Recordmaps by Mission

Mission Envisat
MVA-Name envisat
Source SGDR v2.1
Frequency 1

agc.00

Pos Size Scaling Unit Name Version Specific Description
1 2 -2 db agc Automatic Gain Control
Ku band net instrumental correction for AGC
Source: SGDR v2.1
Original-Parameter: ku_net_instr_corr_agc (Field number 86)
2 +2 -2 db agc_rms RMS of AGC

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)

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
Ku-band ocean ranges
Source: SGDR v2.1
Original-Parameter: ku_band_ocean_range (Field number 17)
4 +2 -3 m stdalt RMS of Altimeter Range
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
Source: SGDRv2.1
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
Source: SGDR v2.1
Flags:
1 : agc_rms_ku > agc_ku
2 : swh_rms_ku > swh_ku
8 : range_numval_ku < 12
64 : rain_flag != 0 || ice_flag != 0
128 : range_rms_ku == nan

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
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
7 +2 -2 db sigma0 Backscatter Coefficient
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: GDR 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: GDR 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: GDR v2.1
Original-Parameter: ion_corr_mod_ku (Field number 47)

orbit.00

Pos Size Scaling Unit Name Version Specific Description
1 +4 -6 deg glon Longitude
Source: SGDR v2.1
Original-Parameter: lon (Field number 05)
2 4 -6 deg glat Latitude
Source: SGDR v2.1
Original-Parameter: lat
3 +4 -3 m hsat Satellite Altitude
Satellite Altitude above TOPEX Ellipsoid
Source: SGDR v2.1
Original-Parameter: alt_cog_ellip (Field number 09)
4 +1 - - oflags Orbit Status and Quality Flags

orbit.11

Pos Size Scaling Unit Name Version Specific Description
1 +4 -6 deg glon Longitude
2 4 -6 deg glat Latitude
3 +4 -3 m hsat Satellite Altitude
4 +1 - - oflags Orbit Status and Quality Flags

slafg.31

Pos Size Scaling Unit Name Version Specific Description
1 2 -3 m sla Sea Level Anomalies
MVA-Parameters:
- Undefined recordmap (ptr.00)
- Ku-band ocean ranges (ralt.00)
- Wet Tropospheric Correction from Vienna Mapping Function (VMF3) (wtrop.06)
- Pole Tide Correction (ptide.00)
- Ocean Tide Correction of EOT11a (otide.15)
- Dry Tropospheric Correction from ECMWF Model (dtrop.00)
- Ocean Load Tide Correction of EOT11a (ltide.15)
- Satellite Altitude (hsat.11)
- Mean Sea Surface Height from CLS2011 (mssh.04)
- Instrument Status and Quality Flags (iflags.00)
- Orbit Status and Quality Flags (oflags.00)
- MMXO15 (oer.15)
- Sea State Bias from Ku-Band (emb.00)
- derived from JPL-GIM, IRI scaled (ionos.04)
- Undefined parameter (invb.04)
- Solid Earth Tide Correction (etide.00)
2 +1 - - gflags Geophysical Corrections Quality Flags

slafg.33

Pos Size Scaling Unit Name Version Specific Description
1 2 -3 m sla Sea Level Anomalies
CLS11, EOT11a, DAC, MMXO16
2 +1 - - gflags Geophysical Corrections Quality Flags

sshfg.33

Pos Size Scaling Unit Name Version Specific Description
1 4 -3 m ssh Sea Surface Heights
consistent with SLA version 33 and CLS11
MVA-Parameters:
- Mean Sea Surface Height from CLS2011 (mssh.04)
- CLS11, EOT11a, DAC, MMXO16 (sla.33)
- Land Ocean Flags from GMT (lwmask.00)
2 +1 - - sflag Geophysical Corrections Quality Flags
MVA-Parameters:
- Geophysical Corrections Quality Flags (gflags.33)
- CLS11, EOT11a, DAC, MMXO16 (sla.33)
- Land Ocean Flags from GMT (lwmask.00)

sshfg.55

Pos Size Scaling Unit Name Version Specific Description
1
2

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)

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