id | field name | definition |
0 | dsr_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"
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1 | seconds |
binary uint32 | size: 4 |
seconds since start of day
unit: "s"
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2 | microseconds |
binary uint32 | size: 4 |
microseconds since start of second
unit: "1e-6 s"
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1 | quality_flag |
binary int8 | size: 1 |
Quality indicator (PCD), summarize PCD information per band
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2 | 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)
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3 | prt_avg_temp |
binary array[5] | size: 40 |
PRT average temperatures
binary double | size: 8 |
unit: "K"
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4 | spare_1 |
binary bytes | size: 8 |
spare
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hidden: true
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5 | num_bb_coadded |
binary uint16 | size: 2 |
Number of blackbody igms coadded
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6 | num_bb_corr |
binary uint16 | size: 2 |
Number of blackbody igms corrupted and not coadded
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7 | num_ds_coadded |
binary uint16 | size: 2 |
Number of deep space igms coadded
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8 | num_ds_corr |
binary uint16 | size: 2 |
Number of deep space igms corrupted and not coadded
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9 | fringe_count_err |
binary int16 | size: 2 |
Fringe count error after current gain measurement wrt previous gain
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10 | feo_elem_temp |
binary array[3] | size: 24 |
FEO Element temperature
binary double | size: 8 |
unit: "K"
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11 | sweep_dir |
ascii string | size: 1 |
Sweep direction, 'F' = forward and 'R' = reverse
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12 | 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
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13 | 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
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14 | 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
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15 | spare_2 |
binary bytes | size: 11 |
Spare
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hidden: true
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16 | band_info |
binary array[5] |
band information for bands A, AB, B, C, D
binary record |
id | field name | definition |
0 | deci_fac |
binary uint16 | size: 2 |
Decimation factor for current band
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1 | num_spikes |
binary uint32 | size: 4 |
Number of detected/corrected spikes
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2 | igm_id |
binary array[10] | size: 20 |
Sweep ID of igms containing spikes (room for 10 values, unused entries set to zero)
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3 | spike_pos |
binary array[10] | size: 40 |
Spike positions in the interferogram (room for 10 values, unused entries set to zero)
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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 |
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1 | imaginary |
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5 | remain_spikes |
binary uint32 | size: 4 |
Number of remaining detected/corrected spikes
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6 | average_remain_spikes |
binary array[2] | size: 16 |
Average amplitudes of remaining detected/corrected spikes
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7 | num_band_points |
binary uint32 | size: 4 |
Number of points in band
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8 | wavenumber_first |
binary double | size: 8 |
Wavenumber of first point in band
unit: "1/cm"
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9 | wavenumber_last |
binary double | size: 8 |
Wavenumber of last point in band
unit: "1/cm"
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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 |
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1 | imaginary |
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