NAME = OBS
COLUMNS = 20
ROW_BYTES = 42
INTERCHANGE_FORMAT = BINARY
PRIMARY_KEY = ( "SPACECRAFT_CLOCK_START_COUNT" )
DESCRIPTION = "
The OBS table stores the state of the instrument at the start of each
observation. One OBS record is generated for each observation."
OBJECT = COLUMN
NAME = SPACECRAFT_CLOCK_START_COUNT
DATA_TYPE = MSB_UNSIGNED_INTEGER
START_BYTE = 1
BYTES = 4
ALIAS_NAME = sclk_time
DESCRIPTION = "The value of the spacecraft clock at the
beginning of the observation"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = ORBIT_NUMBER
DATA_TYPE = MSB_UNSIGNED_INTEGER
START_BYTE = 5
BYTES = 2
ALIAS_NAME = orbit
DESCRIPTION = "The project supplied orbit number."
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = ORBIT_COUNTER_KEEPER
DATA_TYPE = MSB_UNSIGNED_INTEGER
START_BYTE = 7
BYTES = 2
ALIAS_NAME = ock
DESCRIPTION = "Sequential count of the number of orbital
revolutions since orbit insertion. This number
is identical to the project supplied orbit number
up until the first time it is reset to zero."
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = INSTRUMENT_TIME_COUNT
DATA_TYPE = MSB_UNSIGNED_INTEGER
START_BYTE = 9
BYTES = 4
ALIAS_NAME = ick
DESCRIPTION = "The number of two-second intervals that have
elapsed since the start of the orbit. The
two-second interval is the smallest time unit
defined by the instrument and equals the time to
complete a single length scan."
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = TEMPORAL_AVERAGE_COUNT
DATA_TYPE = MSB_UNSIGNED_INTEGER
START_BYTE = 13
BYTES = 1
ALIAS_NAME = tic
DESCRIPTION = "The number of two-second scans averaged into
this observation. Valid values are 1, 2 and 4"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = MIRROR_POINTING_ANGLE
DATA_TYPE = MSB_INTEGER
START_BYTE = 14
BYTES = 2
SCALING_FACTOR = .046875
ALIAS_NAME = pnt_angle
DESCRIPTION = "Scan mirror pointing angle, degrees from nadir
about the spacecraft's +Y axis."
UNIT = "DEGREE"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = IMC_COUNT
DATA_TYPE = MSB_UNSIGNED_INTEGER
START_BYTE = 16
BYTES = 1
ALIAS_NAME = pnt_imc
DESCRIPTION = "The number of image motion compensation
steps used."
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = OBSERVATION_TYPE
DATA_TYPE = CHARACTER
START_BYTE = 17
BYTES = 1
ALIAS_NAME = pnt_view
DESCRIPTION = "The observation classification. Coarsely
identifies the type of observation as one of the
following:
B=Internal black body reference surface,
1=Visual Bolometer calibration lamp 1,
2=Visual Bolometer calibration lamp 2,
D=Planet, Day side,
N=Planet, Night side,
L=Planet, limb,
S=Space"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = SCAN_LENGTH
DATA_TYPE = CHARACTER
START_BYTE = 18
BYTES = 1
ALIAS_NAME = scan_len
DESCRIPTION = "Length of scan
1 = single length scans (~10 wavenumber spacing),
2 = double length scans (~5 wavenumber spacing)"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = DATA_PACKET_TYPE
DATA_TYPE = CHARACTER
START_BYTE = 19
BYTES = 1
ALIAS_NAME = pckt_type
DESCRIPTION = "Downlink packet format
S = short packets (no auxiliary telemetry)
L = long packets (auxiliary telemetry included)"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = SCHEDULE_TYPE
DATA_TYPE = CHARACTER
START_BYTE = 20
BYTES = 1
ALIAS_NAME = schedule_type
DESCRIPTION = "Schedule type being executed:
T = Real time plan,
C = Record plan,
O = Overlay"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = SPECTROMETER_GAIN
DATA_TYPE = CHARACTER
START_BYTE = 21
BYTES = 1
ALIAS_NAME = spc_gain
DESCRIPTION = "Spectrometer amplifier gain channel number,
1 = ~1
2 = ~2
3 = ~4
4 = ~8"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = VISUAL_BOLOMETER_GAIN
DATA_TYPE = CHARACTER
START_BYTE = 22
BYTES = 1
ALIAS_NAME = vbol_gain
DESCRIPTION = "Visual bolometer amplifier gain setting,
L = Low setting,
H = High setting"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = THERMAL_BOLOMETER_GAIN
DATA_TYPE = CHARACTER
START_BYTE = 23
BYTES = 1
ALIAS_NAME = tbol_gain
DESCRIPTION = "Thermal bolometer amplifier gain setting,
L = Low setting,
H = High setting"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = PREPROCESSOR_DETECTOR_NUMBER
DATA_TYPE = MSB_UNSIGNED_INTEGER
START_BYTE = 24
BYTES = 1
ALIAS_NAME = comp_pp
DESCRIPTION = "Precompressor reference detector number. The
spectrum from each detector within a single ICK
is subtracted from the spectrum of this detector
prior to data compression to reduce signal entropy"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = DETECTOR_MASK
DATA_TYPE = MSB_UNSIGNED_INTEGER
START_BYTE = 25
BYTES = 1
ALIAS_NAME = det_mask
DESCRIPTION = "Spatial detector mask number, one of eight
possible combinations in which the spectra from
the six TES detectors can be co-added prior to
transmission to Earth. Varies from no combination
(all detectors separate) to all detectors co-added
into a single spectrum.
See detmask.txt for more details."
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = OBSERVATION_CLASSIFICATION
DATA_TYPE = MSB_UNSIGNED_INTEGER
START_BYTE = 26
BYTES = 4
ALIAS_NAME = class
DESCRIPTION = "Numeric classification of intended target.
See ancillary Class table for specific values"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = OBSERVATION_QUALITY
DATA_TYPE = MSB_UNSIGNED_INTEGER
START_BYTE = 30
BYTES = 4
ALIAS_NAME = quality
DESCRIPTION = "32-bit observation quality word. Bits TBD.
This field is not used in this release."
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = PRIMARY_DIAGNOSTIC_TEMPERATURES
DATA_TYPE = MSB_UNSIGNED_INTEGER
START_BYTE = 34
BYTES = 8
ITEMS = 4
ITEM_BYTES = 2
SCALING_FACTOR = 0.01
ALIAS_NAME = temps
DESCRIPTION = "Primary diagnostic temperatures:
temps[1] = T1 = Visual Bolometer Detector Package
temps[2] = T2 = Thermal Bolometer Detector Package
temps[3] = T3 = Spectrometer Detector Package
temps[4] = T4 = Thermal Bolometer Black Body
Reference"
UNIT = "K"
END_OBJECT = COLUMN
OBJECT = COLUMN
NAME = FFT_START_INDEX
DATA_TYPE = MSB_UNSIGNED_INTEGER
START_BYTE = 42
BYTES = 1
ALIAS_NAME = fft_start_index
DESCRIPTION = "This parameter specifies the index into the FFT
output array that was used as the first band of
the downlinked spectral range."
END_OBJECT = COLUMN