_used_for_20hz_c:flag_values = 0b, 1b ;
		range_used_for_20hz_c:flag_meanings = "Yes No" ;
		range_used_for_20hz_c:coordinates = "lon_20hz lat_20hz" ;
		range_used_for_20hz_c:comment = "Map of valid points used to compute the 1-Hz C band altimeter range" ;
	short range_rms_ku(time) ;
		range_rms_ku:_FillValue = 32767s ;
		range_rms_ku:long_name = "RMS of the Ku band range" ;
		range_rms_ku:units = "m" ;
		range_rms_ku:scale_factor = 0.0001 ;
		range_rms_ku:coordinates = "lon lat" ;
		range_rms_ku: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" ;
	short range_rms_c(time) ;
		range_rms_c:_FillValue = 32767s ;
		range_rms_c:long_name = "RMS of the C band range" ;
		range_rms_c:units = "m" ;
		range_rms_c:scale_factor = 0.0001 ;
		range_rms_c:coordinates = "lon lat" ;
		range_rms_c:comment = "Compression of C-band high rate elements is preceded by a detection of outliers. Only valid high rate values are used to compute this element" ;
	byte range_numval_ku(time) ;
		range_numval_ku:_FillValue = 127b ;
		range_numval_ku:long_name = "number of valid points for Ku band range" ;
		range_numval_ku:units = "count" ;
		range_numval_ku:valid_min = 0b ;
		range_numval_ku:valid_max = 20b ;
		range_numval_ku:coordinates = "lon lat" ;
	byte range_numval_c(time) ;
		range_numval_c:_FillValue = 127b ;
		range_numval_c:long_name = "number of valid points for C band range" ;
		range_numval_c:units = "count" ;
		range_numval_c:valid_min = 0b ;
		range_numval_c:valid_max = 20b ;
		range_numval_c:coordinates = "lon lat" ;
	byte number_of_iterations_ku(time, meas_ind) ;
		number_of_iterations_ku:_FillValue = 127b ;
		number_of_iterations_ku:long_name = "2O Hz number of iterations of the ocean retracking in Ku band" ;
		number_of_iterations_ku:units = "count" ;
		number_of_iterations_ku:coordinates = "lon_20hz lat_20hz" ;
	byte number_of_iterations_c(time, meas_ind) ;
		number_of_iterations_c:_FillValue = 127b ;
		number_of_iterations_c:long_name = "2O Hz number of iterations of the ocean retracking in C band" ;
		number_of_iterations_c:units = "count" ;
		number_of_iterations_c:coordinates = "lon_20hz lat_20hz" ;
	int net_instr_corr_range_ku(time) ;
		net_instr_corr_range_ku:_FillValue = 2147483647 ;
		net_instr_corr_range_ku:long_name = "net instrumental correction on the Ku band range" ;
		net_instr_corr_range_ku:units = "m" ;
		net_instr_corr_range_ku:quality_flag = "qual_inst_corr_1hz_range_ku" ;
		net_instr_corr_range_ku:scale_factor = 0.0001 ;
		net_instr_corr_range_ku:coordinates = "lon lat" ;
		net_instr_corr_range_ku:comment = "Sum of distance antenna-COG (cog_corr), USO drift_correction (uso_corr), internal path correction (internal_path_delay_corr_ku), Doppler correction (doppler_corr_ku), modeled instrumental errors correction (modeled_instr_corr_range_ku) and system bias" ;
	int net_instr_corr_range_c(time) ;
		net_instr_corr_range_c:_FillValue = 2147483647 ;
		net_instr_corr_range_c:long_name = "net instrumental correction on the C band range" ;
		net_instr_corr_range_c:units = "m" ;
		net_instr_corr_range_c:quality_flag = "qual_inst_corr_1hz_range_c" ;
		net_instr_corr_range_c:scale_factor = 0.0001 ;
		net_instr_corr_range_c:coordinates = "lon lat" ;
		net_instr_corr_range_c:comment = "Sum of distance antenna-COG (cog_corr), USO drift_correction (uso_corr), internal path correction (internal_path_delay_corr_c), Doppler correction (doppler_corr_c), modeled instrumental errors correction (modeled_instr_corr_range_c) and system bias" ;
	short model_dry_tropo_corr(time) ;
		model_dry_tropo_corr:_FillValue = 32767s ;
		model_dry_tropo_corr:long_name = "model dry tropospheric correction" ;
		model_dry_tropo_corr:standard_name = "altimeter_range_correction_due_to_dry_troposhere" ;
		model_dry_tropo_corr:source = "ECMWF_T511" ;
		model_dry_tropo_corr:institution = "ECMWF" ;
		model_dry_tropo_corr:units = "m" ;
		model_dry_tropo_corr:quality_flag = "interp_flag_meteo" ;
		model_dry_tropo_corr:scale_factor = 0.0001 ;
		model_dry_tropo_corr:coordinates = "lon lat" ;
		model_dry_tropo_corr:comment = "Computed at the altimeter time-tag from the interpolation of 2 meteorological fields that surround the altimeter time-tag. A dry tropospheric correction must be added (negative value) to the instrument range to correct this range measurement for dry tropospheric range delays of the radar pulse. See Jason-1 User Handbook" ;
	short model_wet_tropo_corr(time) ;
		model_wet_tropo_corr:_FillValue = 32767s ;
		model_wet_tropo_corr:long_name = "model wet tropospheric correction" ;
		model_wet_tropo_corr:standard_name = "altimeter_range_correction_due_to_wet_troposhere" ;
		model_wet_tropo_corr:source = "ECMWF_T511" ;
		model_wet_tropo_corr:institution = "ECMWF" ;
		model_wet_tropo_corr:units = "m" ;
		model_wet_tropo_corr:quality_flag = "interp_flag_meteo" ;
		model_wet_tropo_corr:scale_factor = 0.0001 ;
		model_wet_tropo_corr:coordinates = "lon lat" ;
		model_wet_tropo_corr:comment = "Computed at the altimeter time-tag from the interpolation of 2 meteorological fields that surround the altimeter time-tag. A wet tropospheric correction must be added (negative value) to the instrument range to correct this range measurement for wet tropospheric range delays of the radar pulse. See Jason-1 User Handbook" ;
	short rad_wet_tropo_corr(time) ;
		rad_wet_tropo_corr:_FillValue = 32767s ;
		rad_wet_tropo_corr:long_name = "radiometer wet tropospheric correction" ;
		rad_wet_tropo_corr:standard_name = "altimeter_range_correction_due_to_wet_troposhere" ;
		rad_wet_tropo_corr:source = "JMR" ;
		rad_wet_tropo_corr:institution = "NASA/JPL" ;
		rad_wet_tropo_corr:units = "m" ;
		rad_wet_tropo_corr:quality_flag = "qual_rad_1hz_tb187 and qual_rad_1hz_tb238 and qual_rad_1hz_tb340 interp_flag_tb" ;
		rad_wet_tropo_corr:scale_factor = 0.0001 ;
		rad_wet_tropo_corr:coordinates = "lon lat" ;
		rad_wet_tropo_corr:comment = "A wet tropospheric correction must be added (negative value) to the instrument range to correct this range measurement for wet tropospheric range delays of the radar pulse" ;
	short iono_corr_alt_ku(time) ;
		iono_corr_alt_ku:_FillValue = 32767s ;
		iono_corr_alt_ku:long_name = "altimeter ionospheric correction on Ku band" ;
		iono_corr_alt_ku:standard_name = "altimeter_range_correction_due_to_ionosphere" ;
		iono_corr_alt_ku:source = "POSEIDON-2" ;
		iono_corr_alt_ku:institution = "CNES" ;
		iono_corr_alt_ku:units = "m" ;
		iono_corr_alt_ku:scale_factor = 0.0001 ;
		iono_corr_alt_ku:coordinates = "lon lat" ;
		iono_corr_alt_ku:comment = "An ionospheric correction must be added (negative value) to the instrument range to correct this range measurement for ionospheric range delays of the radar pulse. See Jason-1 User Handbook" ;
	short iono_corr_gim_ku(time) ;
		iono_corr_gim_ku:_FillValue = 32767s ;
		iono_corr_gim_ku:long_name = "GIM ionospheric correction on Ku band" ;
