PDS_VERSION_ID                = PDS3
RECORD_TYPE                   = FIXED_LENGTH
RECORD_BYTES                  = 197
FILE_RECORDS                  = 2546
^INDEX_TABLE                  = "INDEX.TAB"
VOLUME_ID                     = "MGSLR_XXXX"
DATA_SET_ID                   = "MGS-M-MOLA-3-PRDR-L1A-V1.0"
TARGET_NAME                   = "MARS"
MISSION_NAME                  = "MARS GLOBAL SURVEYOR"
SPACECRAFT_NAME               = "MARS GLOBAL SURVEYOR"
INSTRUMENT_NAME               = "MARS ORBITER LASER ALTIMETER"
DESCRIPTION                   = "This index file lists information
   about MOLA radiometry data products on this volume."

OBJECT                        = INDEX_TABLE
  INTERCHANGE_FORMAT          = ASCII
  ROW_BYTES                   = 197
  ROWS                        = 2546
  COLUMNS                     = 10
  INDEX_TYPE                  = SINGLE

  OBJECT                      = COLUMN
    NAME                      = VOLUME_ID
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 2
    BYTES                     = 11
    DESCRIPTION               = "The volume on which a data product
      is stored."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    NAME                      = FILE_SPECIFICATION_NAME
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 16
    BYTES                     = 28
    DESCRIPTION               = "Pathname to the detached label which
      identifies this data file."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    NAME                      = PRODUCT_ID
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 47
    BYTES                     = 17
    DESCRIPTION               = "The unique identifier for a
      radiometry data product."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    NAME                      = NATIVE_START_TIME
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 67
    BYTES                     = 16
    DESCRIPTION               = "The Ephemeris Time at the beginning of
      the first data packet for this product, in seconds from the
      J2000 epoch."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    NAME                      = NATIVE_STOP_TIME
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 86
    BYTES                     = 16
    DESCRIPTION               = "The Ephemeris Time at the beginning of
      the last data packet for this product, in seconds from the
      J2000 epoch. Each packet spans 17.5 seconds."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    NAME                      = SPACECRAFT_CLOCK_START_COUNT
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 105
    BYTES                     = 15
    DESCRIPTION               = "The value of the spacecraft clock at 
      the beginning of data acquisition for this product. Spacecraft
      clock values are given in units of seconds, with fractional
      seconds indicated by the digits to the right of the decimal point for
      passive-mode products, or the colon for mapping-mode products. In both
      cases the fractional digits represent ticks, or 256ths of a second.  
      By the time the mapping-mode products were generated (retroactively), 
      the colon had been adopted as a standard way to indicate 256ths of a 
      second. "
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    NAME                      = SPACECRAFT_CLOCK_STOP_COUNT
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 123
    BYTES                     = 15
    DESCRIPTION               = "The value of the spacecraft clock at
      the end of data acquisition for this product. Spacecraft
      clock values are given in units of seconds, with fractional
      seconds indicated by the digits to the right of the decimal point for
      passive-mode products, or the colon for mapping-mode products. In both
      cases the fractional digits represent ticks, or 256ths of a second.  
      By the time the mapping-mode products were generated (retroactively), 
      the colon had been adopted as a standard way to indicate 256ths of a 
      second. "
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    NAME                      = START_TIME
    DATA_TYPE                 = TIME
    START_BYTE                = 140
    BYTES                     = 17
    DESCRIPTION               = "The UTC date and time at the beginning
      of data acquisition for this product, in the format 
      yyyy-dddThh:mm:ss."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    NAME                      = STOP_TIME
    DATA_TYPE                 = TIME
    START_BYTE                = 158
    BYTES                     = 17
    DESCRIPTION               = "The UTC date and time at the end of
      data acquisition for this product, in the format
      yyyy-dddThh:mm:ss."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    NAME                      = MISSION_PHASE_NAME
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 177
    BYTES                     = 18
    DESCRIPTION               = "The phase of the MGS mission during
      which a product was acquired."
  END_OBJECT                  = COLUMN

END_OBJECT                    = INDEX_TABLE
END