Parameters
GFO Parameters in binary format
Available data at CTOH are GDR data, distribued by NOAA, plus up-to-date corrections.
- GDR data in dark blue
- Corrections added by the CTOH in light blue
Header Parameters
| Parameter name | Unity |
| cycle | cycle |
| track | track |
| nbr_point | number of points in this track |
Record description
| Parameter name | Description and Unity |
| time_sec | seconds within day (sec) since 01/01/1985 |
| time_continued_microsec | microseconds within sec (microsec) |
| jour (sec)= time_sec + time_continued_microsec / 10E6 | |
| latitude | latitude (10-6 deg) |
| longitude | longitude (10-6 deg) |
| ssh_uncorr | ssh uncorrected (10-3 m) |
| ssh_corr | ssh corrected (10-3 m) |
| altitude | altitude of satellite (10-3 m) |
| ssh_uncorr_diff[10] | differences between 10hHz and 1Hz values (10-3 m) |
| nval_ssh_uncorr | number of values used in calcul of 1Hz ssh uncorr (n/a) |
| altitude_diff[10] | differences between 10hHz and 1Hz values (10-3 m) |
| model_dry_tropo_corr | model dry tropo corr NCEP (10-3 m) |
| model_wet_tropo_corr_mwr | model wet tropo corr MWR (10-3 m) |
| model_wet_tropo_corr_ncep | model wet tropo corr NCEP (10-3 m) |
| wet_tropo_cls | wet tropo NCEP/terre (CLS) (10-3m) |
| model_iono_corr | model iono corr GIM (10-3 m) |
| gim_ku | model iono corr GIM B. Legresy (10-3 m) |
| model_inverse_baro | model inverse barometer corr NCEP (10-3 m) |
| ib_MOG2D | inverted barometer MOG2D (10-5m) |
| ib_ECMWF | inverted barometer ECMWF(10-5m) |
| ocean_tide | geocentric ocean tide height GOT00.02 (10-3 m) |
| ocean_tide_FES_04 | Maree (a partir de FES 2004) (10-3 m) |
| ocean_tide_l_GOT00 | correction de maree GOT00 issu du lab (10-3m) |
| load_tide | load tide hght for geocentric ocean tide GOT00.02 (10-3 m) |
| solid_earth_tide | solid earth tide height (10-3m) |
| pole_tide | geocentric pole tide height(10-3 m) |
| sea_state_bias | sea state bias corr 4.5%of SWH (10-3 m) |
| ssb_cls | Sea state Bias (CLS / S. Labroue) (10-3m) |
| mss1 | mean sea surface height GSFC00.1 (10-3 m) |
| mss2 | mean sea surface height OSUMS95 (10-3 m) |
| mss_cls_01 | mean sea surface height CLS 01 (10-3 m) |
| water_depth | ocean depth/land elevation (m) |
| geoid | geoid height (10-3 m) |
| geoid_grace | geoid height GRACE (10-3 m) |
| swh | significant wave height (10-2 m) |
| swh_high_rate[10] | swh_high_rate (10-2 m) |
| nval_swh | number of values used in calcul of 1Hz swh (n/a) |
| sig0 | backscatter coefficient (10-2 dB) |
| wind_speed | wind speed calculated from sigma0 (10-2 m.sec-1) |
| agc | AGC 1hz (10-2 dB) |
| ssh_uncorr_std | std of ssh uncorrected (10-3 m) |
| swh_std | std of swh (10-2 m) |
| agc_std | std of agc (10-2 dB) |
| hgt_net_corr | net height correction (10-3 m) |
| swh_net_corr | net swh correction (10-2 m) |
| agc_net_corr | net agc correction (10-2 dB) |
| one_hz_time_deviation | 1Hz time tag deviation (10-15 sec) |
| time_shift_midframe | time shift mid frame (10-6 sec) |
| attitude_squared | attitude squared (10-4 deg2) |
| noaa_flags | Noaa flags |
| nval_agc | number of values used in calcul of 1Hz agc (n/a) |
| tb_22 | 22 GHz brightness temp (10-2 deg K) |
| tb_37 | 37 GHz brightness temp (10-2 deg K) |
| ra_status_mode1 | RA status mode 1 |
| ra_status_mode2 | RA status mode 2 |
| receiver_temp | receiver temperature (10-2 deg C) |
| quality_word1 | RA quality test results from SDR |
| quality_word2 | WVR quality test results from SDR |
| average_vatt | average VATT (10-6 V) |
| fitted_vatt | fitted VATT (10-6 V) |
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