		iono_corr_gim_ku:standard_name = "altimeter_range_correction_due_to_ionosphere" ;
		iono_corr_gim_ku:source = "JA1_ION_AXPCNE20090107_084422_20090106_000000_20090106_235959" ;
		iono_corr_gim_ku:institution = "NASA/JPL" ;
		iono_corr_gim_ku:units = "m" ;
		iono_corr_gim_ku:scale_factor = 0.0001 ;
		iono_corr_gim_ku:coordinates = "lon lat" ;
		iono_corr_gim_ku:comment = "An ionospheric correction must be added (negative value) to the instrument range to correct this range measurement for ionospheric range delays of the radar pulse. See Jason-1 User Handbook" ;
	short sea_state_bias_ku(time) ;
		sea_state_bias_ku:_FillValue = 32767s ;
		sea_state_bias_ku:long_name = "sea state bias correction in Ku band" ;
		sea_state_bias_ku:standard_name = "sea_surface_height_bias_due_to_sea_surface_roughness" ;
		sea_state_bias_ku:source = "SMM_SSB_AXVCNE20080401_090000_19900101_000000_20301231_235959" ;
		sea_state_bias_ku:institution = "CNES" ;
		sea_state_bias_ku:units = "m" ;
		sea_state_bias_ku:scale_factor = 0.0001 ;
		sea_state_bias_ku:coordinates = "lon lat" ;
		sea_state_bias_ku: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. See Jason-1 User Handbook" ;
	short sea_state_bias_c(time) ;
		sea_state_bias_c:_FillValue = 32767s ;
		sea_state_bias_c:long_name = "sea state bias correction in C band" ;
		sea_state_bias_c:standard_name = "sea_surface_height_bias_due_to_sea_surface_roughness" ;
		sea_state_bias_c:source = "SMM_SSB_AXVCNE20080401_090000_19900101_000000_20301231_235959" ;
		sea_state_bias_c:institution = "CNES" ;
		sea_state_bias_c:units = "m" ;
		sea_state_bias_c:scale_factor = 0.0001 ;
		sea_state_bias_c:coordinates = "lon lat" ;
		sea_state_bias_c: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. See Jason-1 User Handbook" ;
	short pseudo_dat_bias_corr(time) ;
		pseudo_dat_bias_corr:_FillValue = 32767s ;
		pseudo_dat_bias_corr:long_name = "pseudo datation bias correction" ;
		pseudo_dat_bias_corr:units = "m" ;
		pseudo_dat_bias_corr:scale_factor = 0.0001 ;
		pseudo_dat_bias_corr:coordinates = "lon lat" ;
	short swh_ku(time) ;
		swh_ku:_FillValue = 32767s ;
		swh_ku:long_name = "Ku band corrected significant waveheight" ;
		swh_ku:standard_name = "sea_surface_wave_significant_height" ;
		swh_ku:units = "m" ;
		swh_ku:quality_flag = "qual_alt_1hz_swh_ku" ;
		swh_ku:scale_factor = 0.001 ;
		swh_ku:coordinates = "lon lat" ;
		swh_ku:comment = "All instrumental corrections included, i.e. modeled instrumental errors correction (modeled_instr_corr_swh_ku) and system bias" ;
	short swh_20hz_ku(time, meas_ind) ;
		swh_20hz_ku:_FillValue = 32767s ;
		swh_20hz_ku:long_name = "20 Hz Ku band significant waveheight" ;
		swh_20hz_ku:standard_name = "sea_surface_wave_significant_height" ;
		swh_20hz_ku:units = "m" ;
		swh_20hz_ku:scale_factor = 0.001 ;
		swh_20hz_ku:coordinates = "lon_20hz lat_20hz" ;
		swh_20hz_ku:comment = "All instrumental corrections included, i.e. modeled instrumental errors correction (modeled_instr_corr_swh_ku) and system bias" ;
	short swh_c(time) ;
		swh_c:_FillValue = 32767s ;
		swh_c:long_name = "C band corrected significant waveheight" ;
		swh_c:standard_name = "sea_surface_wave_significant_height" ;
		swh_c:units = "m" ;
		swh_c:quality_flag = "qual_alt_1hz_swh_c" ;
		swh_c:scale_factor = 0.001 ;
		swh_c:coordinates = "lon lat" ;
		swh_c:comment = "All instrumental corrections included, i.e. modeled instrumental errors correction (modeled_instr_corr_swh_c) and system bias" ;
	short swh_20hz_c(time, meas_ind) ;
		swh_20hz_c:_FillValue = 32767s ;
		swh_20hz_c:long_name = "20 Hz C band significant waveheight" ;
		swh_20hz_c:standard_name = "sea_surface_wave_significant_height" ;
		swh_20hz_c:units = "m" ;
		swh_20hz_c:scale_factor = 0.001 ;
		swh_20hz_c:coordinates = "lon_20hz lat_20hz" ;
		swh_20hz_c:comment = "All instrumental corrections included, i.e. modeled instrumental errors correction (modeled_instr_corr_swh_c) and system bias" ;
	byte swh_used_for_20hz_ku(time, meas_ind) ;
		swh_used_for_20hz_ku:_FillValue = 127b ;
		swh_used_for_20hz_ku:long_name = "20 Hz flag for utilization in the computation of 1 Hz Ku band significant waveheight" ;
		swh_used_for_20hz_ku:flag_values = 0b, 1b ;
		swh_used_for_20hz_ku:flag_meanings = "Yes No" ;
		swh_used_for_20hz_ku:coordinates = "lon_20hz lat_20hz" ;
		swh_used_for_20hz_ku:comment = "Map of valid points used to compute the 1-Hz Ku-band significant waveheight" ;
	byte swh_used_for_20hz_c(time, meas_ind) ;
		swh_used_for_20hz_c:_FillValue = 127b ;
		swh_used_for_20hz_c:long_name = "20 Hz flag for utilization in the computation of 1 Hz C band significant waveheight" ;
		swh_used_for_20hz_c:flag_values = 0b, 1b ;
		swh_used_for_20hz_c:flag_meanings = "Yes No" ;
		swh_used_for_20hz_c:coordinates = "lon_20hz lat_20hz" ;
		swh_used_for_20hz_c:comment = "Map of valid points used to compute the 1-Hz C-band significant waveheight" ;
	short swh_rms_ku(time) ;
		swh_rms_ku:_FillValue = 32767s ;
		swh_rms_ku:long_name = "RMS of the Ku band significant waveheight" ;
		swh_rms_ku:units = "m" ;
		swh_rms_ku:scale_factor = 0.001 ;
		swh_rms_ku:coordinates = "lon lat" ;
		swh_rms_ku: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" ;
	short swh_rms_c(time) ;
		swh_rms_c:_FillValue = 32767s ;
		swh_rms_c:long_name = "RMS of the C band significant waveheight" ;
		swh_rms_c:units = "m" ;
		swh_rms_c:scale_factor = 0.001 ;
		swh_rms_c:coordinates = "lon lat" ;
		swh_rms_c:comment = "Compression of C-band high rate elements is preceded by a detection of outliers. Only valid high rate values are used to compute this element" ;
	byte swh_numval_ku(time) ;
		swh_numval_ku:_FillValue = 127b ;
		swh_numval_ku:long_name = "number of valid points used to compute Ku significant waveheight" ;
		swh_numval_ku:units = "count" ;
		swh_numval_ku:valid_min = 0b ;
		swh_numval_ku:valid_max = 20b ;
		swh_numval_ku:coordinates = "lon lat" ;
	byte swh_numval_c(time) ;
		swh_numval_c:_FillValue = 127b ;
		swh_numval_c:long_name = "number of valid points used to compute C significant waveheight" ;
		swh_numval_c:units = "count" ;
		swh_numval_c:valid_min = 0b ;
		swh_numval_c:valid_max = 20b ;
		swh_numval_c:coordinates = "lon lat" ;
	short net_instr_corr_swh_ku(time) ;
		net_instr_corr_swh_ku:_FillValue = 32767s ;
		net_instr_corr_swh_ku:long_name = "net instrumental correction on Ku band significant waveheight" ;
		net_instr_corr_swh_ku:units = "m" ;
		net_instr_corr_swh_ku:quality_flag = "qual_inst_corr_1hz_swh_ku" ;
		net_instr_corr_swh_ku:scale_factor = 0.001 ;
		net_instr_corr_swh_ku:coordinates = "lon lat" ;
		net_instr_corr_swh_ku:comment = "Sum of modeled instrumental errors correction (modeled_instr_corr_swh_ku) and system bias" ;
	short net_instr_corr_swh_c(time) ;
		net_instr_corr_swh_c:_FillValue = 32767s ;
		net_instr_corr_swh_c:long_name = "net instrumental correction on C band significant waveheight" ;
