CCSD3ZF0000100000001NJPL3IF0PDS200000001 = SFDU_LABEL
/* Detached PDS label for the Viking Orbiter LOS gravity data file */
RECORD_TYPE                    = FIXED_LENGTH
RECORD_BYTES                   = 42
FILE_RECORDS                   = 22569
^TABLE                         = "VMAR001L.DAT"
OBJECT                         = TABLE
  INTERCHANGE_FORMAT           = ASCII
  ROWS                         = 22569
  COLUMNS                      = 4
/* Dataset descriptive parameters */
  DATA_SET_ID                  = "VO2-M-RSS-4-LOS-GRAVITY-V1.0"
  TARGET_NAME                  = MARS
  SPACECRAFT_NAME              = "VIKING ORBITER 2"
  INSTRUMENT_NAME              = "VIKING ORBITER RADIOSCIENCE SUBSYSTEM"
  PRODUCER_FULL_NAME           = "BRUCE BILLS"
  NOTE                         = "This file contains line of sight (LOS)
        gravity estimates in mm/sec^2 derived from Viking Orbiter
        Doppler tracking measurements.  The data for all orbits in which
        LOS data were acquired are stored in this one file.  The
        accompanying file VMAR001N.DAT contains pointers to the starting
        record and number of records for each orbit, along with the sub-
        Earth latitude and longitude and the spacecraft location and
        velocity at one point in that orbit well away from periapsis.
        For reference, see Sjogren, W. L., Mars gravity:  High
        resolution results from Viking Orbiter 2, Science, 203, 1006-
        1010, 1979."

/* Descriptions of each column in the file */
  OBJECT                       = COLUMN
     NAME                      = LATITUDE
     DATA_TYPE                 = REAL
     UNIT                      = DEGREES
     START_BYTE                = 1
     BYTES                     = 8
     FORMAT                    = 'F8.4'
     DESCRIPTION               = "The subspacecraft latitude for the
        point."
  END_OBJECT                   = COLUMN

  OBJECT                       = COLUMN
     NAME                      = LONGITUDE
     DATA_TYPE                 = REAL
     UNIT                      = DEGREES
     START_BYTE                = 11
     BYTES                     = 9
     FORMAT                    = 'F9.4'
     DESCRIPTION               = "The subspacecraft longitude for  the
        point.  Longitudes increase to the west and range from -180 to
        180."
  END_OBJECT                   = COLUMN

  OBJECT                       = COLUMN
     NAME                      = ACCELERATION
     DATA_TYPE                 = REAL
     UNIT                      = "MM/(SEC^2)"
     START_BYTE                = 22
     BYTES                     = 7
     FORMAT                    = 'F7.4'
     DESCRIPTION               = "The spacecraft acceleration along the
        line of sight."

  END_OBJECT                   = COLUMN

  OBJECT                       = COLUMN
     NAME                      = ALTITUDE
     DATA_TYPE                 = REAL
     UNIT                      = KILOMETERS
     START_BYTE                = 31
     BYTES                     = 9
     FORMAT                    = 'F9.4'
     DESCRIPTION               = "The height of the spacecraft above the
        planetary surface."
  END_OBJECT                   = COLUMN

END_OBJECT                     = TABLE
END