ADSR_WV_Processing_Parameters

binary record ""

size: 3959

field name

definition

first_zero_doppler_time

binary time

size: 12

First Zero Doppler Azimuth time of MDS which this data set describes

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"

attach_flag

binary int8	size: 1
Attachment Flag (always set to zero for this ADSR)

last_zero_doppler_time

binary time

size: 12

Last Zero Doppler Azimuth time of MDS which this data set describes

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"

work_order_id

ascii string	size: 12
Work Order ID (left-justified)

time_diff

binary float	size: 4
Time difference between sensing time of first input line and zero Doppler time of first output image line (tdelta). (TBC)May be used during child product extraction from a stripline product (TBC). Left blank (set to zero) for non-stripline products unit: "s"

swath_num

ascii string	size: 3
Swath number IS1, IS2, IS3, IS4, IS5, IS6, or IS7 for IM, WV and AP modes. Set to WS for WS and GM modes

range_spacing

binary float	size: 4
Range sample spacing unit: "m"

azimuth_spacing

binary float	size: 4
Azimuth sample spacing at image center unit: "m"

line_time_interval

binary float	size: 4
Azimuth sample spacing in time (Line Time Interval) unit: "s"

num_output_lines

binary uint32	size: 4
Number of output range lines in the image described by this ADS

num_samples_per_line

binary uint32	size: 4
Number of samples per output range line (includes zero filled samples)

data_type

ascii string	size: 5
Output data type. SWORD, UWORD, or UBYTE

num_range_lines_per_burst

binary uint32	size: 4
Number of output range lines per burst. Not used for single-beam products.

time_diff_zero_doppler

binary float	size: 4
Time difference between zero Doppler time and acquisition time of output image lines unit: "s"

spare_1

binary bytes	size: 43
Spare

hidden: true

data_analysis_flag

binary uint8	size: 1
Raw Data Analysis used for Raw Data Correction, 0 = correction done using default parameters, 1 = correction done using raw data analysis results

ant_elev_corr_flag

binary uint8	size: 1
Antenna Elevation Pattern Correction Applied, 0 = no correction applied, 1 = correction applied

chirp_extract_flag

binary uint8	size: 1
reconstructed Chirp used, 0 = nominal chirp replica used, 1 = reconstructed chirp used

srgr_flag

binary uint8	size: 1
Slant Range to Ground Range Conversion Applied, 0 = no conversion applied, 1 = conversion applied

dop_cen_flag

binary uint8	size: 1
Doppler Centroid Estimation Performed, 0 = no estimation done, 1 = estimation done

dop_amb_flag

binary uint8	size: 1
Doppler Ambiguity Estimation Performed, 0 = no estimate done, 1 = estimate done

range_spread_comp_flag

binary uint8	size: 1
Range-spreading loss compensation Applied, 0 = no compensation applied, 1 = compensation applied

detected_flag

binary uint8	size: 1
Detection Applied, 0 = output product is complex, 1 = output product was detected

look_sum_flag

binary uint8	size: 1
Look Summation Performed, 0 = product is single look, 1 = product is multi-looked

rms_equal_flag

binary uint8	size: 1
RMS Equalization performed, 0 = rms equalization not performed during FBAQ decoding, 1 = rms equalization performed during FBAQ decoding

ant_scal_flag

binary uint8	size: 1
Antenna Elevationscaling Factor applied, 0 = no scaling factor applied, 1 = scaling factor applied

vga_com_echo_flag

binary uint8	size: 1
Receive Gain Droop Compensation Applied to Echo Data. 0 = no compensation applied. 1 = compensation applied.

vga_com_pulse_2_flag

binary uint8	size: 1
Receive Gain Droop Compensation Applied Calibration Pulse P2. 0 = no compensation applied. 1 = compensation applied.

vga_com_pulse_zero_flag

binary uint8	size: 1
Receive Gain Droop Compensation Applied Calibration Pulse P2 Order Zero: Nominal Time Delay Applied. 0 = no compensation applied. 1 = compensation applied.

inv_filt_comp_flag

binary uint8	size: 1
Inverse Filter used for range compression (GM Mode only). 0 = matched filter used for range compression. 1 = inverse filter used for range compression

spare_2

binary bytes	size: 6
Spare

hidden: true

raw_data_analysis

binary array[2]

size: 184

binary record size: 92

id field name definition

0 num_gaps

binary uint32 size: 4

Number of input data gaps (a gap is defined as a predetermined number of range lines) (record 1)