		net_instr_corr_swh_c:units = "m" ;
		net_instr_corr_swh_c:quality_flag = "qual_inst_corr_1hz_swh_c" ;
		net_instr_corr_swh_c:scale_factor = 0.001 ;
		net_instr_corr_swh_c:coordinates = "lon lat" ;
		net_instr_corr_swh_c:comment = "Sum of modeled instrumental errors correction (modeled_instr_corr_swh_c) and system bias" ;
	short sig0_ku(time) ;
		sig0_ku:_FillValue = 32767s ;
		sig0_ku:long_name = "Ku band corrected backscatter coefficient" ;
		sig0_ku:standard_name = "surface_backwards_scattering_coefficient_of_radar_wave" ;
		sig0_ku:units = "dB" ;
		sig0_ku:quality_flag = "qual_alt_1hz_sig0_ku" ;
		sig0_ku:scale_factor = 0.01 ;
		sig0_ku:coordinates = "lon lat" ;
		sig0_ku:comment = "All instrumental corrections included, excepted the system bias, i.e. AGC instrumental errors correction, internal calibration correction (internal_corr_sig0_ku), modeled instrumental errors correction (modeled_instr_corr_sig0_ku) and atmospheric attenuation (atmos_sig0_corr_ku). See Jason-1 User Handbook" ;
	short sig0_20hz_ku(time, meas_ind) ;
		sig0_20hz_ku:_FillValue = 32767s ;
		sig0_20hz_ku:long_name = "20 Hz Ku band backscatter coefficient" ;
		sig0_20hz_ku:standard_name = "surface_backwards_scattering_coefficient_of_radar_wave" ;
		sig0_20hz_ku:units = "dB" ;
		sig0_20hz_ku:scale_factor = 0.01 ;
		sig0_20hz_ku:coordinates = "lon_20hz lat_20hz" ;
		sig0_20hz_ku:comment = "All instrumental corrections included, excepted the system bias, i.e. AGC instrumental errors correction, internal calibration correction (internal_corr_sig0_ku), modeled instrumental errors correction (modeled_instr_corr_sig0_ku) and atmospheric attenuation (atmos_sig0_corr_ku)" ;
	short sig0_c(time) ;
		sig0_c:_FillValue = 32767s ;
		sig0_c:long_name = "C band corrected backscatter coefficient" ;
		sig0_c:standard_name = "surface_backwards_scattering_coefficient_of_radar_wave" ;
		sig0_c:units = "dB" ;
		sig0_c:quality_flag = "qual_alt_1hz_sig0_c" ;
		sig0_c:scale_factor = 0.01 ;
		sig0_c:coordinates = "lon lat" ;
		sig0_c:comment = "All instrumental corrections included, excepted the system bias, i.e. AGC instrumental errors correction, internal calibration correction (internal_corr_sig0_c), modeled instrumental errors correction (modeled_instr_corr_sig0_c) and atmospheric attenuation (atmos_sig0_corr_c)" ;
	short sig0_20hz_c(time, meas_ind) ;
		sig0_20hz_c:_FillValue = 32767s ;
		sig0_20hz_c:long_name = "20 Hz C band backscatter coefficient" ;
		sig0_20hz_c:standard_name = "surface_backwards_scattering_coefficient_of_radar_wave" ;
		sig0_20hz_c:units = "dB" ;
		sig0_20hz_c:scale_factor = 0.01 ;
		sig0_20hz_c:coordinates = "lon_20hz lat_20hz" ;
		sig0_20hz_c:comment = "All instrumental corrections included, excepted the system bias, i.e. AGC instrumental errors correction, internal calibration correction (internal_corr_sig0_c), modeled instrumental errors correction (modeled_instr_corr_sig0_c) and atmospheric attenuation (atmos_sig0_corr_c)" ;
	byte sig0_used_for_20hz_ku(time, meas_ind) ;
		sig0_used_for_20hz_ku:_FillValue = 127b ;
		sig0_used_for_20hz_ku:long_name = "20 Hz flag for utilization in the computation of 1 Hz Ku band significant backscatter coefficient" ;
		sig0_used_for_20hz_ku:flag_values = 0b, 1b ;
		sig0_used_for_20hz_ku:flag_meanings = "Yes No" ;
		sig0_used_for_20hz_ku:coordinates = "lon_20hz lat_20hz" ;
		sig0_used_for_20hz_ku:comment = "Map of valid points used to compute the 1-Hz Ku-band backscatter coefficient" ;
	byte sig0_used_for_20hz_c(time, meas_ind) ;
		sig0_used_for_20hz_c:_FillValue = 127b ;
		sig0_used_for_20hz_c:long_name = "20 Hz flag for utilization in the computation of 1 Hz C band significant backscatter coefficient" ;
		sig0_used_for_20hz_c:flag_values = 0b, 1b ;
		sig0_used_for_20hz_c:flag_meanings = "Yes No" ;
		sig0_used_for_20hz_c:coordinates = "lon_20hz lat_20hz" ;
		sig0_used_for_20hz_c:comment = "Map of valid points used to compute the 1-Hz C-band backscatter coefficient" ;
	short sig0_rms_ku(time) ;
		sig0_rms_ku:_FillValue = 32767s ;
		sig0_rms_ku:long_name = "RMS of the Ku band backscatter coefficient" ;
		sig0_rms_ku:units = "dB" ;
		sig0_rms_ku:scale_factor = 0.01 ;
		sig0_rms_ku:coordinates = "lon lat" ;
		sig0_rms_ku: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" ;
	short sig0_rms_c(time) ;
		sig0_rms_c:_FillValue = 32767s ;
		sig0_rms_c:long_name = "RMS of the C band backscatter coefficient" ;
		sig0_rms_c:units = "dB" ;
		sig0_rms_c:scale_factor = 0.01 ;
		sig0_rms_c:coordinates = "lon lat" ;
		sig0_rms_c:comment = "Compression of C-band high rate elements is preceded by a detection of outliers. Only valid high-rate values are used to compute this element" ;
	byte sig0_numval_ku(time) ;
		sig0_numval_ku:_FillValue = 127b ;
		sig0_numval_ku:long_name = "number of valid points used to compute Ku backscatter coefficient" ;
		sig0_numval_ku:units = "count" ;
		sig0_numval_ku:valid_min = 0b ;
		sig0_numval_ku:valid_max = 20b ;
		sig0_numval_ku:coordinates = "lon lat" ;
	byte sig0_numval_c(time) ;
		sig0_numval_c:_FillValue = 127b ;
		sig0_numval_c:long_name = "number of valid points used to compute C backscatter coefficient" ;
		sig0_numval_c:units = "count" ;
		sig0_numval_c:valid_min = 0b ;
		sig0_numval_c:valid_max = 20b ;
		sig0_numval_c:coordinates = "lon lat" ;
	short agc_ku(time) ;
		agc_ku:_FillValue = 32767s ;
		agc_ku:long_name = "Ku band corrected AGC" ;
		agc_ku:units = "dB" ;
		agc_ku:scale_factor = 0.01 ;
		agc_ku:coordinates = "lon lat" ;
		agc_ku:comment = "AGC is corrected for instrumental errors due to the imperfections of the on-board attenuators" ;
	short agc_c(time) ;
		agc_c:_FillValue = 32767s ;
		agc_c:long_name = "C band corrected AGC" ;
		agc_c:units = "dB" ;
		agc_c:scale_factor = 0.01 ;
		agc_c:coordinates = "lon lat" ;
		agc_c:comment = "AGC is corrected for instrumental errors due to the imperfections of the on-board attenuators" ;
	short agc_rms_ku(time) ;
		agc_rms_ku:_FillValue = 32767s ;
		agc_rms_ku:long_name = "RMS of the Ku band AGC" ;
		agc_rms_ku:units = "dB" ;
		agc_rms_ku:scale_factor = 0.01 ;
		agc_rms_ku:coordinates = "lon lat" ;
		agc_rms_ku: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" ;
	short agc_rms_c(time) ;
		agc_rms_c:_FillValue = 32767s ;
		agc_rms_c:long_name = "RMS of the C band AGC" ;
		agc_rms_c:units = "dB" ;
		agc_rms_c:scale_factor = 0.01 ;
		agc_rms_c:coordinates = "lon lat" ;
		agc_rms_c:comment = "Compression of C-band high rate elements is preceded by a detection of outliers. Only valid high-rate values are used to compute this element" ;
	byte agc_numval_ku(time) ;
		agc_numval_ku:_FillValue = 127b ;
		agc_numval_ku:long_name = "number of valid points used to compute Ku band AGC" ;
		agc_numval_ku:units = "count" ;
		agc_numval_ku:valid_min = 0b ;
		agc_numval_ku:valid_max = 20b ;
		agc_numval_ku:coordinates = "lon lat" ;
	byte agc_numval_c(time) ;
		agc_numval_c:_FillValue = 127b ;
