Filename Convention | Documentation | Open Altimeter Database (OpenADB)

Filename Convention (OpenADB-API)

<MISSION>_<LEVEL>_<MODE>_<PRODUCT>_<PHASE>_<FREQ>_<CYCLENR>_<PASSNR>_<STARTDATE>_
<ENDDATE>_<PROCESSDATE>_<NUM_OBS>>_<BASELINE>_<TIMELINESS>_<VERSION>_<REVISION>.nc

JASON1_L2_LRM_SSH_REP_1HZ_C001_P0220_20250102T231243Z_ 20250102T235247Z_ 20250103T121243Z_M00352_D_NTC_V44_R00.nc

SENTINEL6A_L2_REP_SLA_LR_1HZ_C030_P0200_20250102T231243Z_ 20250102T235247Z_ 20250103T121243Z_M04545_X_NTC_V40_R00.nc

SARAL_L2_DRIFT_SSHALES_LRM_40HZ_C110_P0240_ 20250102T231243Z_ 20250102T235247Z_ 20250103T121243Z_M30304_F_NTC_V56_R00.nc

CRYOSAT2_L2_REP_EOT_GOP_1HZ_C108_P0222_ 20250102T231243Z_ 20250102T235247Z_ 20250103T121243Z_M04504_C_NTC_V20_R00.nc

Field	Description
<MISSION>	Altimeter Mission: `CRYOSAT2`, `ENVISAT`, `ERS1`, `ERS2`, `GFO`, `ICESAT`, `ICESAT2`, `JASON1`, `JASON2`, `JASON3`, `SARAL`, `SENTINEL3A`, `SENTINEL3B`, `SENTINEL6A`, `SENTINEL6B`, `SWOT`, `TOPEX`
<LEVEL>	`L1`,`L1B`,`L2`,`L3`,`L4`
<MODE>	`LRM`,`SAR`,`SIN/SARIN`,`LR`,`HR`,`MIX`
<PRODUCT>	`SSH` (Sea Surface Heights) `SLA` (Sea Level Anomalies) `EOT` (Empirical Ocean Tide Model) `IDOT` (Instantaneous Dynamic Ocean Topography) `SSHALES` (ALES Sea Surface Heights)
<PHASE>	`REP` (Nominal Orbit/Repeat Orbit) `INT` (Interleaved Orbit) `GEO` (Geodetic Orbit) `DRIFT` (Drifting Orbit)
<FREQ>	`1HZ`,`10HZ`,`20HZ`,`40HZ`
<CYCLE>	CCC (e.g. 001, 002, 003) - Cycle Number
<PASSNR>	PPPP (e.g. 0022, 0023, 0024) - Pass Number
<STARTDATE>	YYYYMMDDTHHMMSSZ (e.g. 20250102T231243Z) - Date of first measurement
<ENDDATE>	YYYYMMDDTHHMMSSZ (e.g. 20250102T235247Z) - Date of last measurement
<PROCESSDATE>	YYYYMMDDTHHMMSSZ (e.g. 20250103T121243Z) - Date of creation/processing
<NUM_OBS>	MMMMMM (e.g. 002256) - Number of measurements
<BASELINE>	`T` - GDR-T `D` - GDR-D `E` - GDR-E `F` - GDR-F `G` - GDR-G `X` (Unknown)
<TIMELINESS>	`NRT` (Near Real Time) `STC` (Short Time Critical) `NTC` (Non Time Critical)
<VERSION>	VV (e.g. V33, V46, V56) - MVA Version
<REVISION>	RR (e.g. V00, V01, V02) - Release version after reprocessing

Field

Description

Altimeter Mission:
`CRYOSAT2`, `ENVISAT`, `ERS1`, `ERS2`, `GFO`, `ICESAT`, `ICESAT2`, `JASON1`, `JASON2`, `JASON3`, `SARAL`, `SENTINEL3A`, `SENTINEL3B`, `SENTINEL6A`, `SENTINEL6B`, `SWOT`, `TOPEX`

<LEVEL>

`L1`,`L1B`,`L2`,`L3`,`L4`

<MODE>

`LRM`,`SAR`,`SIN/SARIN`,`LR`,`HR`,`MIX`

`SSH` (Sea Surface Heights)
`SLA` (Sea Level Anomalies)
`EOT` (Empirical Ocean Tide Model)
`IDOT` (Instantaneous Dynamic Ocean Topography)
`SSHALES` (ALES Sea Surface Heights)

<PHASE>

`REP` (Nominal Orbit/Repeat Orbit)
`INT` (Interleaved Orbit)
`GEO` (Geodetic Orbit)
`DRIFT` (Drifting Orbit)

<FREQ>

`1HZ`,`10HZ`,`20HZ`,`40HZ`

<CYCLE>

CCC (e.g. 001, 002, 003) - Cycle Number

PPPP (e.g. 0022, 0023, 0024) - Pass Number

YYYYMMDDTHHMMSSZ (e.g. 20250102T231243Z) - Date of first measurement

YYYYMMDDTHHMMSSZ (e.g. 20250102T235247Z) - Date of last measurement

YYYYMMDDTHHMMSSZ (e.g. 20250103T121243Z) - Date of creation/processing

<NUM_OBS>

MMMMMM (e.g. 002256) - Number of measurements

`T` - GDR-T
`D` - GDR-D
`E` - GDR-E
`F` - GDR-F
`G` - GDR-G
`X` (Unknown)

`NRT` (Near Real Time) `STC` (Short Time Critical) `NTC` (Non Time Critical)

VV (e.g. V33, V46, V56) - MVA Version

RR (e.g. V00, V01, V02) - Release version after reprocessing