OBJECT        = COLUMN
   NAME           = MISSION_ELAPSED_TIME
   COLUMN_NUMBER  = 1
   BYTES          = 4
   DATA_TYPE      = MSB_UNSIGNED_INTEGER
   START_BYTE     = 1
   UNIT           = SECOND
   DESCRIPTION    = "Time tag in seconds of the start of the associated
   reporting/accumulation period."
END_OBJECT    = COLUMN

OBJECT        = COLUMN
   NAME           = UTC_TIME
   COLUMN_NUMBER  = 2
   BYTES          = 19
   DATA_TYPE      = CHARACTER
   START_BYTE     = 5
   DESCRIPTION    = "UTC time at start of data collection.
   Format: YYYY-MM-DDTHH:MM:SS."
END_OBJECT    = COLUMN

OBJECT        = COLUMN
   NAME           = UTC_TIME_JULDAY
   COLUMN_NUMBER  = 3
   BYTES          = 8
   DATA_TYPE      = IEEE_REAL
   START_BYTE     = 24
   DESCRIPTION    = "UTC time at start of data collection given in 
   Julian day."
END_OBJECT    = COLUMN

OBJECT        = COLUMN
   NAME           = ORBIT_NUMBER
   COLUMN_NUMBER  = 4
   BYTES          = 4
   DATA_TYPE      = MSB_UNSIGNED_INTEGER
   START_BYTE     = 32
   DESCRIPTION    = "Unique identifier for a given orbit of MESSENGER 
   around Mercury. Orbit number is defined as starting at apoherm and 
   is calculated using the MET value and the appropriate SPICE kernels 
   (see GEOMETRY/geominfo.txt). Orbit numbering does not start until 
   MESSENGER performs the Mercury orbit insertion. Until that time the 
   value for orbit number is 0."
END_OBJECT    = COLUMN

OBJECT        = COLUMN
   NAME           = ACTUAL_ACCUM
   COLUMN_NUMBER  = 5
   BYTES          = 4
   DATA_TYPE      = MSB_UNSIGNED_INTEGER
   START_BYTE     = 36
   UNIT           = SECOND
   DESCRIPTION    = "Actual accumulation period in seconds for software 
   counters and energy histograms."
END_OBJECT    = COLUMN

OBJECT        = COLUMN
   NAME           = SC_ALTITUDE
   COLUMN_NUMBER  = 6
   BYTES          = 4
   DATA_TYPE      = IEEE_REAL
   START_BYTE     = 40
   UNIT           = KM
   DESCRIPTION    = "Spacecraft altitude above the subsatellite point 
   on the target in units of km."
END_OBJECT    = COLUMN

OBJECT        = COLUMN
   NAME           = SC_LATITUDE
   COLUMN_NUMBER  = 7
   BYTES          = 4
   DATA_TYPE      = IEEE_REAL
   START_BYTE     = 44
   UNIT           = DEGREE
   DESCRIPTION    = "Target-centric latitude of the spacecraft 
   subsatellite point in degrees."
END_OBJECT    = COLUMN

OBJECT        = COLUMN
   NAME           = SC_LONGITUDE
   COLUMN_NUMBER  = 8
   BYTES          = 4
   DATA_TYPE      = IEEE_REAL
   START_BYTE     = 48
   UNIT           = DEGREE
   DESCRIPTION    = "Target-centric longitude of the spacecraft 
   subsatellite point in degrees."
END_OBJECT    = COLUMN

OBJECT        = COLUMN
   NAME           = LG1_GCR_SPECTRA
   COLUMN_NUMBER  = 9
   BYTES          = 256
   DATA_TYPE      = IEEE_REAL
   START_BYTE     = 52
   ITEMS          = 64
   ITEM_BYTES     = 4
   UNIT           = "COUNTS/CHANNEL/SPECTRA"
   DESCRIPTION    = "LG1 GCR spectra in counts per channel per 
   spectra."
END_OBJECT    = COLUMN

OBJECT        = COLUMN
   NAME           = LG2_GCR_SPECTRA
   COLUMN_NUMBER  = 10
   BYTES          = 256
   DATA_TYPE      = IEEE_REAL
   START_BYTE     = 308
   ITEMS          = 64
   ITEM_BYTES     = 4
   UNIT           = "COUNTS/CHANNEL/SPECTRA"
   DESCRIPTION    = "LG2 GCR spectra in counts per channel per 
   spectra."
END_OBJECT    = COLUMN