		agc_numval_c:long_name = "number of valid points used to compute C band AGC" ;
		agc_numval_c:units = "count" ;
		agc_numval_c:valid_min = 0b ;
		agc_numval_c:valid_max = 20b ;
		agc_numval_c:coordinates = "lon lat" ;
	short net_instr_sig0_corr_ku(time) ;
		net_instr_sig0_corr_ku:_FillValue = 32767s ;
		net_instr_sig0_corr_ku:long_name = "net instrumental correction on Ku backscatter coefficient" ;
		net_instr_sig0_corr_ku:units = "dB" ;
		net_instr_sig0_corr_ku:quality_flag = "qual_inst_corr_1hz_sig0_ku" ;
		net_instr_sig0_corr_ku:scale_factor = 0.01 ;
		net_instr_sig0_corr_ku:coordinates = "lon lat" ;
		net_instr_sig0_corr_ku:comment = "Sum of AGC instrumental errors correction, internal calibration correction (internal_corr_sig0_ku) and modeled instrumental errors correction (modeled_instr_corr_sig0_ku) - system bias not included" ;
	short net_instr_sig0_corr_c(time) ;
		net_instr_sig0_corr_c:_FillValue = 32767s ;
		net_instr_sig0_corr_c:long_name = "net instrumental correction on C backscatter coefficient" ;
		net_instr_sig0_corr_c:units = "dB" ;
		net_instr_sig0_corr_c:quality_flag = "qual_inst_corr_1hz_sig0_c" ;
		net_instr_sig0_corr_c:scale_factor = 0.01 ;
		net_instr_sig0_corr_c:coordinates = "lon lat" ;
		net_instr_sig0_corr_c:comment = "Sum of AGC instrumental errors correction, internal calibration correction (internal_corr_sig0_c) and modeled instrumental errors correction (modeled_instr_corr_sig0_c) - system bias not included" ;
	byte atmos_sig0_corr_ku(time) ;
		atmos_sig0_corr_ku:_FillValue = 127b ;
		atmos_sig0_corr_ku:long_name = "atmospheric attenuation correction on Ku band backscatter coefficient" ;
		atmos_sig0_corr_ku:units = "dB" ;
		atmos_sig0_corr_ku:scale_factor = 0.01 ;
		atmos_sig0_corr_ku:coordinates = "lon lat" ;
	byte atmos_sig0_corr_c(time) ;
		atmos_sig0_corr_c:_FillValue = 127b ;
		atmos_sig0_corr_c:long_name = "atmospheric attenuation correction on C band backscatter coefficient" ;
		atmos_sig0_corr_c:units = "dB" ;
		atmos_sig0_corr_c:scale_factor = 0.01 ;
		atmos_sig0_corr_c:coordinates = "lon lat" ;
	short off_nadir_angle_wf_ku(time) ;
		off_nadir_angle_wf_ku:_FillValue = 32767s ;
		off_nadir_angle_wf_ku:long_name = "square of the off nadir angle computed from Ku waveforms" ;
		off_nadir_angle_wf_ku:units = "degrees^2" ;
		off_nadir_angle_wf_ku:quality_flag = "qual_alt_1hz_off_nadir_angle_wf_ku" ;
		off_nadir_angle_wf_ku:scale_factor = 0.0001 ;
		off_nadir_angle_wf_ku:coordinates = "lon lat" ;
	short off_nadir_angle_wf_20hz_ku(time, meas_ind) ;
		off_nadir_angle_wf_20hz_ku:_FillValue = 32767s ;
		off_nadir_angle_wf_20hz_ku:long_name = "20 Hz square of the off nadir angle computed from Ku waveforms" ;
		off_nadir_angle_wf_20hz_ku:units = "degrees^2" ;
		off_nadir_angle_wf_20hz_ku:scale_factor = 0.0001 ;
		off_nadir_angle_wf_20hz_ku:coordinates = "lon_20hz lat_20hz" ;
	short off_nadir_angle_pf(time) ;
		off_nadir_angle_pf:_FillValue = 32767s ;
		off_nadir_angle_pf:long_name = "square of the off nadir angle computed from platform data" ;
		off_nadir_angle_pf:units = "degrees^2" ;
		off_nadir_angle_pf:quality_flag = "qual_alt_1hz_off_nadir_angle_pf" ;
		off_nadir_angle_pf:scale_factor = 0.0001 ;
		off_nadir_angle_pf:coordinates = "lon lat" ;
	short tb_187(time) ;
		tb_187:_FillValue = 32767s ;
		tb_187:long_name = "18.7 GHz main beam brightness temperature" ;
		tb_187:standard_name = "surface_brightness_temperature" ;
		tb_187:units = "K" ;
		tb_187:quality_flag = "qual_rad_1hz_tb187" ;
		tb_187:scale_factor = 0.01 ;
		tb_187:coordinates = "lon lat" ;
		tb_187:comment = "Brightness temperatures are unsmoothed (along-track averaging has not been performed on the brightness temperatures)" ;
	short tb_238(time) ;
		tb_238:_FillValue = 32767s ;
		tb_238:long_name = "23.8 GHz main beam brightness temperature" ;
		tb_238:standard_name = "surface_brightness_temperature" ;
		tb_238:units = "K" ;
		tb_238:quality_flag = "qual_rad_1hz_tb238" ;
		tb_238:scale_factor = 0.01 ;
		tb_238:coordinates = "lon lat" ;
		tb_238:comment = "Brightness temperatures are unsmoothed (along-track averaging has not been performed on the brightness temperatures)" ;
	short tb_340(time) ;
		tb_340:_FillValue = 32767s ;
		tb_340:long_name = "34 GHz main beam brightness temperature" ;
		tb_340:standard_name = "surface_brightness_temperature" ;
		tb_340:units = "K" ;
		tb_340:quality_flag = "qual_rad_1hz_tb340" ;
		tb_340:scale_factor = 0.01 ;
		tb_340:coordinates = "lon lat" ;
		tb_340:comment = "Brightness temperatures are unsmoothed (along-track averaging has not been performed on the brightness temperatures)" ;
	int mss(time) ;
		mss:_FillValue = 2147483647 ;
		mss:long_name = "mean sea surface height above reference ellipsoid" ;
		mss:source = "CLS01" ;
		mss:institution = "CLS" ;
		mss:units = "m" ;
		mss:quality_flag = "interp_flag_mss" ;
		mss:scale_factor = 0.0001 ;
		mss:coordinates = "lon lat" ;
		mss:comment = "See Jason-1 User Handbook" ;
	int mean_topography(time) ;
		mean_topography:_FillValue = 2147483647 ;
		mean_topography:long_name = "mean dynamic topography above geoid" ;
		mean_topography:source = "Rio 05" ;
		mean_topography:institution = "CLS/CNES" ;
		mean_topography:units = "m" ;
		mean_topography:quality_flag = "interp_flag_mdt" ;
		mean_topography:scale_factor = 0.0001 ;
		mean_topography:coordinates = "lon lat" ;
		mean_topography:comment = "See Jason-1 User Handbook" ;
	int geoid(time) ;
		geoid:_FillValue = 2147483647 ;
		geoid:long_name = "geoid height" ;
		geoid:standard_name = "geoid_height_above_reference_ellipsoid" ;
		geoid:source = "EGM96" ;
		geoid:institution = "GSFC" ;
		geoid:units = "m" ;
		geoid:scale_factor = 0.0001 ;
		geoid:coordinates = "lon lat" ;
		geoid:comment = "Computed from the geoid model with a correction to refer the value to the mean tide system i.e. includes the permanent tide (zero frequency). See Jason-1 User Handbook" ;
	int bathymetry(time) ;
		bathymetry:_FillValue = 2147483647 ;
		bathymetry:long_name = "ocean depth/land elevation" ;
		bathymetry:source = "DTM2000.1" ;
		bathymetry:institution = "GSFC" ;
		bathymetry:units = "m" ;
		bathymetry:coordinates = "lon lat" ;
	short inv_bar_corr(time) ;
		inv_bar_corr:_FillValue = 32767s ;
		inv_bar_corr:long_name = "inverted barometer height correction" ;
		inv_bar_corr:standard_name = "sea_surface_height_correction_due_to_air_pressure_at_low_frequency" ;
		inv_bar_corr:source = "ECMWF_T511" ;
		inv_bar_corr:institution = "ECMWF" ;
		inv_bar_corr:units = "m" ;
		inv_bar_corr:quality_flag = "interp_flag_meteo" ;
		inv_bar_corr:scale_factor = 0.0001 ;
		inv_bar_corr:coordinates = "lon lat" ;
		inv_bar_corr:comment = "Computed at the altimeter time-tag from the interpolation of 2 meteorological fields that surround the altimeter time-tag. See Jason-1 User Handbook" ;
	short hf_fluctuations_corr(time) ;
		hf_fluctuations_corr:_FillValue = 32767s ;
