| Mission | Envisat |
| MVA-Name | envisat_hf |
| Source | SGDR v2.1 |
| Frequency | 20 |
atmos_corr_sig0.00
| Pos | Size | Scaling | Unit | Name | Version Specific Description |
|---|---|---|---|---|---|
| 1 | 2 | -2 | db | atmos_corr_sig0_ku | Atmospheric Attenuation Correction
Ku-band atmospheric attenuation correction Source: SGDR v2.1 Original-Parameter: ku_atm_atten_corr (Field number 88) |
doppler.00
| Pos | Size | Scaling | Unit | Name | Version Specific Description |
|---|---|---|---|---|---|
| 1 | 2 | -3 | m | doppler | Doppler Correction
18 Hz Ku-band doppler correction Source: SGDR v2.1 Original-Parameter: hz18_ku_dop_corr (Field number 35) |
ebias.00
| Pos | Size | Scaling | Unit | Name | Version Specific Description |
|---|---|---|---|---|---|
| 1 | 2 | -3 | m | emb | Sea State Bias
Sea State Bias from Ku-Band Source: SGDR v2.1 Original-Parameter: sea_bias_ku (Field number 49) |
instr.00
| Pos | Size | Scaling | Unit | Name | Version Specific Description |
|---|---|---|---|---|---|
| 1 | +4 | - | sec | isec | Integer Seconds Elapsed Since Epoch |
| 2 | +4 | -6 | sec | msec | Microseconds, Fractional Part of isec |
| 3 | +4 | -3 | m | ralt | Altimeter Range
18 Hz Ku-band ocean ranges Source: SGDR v2.1 Original-Parameter: hz18_ku_band_ocean (Field number 19) |
| 4 | +2 | -3 | m | stdalt | RMS of Altimeter Range
Source: SGDR v2.1 |
| 5 | 2 | -2 | m | swh | Significant Wave Height
Source: SGDR v2.1 Original-Parameter: ku_sig_wv_ht (Field number 54) |
| 6 | +2 | -2 | m | stdswh | RMS of Significant Wave Height
Standard deviation of 18hz ku-band significant wave height Source: SGDR v2.1 Original-Parameter: sd_18hz_ku_swh (Field number 56) |
| 7 | +2 | -2 | db | sigma0 | Backscatter Coefficient
Ku-band corrected ocean backscatter coefficient Source: SGDR v2.1 Original-Parameter: ku_ocean_bscat_coeff (Field number 72) |
| 8 | +1 | -1 | m/s | windsp | Wind Speed
Wind Speed from RA2 Source: SGDR v2.1 Original-Parameter: ra2_wind_sp (Field number 112) |
| 9 | +1 | - | - | iflags | Instrument Status and Quality Flags |
instr.01
| Pos | Size | Scaling | Unit | Name | Version Specific Description |
|---|---|---|---|---|---|
| 1 | +4 | - | sec | isec | Integer Seconds Elapsed Since Epoch |
| 2 | +4 | -6 | sec | msec | Microseconds, Fractional Part of isec |
| 3 | +4 | -3 | m | ralt | Altimeter Range
18 Hz Ku-band ice1 ranges Source: SGDR v2.1 Original-Parameter: hz18_ku_band_ice1 (Field number 27) |
| 4 | +2 | -3 | m | stdalt | RMS of Altimeter Range
Source: SGDR-D |
| 5 | 2 | -2 | m | swh | Significant Wave Height
Significant Wave Height from Ku-Band Source: SGDR v2.1 Original-Parameter: ku_sig_wv_ht (Field number 54) |
| 6 | +2 | -2 | m | stdswh | RMS of Significant Wave Height
Standard deviation of 18hz ku-band significant wave height Source: SGDR v2.1 Original-Parameter: sd_18hz_ku_swh (Field number 56) |
| 7 | +2 | -2 | db | sigma0 | Backscatter Coefficient
18 Hz ku-band ice1 backscatter coefficient Source: SGDR v2.1 Original-Parameter: hz18_ku_ice1_bscat (Field number 78) |
| 8 | +1 | -1 | m/s | windsp | Wind Speed
Wind Speed from RA2 Source: SGDR v2.1 Original-Parameter: ra2_wind_sp (Field number 112) |
| 9 | +1 | - | - | iflags | Instrument Status and Quality Flags |
instr.02
| Pos | Size | Scaling | Unit | Name | Version Specific Description |
|---|---|---|---|---|---|
| 1 | +4 | - | sec | isec | Integer Seconds Elapsed Since Epoch |
| 2 | +4 | -6 | sec | msec | Microseconds, Fractional Part of isec |
| 3 | +4 | -3 | m | ralt | Altimeter Range
18 Hz Ku-band ice2 ranges Source: SGDR v2.1 Original-Parameter: hz18_ku_band_ice2 (Field number 29) |
| 4 | +2 | -3 | m | stdalt | RMS of Altimeter Range |
| 5 | 2 | -2 | m | swh | Significant Wave Height
Significant Wave Height from Ku-Band Source: SGDR v2.1 Original-Parameter: ku_sig_wv_ht (Field number 54) |
