GOM_CAL_AX_GADS_general_v1

binary record ""

size: 14322

field name

definition

dsr_time

binary time

size: 12

Validity duration of the Calibration database

unit: "s since 2000-01-01"

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"

first_col_used

binary array[4]

size: 8

First used column on the CCD array for SPA and SPB

binary uint16 size: 2

num_col_used

binary array[4]

size: 8

Number of used columns for the CCD arrays of SPA and SPB

binary uint16 size: 2

first_line_used

binary array[4]

size: 8

First used lines of the CCD arrays

binary uint16 size: 2

num_lines_back

binary array[4]

size: 8

Number of lines of the background bands

binary uint16 size: 2

num_lines_iso

binary array[4]

size: 8

Number of lines of the isolation bands

binary uint16 size: 2

num_lines_tar

binary array[4]

size: 8

Number of lines of the target bands

binary uint16 size: 2

first_col_used_fp1

binary uint8	size: 1
First used column of the FP1 CCD array

last_col_used_fp1

binary uint8	size: 1
Last used column of the FP1 CCD array

first_col_used_fp2

binary uint8	size: 1
First used column of the FP2 CCD array

last_col_used_fp2

binary uint8	size: 1
Last used column of the FP2 CCD array

first_line_used_fp1

binary uint8	size: 1
First used line of the FP1 CCD array

last_line_used_fp1

binary uint8	size: 1
Last used line of the FP1 CCD array

first_line_used_fp2

binary uint8	size: 1
First used line of the FP2 CCD array

last_line_used_fp2

binary uint8	size: 1
Last used line of the FP2 CCD array

nom_wavelen_assignment_col

binary array[4]

size: 8

Column index for the nominal wavelength assignment

binary uint16 size: 2

nom_wavelen_assignment

binary array[4]

size: 16

Nominal wavelength assignment of one CCD column

binary uint32 (double) size: 4

unit: "1e-3 nm"

converted unit: "nm" (multiply by 1/1000)

axis_len_x

binary uint32 (double)	size: 4
Star spot semi axis length in the X axis frame of the FP CCD array unit: "nm" converted unit: "nm" (multiply by 1/1e+09)

axis_len_y

binary uint32 (double)	size: 4
Star spot semi axis length in the Y axis frame of the FP CCD array unit: "nm" converted unit: "nm" (multiply by 1/1e+09)

size_lut_star_spectrum

binary array[4]

size: 4

Size of the LUT giving the star spectrum location on the CCD arrays

binary uint8 size: 1

ccd_columns_star_spectrum

binary array[4, 16]

size: 128

CCD columns for the specification of the star location on the CCD arrays

binary uint16 size: 2

ccd_lines_star_spectrum

binary array[4, 16]

size: 256

CCD lines for the specification of the star location on the CCD arrays (unit: lf/e)

binary float size: 4

nom_col_cen

binary array[2]

size: 2

Nominal CCD column of the star spot center (FP)

binary uint8 size: 1

nom_line_cen

binary array[2]

size: 2

Nominal CCD line of the star spot center (FP)

binary uint8 size: 1

lowest_col_wavelen_spa_ccd1

binary uint32 (double)	size: 4
Wavelength assignment of the lowest used CCD column for SPA CCD1 unit: "1e-3 nm" converted unit: "nm" (multiply by 1/1000)

lowest_col_wavelen_spa_ccd2

binary uint32 (double)	size: 4
Wavelength assignment of the lowest used CCD column for SPA CCD2 unit: "1e-3 nm" converted unit: "nm" (multiply by 1/1000)

lowest_col_wavelen_spb_ccd1

binary uint32 (double)	size: 4
Wavelength assignment of the lowest used CCD column for SPB CCD1 unit: "1e-3 nm" converted unit: "nm" (multiply by 1/1000)

lowest_col_wavelen_spb_ccd2

binary uint32 (double)	size: 4
Wavelength assignment of the lowest used CCD column for SPB CCD2 unit: "1e-3 nm" converted unit: "nm" (multiply by 1/1000)

spec_disp_lut_size

binary uint8	size: 1
Size of the spectral dispersion LUT

wavelength_lut

binary array[30]

size: 120

Wavelength values for the spectral dispersion LUT

binary uint32 (double) size: 4

unit: "1e-3 nm"

converted unit: "nm" (multiply by 1/1000)

spec_disp

binary array[30]

size: 120

Spectral dispersion of the spectrometers as a function of the wavelength LUT

binary uint32 (double) size: 4

unit: "1e-3 nm/mm"

converted unit: "nm/mm" (multiply by 1/1000)

lower_wl_fp1

binary uint32 (double)	size: 4
Lower wavelength of the band of FP1 unit: "1e-3 nm" converted unit: "nm" (multiply by 1/1000)

higher_wl_fp1

binary uint32 (double)	size: 4
Higher wavelength of the band of FP1 unit: "1e-3 nm" converted unit: "nm" (multiply by 1/1000)

lower_wl_fp2

binary uint32 (double)	size: 4
Lower wavelength of the band of FP2 unit: "1e-3 nm" converted unit: "nm" (multiply by 1/1000)