		hf_fluctuations_corr:long_name = "high frequency fluctuations of the sea surface topography" ;
		hf_fluctuations_corr:standard_name = "sea_surface_height_correction_due_to_air_pressure_and_wind_at_high_frequency" ;
		hf_fluctuations_corr:source = "undefined" ;
		hf_fluctuations_corr:institution = "LEGOS/CLS/CNES" ;
		hf_fluctuations_corr:units = "m" ;
		hf_fluctuations_corr:scale_factor = 0.0001 ;
		hf_fluctuations_corr:coordinates = "lon lat" ;
		hf_fluctuations_corr:comment = "Provided as a correction to the inverted barometer correction (inv_bar_corr)" ;
	int ocean_tide_sol1(time) ;
		ocean_tide_sol1:_FillValue = 2147483647 ;
		ocean_tide_sol1:long_name = "geocentric ocean tide height (solution 1)" ;
		ocean_tide_sol1:standard_name = "sea_surface_height_amplitude_due_to_geocentric_ocean_tide" ;
		ocean_tide_sol1:source = "GOT00.2" ;
		ocean_tide_sol1:institution = "GSFC" ;
		ocean_tide_sol1:units = "m" ;
		ocean_tide_sol1:quality_flag = "interp_flag_ocean_tide_sol1" ;
		ocean_tide_sol1:scale_factor = 0.0001 ;
		ocean_tide_sol1:coordinates = "lon lat" ;
		ocean_tide_sol1:comment = "Solution 1 corresponds to GOT00.2 model. Includes the corresponding loading tide (load_tide_sol1) and equilibrium long-period ocean tide height (ocean_tide_equil). The permanent tide (zero frequency) is not included in this parameter because it is included in the geoid and mean sea surface (geoid, mss). See Jason-1 User Handbook " ;
	int ocean_tide_sol2(time) ;
		ocean_tide_sol2:_FillValue = 2147483647 ;
		ocean_tide_sol2:long_name = "geocentric ocean tide height (solution 2)" ;
		ocean_tide_sol2:standard_name = "sea_surface_height_amplitude_due_to_geocentric_ocean_tide" ;
		ocean_tide_sol2:source = "FES2004" ;
		ocean_tide_sol2:institution = "LEGOS/CNES" ;
		ocean_tide_sol2:units = "m" ;
		ocean_tide_sol2:quality_flag = "interp_flag_ocean_tide_sol2" ;
		ocean_tide_sol2:scale_factor = 0.0001 ;
		ocean_tide_sol2:coordinates = "lon lat" ;
		ocean_tide_sol2:comment = "Solution 2 corresponds to FES2004 model. Includes the corresponding loading tide (load_tide_sol2) and equilibrium long-period ocean tide height (ocean_tide_equil). The permanent tide (zero frequency) is not included in this parameter because it is included in the geoid and mean sea surface (geoid, mss). See Jason-1 User Handbook " ;
	short ocean_tide_equil(time) ;
		ocean_tide_equil:_FillValue = 32767s ;
		ocean_tide_equil:long_name = "equilibrium long-period ocean tide height" ;
		ocean_tide_equil:standard_name = "sea_surface_height_amplitude_due_to_equilibrium_ocean_tide" ;
		ocean_tide_equil:source = "Cartwright and Taylor tidal potential" ;
		ocean_tide_equil:institution = "TBD" ;
		ocean_tide_equil:units = "m" ;
		ocean_tide_equil:scale_factor = 0.0001 ;
		ocean_tide_equil:coordinates = "lon lat" ;
		ocean_tide_equil:comment = "This value has already been added to the two geocentric ocean tide height values recorded in the product (ocean_tide_sol1 and ocean_tide_sol2). The permanent tide (zero frequency) is not included in this parameter because it is included in the geoid and mean sea surface (geoid, mss). See Jason-1 User Handbook" ;
	short ocean_tide_non_equil(time) ;
		ocean_tide_non_equil:_FillValue = 32767s ;
		ocean_tide_non_equil:long_name = "non-equilibrium long-period ocean tide height" ;
		ocean_tide_non_equil:standard_name = "sea_surface_height_amplitude_due_to_non_equilibrium_ocean_tide" ;
		ocean_tide_non_equil:source = "FES2004" ;
		ocean_tide_non_equil:institution = "LEGOS/CNES" ;
		ocean_tide_non_equil:units = "m" ;
		ocean_tide_non_equil:scale_factor = 0.0001 ;
		ocean_tide_non_equil:coordinates = "lon lat" ;
		ocean_tide_non_equil:comment = "This parameter is computed as a correction to the parameter ocean_tide_equil. This value can be added to ocean_tide_equil (or ocean_tide_sol1, ocean_tide_sol2) so that the resulting value models the total non equilibrium ocean tide height. See Jason-1 User Handbook" ;
	short load_tide_sol1(time) ;
		load_tide_sol1:_FillValue = 32767s ;
		load_tide_sol1:long_name = "load tide height for geocentric ocean tide (solution 1)" ;
		load_tide_sol1:source = "GOT00.2" ;
		load_tide_sol1:institution = "GSFC" ;
		load_tide_sol1:units = "m" ;
		load_tide_sol1:scale_factor = 0.0001 ;
		load_tide_sol1:coordinates = "lon lat" ;
		load_tide_sol1:comment = "This value has already been added to the corresponding ocean tide height value recorded in the product (ocean_tide_sol1). See Jason-1 User Handbook" ;
	short load_tide_sol2(time) ;
		load_tide_sol2:_FillValue = 32767s ;
		load_tide_sol2:long_name = "load tide height for geocentric ocean tide (solution 2)" ;
		load_tide_sol2:source = "FES2004" ;
		load_tide_sol2:institution = "LEGOS/CNES" ;
		load_tide_sol2:units = "m" ;
		load_tide_sol2:scale_factor = 0.0001 ;
		load_tide_sol2:coordinates = "lon lat" ;
		load_tide_sol2:comment = "This value has already been added to the corresponding ocean tide height value recorded in the product (ocean_tide_sol2). See Jason-1 User Handbook" ;
	short solid_earth_tide(time) ;
		solid_earth_tide:_FillValue = 32767s ;
		solid_earth_tide:long_name = "solid earth tide height" ;
		solid_earth_tide:standard_name = "sea_surface_height_amplitude_due_to_earth_tide" ;
		solid_earth_tide:source = "CartAmp.dat" ;
		solid_earth_tide:institution = "TBD" ;
		solid_earth_tide:units = "m" ;
		solid_earth_tide:scale_factor = 0.0001 ;
		solid_earth_tide:coordinates = "lon lat" ;
		solid_earth_tide:comment = "Calculated using Cartwright and Tayler tables and consisting of the second and third degree constituents. The permanent tide (zero frequency) is not included. See Jason-1 User Handbook" ;
	short pole_tide(time) ;
		pole_tide:_FillValue = 32767s ;
		pole_tide:long_name = "geocentric pole tide height" ;
		pole_tide:standard_name = "sea_surface_height_amplitude_due_to_pole_tide" ;
		pole_tide:source = "Wahr [1985]" ;
		pole_tide:institution = "TBD" ;
		pole_tide:units = "m" ;
		pole_tide:scale_factor = 0.0001 ;
		pole_tide:coordinates = "lon lat" ;
		pole_tide:comment = "See Jason-1 User Handbook" ;
	short wind_speed_model_u(time) ;
		wind_speed_model_u:_FillValue = 32767s ;
		wind_speed_model_u:long_name = "U component of the model wind vector" ;
		wind_speed_model_u:standard_name = "wind_speed" ;
		wind_speed_model_u:source = "ECMWF_T511" ;
		wind_speed_model_u:institution = "ECMWF" ;
		wind_speed_model_u:units = "m/s" ;
		wind_speed_model_u:quality_flag = "interp_flag_meteo and ecmwf_meteo_map_avail" ;
		wind_speed_model_u:scale_factor = 0.01 ;
		wind_speed_model_u:coordinates = "lon lat" ;
		wind_speed_model_u:comment = "Computed at the altimeter time-tag from the interpolation of 2 meteorological fields that surround the altimeter time-tag. See Jason-1 User Handbook" ;
	short wind_speed_model_v(time) ;
		wind_speed_model_v:_FillValue = 32767s ;
		wind_speed_model_v:long_name = "V component of the model wind vector" ;
