Parameter-Documentation

Generic Description:	Integer Seconds Elapsed Since Epoch
Parameter:	isec	Recordmap:	instr
Unit:	sec	Size:	+4	Scaling:	-

Version 00

CryoSat-2 (Extended Mission) GOP 1Hz	Integer Seconds Elapsed Since Epoch
CryoSat-2 GOP 1Hz	Integer Seconds Elapsed Since Epoch
ERS-1 (Phase A) SGDR/REAPER 1Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time
ERS-1 (Phase A) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase B) SGDR/REAPER 1Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time
ERS-1 (Phase B) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase C) SGDR/REAPER 1Hz	Integer Seconds Elapsed Since Epoch
ERS-1 (Phase C) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase D) SGDR/REAPER 1Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time
ERS-1 (Phase D) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase E) SGDR/REAPER 1Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time
ERS-1 (Phase E) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase F) SGDR/REAPER 1Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time
ERS-1 (Phase F) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase G) SGDR/REAPER 1Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time
ERS-1 (Phase G) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-2 SGDR/REAPER 1Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time
ERS-2 SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
Envisat (Extended Mission) SGDR v2.1 1Hz	Integer Seconds Elapsed Since Epoch
Envisat (Extended Mission) SGDR v3.0 1Hz	Integer Seconds Elapsed Since Epoch Source: SGDR v3.0 Original-Parameter: time_01
Envisat SGDR v2.1 1Hz	Integer Seconds Elapsed Since Epoch
Envisat SGDR v2.1 20Hz	Integer Seconds Elapsed Since Epoch
Envisat SGDR v3.0 1Hz	Integer Seconds Elapsed Since Epoch Source: SGDR v3.0 Original-Parameter: time_01
Geosat Follow-On GDR 1Hz	Integer Seconds Elapsed Since Epoch
Jason-1 (Extended Mission) SGDR-E 1Hz	Integer Seconds Elapsed Since Epoch
Jason-1 (Geodetic Mission) SGDR-E 1Hz	Integer Seconds Elapsed Since Epoch
Jason-1 SGDR-E 1Hz	Integer Seconds Elapsed Since Epoch
Jason-2 (Extended Mission) SGDR-D 1Hz	Integer Seconds Elapsed Since Epoch
Jason-2 (Extended Mission) SGDR-D 20Hz	Integer Seconds Elapsed Since Epoch
Jason-2 (Geodetic Mission, Phase 1) SGDR-D 1Hz	Integer Seconds Elapsed Since Epoch
Jason-2 (Geodetic Mission, Phase 2) SGDR-D 1Hz	Integer Seconds Elapsed Since Epoch
Jason-2 SGDR-D 1Hz	Integer Seconds Elapsed Since Epoch
Jason-2 SGDR-D 20Hz	Integer Seconds Elapsed Since Epoch
Jason-3 (Extended Mission) SGDR-F 1Hz	Integer Seconds Elapsed Since Epoch Time of measurement in seconds in the UTC time scale since 1 Jan 2000 00:00:00 UTC. [tai_utc_difference] is the difference between TAI and UTC reference time (seconds) for the first measurement of the data set. If a leap second occurs within the data set, the attribute [leap_second] is set to the UTC time at which the leap second occurs Source: SGDR-F Original-Parameter: data_01/time
Jason-3 (Extended Mission) SGDR-F 20Hz	Integer Seconds Elapsed Since Epoch Named time_20hz in GDR-D standard. Time of measurement in seconds in the UTC time scale since 1 Jan 2000 00:00:00 UTC. [tai_utc_difference] is the difference between TAI and UTC reference time (seconds) for the first measurement of the data set. If a leap second occurs within the data set, the attribute [leap_second] is set to the UTC time at which the leap second occurs Source: SGDR-F Original-Parameter: data_20/time
Jason-3 SGDR-D 1Hz	Integer Seconds Elapsed Since Epoch
Jason-3 SGDR-D 20Hz	Integer Seconds Elapsed Since Epoch
Jason-3 SGDR-F 1Hz	Integer Seconds Elapsed Since Epoch Source: SGDR-F Original-Parameter: data_01/time
