PDS_VERSION_ID                  = PDS3
RECORD_TYPE                     = FIXED_LENGTH
RECORD_BYTES                    = 163
FILE_RECORDS                    = 767
^TABLE                          = "SUMDARKS.TAB"

DATA_SET_ID                     = "VG1/VG2-S-ISS-2/3/4/6-PROCESSED-V1.0"
PRODUCT_CREATION_TIME           = 2006-06-07T12:00:00

OBJECT                          = TABLE
   INTERCHANGE_FORMAT           = ASCII
   ROWS                         = 767
   COLUMNS                      = 12
   ROW_BYTES                    = 163
   DESCRIPTION                  = "Index table summarizing the image files
that were coadded to produce each model dark current in the SUMDARKS directory
on volume VGISS_0038. The file contains one row for every image used in a dark
current."

   OBJECT                       = COLUMN
     NAME                       = SUMDARKS_FILE_NAME
     DATA_TYPE                  = CHARACTER
     COLUMN_NUMBER              = 1
     START_BYTE                 = 2
     BYTES                      = 30
     FORMAT                     = "A30"
     DESCRIPTION                = "The name of a model dark current file
in the SUMDARKS directory on volume VGISS_0038."
   END_OBJECT                   = COLUMN

   OBJECT                       = COLUMN
     NAME                       = IMAGE_INDEX_NUMBER
     DATA_TYPE                  = ASCII_INTEGER
     COLUMN_NUMBER              = 2
     START_BYTE                 = 34
     BYTES                      = 2
     FORMAT                     = "I2"
     DESCRIPTION                = "An index number for the Voyager image used
to produce this model dark current."
   END_OBJECT                   = COLUMN

   OBJECT                       = COLUMN
     NAME                       = IMAGE_COUNT
     DATA_TYPE                  = ASCII_INTEGER
     COLUMN_NUMBER              = 3
     START_BYTE                 = 37
     BYTES                      = 2
     FORMAT                     = "I2"
     DESCRIPTION                = "The number of Voyager images combined to
produce this dark current."
   END_OBJECT                   = COLUMN

   OBJECT                       = COLUMN
     NAME                       = SOURCE_PRODUCT_ID
     DATA_TYPE                  = CHARACTER
     COLUMN_NUMBER              = 4
     START_BYTE                 = 41
     BYTES                      = 20
     FORMAT                     = "A20"
     DESCRIPTION                = "The PRODUCT_ID of one of the images used
to produce this dark current. This is equivalent to the file name and is of
the form Cxxxxxxx_CLEANED.IMG, where xxxxxxx is replaced by the seven-digit
FDS count."
   END_OBJECT                   = COLUMN

   OBJECT                       = COLUMN
     NAME                       = SPACECRAFT_NAME
     DATA_TYPE                  = CHARACTER
     COLUMN_NUMBER              = 5
     START_BYTE                 = 64
     BYTES                      = 9
     FORMAT                     = "A9"
     DESCRIPTION                = "The spacecraft name associated with the
source image, either VOYAGER 1 and VOYAGER 2."
   END_OBJECT                   = COLUMN

   OBJECT                       = COLUMN
     NAME                       = TARGET_NAME
     DATA_TYPE                  = CHARACTER
     COLUMN_NUMBER              = 6
     START_BYTE                 = 76
     BYTES                      = 10
     FORMAT                     = "A10"
     DESCRIPTION                = "The nominal or primary target of the
image."
   END_OBJECT                   = COLUMN

   OBJECT                       = COLUMN
     NAME                       = IMAGE_NUMBER
     DATA_TYPE                  = ASCII_REAL
     COLUMN_NUMBER              = 7
     START_BYTE                 = 88
     BYTES                      = 8
     FORMAT                     = "F8.2"
     DESCRIPTION                = "The unique number which identifies this
image. IMAGE_NUMBER is extracted from the Flight Data Subsystem (FDS) clock
count at time of image acquisition. For Voyager images the number is a
seven-digit value, with 5 digits to the left of the decimal point (the modulo
16-bit (65536) count and 2 digits to the right of the decimal point (the
modulo 60 count)."
   END_OBJECT                   = COLUMN

   OBJECT                       = COLUMN
     NAME                       = IMAGE_TIME
     DATA_TYPE                  = CHARACTER
     COLUMN_NUMBER              = 8
     START_BYTE                 = 98
     BYTES                      = 19
     FORMAT                     = "A19"
     DESCRIPTION                = "Time at which image was acquired, in the
format yyyy-mm-ddThh:mm:ss. The time system is Universal Time (UTC): 'yyyy'
for year, 'mm' for month, 'dd' for day of month, 'hh' for hour, 'mm' for
minute, 'ss' for second."
   END_OBJECT                   = COLUMN

   OBJECT                       = COLUMN
     NAME                       = INSTRUMENT_NAME
     DATA_TYPE                  = CHARACTER
     COLUMN_NUMBER              = 9
     START_BYTE                 = 120
     BYTES                      = 19
     FORMAT                     = "A19"
     DESCRIPTION                = "The camera used to acquire the image,
either NARROW ANGLE CAMERA or WIDE ANGLE CAMERA."
   END_OBJECT                   = COLUMN

   OBJECT                       = COLUMN
     NAME                       = SCAN_MODE
     DATA_TYPE                  = CHARACTER
     COLUMN_NUMBER              = 10
     START_BYTE                 = 142
     BYTES                      = 4
     FORMAT                     = "A4"
     DESCRIPTION                = "The scan rate of vidicon readout. Values
can be '1:1', '2:1', '3:1', '5:1', and '10:1'. The instrument scan rate
affects the radiometric properties of the camera because of the dark current
buildup on the vidicon."
   END_OBJECT                   = COLUMN

   OBJECT                       = COLUMN
     NAME                       = SHUTTER_MODE
     DATA_TYPE                  = CHARACTER
     COLUMN_NUMBER              = 11
     START_BYTE                 = 149
     BYTES                      = 6
     FORMAT                     = "A6"
     DESCRIPTION                = "The instrument shutter mode, one of:
   NAONLY - narrow angle camera shuttered only;
   WAONLY - wide angle camera shuttered only;
   BOTSIM - both cameras shuttered simultaneously;
   BOTALT - both cameras shuttered alternately;
   BSIMAN - BOTSIM mode followed by NAONLY;
   BODARK - shutter remained closed for entire exposure time.
"
   END_OBJECT                   = COLUMN

   OBJECT                       = COLUMN
     NAME                       = EDIT_MODE
     DATA_TYPE                  = CHARACTER
     COLUMN_NUMBER              = 12
     START_BYTE                 = 158
     BYTES                      = 3
     FORMAT                     = "A3"
     DESCRIPTION                = "The edit mode of the camera. Values are
'1:1', which indicates the full resolution of the vidicon, and '3:4', '3:5',
'1:2', '2:5', '1:3', '1:5', and '1:10' for partial resolution images. This
indicates the amount of data read from the vidicon."
   END_OBJECT                   = COLUMN

END_OBJECT                      = TABLE

END