		wind_speed_model_v:standard_name = "wind_speed" ;
		wind_speed_model_v:source = "ECMWF_T511" ;
		wind_speed_model_v:institution = "ECMWF" ;
		wind_speed_model_v:units = "m/s" ;
		wind_speed_model_v:quality_flag = "interp_flag_meteo and ecmwf_meteo_map_avail" ;
		wind_speed_model_v:scale_factor = 0.01 ;
		wind_speed_model_v:coordinates = "lon lat" ;
		wind_speed_model_v:comment = "Computed at the altimeter time-tag from the interpolation of 2 meteorological fields that surround the altimeter time-tag. See Jason-1 User Handbook" ;
	short wind_speed_alt(time) ;
		wind_speed_alt:_FillValue = 32767s ;
		wind_speed_alt:long_name = "altimeter wind speed" ;
		wind_speed_alt:standard_name = "wind_speed" ;
		wind_speed_alt:units = "m/s" ;
		wind_speed_alt:scale_factor = 0.01 ;
		wind_speed_alt:coordinates = "lon lat" ;
		wind_speed_alt:comment = "Should not be used over land. See Jason-1 User Handbook" ;
	short wind_speed_rad(time) ;
		wind_speed_rad:_FillValue = 32767s ;
		wind_speed_rad:long_name = "radiometer wind speed" ;
		wind_speed_rad:standard_name = "wind_speed" ;
		wind_speed_rad:source = "JMR" ;
		wind_speed_rad:institution = "NASA/JPL" ;
		wind_speed_rad:units = "m/s" ;
		wind_speed_rad:scale_factor = 0.01 ;
		wind_speed_rad:coordinates = "lon lat" ;
		wind_speed_rad:comment = "Should not be used over land. See Jason-1 User Handbook" ;
	short rad_water_vapor(time) ;
		rad_water_vapor:_FillValue = 32767s ;
		rad_water_vapor:long_name = "radiometer water vapor content" ;
		rad_water_vapor:standard_name = "atmosphere_water_vapor_content" ;
		rad_water_vapor:source = "JMR" ;
		rad_water_vapor:institution = "NASA/JPL" ;
		rad_water_vapor:units = "gram/cm^2" ;
		rad_water_vapor:quality_flag = "qual_rad_1hz_tb187 and qual_rad_1hz_tb238 and qual_rad_1hz_tb340 and interp_flag_tb" ;
		rad_water_vapor:scale_factor = 0.01 ;
		rad_water_vapor:coordinates = "lon lat" ;
		rad_water_vapor:comment = "Should not be used over land" ;
	short rad_liquid_water(time) ;
		rad_liquid_water:_FillValue = 32767s ;
		rad_liquid_water:long_name = "radiometer liquid water content" ;
		rad_liquid_water:standard_name = "atmosphere_cloud_liquid_water_content" ;
		rad_liquid_water:source = "JMR" ;
		rad_liquid_water:institution = "NASA/JPL" ;
		rad_liquid_water:units = "kg/m^2" ;
		rad_liquid_water:quality_flag = "qual_rad_1hz_tb187 and qual_rad_1hz_tb238 and qual_rad_1hz_tb340 and interp_flag_tb" ;
		rad_liquid_water:scale_factor = 0.01 ;
		rad_liquid_water:coordinates = "lon lat" ;
		rad_liquid_water:comment = "Should not be used over land" ;
	int ice_range_20hz_ku(time, meas_ind) ;
		ice_range_20hz_ku:_FillValue = 2147483647 ;
		ice_range_20hz_ku:long_name = "20 Hz Ku band altimeter range (ice retracking)" ;
		ice_range_20hz_ku:standard_name = "altimeter_range" ;
		ice_range_20hz_ku:units = "m" ;
		ice_range_20hz_ku:add_offset = 1300000. ;
		ice_range_20hz_ku:scale_factor = 0.0001 ;
		ice_range_20hz_ku:coordinates = "lon_20hz lat_20hz" ;
		ice_range_20hz_ku:comment = "Distance antenna-COG (cog_corr), USO drift correction (uso_corr) and internal path correction (internal_path_delay_corr_ku) included" ;
	int ice_range_20hz_c(time, meas_ind) ;
		ice_range_20hz_c:_FillValue = 2147483647 ;
		ice_range_20hz_c:long_name = "20 Hz C band altimeter range (ice retracking)" ;
		ice_range_20hz_c:standard_name = "altimeter_range" ;
		ice_range_20hz_c:units = "m" ;
		ice_range_20hz_c:add_offset = 1300000. ;
		ice_range_20hz_c:scale_factor = 0.0001 ;
		ice_range_20hz_c:coordinates = "lon_20hz lat_20hz" ;
		ice_range_20hz_c:comment = "Distance antenna-COG (cog_corr), USO drift correction (uso_corr) and internal path correction (internal_path_delay_corr_c) included" ;
	short ice_sig0_20hz_ku(time, meas_ind) ;
		ice_sig0_20hz_ku:_FillValue = 32767s ;
		ice_sig0_20hz_ku:long_name = "20 Hz Ku band backscatter coefficient (ice retracking)" ;
		ice_sig0_20hz_ku:standard_name = "surface_backwards_scattering_coefficient_of_radar_wave" ;
		ice_sig0_20hz_ku:units = "dB" ;
		ice_sig0_20hz_ku:scale_factor = 0.01 ;
		ice_sig0_20hz_ku:coordinates = "lon_20hz lat_20hz" ;
		ice_sig0_20hz_ku:comment = "AGC instrumental errors correction and internal calibration correction (internal_corr_sig0_ku) included" ;
	short ice_sig0_20hz_c(time, meas_ind) ;
		ice_sig0_20hz_c:_FillValue = 32767s ;
		ice_sig0_20hz_c:long_name = "20 Hz C band backscatter coefficient (ice retracking)" ;
		ice_sig0_20hz_c:standard_name = "surface_backwards_scattering_coefficient_of_radar_wave" ;
		ice_sig0_20hz_c:units = "dB" ;
		ice_sig0_20hz_c:scale_factor = 0.01 ;
		ice_sig0_20hz_c:coordinates = "lon_20hz lat_20hz" ;
		ice_sig0_20hz_c:comment = "AGC instrumental errors correction and internal calibration correction (internal_corr_sig0_c) included" ;
	short mqe_20hz_ku(time, meas_ind) ;
		mqe_20hz_ku:_FillValue = 32767s ;
		mqe_20hz_ku:long_name = "20 Hz Ku band MQE (ocean retracking)" ;
		mqe_20hz_ku:units = "count" ;
		mqe_20hz_ku:scale_factor = 0.0001 ;
		mqe_20hz_ku:coordinates = "lon_20hz lat_20hz" ;
		mqe_20hz_ku:comment = "Mean Quadratic Error between the waveforms samples and the corresponding model samples built from the ocean retracking outputs" ;
	short mqe_20hz_c(time, meas_ind) ;
		mqe_20hz_c:_FillValue = 32767s ;
		mqe_20hz_c:long_name = "20 Hz C band MQE (ocean retracking)" ;
		mqe_20hz_c:units = "count" ;
		mqe_20hz_c:scale_factor = 0.0001 ;
		mqe_20hz_c:coordinates = "lon_20hz lat_20hz" ;
		mqe_20hz_c:comment = "Mean Quadratic Error between the waveforms samples and the corresponding model samples built from the ocean retracking outputs" ;
	short peakiness_20hz_ku(time, meas_ind) ;
		peakiness_20hz_ku:_FillValue = 32767s ;
		peakiness_20hz_ku:long_name = "20 Hz peakiness on Ku band waveforms" ;
		peakiness_20hz_ku:units = "count" ;
		peakiness_20hz_ku:scale_factor = 0.001 ;
		peakiness_20hz_ku:coordinates = "lon_20hz lat_20hz" ;
	short peakiness_20hz_c(time, meas_ind) ;
		peakiness_20hz_c:_FillValue = 32767s ;
		peakiness_20hz_c:long_name = "20 Hz peakiness on Cband waveforms" ;
		peakiness_20hz_c:units = "count" ;
		peakiness_20hz_c:scale_factor = 0.001 ;
		peakiness_20hz_c:coordinates = "lon_20hz lat_20hz" ;

 

Enhanced Wet Tropo Path Delay added from NASA (go back top of page)

 

	short rad_wet_tropo_corr_epd(time) ;
		rad_wet_tropo_corr_epd:units = "m" ;
		rad_wet_tropo_corr_epd:comment = "Enhanced Wet Tropo Path Delay;  wet path delay is identical to rad_wet_tropo_corr on GDR > ~50 km from land, but uses improved algorithms for coastal path delays" ;
		rad_wet_tropo_corr_epd:scale_factor = 0.0001 ;
		rad_wet_tropo_corr_epd:_FillValue = 32767s ;
		rad_wet_tropo_corr_epd:long_name = "Enhanced Wet Tropo Path Delay" ;
	byte rad_sea_ice_flag(time) ;
		rad_sea_ice_flag:units = "/" ;
		rad_sea_ice_flag:comment = "JMR Sea Ice Flag (0=no ice, 1=ice); Ice flag is 1 when GDR wet path delay or enhanced wet path delay radiometer product is invalid due to sea ice contamination" ;
