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Vegetation fraction for Land Surface Temperature Retrieval GADS
Topographic Variance data for Land Surface Temperature Retrieval GADS
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Climatology Variance Data for Land Surface Temperature Retrieval GADS
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Summary Quality ADS
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Infrared Histogram Test LUT GADS
11 Micron Spatial Coherence Test LUT GADS
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SST record 17 km cell MDS
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6.6.40 Processor configuration GADS

This product contains configuration data for the Level 1b AATSR Processor. It comprises a Main Product Header, a standard Auxiliary Data SPH with one DSD, and the Processor Configuration Data GADS as described in the following table. A few of the parameters in this file are steering parameters that modify product generation, but many of them are internal to the Operational Processor, and do not affect the logic of its operation, or the products generated.
Table 6.71 Processor configuration GADS

Processor configuration GADS

# Description Units Count Type Size
Data Record
0 pulse_cal
blanking pulse calibration code: blanking_pulse_calibration_flag

A parameter to determine whether or not blanking pulse flags are to affect the infra-red calibration. The parameter may take one of four possible values (see link).

- 1 sl 4 byte(s)
1 scan_cal
Number of scans in calibration period

This parameter defines the integration time used to determine the infra-red calibration coefficients, in terms of the number of instrument scans included in each average. The calibration period is the interval over which the black body pixels are integrated during infra-red calibration. The adopted value is 10 scans (equivalent to an interval of 1.5 seconds).

- 1 sl 4 byte(s)
2 res_vis_cal_code
Reserved for visible calibration option code

Parameter to select which of the on-board black bodies is to be used to determine the dark signal (offset) for the visible calibration.

- 1 sl 4 byte(s)
3 spare_1
Spare
- 1 SpareField 12 byte(s)
4 max_vis_pix
max_viscal_pixels

This parameter is used to dimension internal arrays. It must be equal to or greater than the number of visible calibration pixels in the pixel selection map (see link).

- 1 ss 2 byte(s)
5 max_nad_pix
max_nadir_pixels

This parameter is used to dimension internal arrays. It must be equal to or greater than the number of nadir view pixels in the pixel selection map (see link).

- 1 ss 2 byte(s)
6 max_pxbb_pix
max_pxbb_pixels

This parameter is used to dimension internal arrays. It must be equal to or greater than the number of +X black body pixels in the pixel selection map (see link).

- 1 ss 2 byte(s)
7 max_frwrd_pix
max_frwrd_pixels

This parameter is used to dimension internal arrays. It must be equal to or greater than the number of forward view pixels in the pixel selection map (see link).

- 1 ss 2 byte(s)
8 max_mxbb_pix
max_mxbb_pixels

This parameter is used to dimension internal arrays. It must be equal to or greater than the number of -X black body pixels in the pixel selection map (see link).

- 1 ss 2 byte(s)
9 spare_2
Spare
- 1 SpareField 12 byte(s)
10 flag_off_bthbp
Calibration bp flag value: both bp flags off

Blanking pulse flag code. If the blanking pulse calibration code is set equal to CAL_BP_BOTH_OFF, pixels contribute to the calibration only if both flags are off. The adopted value of this code is 101

- 1 ss 2 byte(s)
11 flag_off_asar
Calibration bp flag value: ASAR only flag off

Blanking pulse flag code. If the blanking pulse calibration code is set equal to CAL_BP_ASAR_OFF, pixels contribute to the calibration only if the ASAR flag is off. (The RA flag is ignored). The adopted value of this code is 102.

- 1 ss 2 byte(s)
12 flag_off_onlyra
Calibration bp flag value: RA only flag off

Blanking pulse flag code. If the blanking pulse calibration code is set equal to CAL_BP_RA_OFF, pixels contribute to the calibration only if the RA flag is off. (The ASAR flag is ignored). The adopted value of this code is 103.

- 1 ss 2 byte(s)
13 flag_on_bthbp
Calibration bp flag value: both bp flags on

Blanking pulse flag code. If the blanking pulse calibration code is set equal to CAL_BP_BOTH_ON, pixels contribute to the calibration irrespective of the flag setting. (Either or both flags may be on.) The adopted value of this code is 104.