1 num_missing_lines

binary uint32 size: 4

Number of missing lines, excluding data gaps (record 1)

2 range_samp_skip

binary uint32 size: 4

Range sample skipping factor for raw data analysis (record 1)

3 range_lines_skip

binary uint32 size: 4

Range lines skipping factor for raw data analysis (record 1)

4 calc_i_bias

binary float size: 4

Calculated I channel bias (record 1)

5 calc_q_bias

binary float size: 4

Calculated Q channel bias (record 1)

6 calc_i_std_dev

binary float size: 4

Calculated I channel standard deviation (record 1)

7 calc_q_std_dev

binary float size: 4

Calculated Q channel standard deviation (record 1)

8 calc_gain

binary float size: 4

Calculated I/Q gain imbalance (record 1)

9 calc_quad

binary float size: 4

Calculated I/Q quadrature departure (record 1)

10 i_bias_max

binary float size: 4

I bias upper bound (record 1)

11 i_bias_min

binary float size: 4

I bias lower bound (record 1)

12 q_bias_max

binary float size: 4

Q bias upper bound (record 1)

13 q_bias_min

binary float size: 4

Q bias lower bound (record 1)

14 gain_min

binary float size: 4

I/Q gain lower bound (record 1)

15 gain_max

binary float size: 4

I/Q gain upper bound (record 1)

16 quad_min

binary float size: 4

I/Q quadrature departure lower bound (record 1)

17 quad_max

binary float size: 4

I/Q quadrature departure upper bound (record 1)

18 i_bias_flag

binary int8 size: 1

I bias significance0 = I bias falls within acceptable range1 = I bias falls outside acceptable range (record 1)

19 q_bias_flag

binary int8 size: 1

Q bias significance0 = Q bias falls within acceptable range1 = Q bias falls outside acceptable range (record 1)

20 gain_flag

binary int8 size: 1

I/Q Gain Significance0 = Gain falls within acceptable range1 = Gain falls outside acceptable range (record 1)

21 quad_flag

binary int8 size: 1

I/Q Quadrature Departure Significance0 = Quadrature departure falls within acceptable range1 =Quadrature departure falls outside acceptable range (record 1)

22 used_i_bias

binary float size: 4

I channel bias used for correction (may be different from measured value) (record 1)

23 used_q_bias

binary float size: 4

Q channel bias used for correction (may be different from measured value) (record 1)

24 used_gain

binary float size: 4

I/Q gain imbalance used for correction(may be different from measured value) (record 1)

25 used_quad

binary float size: 4

I/Q quadrature departure used for correction(may be different from measured value) (record 1)

spare_3

binary bytes	size: 32
Spare

hidden: true

start_time

binary array[2]

size: 40

binary record size: 20

id field name definition

0 first_obt

binary array[2] size: 8

On-board binary time of first input line processedLSB accurate to 15.26 ms. (Contained in two long integers) (record 1)

binary uint32 size: 4

1 first_mjd

binary time size: 12

Sensing time (MJD format) of first input line processedconverted from satellite binary time (record 1)

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"

parameter_codes

binary record

size: 120

field name

definition

swst_code

binary array[5]

size: 10

Sampling Window Start time code of first processed line

binary uint16 size: 2

last_swst_code

binary array[5]

size: 10

Sampling Window Start time code of last processed line

binary uint16 size: 2

pri_code

binary array[5]

size: 10

Pulse Repetition Interval code

binary uint16 size: 2

tx_pulse_len_code

binary array[5]

size: 10

Tx pulse length

binary uint16 size: 2

tx_bw_code

binary array[5]

size: 10

Tx pulse bandwidth

binary uint16 size: 2

echo_win_len_code

binary array[5]

size: 10

Echo Window Length

binary uint16 size: 2

up_code

binary array[5]

size: 10

Upconverter Level - Upconverter gain set on the instrument

binary uint16 size: 2

down_code

binary array[5]

size: 10

Downconverter Level - Downconverter gain set on the instrument

binary uint16 size: 2

resamp_code

binary array[5]

size: 10

Resampling factor for echo data

binary uint16 size: 2

beam_adj_code

binary array[5]

size: 10

Beam adjustment delta

binary uint16 size: 2

beam_set_num_code

binary array[5]

size: 10

Antenna Beam Set Number

binary uint16 size: 2

tx_monitor_code

binary array[5]

size: 10

Auxiliary Tx Monitor Level

binary uint16 size: 2

spare_4

binary bytes	size: 60
Spare

hidden: true

error_counters

binary record

size: 40

field name

definition

num_err_swst

binary uint32	size: 4
Number of errors detected in Sampling Window start time field