		rad_sea_ice_flag:scale_factor = 1. ;
		rad_sea_ice_flag:_FillValue = 127b ;
		rad_sea_ice_flag:long_name = "JMR Sea Ice Flag" ;
	byte rad_rain_flag(time) ;
		rad_rain_flag:units = "/" ;
		rad_rain_flag:comment = "JMR Rain Flag (0=no rain, 1=rain); Rain flag is 1 when GDR wet path delay or enhanced wet path delay radiometer product is invalid due to rain contamination" ;
		rad_rain_flag:scale_factor = 1. ;
		rad_rain_flag:_FillValue = 127b ;
		rad_rain_flag:long_name = "JMR Rain Flag" ;
	byte rad_epd_land_flag(time) ;
		rad_epd_land_flag:units = "/" ;
		rad_epd_land_flag:comment = "JMR Enhanced Wet Tropo Path Delay Land Flag (0=no land, 1=costal processing applied, 2=land); Enhanced PD land flag is 2 when radiometer enhanced wet path delay product is invalid due to land contamination contamination" ;
		rad_epd_land_flag:scale_factor = 1. ;
		rad_epd_land_flag:_FillValue = 127b ;
		rad_epd_land_flag:long_name = "JMR Enhanced Wet Tropo Path Delay Land Flag" ;

 

 

Data added by CTOH : (go back top of page)

	int iono_lis(time) ;
		iono_lis:units = "m" ;
		iono_lis:long_name = "iono_lis" ;
		iono_lis:scale_factor = 0.0001 ;
		iono_lis:comment = "The Dual-frequency ionospheric correction is noisy, and is smoothed with a 20 points median filter, adapted with variable length approaching the coasts to maintain maximum data coverage. Small gaps (< 5 points) are linearly interpolated." ;
		iono_lis:_FillValue = 32767 ;
		iono_lis:ctoh_edit_date = "2011-06-16 14:13" ;
	int wet_tropo_cls(time) ;
		wet_tropo_cls:units = "m" ;
		wet_tropo_cls:long_name = "wet_tropo_cls" ;
		wet_tropo_cls:scale_factor = 0.001 ;
		wet_tropo_cls:comment = "Wet troposphere correction calculated by CLS over the continents using NCEP data \tWet troposphere correction over the continents is either incorrect or not available on MGDRs. The program calculates the correction at the correct altitude, interpolated from the gridded NCEP levels. MERCIER (2003), Satellite altimetry over non ocean areas : an improved wet tropospheric correction from meteorological models, Joint EGS-AGU meeting, Nice, Spring 2003. Used: corr_ssh = (alt - (range_ku + solid_earth_tide + ctoh1:iono_lis + pole_tide + inv_barom_corr + model_dry_tropo_corr + mean_sea_surface))/1000." ;
		wet_tropo_cls:_FillValue = 32767 ;
		wet_tropo_cls:ctoh_edit_date = "2011-06-16 14:13" ;
	int gim_ku(time) ;
		gim_ku:units = "m" ;
		gim_ku:long_name = "" ;
		gim_ku:scale_factor = 0.001 ;
		gim_ku:comment = "The GIM ionospheric correction is based on Total Electron Content (TEC) grids which are operationally produced by JPL in delayed time (5 days) as well as in near real time (10 hours).\n",
			"    Iijima http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6VHB-3YDGC8J-2&_user=3521029&_rdoc=1&_fmt=&_orig=search&_sort=d&_docanchor=&view=c&_searchStrId=1112320696&_rerunOrigin=google&_acct=C000028798&_version=1&_urlVersion=0&_userid=3521029&md5=92792ec78673d3ec59fc071750194414#bbib8\n",
			"    B.A., Harris, I.L., Ho, C.M., Lindqwister, U.J., Mannucci, A.J., Pi, X., Reyes, M.J., Sparks, L.C., Wilson, B.D.,(1999). Automated daily process for global ionospheric total electron content maps and satellite ocean altimeter ionospheric calibration based on Global Positioning System data Journal of Atmospheric and Solar-Terrestrial Physics 61 1205-1218" ;
		gim_ku:_FillValue = -2147483648 ;
		gim_ku:ctoh_edit_date = "2011-06-16 14:13" ;
	int gim_s(time) ;
		gim_s:units = "m" ;
		gim_s:long_name = "" ;
		gim_s:scale_factor = 0.001 ;
		gim_s:comment = "See gim_ku comments." ;
		gim_s:_FillValue = -2147483648 ;
		gim_s:ctoh_edit_date = "2011-06-16 14:13" ;
	int ocean_tide_l_GOT00(time) ;
		ocean_tide_l_GOT00:units = "m" ;
		ocean_tide_l_GOT00:long_name = "Ocean Tide using GOT 00 model" ;
		ocean_tide_l_GOT00:scale_factor = 0.001 ;
		ocean_tide_l_GOT00:comment = "Ocean tide correction from the GOT2000 tidal model developed at GSFC.\n",
			"    Warning: Does not include the load tide (unlike ocean_tide_sol1), nor the permanent tide (like ocean_tide_sol1)." ;
		ocean_tide_l_GOT00:_FillValue = 32767 ;
		ocean_tide_l_GOT00:ctoh_edit_date = "2011-06-16 14:13" ;
	int ocean_tide_FES_04(time) ;
		ocean_tide_FES_04:units = "m" ;
		ocean_tide_FES_04:long_name = "Ocean Tide using FES 2004 model" ;
		ocean_tide_FES_04:scale_factor = 0.001 ;
		ocean_tide_FES_04:comment = "Ocean tide correction from the FES model developed at LEGOS, Toulouse.  F. LYARD, F. LEFEBRE, LETTELIER, T., Francis O. (2004). Modeling the global ocean tides: modern insights from FES2004. Ocean dynamics 2006. 10.1007/s10236-006-0086-x.\n",
			"    Warning: Does not include the load tide (unlike ocean_tide_sol2), nor the permanent tide (like ocean_tide_sol2)." ;
		ocean_tide_FES_04:_FillValue = 32767 ;
		ocean_tide_FES_04:ctoh_edit_date = "2011-06-16 14:13" ;
	int ocean_tide_GOT47(time) ;
		ocean_tide_GOT47:units = "m" ;
		ocean_tide_GOT47:long_name = "Ocean Tide using GOT 4.7 model" ;
		ocean_tide_GOT47:scale_factor = 0.001 ;
		ocean_tide_GOT47:comment = "Tide Predictions in Shelf and Coastal Waters: Status and Prospects. Ray R. D., Egbert G. D., Erofeeva S. Y. in, Coastal Altimetry, Ed. Vignudelli S., Kostianoy A., Cipollini P., Benveniste J., Springer." ;
		ocean_tide_GOT47:_FillValue = 32767 ;
		ocean_tide_GOT47:ctoh_edit_date = "2011-06-16 14:13" ;
	int ib_MOG2D_NF(time) ;
		ib_MOG2D_NF:units = "m" ;
		ib_MOG2D_NF:long_name = "Inverted Barometer from MOG2D model" ;
		ib_MOG2D_NF:scale_factor = 1.e-05 ;
		ib_MOG2D_NF:comment = "Barotropic ocean response to ECMWF wind and surface pressure forcing (6h), calculated using the MOG2D barotropic model. Includes the total non-isostatic ocean response to surface forcing. This correction replaces the standard inverse barometer correction or ib_ECMWF. CARRERE L., LYARD F. (2003) Modeling the barotropic response of the global ocean to atmospheric wind and pressure forcing - comparisons with observations. Geophysical Res. Lett. vol. 30, n. 6,1275, doi:10:1029/2002GL016473." ;
		ib_MOG2D_NF:_FillValue = 999999 ;
		ib_MOG2D_NF:ctoh_edit_date = "2011-06-16 14:13" ;
	int ib_ECMWF_NF(time) ;
		ib_ECMWF_NF:units = "m" ;
		ib_ECMWF_NF:long_name = "Inverted Barometer from ECMWF" ;
		ib_ECMWF_NF:scale_factor = 1.e-05 ;
		ib_ECMWF_NF:comment = "Inverted barometer effect calculated from 6-hourly ECMWF surface pressure data and referenced to the global mean surface pressure over the oceans and sea-ice. Improvement to the IB response calculated by AVISO for TOPEX which is relative to a constant 1013 mbar reference surface. The new version conserves mass over the ocean." ;
		ib_ECMWF_NF:_FillValue = 999999 ;
		ib_ECMWF_NF:ctoh_edit_date = "2011-06-16 14:13" ;
	int ib_MOG2D_hf(time) ;
		ib_MOG2D_hf:units = "m" ;
		ib_MOG2D_hf:long_name = "Hight Frequency MOG2D Inverted Barometer" ;
		ib_MOG2D_hf:scale_factor = 1.e-05 ;