- 1 ss 2 byte(s)
14 init_cal_parm
INIT_CAL_PARAM

This is an exception value used to initialise calibration parameters. Its use is internal to the processor, and does not appear in output products.

- 1 fl 4 byte(s)
15 spare_3
Spare
- 1 SpareField 12 byte(s)
16 vis_bb_code_px
vis_bb_code_px

Visible calibration option value. If the visible calibration option code is set equal to vis_bb_code_px, the visible calibration offset (dark signal) is derived from the +X black body only.

- 1 ss 2 byte(s)
17 vis_bb_code_mx
vis_bb_code_mx

Visible calibration option value. If the visible calibration option code is set equal to vis_bb_code_mx, the visible calibration offset (dark signal) is derived from the -X black body only.

- 1 ss 2 byte(s)
18 vis_bb_code_both
vis_bb_code_both

Visible calibration option value. If the visible calibration option code is set equal to vis_bb_code_both, the derivation of the visible calibration offset (dark signal) uses both black bodies.

- 1 ss 2 byte(s)
19 vis_bb_code_none
vis_bb_code_none

Reserved.

- 1 ss 2 byte(s)
20 spare_4
Spare
- 1 SpareField 12 byte(s)
21 pix_cnt_from_nullpacket
PIXEL_COUNT_FROM_NULL_PACKET

Pixel exceptional value. Negative integer used to flag invalid image pixels in the Level 1b GBTR product. This code is used to indicate that the pixel comes from a null (i.e. missing) source packet. The adopted value is -1.

- 1 ss 2 byte(s)
22 pix_cnt_int
PIXEL_COUNT_INITIAL_VALUE

Pixel exceptional value. Negative integer used to flag invalid image pixels in the Level 1b GBTR product. This code is used to indicate that the is missing from the instrument scan. It is most likely to occur at the edge of the instrument swath, where the regridded image extends beyond the limits of the instrument field of view. The adopted value is -2.

- 1 ss 2 byte(s)
23 pix_cnt_scidata_ndcmp
PIXEL_COUNT_SCIENCE_DATA_NOT_DECOMPRESSSED

Pixel exceptional value. Negative integer used to flag invalid image pixels in the Level 1b GBTR product. This code is indicates that the corresponding pixel field in the instrument source packet could not be decoded, and is most likely to occur when the corresponding source packet shows a CRC (cyclic redundancy check) error. The adopted value is -3.

- 1 ss 2 byte(s)
24 pix_cnt_zero
PIXEL_COUNT_ZERO

Pixel exceptional value. Negative integer used to flag invalid image pixels in the Level 1b GBTR product. This code is used to indicate that the pixel count in the instrument source packet was zero. The adopted value is -4.

- 1 ss 2 byte(s)
25 pix_cnt_sat
PIXEL_COUNT_SATURATED

Pixel exceptional value. Negative integer used to flag invalid image pixels in the Level 1b GBTR product. This code is used to indicate that the channel is saturated, that is that the pixel count in the instrument source packet has the maximum possible value. The adopted value is -5.

- 1 ss 2 byte(s)
26 cal_unavl_pix
CALIBRATION_UNAVAILABLE_FOR_PIXEL

Pixel exceptional value. Negative integer used to flag invalid image pixels in the Level 1b GBTR product. This code is used to indicate that the pixel could not be calibrated, because valid calibration coefficients could not be derived for the calibration interval. The adopted value is -7.

- 1 ss 2 byte(s)
27 pix_rad_out_cal
PIXEL_RADIANCE_OUTSIDE_CALIBRATION

Pixel exceptional value. Negative integer used to flag invalid image pixels in the Level 1b GBTR product. This code is used to indicate that the pixel could not be calibrated, because although valid calibration coefficients were available, the derived radiance fell outside the range of the radiance to brightness temperature table (for the thermal infra-red channels) or the non-linear correction table (1.6 micron channel). The adopted value is -6.

- 1 ss 2 byte(s)
28 pix_unfilled
PIXEL_UNFILLED

Pixel exceptional value. Negative integer used to flag invalid image pixels in the Level 1b GBTR product. This code is used to indicate that the cosmetic fill algorithm (see link) could not find a nearest neighbour point to fill this pixel. The adopted value is -8.