| 6 | +2 | -2 | m | stdswh | RMS of Significant Wave Height
Standard deviation of 18hz ku-band significant wave height Source: SGDR v2.1 Original-Parameter: sd_18hz_ku_swh (Field number 56) |
| 7 | +2 | -2 | db | sigma0 | Backscatter Coefficient
18 Hz ku-band ice2 backscatter coefficient Source: SGDR v2.1 Original-Parameter: hz18_ku_ice2_bscat (Field number 82) |
| 8 | +1 | -1 | m/s | windsp | Wind Speed
Wind Speed from RA2 Source: SGDR v2.1 Original-Parameter: ra2_wind_sp |
| 9 | +1 | - | - | iflags | Instrument Status and Quality Flags |
instr.03
| Pos | Size | Scaling | Unit | Name | Version Specific Description |
|---|---|---|---|---|---|
| 1 | +4 | - | sec | isec | Integer Seconds Elapsed Since Epoch |
| 2 | +4 | -6 | sec | msec | Microseconds, Fractional Part of isec |
| 3 | +4 | -3 | m | ralt | Altimeter Range
18 Hz Ku-band sea-ice ranges Source: SGDR v2.1 Original-Parameter: hz18_ku_band_seaice (Field number 31) |
| 4 | +2 | -3 | m | stdalt | RMS of Altimeter Range |
| 5 | 2 | -2 | m | swh | Significant Wave Height |
| 6 | +2 | -2 | m | stdswh | RMS of Significant Wave Height
Standard deviation of 18hz ku-band significant wave height Source: SGDR v2.1 Original-Parameter: sd_18hz_ku_swh (Field number 56) |
| 7 | +2 | -2 | db | sigma0 | Backscatter Coefficient
18 Hz ku-band seaice backscatter coefficient Source: SGDR v2.1 Original-Parameter: hz18_ku_seaice_bscat (Field number 84) |
| 8 | +1 | -1 | m/s | windsp | Wind Speed |
| 9 | +1 | - | - | iflags | Instrument Status and Quality Flags |
invbm.00
| Pos | Size | Scaling | Unit | Name | Version Specific Description |
|---|---|---|---|---|---|
| 1 | 2 | -3 | m | invb | Inverse Barometer Effect
Source: SGDR v2.1 Original-Parameter: inv_bar_corr (Field number 40) |
ionos.00
| Pos | Size | Scaling | Unit | Name | Version Specific Description |
|---|---|---|---|---|---|
| 1 | 2 | -3 | m | ionos | Ionospheric Correction
RA2 ionospheric correction on ku-band Source: SGDR v2.1 Original-Parameter: ra2_ion_corr_ku (Field number 43) |
ionos.01
| Pos | Size | Scaling | Unit | Name | Version Specific Description |
|---|---|---|---|---|---|
| 1 | 2 | -3 | m | ionos | Ionospheric correction
Ionospheric correction from DORIS on ku-band Source: SGDR v2.1 Original-Parameter: ion_corr_doris_ku (Field number 45) |
ionos.02
| Pos | Size | Scaling | Unit | Name | Version Specific Description |
|---|---|---|---|---|---|
| 1 | 2 | -3 | m | ionos | Ionospheric correction
Ionospheric correction from model on ku-band Source: SGDR v2.1 Original-Parameter: ion_corr_mod_ku (Field number 47) |
tidee.00
| Pos | Size | Scaling | Unit | Name | Version Specific Description |
|---|---|---|---|---|---|
| 1 | 2 | -3 | m | etide | Solid Earth Tide Correction
Source: SGDR v2.1 Original-Parameter: solid_earth_tide_ht (Field number 106) |
| 2 | 2 | -3 | m | ptide | Pole Tide Correction
Source: SGDR v2.1 Original-Parameter: geocen_pole_tide_ht (Field number 107) |
tropw.00
| Pos | Size | Scaling | Unit | Name | Version Specific Description |
|---|---|---|---|---|---|
| 1 | 2 | -3 | m | wtrop | Wet Tropospheric Correction
Wet Tropospheric Correction derived from MWR Source: SGDR v2.1 Original-Parameter: mwr_wet_tropo_corr (Field number 42) |
tropw.01
| Pos | Size | Scaling | Unit | Name | Version Specific Description |
|---|---|---|---|---|---|
| 1 | 2 | -3 | m | wtrop | Wet Tropospheric Correction
Wet Tropospheric Correction from Model Source: SGDR v2.1 Original-Parameter: mod_wet_tropo_corr (Field number 41) |
uralt.00
| Pos | Size | Scaling | Unit | Name | Version Specific Description |
|---|---|---|---|---|---|
| 1 | +4 | -3 | m | uralt | Tracker Range
18 Hz ku tracker range referenced to the COG (no doppler correction) Source: SGDR-D Original-Parameter: hz18_ku_trk_cog (Field number 13) |