| id | field name | definition |
|---|
| 0 | dsr_time |
| binary time | size: 12 |
|---|
Start time (MJD)(this time corresponds to the ZPD crossing time of the first sweep of the scan for which the data is valid or used)
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 | attach_flag |
| binary uint8 | size: 1 |
|---|
|
Attachment flag (always set to zero for this ADSR)
|
|
| 2 | create_time |
| binary time | size: 12 |
|---|
ZPD crossing time of the first sweep coadded in gain for the given direction
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"
|
|
|
|
|
| 3 | quality_flag |
| binary int8 | size: 1 |
|---|
|
Quality indicator (PCD), summarize PCD information per band
|
|
| 4 | min_max_adc |
| binary array[16] | size: 32 |
|---|
IGM average min/max at ADC for each detector. (IGM min at ADC for detectors A1, A2, ..., D2 followed by IGM max at ADC for detectors A1, A2, ..., D2)
|
|
| 5 | prt_avg_temp |
| binary array[5] | size: 40 |
|---|
PRT average temperatures
| binary double | size: 8 |
|---|
|
unit: "K"
|
|
|
| 6 | spare_1 |
| binary bytes | size: 8 |
|---|
|
spare
|
hidden: true
|
| 7 | num_bb_coadded |
| binary uint16 | size: 2 |
|---|
|
Number of blackbody igms coadded
|
|
| 8 | num_bb_corr |
| binary uint16 | size: 2 |
|---|
|
Number of blackbody igms corrupted and not coadded
|
|
| 9 | num_ds_coadded |
| binary uint16 | size: 2 |
|---|
|
Number of deep space igms coadded
|
|
| 10 | num_ds_corr |
| binary uint16 | size: 2 |
|---|
|
Number of deep space igms corrupted and not coadded
|
|
| 11 | fringe_count_err |
| binary int16 | size: 2 |
|---|
|
Fringe count error after current gain measurement wrt previous gain
|
|
| 12 | feo_elem_temp |
| binary array[3] | size: 24 |
|---|
FEO Element temperature
|
|
| 13 | sweep_dir |
| ascii string | size: 1 |
|---|
|
Sweep direction, 'F' = forward and 'R' = reverse
|
|
| 14 | band_valid |
| binary array[5] | size: 5 |
|---|
Band Validity PCD for latest gain measurement. (5 values for bands A, AB, B, C, and D), 0 = non-corrupted, 4 = invalid due to radiometric accuracy verification
|
|
| 15 | det_nonlin_ds |
| binary array[4] | size: 4 |
|---|
Detector non-linearity flux validity. (4 values, for detectors A1, A2, AB and B), 0 = flux value is valid, 1 = flux greater than upper threshold or less than lower threshold for at least 1 DS
|
|
| 16 | det_nonlin_bb |
| binary array[4] | size: 4 |
|---|
Detector non-linearity flux validity. (4 values, for detectors A1, A2, AB and B), 0 = flux value is valid, 1 = flux greater than upper threshold or less than lower threshold for at least 1 BB
|
|
| 17 | spare_2 |
| binary bytes | size: 11 |
|---|
|
Spare
|
hidden: true
|
| 18 | band_info |
| binary array[5] |
|---|
band A, AB, B, C, D information
| binary record |
|---|
| id | field name | definition |
|---|
| 0 | deci_fac |
| binary uint16 | size: 2 |
|---|
|
Decimation factor for current band
|
|
| 1 | num_spikes |
| binary uint32 | size: 4 |
|---|
|
Number of detected/corrected spikes
|
|
| 2 | igm_id |
| binary array[10] | size: 20 |
|---|
Sweep ID of igms containing spikes (room for 10 values, unused entries set to zero)
|
|
| 3 | spike_pos |
| binary array[10] | size: 40 |
|---|
Spike positions in the interferogram (room for 10 values, unused entries set to zero)
|
|
| 4 | spike_amp |
| binary array[10] | size: 160 |
|---|
Spike amplitudes (room for 10 complex values, each i followed by q. Unused entries set to zero). Spikes occurred at positions described by the corresponding entry in previous fields.
| binary complex | size: 16 |
|---|
| binary record | size: 16 |
|---|
| id | field name | definition |
|---|
| 0 | real |
|
| 1 | imaginary |
|
|
|
|
|
| 5 | remain_spikes |
| binary uint32 | size: 4 |
|---|
|
Number of remaining detected/corrected spikes
|
|
| 6 | average_remain_spikes |
| binary array[2] | size: 16 |
|---|
Average amplitudes of remaining detected/corrected spikes
|
|
| 7 | num_band_points |
| binary uint32 | size: 4 |
|---|
|
Number of points in band
|
|
| 8 | wavenumber_first |
| binary double | size: 8 |
|---|
Wavenumber of first point in band
unit: "1/cm"
|
|
| 9 | wavenumber_last |
| binary double | size: 8 |
|---|
Wavenumber of last point in band
unit: "1/cm"
|
|
| 10 | complex_points |
| binary array[dim_0] |
|---|
Complex data points
dim_0: int(../num_band_points)
| binary complex | size: 8 |
|---|
| binary record | size: 8 |
|---|
| id | field name | definition |
|---|
| 0 | real |
|
| 1 | imaginary |
|
|
|
|
|
|
|
|