- 1 ss 2 byte(s)
29 spare_5
Spare
- 1 SpareField 12 byte(s)
30 null_pckt_err
NULL PCKT ERR

The use of this code is internal to the processor. It is not relevant to the interpretation of output products.

- 1 ss 2 byte(s)
31 raw_pkt_fail
RAW_PKT_FAILS_BASIC_VALIDATION_ERR

The use of this code is internal to the processor. It is not relevant to the interpretation of output products.

- 1 ss 2 byte(s)
32 crc_err_dect_err
CRC_ERR_DETECTED_ERR

The use of this code is internal to the processor. It is not relevant to the interpretation of output products.

- 1 ss 2 byte(s)
33 buf_full_chk_err
BUFFERS_FULL_CHECK_ERR

The use of this code is internal to the processor. It is not relevant to the interpretation of output products.

- 1 ss 2 byte(s)
34 raw_aux_proc_err
RAWPKT_FAILS_AUXILIARY_DATA_PROCESSING_ERR

The use of this code is internal to the processor. It is not relevant to the interpretation of output products.

- 1 ss 2 byte(s)
35 temp_out_range_err
TEMP_OUT_OF_RANGE_FOR_LUT_ERR

The use of this code is internal to the processor. It is not relevant to the interpretation of output products.

- 1 ss 2 byte(s)
36 pix_scan_jit_err
PIX_SCAN_JITTER_ERR

The use of this code is internal to the processor. It is not relevant to the interpretation of output products.

- 1 us 2 byte(s)
37 utmz_domain_err
UTMZ_DOMAIN_EROR

The use of this code is internal to the processor. It is not relevant to the interpretation of output products.

- 1 ss 2 byte(s)
38 tmz_atlimt_err
TMZ_AT_LIMIT_ERR

The use of this code is internal to the processor. It is not relevant to the interpretation of output products.

- 1 us 2 byte(s)
39 tmz_rog_prt_err
TMZ_ROGUE_PRT_ERR

The use of this code is internal to the processor. It is not relevant to the interpretation of output products.

- 1 us 2 byte(s)
40 tmz_cal_err
TMZ_CALIBRATION_ERR

The use of this code is internal to the processor. It is not relevant to the interpretation of output products.

- 1 us 2 byte(s)
41 tmz_bb_over_err
TMZ_BB_OVERRANGE_ERR

The use of this code is internal to the processor. It is not relevant to the interpretation of output products.

- 1 us 2 byte(s)
42 tmz_survll_err
TMZ_SURVEILLANCE_ERR

The use of this code is internal to the processor. It is not relevant to the interpretation of output products.

- 1 us 2 byte(s)
43 tmz_prt8_err
TMZ_PRT8_ERR

The use of this code is internal to the processor. It is not relevant to the interpretation of output products.

- 1 us 2 byte(s)
44 tmz_rog_scp_err
TMZ_ROGUE_SCP_ERR

The use of this code is internal to the processor. It is not relevant to the interpretation of output products.

- 1 us 2 byte(s)
45 tmz_bb_outlimt_err
TMZ_BB_OUT_OF_LIMIT_ERR
- 1 us 2 byte(s)
46 bb_outrang_err
BB_PIX_COUNT_OUT_OF_RANGE_ERR

The use of this code is internal to the processor. It is not relevant to the interpretation of output products.

- 1 ss 2 byte(s)
47 bb_outrang_allchn
BB_PIX_COUNT_OUT_OF_RANGE_ALL_CHANS

The use of this code is internal to the processor. It is not relevant to the interpretation of output products.

- 1 ss 2 byte(s)
48 tmz_rog_bb_err
TMZ_ROGUE_BB_ERR

The use of this code is internal to the processor. It is not relevant to the interpretation of output products.

- 1 us 2 byte(s)
49 mon_threshold
monitor threshold

The visible calibration interval is determined by the value of the VISCAL monitor field in the telemetry. Only instrument scans for which the VISCAL monitor output exceeds the monitor threshold defined here are considered by the visible calibration algorithm.

