PDS_VERSION_ID                = PDS3
RECORD_TYPE                   = FIXED_LENGTH
RECORD_BYTES                  = 156
FILE_RECORDS                  = 89
^INDEX_TABLE                  = "INDEX.TAB"
VOLUME_ID                     = "MGSL_300X"
DATA_SET_ID                   = "MGS-M-MOLA-5-MEGDR-L3-V1.0"
TARGET_NAME                   = "MARS"
MISSION_NAME                  = "MARS GLOBAL SURVEYOR"
SPACECRAFT_NAME               = "MARS GLOBAL SURVEYOR"
INSTRUMENT_NAME               = "MARS ORBITER LASER ALTIMETER"
START_TIME                    = 1997-09-15T19:10:00.000
STOP_TIME                     = 2001-06-30T11:10:40.000
START_ORBIT_NUMBER            = 3
STOP_ORBIT_NUMBER             = 20333

DESCRIPTION                   = "This index file lists information about
   MOLA MEGDR data products on this volume."

OBJECT                        = INDEX_TABLE
  INTERCHANGE_FORMAT          = ASCII
  ROW_BYTES                   = 156
  ROWS                        = 89
  COLUMNS                     = 15
  INDEX_TYPE                  = SINGLE

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 1
    NAME                      = VOLUME_ID
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 2
    BYTES                     = 9
    DESCRIPTION               = "The volume on which a data product
      is stored."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 2
    NAME                      = FILE_SPECIFICATION_NAME
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 14
    BYTES                     = 23
    DESCRIPTION               = "The directory path and file name 
       of the product label, relative to the root directory."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 3
    NAME                      = PRODUCT_ID
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 40
    BYTES                     = 16
    DESCRIPTION               = "The unique identifier for a MEGDR
       product."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 4
    NAME                      = MAP_TYPE
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 59
    BYTES                     = 17
    DESCRIPTION               = "The type of data shown in the map. 
       Possible values are MEDIAN_TOPOGRAPHY, MEAN_RADIUS, 
       AREOID_RADIUS, and COUNTS_PER_BIN."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 5
    NAME                      = PRODUCT_VERSION_ID
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 79
    BYTES                     = 3
    DESCRIPTION               = "The product version number is
       incremented when a product is revised."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 6
    NAME                      = PRODUCT_CREATION_TIME
    DATA_TYPE                 = TIME
    START_BYTE                = 84
    BYTES                     = 19
    DESCRIPTION               = "Date and time of product
       generation."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 7
    NAME                      = MAXIMUM_LATITUDE
    DATA_TYPE                 = ASCII_REAL
    START_BYTE                = 104
    BYTES                     = 5
    FORMAT                    = "F5.1"
    UNIT                      = "DEGREE"
    DESCRIPTION               = "Areocentric latitude of northernmost 
      point in the image."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 8
    NAME                      = MINIMUM_LATITUDE
    DATA_TYPE                 = ASCII_REAL
    START_BYTE                = 110
    BYTES                     = 5
    FORMAT                    = "F5.1"
    UNIT                      = "DEGREE"
    DESCRIPTION               = "Areocentric latitude of southernmost
      point in the image."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 9
    NAME                      = WESTERNMOST_LONGITUDE
    DATA_TYPE                 = ASCII_REAL
    START_BYTE                = 116
    BYTES                     = 5
    FORMAT                    = "F5.1"
    UNIT                      = "DEGREE"
    DESCRIPTION               = "Areocentric longitude of westernmost
      point in the image. Longitudes increase toward the east."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 10
    NAME                      = EASTERNMOST_LONGITUDE
    DATA_TYPE                 = ASCII_REAL
    START_BYTE                = 122
    BYTES                     = 5
    FORMAT                    = "F5.1"
    UNIT                      = "DEGREE"
    DESCRIPTION               = "Areocentric longitude of easternmost
      point in the image. Longitudes increase toward the east."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 11
    NAME                      = MAP_RESOLUTION
    DATA_TYPE                 = ASCII_REAL
    START_BYTE                = 128
    BYTES                     = 5
    FORMAT                    = "F5.1"
    UNIT                      = "PIXEL/DEGREE"
    DESCRIPTION               = "Resolution of the map in pixels per 
      degree."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 12
    NAME                      = MAP_SCALE
    DATA_TYPE                 = ASCII_REAL
    START_BYTE                = 134
    BYTES                     = 6
    FORMAT                    = "F6.3"
    UNIT                      = "KM/PIXEL"
    DESCRIPTION               = "Scale of the map in kilometers per pixel."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 13
    NAME                      = LINES
    DATA_TYPE                 = ASCII_INTEGER
    START_BYTE                = 141
    BYTES                     = 5
    FORMAT                    = "I5"
    UNIT                      = "N/A"
    DESCRIPTION               = "Number of lines in the image."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 14
    NAME                      = LINE_SAMPLES
    DATA_TYPE                 = ASCII_INTEGER
    START_BYTE                = 147
    BYTES                     = 5
    FORMAT                    = "I5"
    UNIT                      = "N/A"
    DESCRIPTION               = "Number of samples (pixels) per image line."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 15
    NAME                      = SAMPLE_BITS
    DATA_TYPE                 = ASCII_INTEGER
    START_BYTE                = 153
    BYTES                     = 2
    FORMAT                    = "I2"
    UNIT                      = "N/A"
    DESCRIPTION               = "Number of bits per pixel in the image."
  END_OBJECT                  = COLUMN

END_OBJECT                    = INDEX_TABLE
END