num_err_pri

binary uint32	size: 4
Number of errors detected in PRI code field

num_err_tx_pulse_len

binary uint32	size: 4
Number of errors detected in Tx pulse length field

num_err_tx_pulse_bw

binary uint32	size: 4
Number of errors detected in Tx pulse bandwidth field

num_err_echo_win_len

binary uint32	size: 4
Number of errors detected in Echo Window Length field

num_err_up

binary uint32	size: 4
Number of errors detected in Upconverter Level field

num_err_down

binary uint32	size: 4
Number of errors detected in Downconverter Level field

num_err_resamp

binary uint32	size: 4
Number of errors detected in Resampling factor for echo data field

num_err_beam_adj

binary uint32	size: 4
Number of errors detected in Beam adjustment delta field

num_err_beam_set_num

binary uint32	size: 4
Number of errors detected in Antenna Beam Set Number field

spare_5

binary bytes	size: 26
Spare

hidden: true

image_parameters

binary record

size: 270

field name

definition

swst_value

binary array[5]

size: 20

Sampling Window Start time of first processed line

binary float size: 4

unit: "s"

last_swst_value

binary array[5]

size: 20

Sampling Window Start time of last processed line

binary float size: 4

unit: "s"

swst_changes

binary array[5]

size: 20

Number of Sample Window Start Time changes within a beam

binary uint32 size: 4

prf_value

binary array[5]

size: 20

Pulse Repetition Frequency

binary float size: 4

unit: "Hz"

tx_pulse_len_value

binary array[5]

size: 20

Tx pulse length

binary float size: 4

unit: "s"

tx_pulse_bw_value

binary array[5]

size: 20

Tx pulse bandwidth

binary float size: 4

unit: "Hz"

echo_win_len_value

binary array[5]

size: 20

Echo Window Length

binary float size: 4

unit: "s"

up_value

binary array[5]

size: 20

Upconverter Level - Upconverter gain set on the instrument

binary float size: 4

unit: "dB"

down_value

binary array[5]

size: 20

Downconverter Level - Downconverter gain set on the instrument

binary float size: 4

unit: "dB"

resamp_value

binary array[5]

size: 20

Resampling factor

binary float size: 4

beam_adj_value

binary array[5]

size: 20

Beam adjustment delta

binary float size: 4

unit: "degrees"

beam_set_value

binary array[5]

size: 10

Antenna Beam Set Number

binary uint16 size: 2

tx_monitor_value

binary array[5]

size: 20

Auxiliary Tx Monitor Level

binary float size: 4

rank

binary array[5]

size: 20

The number of PRI between transmitted pulse and return echo

binary uint32 size: 4

spare_6

binary bytes	size: 62
Spare

hidden: true

first_proc_range_samp

binary uint32	size: 4
First processed input range sample, first sample is 1

range_ref

binary float	size: 4
Range spreading loss reference range unit: "m"

range_samp_rate

binary float	size: 4
Range sampling rate unit: "Hz"

radar_freq

binary float	size: 4
Radar Frequency unit: "Hz"

num_looks_range

binary uint16	size: 2
Number of range looks

filter_range

ascii string	size: 7
Matched filter window type:HAMMING or KAISER and Oslash; or NONE and Oslash; andOslash; andOslash;

filter_coef_range

binary float	size: 4
Window coefficient for range-matched filter

bandwidth

binary record

size: 40

field name

definition

look_bw_range

binary array[5]

size: 20

Range Look Bandwidth (null to null)

binary float size: 4

unit: "Hz"

tot_bw_range

binary array[5]

size: 20

Total processed range bandwidth (null to null)

binary float size: 4

unit: "Hz"

nominal_chirp

binary array[5]

size: 160

binary record size: 32

id field name definition

0 nom_chirp_amp

binary array[4] size: 16

4 nominal chirp amplitude coefficients (record 1) (unit: -, s-1, s-2, s-3)

binary float size: 4

1 nom_chirp_phs

binary array[4] size: 16

4 nominal chirp phase coefficients (record 1) (unit: cycles,Hz,Hz/s,Hz/s2)

binary float size: 4

spare_7

binary bytes	size: 60
Spare

hidden: true

num_lines_proc

binary uint32	size: 4
Number of input lines processed

num_look_az

binary uint16	size: 2
Number of Azimuth Looks

look_bw_az

binary float	size: 4
Azimuth Look Bandwidth (null to null) -- this is the nominal value only for GM, WS, and AP. unit: "Hz"