Jason-3 SGDR-F 20Hz	Integer Seconds Elapsed Since Epoch Named time_20hz in GDR-D standard. Time of measurement in seconds in the UTC time scale since 1 Jan 2000 00:00:00 UTC. [tai_utc_difference] is the difference between TAI and UTC reference time (seconds) for the first measurement of the data set. If a leap second occurs within the data set, the attribute [leap_second] is set to the UTC time at which the leap second occurs Source: SGDR-F Original-Parameter: data_20/time
Poseidon GDR 1Hz	Integer Seconds Elapsed Since Epoch
SARAL (Drifting Phase) SGDR-T 1Hz	Integer Seconds Elapsed Since Epoch
SARAL SGDR-T 1Hz	Integer Seconds Elapsed Since Epoch
Sentinel-3A (SAR) SGDR/NTC 1Hz	Integer Seconds Elapsed Since Epoch
Sentinel-3B (SAR) SGDR/NTC 1Hz	Integer Seconds Elapsed Since Epoch
Sentinel-6A (HR) NTC/F08 1Hz	Integer Seconds Elapsed Since Epoch It contains the seconds since 1 Jan 2000 00:00:00. Time is in UTC. Time refers to the instant the L1B waveform (which is a combination of echoes for both LR and HR) touches the surface. Whenever a leap second occurs, the attribute leap_second will be set to the appropriate value Source: NTC/F08 Original-Parameter: data_01/time
Sentinel-6A (HR) NTC/F08 20Hz	Integer Seconds Elapsed Since Epoch It contains the seconds since 1 Jan 2000 00:00:00. Time is in UTC. Time refers to the instant the L1B waveform (which is a combination of echoes for both LR and HR) touches the surface. Whenever a leap second occurs, the attribute leap_second will be set to the appropriate value Source: NTC/F08 Original-Parameter: data_20/ku/time
Sentinel-6A (LR) NTC/F08 1Hz	Integer Seconds Elapsed Since Epoch It contains the seconds since 1 Jan 2000 00:00:00. Time is in UTC. Time refers to the instant the L1B waveform (which is a combination of echoes for both LR and HR) touches the surface. Whenever a leap second occurs, the attribute leap_second will be set to the appropriate value Source: NTC/F08 Original-Parameter: data_01/time
Sentinel-6A (LR) NTC/F08 20Hz	Integer Seconds Elapsed Since Epoch It contains the seconds since 1 Jan 2000 00:00:00. Time is in UTC. Time refers to the instant the L1B waveform (which is a combination of echoes for both LR and HR) touches the surface. Whenever a leap second occurs, the attribute leap_second will be set to the appropriate value Source: NTC/F08 Original-Parameter: data_20/ku/time
Topex (Extended Mission) GDR 1Hz	Integer Seconds Elapsed Since Epoch
Topex (Extended Mission) GDR-F 1Hz	Integer Seconds Elapsed Since Epoch [tai_utc_difference] is the difference between TAI and UTC reference time (seconds) for the first measurement of the data set. [leap_second] is the UTC time at which a leap second occurs in the data set, if any. After this UTC time, the tai_utc_difference is increased by 1 second. Source: GDR-F Original-Parameter: time
Topex (Extended Mission) GDR-F 20Hz	Integer Seconds Elapsed Since Epoch [tai_utc_difference] is the difference between TAI and UTC reference time (seconds) for the first measurement of the data set. [leap_second] is the UTC time at which a leap second occurs in the data set, if any. After this UTC time, the tai_utc_difference is increased by 1 second. Source: GDR-F Original-Parameter: time_20hz
Topex GDR 1Hz	Integer Seconds Elapsed Since Epoch
Topex GDR-F 1Hz	Integer Seconds Elapsed Since Epoch [tai_utc_difference] is the difference between TAI and UTC reference time (seconds) for the first measurement of the data set. [leap_second] is the UTC time at which a leap second occurs in the data set, if any. After this UTC time, the tai_utc_difference is increased by 1 second. Source: GDR-F Original-Parameter: time
Topex GDR-F 20Hz	Integer Seconds Elapsed Since Epoch [tai_utc_difference] is the difference between TAI and UTC reference time (seconds) for the first measurement of the data set. [leap_second] is the UTC time at which a leap second occurs in the data set, if any. After this UTC time, the tai_utc_difference is increased by 1 second. Source: GDR-F Original-Parameter: time_20hz