- 1 ss 2 byte(s)
50 calibration_window_diff1
Calibration window diff1
- 1 ss 2 byte(s)
51 calibration_window_diff2
Calibration window diff2
- 1 ss 2 byte(s)
52 reserved
Reserved field
- 1 ss 2 byte(s)
53 orbit_period
orbit period

The nominal orbital period of the satellite in seconds (used for estimating the time of maximum solar illumination of the visible calibration unit diffusing plate).

s 1 fl 4 byte(s)
54 time_offset
time offset

The time offset, in seconds, between the time at which the satellite crosses the terminator (day/night boundary) and the time of maximum solar illumination of the visible calibration unit diffusing plate.

s 1 fl 4 byte(s)
55 reflec_fact_16
1.6 microns reflectance factor

The reflectance of the visible calibration unit at 1.6 micron wavelength, determined during ground calibration.

- 1 fl 4 byte(s)
56 reflec_fact_87
0.87 micron reflectance factor

The reflectance of the visible calibration unit at 0.87 micron wavelength, determined during ground calibration.

- 1 fl 4 byte(s)
57 reflec_fact_67
0.67 micron reflectance factor

The reflectance of the visible calibration unit at 0.67 micron wavelength, determined during ground calibration.

- 1 fl 4 byte(s)
58 reflec_fact_55
0.555 micron reflectance factor

The reflectance of the visible calibration unit at 0.555 micron wavelength, determined during ground calibration.

- 1 fl 4 byte(s)
59 solar_irrad_16
1.6 micron solar irradiance

The mean solar irradiance, in units of mW/cm2/micron, at 1.6 micron wavelength. This is not used directly in the visible channel calibration, but is used to derive an estimate of the solar irradiance in the channel for inclusion in the Visible Calibration Coefficients ADS.

mW/cm2/um 1 fl 4 byte(s)
60 solar_irrad_87
0.87 micron solar irradiance

The mean solar irradiance, in units of mW/cm2/micron, at 0.87 micron wavelength. This is not used directly in the visible channel calibration, but is used to derive an estimate of the solar irradiance in the channel for inclusion in the Visible Calibration Coefficients ADS.

mW/cm2/um 1 fl 4 byte(s)
61 solar_irrad_67
0.67 micron solar irradiance

The mean solar irradiance, in units of mW/cm2/micron, at 0.67 micron wavelength. This is not used directly in the visible channel calibration, but is used to derive an estimate of the solar irradiance in the channel for inclusion in the Visible Calibration Coefficients ADS.

mW/cm2/um 1 fl 4 byte(s)
62 solar_irrad_55
0.555 micron solar irradiance

The mean solar irradiance, in units of mW/cm2/micron, at 0.555 micron wavelength. This is not used directly in the visible channel calibration, but is used to derive an estimate of the solar irradiance in the channel for inclusion in the Visible Calibration Coefficients ADS.

mW/cm2/um 1 fl 4 byte(s)
63 chan_bandw_16
1.6 micron channel bandwidth

The bandwidth of the 1.6 micron channel, expressed in microns. This is used in the derivation of the estimate of the solar irradiance in the channel, included in the Visible Calibration Coefficients ADS.

um 1 fl 4 byte(s)
64 chan_bandw_87
0.87 micron channel bandwidth

The bandwidth of the 0.870 micron channel, expressed in microns. This is used in the derivation of the estimate of the solar irradiance in the channel, included in the Visible Calibration Coefficients ADS

um 1 fl 4 byte(s)
65 chan_bandw_67
0.67 micron channel bandwidth

The bandwidth of the 0.670 micron channel, expressed in microns. This is used in the derivation of the estimate of the solar irradiance in the channel, included in the Visible Calibration Coefficients ADS

um 1 fl 4 byte(s)
66 chan_bandw_55
0.555 micron channel bandwidth

The bandwidth of the 0.555 micron channel, expressed in microns. This is used in the derivation of the estimate of the solar irradiance in the channel, included in the Visible Calibration Coefficients ADS

um 1 fl 4 byte(s)
67 window_half_width_in_min
Window half width
minutes 1 fl 4 byte(s)
68 spare_6
Spare
- 1 SpareField 8 byte(s)
Record Length : 232

DS_NAME : Processor configuration GADS



Format Version 114.0