Recordmaps by Mission

Mission Topex (Extended Mission)
MVA-Name topex_em
Source GDR
Frequency 1

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
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

ionos.00

Pos Size Scaling Unit Name Version Specific Description
1 2 -3 m ionos Ionospheric correction
Ionospheric correction on Ku band
Source: GDR-B

orbit.00

Pos Size Scaling Unit Name Version Specific Description
1 +4 -6 deg glon Longitude
Source: GDR-B
Original-Parameter: lon
2 4 -6 deg glat Latitude
Source: GDR-B
Original-Parameter: lat
3 +4 -3 m hsat Satellite Altitude
Satellite Altitude above TOPEX Ellipsoid
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:
- Altimeter Range (ralt.00)
- Undefined parameter (ptide.00)
- Ocean Tide Correction of EOT11a (otide.15)
- Undefined parameter (dtrop.00)
- Ocean Load Tide Correction of EOT11a (ltide.15)
- Smoothed ionospheric correction based on ionos.00 (ionos.06)
- Undefined parameter (hsat.24)
- 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)
- Undefined parameter (emb.00)
- Undefined parameter (wtrop.03)
- Undefined parameter (invb.04)
- Undefined parameter (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
MVA-Parameters:
- Orbit Status and Quality Flags (oflags.00)
- Undefined parameter (hsat.24)
- Instrument Status and Quality Flags (iflags.00)
- Undefined parameter (etide.00)
- Mean Sea Surface Height from CLS2011 (mssh.04)
- Undefined parameter (invb.04)
- Smoothed ionospheric correction based on ionos.00 (ionos.06)
- Undefined parameter (emb.01)
- Undefined parameter (dtrop.00)
- Undefined parameter (oer.66)
- Altimeter Range (ralt.00)
- Ocean Load Tide Correction of EOT11a (ltide.15)
- Ocean Tide Correction of EOT11a (otide.15)
- Undefined parameter (ptide.00)
- Undefined parameter (wtrop.03)
2 +1 - - gflags Geophysical Corrections Quality Flags
MVA-Parameters:
- Smoothed ionospheric correction based on ionos.00 (ionos.06)
- Undefined parameter (emb.01)
- Undefined parameter (dtrop.00)
- Undefined parameter (oer.66)
- Undefined parameter (fic.00)
- Undefined parameter (wtrop.03)

slafg.40

Pos Size Scaling Unit Name Version Specific Description
1 2 -3 m sla Sea Level Anomalies
DTU15, EOT20, DAC, MMXO22
MVA-Parameters:
- Dry Tropospheric Correction from Vienna Mapping Function (VMF3) (dtrop.06)
- Solid Earth Tide Correction using IERS Convention 2010 (etide.06)
- Internal Tide Correction (itide.01)
- Ocean Tide Correction of EOT20 (otide.22)
- Wet Tropospheric Correction from Vienna Mapping Function (VMF3) (wtrop.06)
- Ocean Load Tide Correction of EOT22 (ltide.22)
- Undefined parameter (emb.00)
- Mean Sea Surface Height from DTU15 (mssh.05)
- Instrument Status and Quality Flags (iflags.00)
- Inverse Barometer Effect from DAC (AVISO) (invb.05)
- Radial Orbit Error from MMXO22 (oer.22)
- Undefined parameter (ionos.02)
- Altimeter Range (ralt.00)
- Orbit Status and Quality Flags (oflags.00)
- Pole Tide Correction (ptide.05)
- Satellite Altitude above TOPEX Ellipsoid (hsat.00)
2 +1 - - gflags Geophysical Corrections Quality Flags
Flags:
1 : dtrop not in [-2.5,...,-1.9]
2 : wtrop not in [-0.5,...,-0.001]
4 : ionos not in [-0.4,...,0.01]
8 : emb not in [-0.4,...,0.01]
16 : oer not in [-0.038,...,0.024]
128 : fic > 128

MVA-Parameters:
- Dry Tropospheric Correction from Vienna Mapping Function (VMF3) (dtrop.06)
- Undefined parameter (emb.00)
- Wet Tropospheric Correction from Vienna Mapping Function (VMF3) (wtrop.06)
- Radial Orbit Error from MMXO22 (oer.22)
- Undefined parameter (ionos.02)
- Fractional Ice Concentration from NSIDC (fic.01)

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.40

Pos Size Scaling Unit Name Version Specific Description
1 4 -3 m ssh Sea Surface Heights
consistent with SLA version 40 and DTU15
MVA-Parameters:
- Land Ocean Flags from GMT (lwmask.01)
- DTU15, EOT20, DAC, MMXO22 (sla.40)
- Mean Sea Surface Height from DTU15 (mssh.05)
2 +1 - - sflag Geophysical Corrections Quality Flags
MVA-Parameters:
- Land Ocean Flags from GMT (lwmask.01)
- Geophysical Corrections Quality Flags (gflags.40)
- DTU15, EOT20, DAC, MMXO22 (sla.40)

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