Version 01

Cryosat-2 (SAR) SGDR-E 20Hz	Integer Seconds Elapsed Since Epoch
Cryosat-2 (SAR, Extended Mission) SGDR-E 20Hz	Integer Seconds Elapsed Since Epoch
ERS-1 (Phase A) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase B) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase C) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase D) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase E) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase F) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase G) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-2 SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
Envisat SGDR v2.1 20Hz	Integer Seconds Elapsed Since Epoch
Jason-2 SGDR-D 1Hz	Integer Seconds Elapsed Since Epoch
Jason-2 SGDR-D 20Hz	Integer Seconds Elapsed Since Epoch
Jason-3 (Extended Mission) SGDR-F 20Hz	Integer Seconds Elapsed Since Epoch Time of measurement in seconds in the UTC time scale since 1 Jan 2000 00:00:00 UTC. [tai_utc_difference] is the difference between TAI and UTC reference time (seconds) for the first measurement of the data set. If a leap second occurs within the data set, the attribute [leap_second] is set to the UTC time at which the leap second occurs Source: SGDR-F Original-Parameter: data_01/time
Jason-3 SGDR-D 1Hz	Integer Seconds Elapsed Since Epoch
Jason-3 SGDR-D 20Hz	Integer Seconds Elapsed Since Epoch
Jason-3 SGDR-F 20Hz	Integer Seconds Elapsed Since Epoch Time of measurement in seconds in the UTC time scale since 1 Jan 2000 00:00:00 UTC. [tai_utc_difference] is the difference between TAI and UTC reference time (seconds) for the first measurement of the data set. If a leap second occurs within the data set, the attribute [leap_second] is set to the UTC time at which the leap second occurs Source: SGDR-F Original-Parameter: data_01/time
Sentinel-6A (HR) NTC/F08 20Hz	Integer Seconds Elapsed Since Epoch It contains the seconds since 1 Jan 2000 00:00:00. Time is in UTC. Time refers to the instant the L1B waveform (which is a combination of echoes for both LR and HR) touches the surface. Whenever a leap second occurs, the attribute leap_second will be set to the appropriate value Source: NTC/F08 Original-Parameter: data_20/ku/time
Sentinel-6A (LR) NTC/F08 20Hz	Integer Seconds Elapsed Since Epoch It contains the seconds since 1 Jan 2000 00:00:00. Time is in UTC. Time refers to the instant the L1B waveform (which is a combination of echoes for both LR and HR) touches the surface. Whenever a leap second occurs, the attribute leap_second will be set to the appropriate value Source: NTC/F08 Original-Parameter: data_20/ku/time
Topex (Extended Mission) GDR-F 1Hz	Integer Seconds Elapsed Since Epoch [tai_utc_difference] is the difference between TAI and UTC reference time (seconds) for the first measurement of the data set. [leap_second] is the UTC time at which a leap second occurs in the data set, if any. After this UTC time, the tai_utc_difference is increased by 1 second. Source: GDR-F Original-Parameter: time
Topex (Extended Mission) GDR-F 20Hz	Integer Seconds Elapsed Since Epoch [tai_utc_difference] is the difference between TAI and UTC reference time (seconds) for the first measurement of the data set. [leap_second] is the UTC time at which a leap second occurs in the data set, if any. After this UTC time, the tai_utc_difference is increased by 1 second. Source: GDR-F Original-Parameter: time_20hz
Topex GDR-F 1Hz	Integer Seconds Elapsed Since Epoch [tai_utc_difference] is the difference between TAI and UTC reference time (seconds) for the first measurement of the data set. [leap_second] is the UTC time at which a leap second occurs in the data set, if any. After this UTC time, the tai_utc_difference is increased by 1 second. Source: GDR-F Original-Parameter: time
Topex GDR-F 20Hz	Integer Seconds Elapsed Since Epoch [tai_utc_difference] is the difference between TAI and UTC reference time (seconds) for the first measurement of the data set. [leap_second] is the UTC time at which a leap second occurs in the data set, if any. After this UTC time, the tai_utc_difference is increased by 1 second. Source: GDR-F Original-Parameter: time_20hz

