SIR_L1B_SAR_MDSR_v1

binary record "SIR_L1B_SAR_MDSR_v1"size: 16564
SIRAL L1B SAR measurement data set record

idfield namedefinition
0time_orb_data
binary array[20]size: 2040
Time and orbit data
binary record "SIR_L1B_TIME_ORBIT_DATA_v1"size: 102
1meas_data
binary array[20]size: 1680
Measurement data
binary record "SIR_L1B_MEAS_DATA"size: 84
2dry_tropo_corr
binary int32size: 4
Dry tropospheric correction

unit: "mm"
3wet_tropo_corr
binary int32size: 4
Wet tropospheric correction

unit: "mm"
4inv_barom_corr
binary int32size: 4
Inverse barometric correction

unit: "mm"
5dyn_atm_corr
binary int32size: 4
Dynamic atmospheric correction

unit: "mm"
6ion_corr_gim
binary int32size: 4
GIM ionospheric correction

unit: "mm"
7ion_corr_mdl
binary int32size: 4
Model ionospheric correction

unit: "mm"
8elast_ocean_tide
binary int32size: 4
Elastic ocean tide

unit: "mm"
9lp_ocean_tide
binary int32size: 4
Long period ocean tide

unit: "mm"
10ocean_load_tide
binary int32size: 4
Ocean loading tide

unit: "mm"
11sol_earth_tide
binary int32size: 4
Solid earth tide

unit: "mm"
12geocen_pol_tide
binary int32size: 4
Geocentric polar tide

unit: "mm"
13surf_type
binary uint32size: 4
Surface type flag, enumerated key to classify surface at nadir
14spare_1
binary bytessize: 4
spare

hidden: true
15corr_stat_flags
binary record "SIR_FBR_L1B_CORR_STAT"size: 4
16corr_err_flags
binary record "SIR_FBR_L1B_CORR_ERR"size: 4
17spare_2
binary bytessize: 4
spare

hidden: true
18mdsr_time
binary timesize: 12
Data record time (MDSR time stamp)

unit: "s since 2000-01-01"

value: float(./days) * 86400 + float(./seconds) + float(./microseconds) / 1000000
binary recordsize: 12
ENVISAT binary datetime

idfield namedefinition
0days
binary int32size: 4
days since January 1st, 2000 (may be negative)

unit: "days since 2000-01-01"
1seconds
binary uint32size: 4
seconds since start of day

unit: "s"
2microseconds
binary uint32size: 4
microseconds since start of second

unit: "1e-6 s"
19lat
binary int32 (double)size: 4
Latitude of measurement

unit: "1e-7 degrees_north"

converted unit: "degrees_north" (multiply by 1/10000000)
20lon
binary int32 (double)size: 4
Longitude of measurement

unit: "1e-7 degrees_east"

converted unit: "degrees_east" (multiply by 1/10000000)
21alt_cog_ref_ellip
binary int32size: 4
Altitude of CoG above reference ellipsoid (interpolated value)

unit: "mm"
22win_delay
binary int64 (double)size: 8
Window delay (two-way) uncorrected for instrument delays

unit: "1e-12 s"

converted unit: "s" (multiply by 1/1000000000000)
23avg_pow_echo_wavef
binary array[128]size: 256
1 Hz averaged power echo waveform (in scaled units)
binary uint16size: 2
24echo_scl_fact
binary int32size: 4
Echo scale factor (to scale echo to watts)
25echo_scl_pow
binary int32size: 4
Echo scale power (a power of 2)
26num_echo
binary uint16size: 2
Number of echoes averaged
27flag
binary recordsize: 2
Flag

idfield namedefinition
0echo_err
binary uint8size: 0:1
1 Hz echo error: 0 = 1Hz echo computed, 1 = 1Hz echo not computed
1spare
binary bytessize: 1:6
spare

hidden: true
2misp_err
binary uint8size: 0:1
Mispointing error: 1 = bad angles, 0 = no error
28wavef_data
binary array[20]size: 12480
Waveform data
binary recordsize: 624
Waveform data

idfield namedefinition
0avg_pow_echo_wavef
binary array[256]size: 512
Averaged power echo waveform (in scaled units)
binary uint16size: 2
1echo_scl_fact
binary int32size: 4
Echo scale factor (to scale echo to watts)
2echo_scl_pow
binary int32size: 4
Echo scale power (a power of 2)
3num_echo
binary uint16size: 2
Number of echoes averaged
4flag
binary record "SIR_L1B_WAVEFORM_FLAGS"size: 2
5beam_beh_params
binary record "SIR_L1B_BEAM_PARAM_v1"size: 100