to_bw_az

binary float	size: 4
Processed Azimuth bandwidth (null to null) -- this field is used only for IM products and WV imagettes. Filled with zeros otherwise. unit: "Hz"

filter_az

ascii string	size: 7
Matched filter window type:HAMMING or KAISER and Oslash; or NONE and Oslash; andOslash; andOslash;

filter_coef_az

binary float	size: 4
Window coefficient for azimuth-matched filter

az_fm_rate

binary array[3]

size: 12

3 co-efficients for Azimuth FM rate:Azimuth FM rate = C0 + C1(tSR-t0) + C2(tSR - t0)2tSR = 2 way slant range time (unit: Hz/sHz/s2Hz/s3)

binary float size: 4

ax_fm_origin

binary float	size: 4
2 way slant range time origin (t0) for Azimuth FM rate calculation unit: "ns"

dop_amb_conf

binary float	size: 4
Doppler Centroid Ambiguity Confidence MeasureValue between 0 and 1, 0 = poorest confidence, 1= highest confidence

spare_8

binary bytes	size: 68
Spare

hidden: true

calibration_factors

binary array[2]

size: 16

binary record size: 8

id field name definition

0 proc_scaling_fact

binary float size: 4

Processor scaling factor (record 1)

1 ext_cal_fact

binary float size: 4

External Calibration Scaling Factor (mode/swath/polarization dependent) (record 1)

noise_estimation

binary record

size: 40

field name

definition

noise_power_corr

binary array[5]

size: 20

Noise power correction factors

binary float size: 4

num_noise_lines

binary array[5]

size: 20

Number of noise lines used to calculate factors

binary uint32 size: 4

spare_9

binary bytes	size: 64
Spare

hidden: true

spare_10

binary bytes	size: 12
Spare

hidden: true

output_statistics

binary array[2]

size: 32

binary record size: 16

id field name definition

0 out_mean

binary float size: 4

Output data mean Magnitude for detected products, real sample mean for SLC products (record 1)

1 out_imag_mean

binary float size: 4

Output imaginary data mean Used for SLC products only (set to zero otherwise) (record 1)

2 out_std_dev

binary float size: 4

Output data standard deviation Magnitude std. dev. for detected products, real sample std. dev. for SLC products (record 1)

3 out_imag_std_dev

binary float size: 4

Output imaginary data standard deviation Used for SLC products only (set to zero otherwise) (record 1)

avg_scene_height_ellpsoid

binary float	size: 4
Average scene height above ellpsoid used for processing unit: "m"

spare_11

binary bytes	size: 48
Spare

hidden: true

echo_comp

ascii string	size: 4
Compression Method used for echo samples FBAQ, S&M;, NONE

echo_comp_ratio

ascii string	size: 3
Compression Ratio for echo samples 8/4, 8/3, 8/2, or 8/8

init_cal_comp

ascii string	size: 4
Compression Method used for initial calibration samples FBAQ, S&M, NONE

init_cal_ratio

ascii string	size: 3
Compression Ratio for initial calibration samples 8/4, 8/3, 8/2, or 8/8

per_cal_comp

ascii string	size: 4
Compression Method used for periodic calibration samples FBAQ, S&M, NONE

per_cal_ratio

ascii string	size: 3
Compression Ratio for periodic calibration samples 8/4, 8/3, 8/2, or 8/8

noise_comp

ascii string	size: 4
Compression Method used for noise samples FBAQ, S&M, NONE

noise_comp_ratio

ascii string	size: 3
Compression Ratio for noise samples 8/4, 8/3, 8/2, or 8/8

spare_12

binary bytes	size: 64
Spare

hidden: true

beam_overlap

binary array[4]

size: 16

Number of slant range samples in beam overlap (1-2, 2-3, 3-4, 4-5)

binary uint32 size: 4

beam_param

binary array[4]

size: 16

Beam merge algorithm parameter used for beam merging, one value per merge region (1-2, 2-3, 3-4, 4-5)

binary float size: 4

lines_per_burst

binary array[5]

size: 20

Number of lines per burst for this image 5 values for beams SS1 to SS5 in WS and GM modes.One value for AP mode, all others set to zero

binary uint32 size: 4

time_first_SS1_echo

binary time

size: 12

Time of first SS1 Echo Source Packet

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"

spare_13

binary bytes	size: 16
Spare

hidden: true

orbit_state_vectors

binary array[5]

size: 180

binary record size: 36

id field name definition

0 state_vect_time_1

binary time size: 12

Time of state vector (record 1)