Version 02

ERS-1 (Phase A) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase B) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase C) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase D) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase E) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase F) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase G) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-2 SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
Envisat SGDR v2.1 1Hz	Integer Seconds Elapsed Since Epoch
Envisat SGDR v2.1 20Hz	Integer Seconds Elapsed Since Epoch
Jason-2 SGDR-D 20Hz	Integer Seconds Elapsed Since Epoch
Jason-3 (Extended Mission) SGDR-F 1Hz	Integer Seconds Elapsed Since Epoch Time of measurement in seconds in the UTC time scale since 1 Jan 2000 00:00:00 UTC. [tai_utc_difference] is the difference between TAI and UTC reference time (seconds) for the first measurement of the data set. If a leap second occurs within the data set, the attribute [leap_second] is set to the UTC time at which the leap second occurs Source: SGDR-F Original-Parameter: data_01/time
Jason-3 (Extended Mission) SGDR-F 20Hz	Integer Seconds Elapsed Since Epoch Named time_20hz in GDR-D standard. Time of measurement in seconds in the UTC time scale since 1 Jan 2000 00:00:00 UTC. [tai_utc_difference] is the difference between TAI and UTC reference time (seconds) for the first measurement of the data set. If a leap second occurs within the data set, the attribute [leap_second] is set to the UTC time at which the leap second occurs Source: SGDR-F Original-Parameter: data_20/time
Jason-3 SGDR-F 1Hz	Integer Seconds Elapsed Since Epoch Time of measurement in seconds in the UTC time scale since 1 Jan 2000 00:00:00 UTC. [tai_utc_difference] is the difference between TAI and UTC reference time (seconds) for the first measurement of the data set. If a leap second occurs within the data set, the attribute [leap_second] is set to the UTC time at which the leap second occurs Source: SGDR-F Original-Parameter: data_01/time
Jason-3 SGDR-F 20Hz	Integer Seconds Elapsed Since Epoch Named time_20hz in GDR-D standard. Time of measurement in seconds in the UTC time scale since 1 Jan 2000 00:00:00 UTC. [tai_utc_difference] is the difference between TAI and UTC reference time (seconds) for the first measurement of the data set. If a leap second occurs within the data set, the attribute [leap_second] is set to the UTC time at which the leap second occurs Source: SGDR-F Original-Parameter: data_20/time

Version 03

ERS-1 (Phase A) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase B) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase C) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase D) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase E) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase F) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-1 (Phase G) SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
ERS-2 SGDR/REAPER 20Hz	Integer Seconds Elapsed Since Epoch Time counted in seconds since 1990-01-01 00:00:00. Source: SGDR/REAPER Original-Parameter: time_20hz
Envisat SGDR v2.1 20Hz	Integer Seconds Elapsed Since Epoch

Version 04

Cryosat-2 (SAR) SGDR-E 20Hz	Integer Seconds Elapsed Since Epoch Source: instr.01 (Cryosat-2 ICE Baseline-E (SAR)) MVA-Parameters: - Integer Seconds Elapsed Since Epoch (isec.01)
Cryosat-2 (SAR, Extended Mission) SGDR-E 20Hz	Integer Seconds Elapsed Since Epoch Source: instr.01 (Cryosat-2 ICE Baseline-E (SAR)) MVA-Parameters: - Integer Seconds Elapsed Since Epoch (isec.01)

Version 05

All Missions	Integer Seconds Elapsed Since Epoch

Version 06

All Missions	Integer Seconds Elapsed Since Epoch

Version 07

All Missions	Integer Seconds Elapsed Since Epoch