Parameter-Documentation

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

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