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 x_pos_1

binary int32 size: 4

X position in Earth fixed reference frame (record 1)

unit: "1e-2 m"

2 y_pos_1

binary int32 size: 4

Y position in Earth fixed reference frame (record 1)

unit: "1e-2 m"

3 z_pos_1

binary int32 size: 4

Z position in Earth fixed reference frame (record 1)

unit: "1e-2 m"

4 x_vel_1

binary int32 size: 4

X velocity relative to Earth fixed reference frame (record 1)

unit: "1e-5 m/s"

5 y_vel_1

binary int32 size: 4

Y velocity relative to Earth fixed reference frame (record 1)

unit: "1e-5 m/s"

6 z_vel_1

binary int32 size: 4

Z velocity relative to Earth fixed reference frame (record 1)

unit: "1e-5 m/s"

spare_14

binary bytes	size: 64
Spare

hidden: true

slant_range_time

binary float	size: 4
2-way slant range time origin (t0) unit: "ns"

dop_coef

binary array[5]

size: 20

Doppler centroid coefficients as a function of slant range time: D0, D1, D2, D3, and D4.where Doppler Centroid = D0 + D1(tSR-t0) + D2(tSR-t0)2 + D3(tSR-t0)3 + D4(tSR-t0)4 (unit: HzHz/sHz/s2Hz/s3Hz/s4)

binary float size: 4

dop_conf

binary float	size: 4
Doppler Centroid Confidence MeasureValue between 0 and 1, 0 = poorest confidence, 1= highest confidence

dop_conf_below_thresh

binary uint8	size: 1
Doppler Centroid Confidence below threshold flag. 0=confidence above threshold, centroid calculated from data; 1=confidence below threshold, centroid calculated from orbit.

spare_15

binary bytes	size: 13
Spare

hidden: true

chirp_width

binary float	size: 4
3-dB pulse width of chirp replica cross-correlation function between extract chirp and nominal chirp

chirp_sidelobe

binary float	size: 4
First side lobe level of chirp replica cross-correlation function between reconstructed chirp and nominal chirp unit: "dB"

chirp_islr

binary float	size: 4
ISLR of chirp replica cross-correlation function between reconstructed chirp and nominal chirp unit: "dB"

chirp_peak_loc

binary float	size: 4
Peak location of cross-correlation function between reconstructed chirp and nominal chirp

chirp_power

binary float	size: 4
Chirp power

eq_chirp_power

binary float	size: 4
Equivalent Chirp power

rec_chirp_power_exceeds_qua_thres

binary uint8	size: 1
Reconstructed chirp exceeds quality thresholds 0=Reconstructed chirp does not meet quality thresholds 1=Reconstructed chirp does meet quality thresholds

ref_chirp_power

binary float	size: 4
Reference Chirp power

norm_source

ascii string	size: 7
Normalization source "REPLICA", "REF ", "EQV ", "NONE "

spare_16

binary bytes	size: 4
Spare

hidden: true

cal_info

binary array[32]

size: 1408

binary record size: 44

id field name definition

0 max_cal

binary array[3] size: 12

Max of Cal pulses 1, 2, and 3 amplitude (record 1)

binary float size: 4

1 avg_cal

binary array[3] size: 12

Average of Cal pulse 1, 2, and 3 amplitude over the 3 dB on either side of the max amplitude (record 1)

binary float size: 4

2 avg_val_1a

binary float size: 4

Average of Cal pulse 1A over the sample window (record 1)

3 phs_cal

binary array[4] size: 16

Extracted phase for calibration pulse 1, 1A, 2, and 3 (record 1)

binary float size: 4

unit: "degrees"

spare_17

binary bytes	size: 16
Spare

hidden: true

100

first_line_time

binary time

size: 12

Zero Doppler Time at first line of imagette

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"

101

first_line_tie_points

binary record

size: 60

field name

definition

range_samp_nums_first

binary array[3]

size: 12

Range sample number Gives the range location of the grid points. First range sample is 1, is M (includes zero filled samples)

binary uint32 size: 4

slant_range_times_first

binary array[3]

size: 12

2 way slant range time to range sample

binary float size: 4

unit: "ns"

inc_angles_first

binary array[3]

size: 12

Incidence Angle at range sample

binary float size: 4

unit: "degrees"

lats_first

binary array[3]

size: 12

geodetic latitude of range sample (positive north)

binary int32 size: 4

unit: "1e-6 degrees_north"

longs_first

binary array[3]

size: 12

geodetic longitude of range sample (positive east)

binary int32 size: 4

unit: "1e-6 degrees_east"