		ib_MOG2D_hf:comment = "ib_MOG2D_NF for periods smaller than 20 days." ;
		ib_MOG2D_hf:_FillValue = 999999 ;
		ib_MOG2D_hf:ctoh_edit_date = "2011-06-16 14:13" ;
	int ib_ECMWF_bf(time) ;
		ib_ECMWF_bf:units = "m" ;
		ib_ECMWF_bf:long_name = "Low Frequency ECMWF Inverted Barometer" ;
		ib_ECMWF_bf:scale_factor = 1.e-05 ;
		ib_ECMWF_bf:comment = "ib_ECMWF_NF for periods greater than 20 days." ;
		ib_ECMWF_bf:_FillValue = 999999 ;
		ib_ECMWF_bf:ctoh_edit_date = "2011-06-16 14:13" ;
	double dist_to_coast_leuliette(time) ;
		dist_to_coast_leuliette:_FillValue = nanf ;
		dist_to_coast_leuliette:title = "dist.nc" ;
		dist_to_coast_leuliette:actual_range = -2513.44677734375, 3819.8876953125 ;
		dist_to_coast_leuliette:Conventions = "COARDS/CF-1.0" ;
		dist_to_coast_leuliette:long_name = "distance to coast" ;
		dist_to_coast_leuliette:GMT_version = "4.3.1" ;
		dist_to_coast_leuliette:contact = "Eric.Leuliette@noaa.gov" ;
		dist_to_coast_leuliette:units = "km" ;
		dist_to_coast_leuliette:node_offset = 0 ;
		dist_to_coast_leuliette:history = "Tue Sep 14 10:39:53 2010: ncatted -a contact,global,c,c,Eric.Leuliette@noaa.gov distance-to-coast_2m.nc\n",
			"grdmath distance-to-coast_2m.nc landocean.nc MUL = distances-to-coast_2m.nc" ;
		dist_to_coast_leuliette:coordinates = "lon lat" ;
	double dist_to_coast_stumpf(time) ;
		dist_to_coast_stumpf:contact = "ctoh_products at legos dot obs-mip dot fr" ;
		dist_to_coast_stumpf:reference = "http://oceancolor.gsfc.nasa.gov/DOCS/DistFromCoast/" ;
		dist_to_coast_stumpf:title = "Distance to nearest coastline" ;
		dist_to_coast_stumpf:units = "km" ;
		dist_to_coast_stumpf:history = "Conversion to netcdf by CTOH www.ctoh.legos.obs-mip.fr" ;
		dist_to_coast_stumpf:coordinates = "lon lat" ;
		dist_to_coast_stumpf:original_file = "dist2coast.signed.txt" ;
	double geoid_egm08(time) ;
		geoid_egm08:contact = "ctoh_products at legos dot obs-mip dot fr" ;
		geoid_egm08:scale_factor = 1 ;
		geoid_egm08:units = "m" ;
		geoid_egm08:doc = "Computed from EGM2008 with a correction to refer the value to the mean tide system i.e. includes the permanent tide (zero frequency). Number of considered frequences : HS2400. Spatial resolution: 0.075\' Elipsoid:T/P." ;
		geoid_egm08:ref = "http://earth-info.nga.mil/GandG/wgs84/gravitymod/egm2008" ;
		geoid_egm08:original_file = "grid_geoide_ponc_2mn_egm2008_2190_mean_tide_ctte_Topex" ;
		geoid_egm08:coordinates = "lon lat" ;
	double geoid_goce(time) ;
		geoid_goce:units = "m" ;
		geoid_goce:doc = "http://earth-info.nga.mil/GandG/wgs84/gravitymod/egm2008" ;
		geoid_goce:scale_factor = 1 ;
		geoid_goce:original_file = "grille_geoide_ponct.EIGEN-GOCE14p" ;
		geoid_goce:coordinates = "lon lat" ;
	double geoid_grace(time) ;
		geoid_grace:units = "m" ;
		geoid_grace:doc = "http://earth-info.nga.mil/GandG/wgs84/gravitymod/egm2008" ;
		geoid_grace:scale_factor = 0.001 ;
		geoid_grace:original_file = "GGM02_GHT_GRAV_meantide.GRID" ;
		geoid_grace:ctoh_edit_date = "2011-06-09 08:35" ;
	double gridone(time) ;
                gridone:long_name = "Bathymetry from GEBCO One Minute Grid (gridone)" ;
                gridone:scale_factor = 1. ;
                gridone:source = "1.00" ;
                gridone:units = "m" ;
                gridone:node_offset = 0 ;
                gridone:title = "GEBCO One Minute Grid" ;
                gridone:add_offset = 0. ;
                gridone:ctoh_edit_date = "2012-01-02 11:23" ;
	double mdt_cnes_cls_09(time) ;
		mdt_cnes_cls_09:_FillValue = 1.84467440737096e+19 ;
		mdt_cnes_cls_09:CreatedBy = "rio@px-124.cls.fr" ;
		mdt_cnes_cls_09:title = "MDT CNES-CLS09 V1.1" ;
		mdt_cnes_cls_09:CreatedOn = "11-MAR-2010 16:50:55:000000" ;
		mdt_cnes_cls_09:long_name = "Mean Dynamic Topography" ;
		mdt_cnes_cls_09:OriginalName = "MDT_CNES-CLS09_v1.1.nc" ;
		mdt_cnes_cls_09:units = "m" ;
		mdt_cnes_cls_09:FileType = "GRID_DOTS" ;
		mdt_cnes_cls_09:coordinates = "lon lat" ;
	double mdt_cnes_cls_09_med(time) ;
		mdt_cnes_cls_09_med:_FillValue = 1.844674e+19f ;
		mdt_cnes_cls_09_med:CreatedBy = "rio@px-124.cls.fr" ;
		mdt_cnes_cls_09_med:title = "SMDT MED07 recalee a Gibraltar (offset de 0.025 m)" ;
		mdt_cnes_cls_09_med:CreatedOn = "29-APR-2010 16:12:33:000000" ;
		mdt_cnes_cls_09_med:long_name = "Topographie Dynamique Moyenne MED07" ;
		mdt_cnes_cls_09_med:OriginalName = "smdt_med07_recale.nc" ;
		mdt_cnes_cls_09_med:units = "m" ;
		mdt_cnes_cls_09_med:FileType = "GRID_DOTS" ;
		mdt_cnes_cls_09_med:coordinates = "lon lat" ;
	double mss_cnes_cls_10(time) ;
		mss_cnes_cls_10:_FillValue = 2147483647 ;
		mss_cnes_cls_10:scale_factor = 0.001 ;
		mss_cnes_cls_10:CreatedBy = "MSSAscii2Grille" ;
		mss_cnes_cls_10:Title = "Surface moyenne oceanique CNES CLS 2010" ;
		mss_cnes_cls_10:CreatedOn = "03-MAI-2010" ;
		mss_cnes_cls_10:long_name = "Hauteurs de surface moyenne oceanique" ;
		mss_cnes_cls_10:OriginalName = "MSS_CNES_CLS_10" ;
		mss_cnes_cls_10:units = "m" ;
		mss_cnes_cls_10:FileType = "GRID_DOTS" ;
		mss_cnes_cls_10:coordinates = "lon lat" ;

 

 

Global attributes: (go back top of page)

		:Conventions = "CF-1.1" ;
		:title = "GDR - Standard dataset" ;
		:institution = "CNES" ;
		:source = "radar altimeter" ;
		:history = "2009-02-24 08:42:39 : Creation" ;
		:contact = "TBD" ;
		:references = "CMAV9.2_02/G5OS5" ;
		:processing_center = "SSALTO" ;
		:reference_document = "SMM-ST-M-EA-10879-CN Issue 4.0" ;
		:mission_name = "Jason-1" ;
		:altimeter_sensor_name = "POSEIDON-2" ;
		:radiometer_sensor_name = "JMR" ;
		:doris_sensor_name = "DORIS-2 GM" ;
		:acq_station_name = "JTCCS" ;
		:cycle_number = 258 ;
		:absolute_rev_number = 32641 ;
		:pass_number = 2 ;
		:absolute_pass_number = 65280 ;
		:equator_time = "2009-01-06T14:16:58.277000" ;
		:equator_longitude = 265.76 ;
		:first_meas_time = "2009-01-06 13:48:52.449817" ;
		:last_meas_time = "2009-01-06 14:45:04.796651" ;
		:xref_altimeter_level1 = "PJ1_ECH_1PaS20090106_120002_07189" ;
		:xref_radiometer_level1 = "JJ1_JMR_1PaS20090106_120005_07200" ;
		:xref_altimeter_characterisation = "PJ1_CHD_AXVCNE20030331_000000_19500101_000000_20101231_235959" ;
		:xref_altimeter_ltm = "PJ1_CAL_AXXCNE20090126_110021_20011207_115928_20090125_115926" ;
		:xref_radiometer_temp = "not applicable" ;
		:xref_doris_uso = "JA1_OUS_AXXCNE20090212_115700_20011210_102937_20090212_003701" ;
		:xref_orbit_data = "JA1_VOR_AXVCNE20090213_071400_20090105_215526_20090107_002326" ;
		:xref_pf_data = "JA1_VPF_AXVCNE20090213_071900_20090105_215526_20090107_002326" ;
		:xref_pole_location = "SMM_POL_AXXCNE20090213_083000_19870101_000000_20090314_000000" ;
		:xref_orf_data = "JA1_ORF_AXXCNE20090223_115800_20090206_074404_20090306_015130" ;
		:ellipsoid_axis = 6378136.3 ;
		:ellipsoid_flattening = 0.0033528131778969 ;

Document Actions

logo cnes logo IRD Logo université de Toulouse Logo université Paul Sabatier Logo CNRS
Logo bibliothèque OBS Logo Observatoire Midi Pyrénées