PDS_VERSION_ID                 = PDS3
 
/* File characteristics */
RECORD_TYPE                    = FIXED_LENGTH
RECORD_BYTES                   = 4124
FILE_RECORDS                   = 2569
 
/* Pointers to data objects */
^TABLE                         = "1998_046_GRS.DAT"
 
/* Data identification */
DATA_SET_NAME                  = "LP MOON GAMMA RAY SPECTROMETER 3 RDR V1.0"
DATA_SET_ID                    = "LP-L-GRS-3-RDR-V1.0"
PRODUCT_ID                     = "1998_046_GRS"
PRODUCT_TYPE                   = "GAMMA_RAY_SPECTRA"
PRODUCT_VERSION_ID             = "1.0"
SPACECRAFT_NAME                = "LUNAR PROSPECTOR"
INSTRUMENT_NAME                = "GAMMA RAY SPECTROMETER"
TARGET_NAME                    = "MOON"
START_TIME                     = 1998-046T00:00:00
STOP_TIME                      = 1998-046T23:59:59
SPACECRAFT_CLOCK_START_COUNT   = "N/A"
SPACECRAFT_CLOCK_STOP_COUNT    = "N/A"
PRODUCT_CREATION_TIME          = 2004-04-28T22:21:49
 
OBJECT                         = TABLE
  INTERCHANGE_FORMAT           = BINARY
  ROWS                         = 2569
  ROW_BYTES                    = 4124
  COLUMNS                      = 9
  DESCRIPTION                  = "This table contains one day of
    LP GRS samples. There is one row for each sample."
 
  OBJECT                       = COLUMN
    COLUMN_NUMBER              = 1
    NAME                       = "ACCEPTED SPECTRUM"
    UNIT                       = COUNTS
    DATA_TYPE                  = PC_REAL
    START_BYTE                 = 1
    BYTES                      = 2048
    ITEMS                      = 512
    ITEM_BYTES                 = 4
    DESCRIPTION                = "The total number of accepted
    gamma-ray counts per 32 seconds."
  END_OBJECT                   = COLUMN
 
  OBJECT                       = COLUMN
    COLUMN_NUMBER              = 2
    NAME                       = "REJECTED SPECTRUM"
    UNIT                       = COUNTS
    DATA_TYPE                  = PC_REAL
    START_BYTE                 = 2049
    BYTES                      = 2048
    ITEMS                      = 512
    ITEM_BYTES                 = 4
    DESCRIPTION                = "The total number of rejected
    gamma-ray counts per 32 seconds."
  END_OBJECT                   = COLUMN
 
  OBJECT                       = COLUMN
    COLUMN_NUMBER              = 3
    NAME                       = "DEADTIME"
    DATA_TYPE                  = PC_REAL
    START_BYTE                 = 4097
    BYTES                      = 4
    DESCRIPTION                = "The fractional deadtime is the
    fractional amount of time per 32 seconds that the LP-GRS
    instrument is busy processing data."
  END_OBJECT                   = COLUMN
 
  OBJECT                       = COLUMN
    COLUMN_NUMBER              = 4
    NAME                       = "OVERLOAD"
    UNIT                       = COUNTS
    DATA_TYPE                  = PC_REAL
    START_BYTE                 = 4101
    BYTES                      = 4
    DESCRIPTION                = "The total number of counts per 32
    seconds for events that deposit more than 2.55 MeV in the
    anticoincidence shield scintillator."
  END_OBJECT                   = COLUMN
 
  OBJECT                       = COLUMN
    COLUMN_NUMBER              = 5
    NAME                       = "GRS TEMPERATURE"
    UNIT                       = CELSIUS
    DATA_TYPE                  = PC_REAL
    START_BYTE                 = 4105
    BYTES                      = 4
    DESCRIPTION                = "LP-GRS Housing Temperature."
  END_OBJECT                   = COLUMN
 
  OBJECT                       = COLUMN
    COLUMN_NUMBER              = 6
    NAME                       = "EARTH RECEIVED TIME"
    DATA_TYPE                  = PC_REAL
    START_BYTE                 = 4109
    BYTES                      = 4
    DESCRIPTION                = "The time that the collected data is
    received at Earth, or in the case of delayed data, the time when
    the data would have been received at Earth had it been delivered
    in real time.  The units are day of year since 1 January 1998.
    To determine the spacecraft acquisition time from the ERT,
    a 2 second spacecraft buffering time and 1.28 second Moon
    to Earth travel time needs to be subtracted from the ERT."
  END_OBJECT                   = COLUMN
 
  OBJECT                       = COLUMN
    COLUMN_NUMBER              = 7
    NAME                       = "SPACECRAFT ALTITUDE"
    UNIT                       = KILOMETER
    DATA_TYPE                  = PC_REAL
    START_BYTE                 = 4113
    BYTES                      = 4
    DESCRIPTION                = "Spacecraft height above the lunar
    surface."
  END_OBJECT                   = COLUMN
 
  OBJECT                       = COLUMN
    COLUMN_NUMBER              = 8
    NAME                       = "SUBSPACECRAFT LATITUDE"
    UNIT                       = DEGREE
    DATA_TYPE                  = PC_REAL
    START_BYTE                 = 4117
    BYTES                      = 4
    DESCRIPTION                = "The latitude of the subspacecraft
    point at the time of data collection."
  END_OBJECT                   = COLUMN
 
  OBJECT                       = COLUMN
    COLUMN_NUMBER              = 9
    NAME                       = "SUBSPACECRAFT LONGITUDE"
    UNIT                       = DEGREE
    DATA_TYPE                  = PC_REAL
    START_BYTE                 = 4121
    BYTES                      = 4
    DESCRIPTION                = "The longitude of the subspacecraft
    point at the time of data collection."
  END_OBJECT                   = COLUMN
END_OBJECT                     = TABLE
END