102

mid_line_time

binary time

size: 12

Zero Doppler Time at center line of imagette

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"

103

mid_range_line_nums

binary uint32	size: 4
Range line number of the center range line

104

mid_line_tie_points

binary record

size: 60

field name

definition

range_samp_nums_mid

binary array[3]

size: 12

Range sample number Gives the range location of the grid points. First range sample is 1, is M (includes zero filled samples)

binary uint32 size: 4

slant_range_times_mid

binary array[3]

size: 12

2 way slant range time to range sample

binary float size: 4

unit: "ns"

inc_angles_mid

binary array[3]

size: 12

Incidence Angle at range sample

binary float size: 4

unit: "degrees"

lats_mid

binary array[3]

size: 12

geodetic latitude of range sample (positive north)

binary int32 size: 4

unit: "1e-6 degrees_north"

longs_mid

binary array[3]

size: 12

geodetic longitude of range sample (positive east)

binary int32 size: 4

unit: "1e-6 degrees_east"

105

last_line_time

binary time

size: 12

Zero Doppler Time at last line of imagette

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"

106

last_range_line_nums

binary uint32	size: 4
Range line number of the last range line

107

last_line_tie_points

binary record

size: 60

field name

definition

range_samp_nums_last

binary array[3]

size: 12

Range sample number Gives the range location of the grid points. First range sample is 1, is M (includes zero filled samples)

binary uint32 size: 4

slant_range_times_last

binary array[3]

size: 12

2 way slant range time to range sample

binary float size: 4

unit: "ns"

inc_angles_last

binary array[3]

size: 12

Incidence Angle at range sample

binary float size: 4

unit: "degrees"

lats_last

binary array[3]

size: 12

geodetic latitude of range sample (positive north)

binary int32 size: 4

unit: "1e-6 degrees_north"

longs_last

binary array[3]

size: 12

geodetic longitude of range sample (positive east)

binary int32 size: 4

unit: "1e-6 degrees_east"

108

swst_offset

binary float	size: 4
Wave cell SWST offset from center of the sub-swath to start of imagette. 208 ns increments unit: "ns"

109

ground_range_bias

binary float	size: 4
Wave cell Ground range bias from centre of the Sub-Swath to the centre of the imagette (Ground range, km) unit: "km"

110

elev_angle_bias

binary float	size: 4
Wave cell Elevation angle biasfrom centre of the Sub-Swath elevation to the centre of the imagette (deg) unit: "degrees"

111

imagette_range_len

binary float	size: 4
Imagette length in range (m) unit: "m"

112

imagette_az_len

binary float	size: 4
Imagette length in azimuth (m) unit: "m"

113

imagette_range_res

binary float	size: 4
Nominal Imagette resolution in slant range (m) unit: "m"

114

ground_res

binary float	size: 4
Nominal resolution in ground range unit: "m"

115

imagette_az_res

binary float	size: 4
Nominal Imagette resolution in azimuth (m) unit: "m"

116

platform_alt

binary float	size: 4
Altitude (platform to ellipsoid) in metres (centre of wave cell) unit: "m"

117

platform_vel

binary float	size: 4
Platform Velocity (m/s)w.r.t moving earth unit: "m/s"

118

slant_range

binary float	size: 4
Range to centre of imagette (m)from platform to target unit: "m"

119

cw_drift

binary float	size: 4
CW signal drift

120

wave_subcycle

binary uint16	size: 2
Wave sub-cycle (1 or 2) of this wave cell

121

earth_radius

binary float	size: 4
Earth Radius at imagette center sample unit: "m"

122

sat_height

binary float	size: 4
Satellite distance to earth center unit: "m"

123

first_sample_slant_range

binary float	size: 4
Distance from satellite to first range pixel in the full SLC image unit: "m"

124

spare_18

binary bytes	size: 12
Spare

hidden: true

125

elevation_pattern

binary record

size: 132

field name

definition

slant_range_time

binary array[11]

size: 44

2 way slant range times

binary float size: 4

unit: "ns"

elevation_angles

binary array[11]

size: 44

Corresponding elevation angles

binary float size: 4

unit: "degrees"

antenna_pattern

binary array[11]

size: 44

Corresponding two-way antenna elevation pattern values

binary float size: 4

unit: "dB"

126

spare_19

binary bytes	size: 14
Spare

hidden: true