higher_wl_fp2

binary uint32 (double)	size: 4
Higher wavelength of the band of FP2 unit: "1e-3 nm" converted unit: "nm" (multiply by 1/1000)

fp_trans_curve_size

binary array[2]

size: 2

Size of the FP transmission curves

binary uint8 size: 1

wavelen_fp_trans_curve

binary array[2, 32]

size: 256

Wavelengths of the FP transmission curves

binary uint32 (double) size: 4

unit: "1e-3 nm"

converted unit: "nm" (multiply by 1/1000)

fp_trans_curve

binary array[2, 32]

size: 256

FP transmission curves

binary float size: 4

unit: "%"

slit_lut_size

binary uint8	size: 1
Size of the slit transmission factor LUT

slit_angles

binary array[10]

size: 40

Angles for the slit transmission LUT

binary int32 (double) size: 4

unit: "1e-6 degrees"

converted unit: "degrees" (multiply by 1/1e+06)

slit_factors

binary array[10]

size: 20

Slit transmission factor LUT

binary uint16 (double) size: 2

unit: "1e-4"

converted unit: "" (multiply by 1/10000)

conv_lut_size

binary array[2]

size: 2

Size of the LUT for the conversion between spectrometers and photometers samples

binary uint8 size: 1

spectral_grid

binary array[2, 10]

size: 80

Spectral grid for the transformation between electrons received by the spectrometers and by the photometers

binary uint32 (double) size: 4

unit: "1e-3 nm"

converted unit: "nm" (multiply by 1/1000)

conv_factors

binary array[2, 10]

size: 80

Transformation between electrons received by spectrometers and electrons received by photometers

binary float size: 4

size_rad_sens_curve_limb

binary uint8	size: 1
Size of the radiometric sensitivity curve (limb)

abs_rad_sens_curve_limb

binary array[128]

size: 512

Abscissae of the radiometric sensitivity curve (limb)

binary uint32 (double) size: 4

unit: "1e-3 nm"

converted unit: "nm" (multiply by 1/1000)

rad_sens_curve_limb

binary array[128]

size: 512

Radiometric sensitivity curve (limb) (unit: lf/e)

binary float size: 4

size_rad_sens_curve_star

binary uint8	size: 1
Size of the radiometric sensitivity curve (star)

abs_rad_sens_curve_star

binary array[128]

size: 512

Abscissae of the radiometric sensitivity curve (star)

binary uint32 (double) size: 4

unit: "1e-3 nm"

converted unit: "nm" (multiply by 1/1000)

rad_sens_curve_star

binary array[128]

size: 512

Radiometric sensitivity curve (star)

binary float size: 4

unit: "photons/(s.cm2.nm.e)"

rel_spect_orient

binary array[4]

size: 4

Relative spectral orientation of the CCD with respect to the column index

binary int8 size: 1

rel_orient_ccd_wrt_satu

binary array[6, 2]

size: 12

Relative orientation of the CCD with respect to the SATU

binary int8 size: 1

num_azimuth_angles

binary uint8	size: 1
Number of azimuth angles used to define the vignetting LUT

azimuth_angles_of_lut

binary array[7]

size: 14

Azimuth angles used to define the vignetting LUT

binary int16 (double) size: 2

unit: "1e-2 degrees"

converted unit: "degrees" (multiply by 1/100)

num_elev_angles_for_lut

binary uint8	size: 1
Number of elevation angles used to define the vignetting LUT

elevation_angles

binary array[5]

size: 10

Elevation angles used to define the vignetting LUT

binary int16 (double) size: 2

unit: "1e-2 degrees"

converted unit: "degrees" (multiply by 1/100)

vignetting_lut

binary array[5, 7]

size: 35

Vignetting LUT

binary uint8 size: 1

unit: "%"

num_azimuth_ang_lut

binary uint8	size: 1
Number of azimuth angles for which a reflectivity LUT is specified

num_elevation_ang_lut

binary uint8	size: 1
Number of elevation angles for which a reflectivity LUT is specified

azimuth_ang_ref_lut

binary array[16]

size: 64

Azimuth angles for the reflectivity LUT

binary float size: 4

unit: "degrees"

elev_ang_ref_lut

binary array[5]

size: 20

Elevation angles for the reflectivity LUT

binary float size: 4

unit: "degrees"

size_reflect_lut

binary uint8	size: 1
Size of the reflectivity LUT

reflect_lut_wave

binary array[64]

size: 256

Wavelengths used to define the reflectivity LUT

binary float size: 4

unit: "nm"

reflect_lut

binary array[5, 16, 64]

size: 10240

Reflectivity LUT

binary int16 (double) size: 2

unit: "1e-2 %/degrees"

converted unit: "%/degrees" (multiply by 1/100)

num_ins_meas_occ

binary uint32	size: 4
Number of instable measurements at the beginning of the occultation

satu_win_shift

binary uint8	size: 1
SATU window shift during the wavelength calibration

per_tot_star_signal

binary array[4, 3]

size: 48

Percentage of total star signal on the central and background bands

binary float size: 4

unit: "%"

spare_1

binary bytes	size: 57
Spare

hidden: true