SIR_CAL1_SAR_MDSR_v0

binary record ""

size: 16992

SIRAL CAL1-SAR measurement data set record

field name

definition

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"

uso_corr

binary int32 (double)	size: 4
USO correction factor converted unit: "" (multiply by 1/1000000000000000)

mode_id

binary uint16	size: 2
Mode ID

spare_1

binary bytes	size: 2
spare

hidden: true

instr_conf_flags

binary uint32	size: 4
Instrument configuration flags

rec_count

binary uint32	size: 4
Record counter (always starts from 1)

lat

binary int32 (double)	size: 4
Latitude of measurement unit: "1e-7 degrees_north" converted unit: "degrees_north" (multiply by 1/10000000)

lon

binary int32 (double)	size: 4
Longitude of measurement unit: "1e-7 degrees_east" converted unit: "degrees_east" (multiply by 1/10000000)

alt_cog_ref_ellip

binary int32	size: 4
Altitude of CoG above reference ellipsoid (interpolated value) unit: "mm"

inst_alt_rate

binary int32	size: 4
Instantaneous altitude rate derived from orbit unit: "mm/s"

meas_conf_flags

binary record

size: 4

Measurement confidence flags

field name

definition

cal_err

binary uint8	size: 0:1
CAL error: 0 = valid record, 1 = invalid record

spare_1

binary bytes	size: 0:3
spare (reserved, set to 0)

hidden: true

cal1_corr_miss

binary uint8	size: 0:1
CAL1 correction missing: 0 = correction applied, 1 = correction not applied

auto_cal1_ipf_used

binary uint8	size: 0:1
AUTO CAL1 correction from IPF DB: 0 = correction from complex CAL1 product used, 1 = correction from IPF DB used

agc_inc

binary uint8	size: 0:1
AGC inconsistency: 0 = OK (AGC is static), 1 = AGC stepping detected

frec_synth_inc

binary uint8	size: 0:1
Frequency synthesiser inconsistency: 0 = OK (frequency synthesiser command is static), 1 = frequency synthesiser command stepping detected

ptr_comp_err

binary uint8	size: 0:1
PTR computation error: 0 = average PTR computed, 1 = error (not available)

cal2_corr_miss

binary uint8	size: 0:1
CAL2 correction missing: 0 = correction applied to PTR, 1 = correction not applied

cal2_ipf_used

binary uint8	size: 0:1
CAL2 correction from IPF DB: 0 = correction from CAL1 product used, 1 = correction from IPF DB used

doris_uso_corr

binary uint8	size: 0:1
DORIS USO correction: 0 = OK, correction available, 1 = correction not available

ptr_meth

binary uint8	size: 0:1
PTR analysis method: 0 = Gauss fitting, 1 = search for maximum

ptr_width_err

binary uint8	size: 0:1
PTR width error: 0 = OK, 1 = error (width is out of range)

ptr_pslr_err

binary uint8	size: 0:1
PTR PSLR error: 0 = OK, 1 = error (PSLR is out of range)

gain_corr_err

binary uint8	size: 0:1
Gain correction error: 0 = OK, 1 = error (value out of range)

delay_corr_err

binary uint8	size: 0:1
Delay correction error: 0 = OK, 1 = error (value out of range)

burst_corr_err

binary uint8	size: 0:1
Burst correction error: 0 = OK, 1 = error (not computed)

spare_2

binary bytes	size: 1:6
spare (reserved, set to 0)

hidden: true

norm_ptr_smp

binary array[8192]

size: 16384

Normalised power detected PTR samples (8192 samples, zero padded by factor of 64)

binary uint16 size: 2

agc_corr

binary int32 (double)	size: 4
AGC (AGC_1 + AGC_2) corrected unit: "1e-2 dB" converted unit: "dB" (multiply by 1/100)

txrx_pow_gain_var

binary int32 (double)	size: 4
Tx-Rx power * gain variation unit: "1e-2 dB" converted unit: "dB" (multiply by 1/100)

txrx_diff_path_delay

binary int32 (double)	size: 4
Tx-Rx LO differential path delay (one way delay) unit: "1e-12 s" converted unit: "s" (multiply by 1/1000000000000)

rir_pslr

binary int32 (double)	size: 4
RiR PSLR unit: "1e-2 dB" converted unit: "dB" (multiply by 1/100)

rir_three_db_width

binary int32 (double)	size: 4
RiR 3 dB width unit: "1e-12 s" converted unit: "s" (multiply by 1/1000000000000)

phase_corr_curve

binary array[64]

size: 256

Pulse to pulse phase correction curve (64 samples)

binary int32 (double) size: 4

unit: "1e-6 rad"

converted unit: "rad" (multiply by 1/1000000)

amp_corr_curve

binary array[64]

size: 256

Pulse to pulse amplitude correction curve (64 samples)

binary int32 (double) size: 4

converted unit: "" (multiply by 1/1000000)

agc1_cmd

binary int32 (double)	size: 4
AGC_1 command unit: "1e-2 dB" converted unit: "dB" (multiply by 1/100)

agc2_cmd

binary int32 (double)	size: 4
AGC_2 command unit: "1e-2 dB" converted unit: "dB" (multiply by 1/100)

ptr_scl_fact

binary int32	size: 4
PTR scale factor

ptr_scl_pow

binary int32	size: 4
PTR scale power

spare_2

binary bytes	size: 12
spare

hidden: true