| id | field name | definition |
|---|
| 0 | mdsr_time |
| binary time | size: 12 |
|---|
Data record time (MDSR time stamp)
unit: "s since 2000-01-01"
value: float(./days) * 86400 + float(./seconds) + float(./microseconds) / 1000000
| binary record | size: 12 |
|---|
ENVISAT binary datetime
| id | field name | definition |
|---|
| 0 | days |
| binary int32 | size: 4 |
|---|
days since January 1st, 2000 (may be negative)
unit: "days since 2000-01-01"
|
|
| 1 | seconds |
| binary uint32 | size: 4 |
|---|
seconds since start of day
unit: "s"
|
|
| 2 | microseconds |
| binary uint32 | size: 4 |
|---|
microseconds since start of second
unit: "1e-6 s"
|
|
|
|
|
| 1 | rec_count |
| binary uint32 | size: 4 |
|---|
|
Record counter (always starts from 1)
|
|
| 2 | lat |
| binary int32 (double) | size: 4 |
|---|
Latitude of measurement
unit: "1e-7 degrees_north"
converted unit: "degrees_north" (multiply by 1/10000000)
|
|
| 3 | lon |
| binary int32 (double) | size: 4 |
|---|
Longitude of measurement
unit: "1e-7 degrees_east"
converted unit: "degrees_east" (multiply by 1/10000000)
|
|
| 4 | alt_cog_ref_ellip |
| binary int32 | size: 4 |
|---|
Altitude of CoG above reference ellipsoid (interpolated value)
unit: "mm"
|
|
| 5 | inst_alt_rate |
| binary int32 | size: 4 |
|---|
Instantaneous altitude rate derived from orbit
unit: "mm/s"
|
|
| 6 | spare_1 |
| binary bytes | size: 10 |
|---|
|
spare
|
hidden: true
|
| 7 | meas_conf_flags |
|
| 8 | src_seq_count |
| binary uint16 | size: 2 |
|---|
|
Source sequence count (from TM-ECHO-SAR)
|
|
| 9 | mode_id |
| binary uint8 | size: 1 |
|---|
|
Mode ID: 1 = LRM, 2 = SAR, 3 = SARin, 33 = CAL3
|
|
| 10 | chirp_bandw |
| binary uint8 | size: 1 |
|---|
|
Chirp bandwidth
|
|
| 11 | rx_band_att_flag |
| binary uint8 | size: 1 |
|---|
|
Rx band attenuation flag
|
|
| 12 | rx_ch_sel |
| binary uint8 | size: 1 |
|---|
|
Rx channel selected
|
|
| 13 | loop_cmd |
| binary uint8 | size: 1 |
|---|
|
Loop command
|
|
| 14 | cycl_report |
| binary uint8 | size: 1 |
|---|
|
Cycle report
|
|
| 15 | agc1 |
| binary uint8 | size: 1 |
|---|
AGC1
unit: "dB"
|
|
| 16 | agc2 |
| binary uint8 | size: 1 |
|---|
AGC2
unit: "dB"
|
|
| 17 | alt_cmd_ho |
| binary int32 (double) | size: 4 |
|---|
Altitude command HO
unit: "48.8 ps"
converted unit: "s" (multiply by 48.8/1000000000000)
|
|
| 18 | vert_spd_hpr |
| binary int16 | size: 2 |
|---|
|
Vertical speed second order HPR (unit: 3.05 ps/rc)
|
|
| 19 | noise_meas |
| binary uint16 (double) | size: 2 |
|---|
Noise measurement
unit: "dB/100"
converted unit: "dB" (multiply by 1/100)
|
|
| 20 | trkr_wavef |
| binary array[128] | size: 256 |
|---|
Tracker waveform (128 samples in FFT power units)
|
|
| 21 | num_trk_echoes |
| binary uint16 | size: 2 |
|---|
|
Number of TRK echoes accumulated
|
|
| 22 | dec_fact |
| binary uint16 | size: 2 |
|---|
|
Decimation factor
|
|
| 23 | proc_echo_sar |
| binary array[64, 64] | size: 8192 |
|---|
Normalised 2D processed echo SAR in FFT power units (power detected samples stored by doppler beam. 64 doppler beams in total. Each doppler beam contains 64 power detected samples.)
|
|
| 24 | cid_sar_pkt |
| binary uint8 | size: 1 |
|---|
|
CID SAR packet
|
|
| 25 | cid_trk_pkt |
| binary uint8 | size: 1 |
|---|
|
CID TRK packet
|
|
| 26 | fft2d_scl_fact |
| binary int32 | size: 4 |
|---|
|
FFT2D scale factor
|
|
| 27 | fft2d_scl_pow |
| binary int32 | size: 4 |
|---|
|
FFT2D scale power
|
|
| 28 | sir_id |
| binary uint8 | size: 1 |
|---|
|
SIRAL Identifier (0 = Nominal, 1 = Redundant)
|
|
| 29 | spare_2 |
| binary bytes | size: 9 |
|---|
|
spare
|
hidden: true
|