PDS_VERSION_ID                = PDS3                                          
RECORD_TYPE                   = FIXED_LENGTH                                  
RECORD_BYTES                  = 328
FILE_RECORDS                  = 74402                                         
^INDEX_TABLE                  = "INDEX.TAB"                                   
VOLUME_ID                     = MESSGRS_2001                                  
DATA_SET_ID                   = {"MESS-E/V/H-GRNS-3-GRS-CDR-V1.0",
                                 "MESS-E/V/H-GRNS-5-GRS-DAP-V1.0"}            
MISSION_NAME                  = "MESSENGER"                                   
INSTRUMENT_NAME               = "GAMMA RAY SPECTROMETER"                      
START_TIME                    = 2004-08-12T22:01:55.7                         
STOP_TIME                     = 2015-04-30T14:24:17.0                         
PRODUCT_CREATION_TIME         = 2015-10-23T18:59:13.0                         
DESCRIPTION                   = "This index file lists information            
   about each of the MESSENGER GRS CDR/RDR/DAP data products contained on     
   this archive volume."                                                      
                                                                              
OBJECT                        = INDEX_TABLE
  INTERCHANGE_FORMAT          = ASCII
  ROW_BYTES                   = 328
  ROWS                        = 74402
  COLUMNS                     = 15
  INDEX_TYPE                  = SINGLE

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 1
    NAME                      = VOLUME_ID
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 2
    BYTES                     = 12
    DESCRIPTION               = "The volume on which a data product is 
                                 stored."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 2
    NAME                      = PATH_NAME
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 17
    BYTES                     = 24
    DESCRIPTION               = "The full directory path to the file 
                                 relative to the volume root directory."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 3
    NAME                      = FILE_NAME
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 44
    BYTES                     = 31
    DESCRIPTION               = "The name of the file containing a data
                                 product's PDS label." 
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 4
    NAME                      = PRODUCT_ID
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 78
    BYTES                     = 36
    DESCRIPTION               = "Unique identifier for a GRS CDR/RDR product."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 5
    NAME                      = PRODUCT_TYPE
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 117 
    BYTES                     = 27
    DESCRIPTION               = "Type of GRS product."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 6
    NAME                      = PRODUCT_CREATION_TIME
    DATA_TYPE                 = TIME
    START_BYTE                = 146
    BYTES                     = 24
    DESCRIPTION               = "UTC date and time that a product 
                                 was created, in the format 
                                 yyyy-mm-ddThh:mm:ss."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 7
    NAME                      = PRODUCT_VERSION_ID
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 172
    BYTES                     = 10
    DESCRIPTION               = "The version identifier of the product. 
                                 The first version of a product is
                                 version 1.0. If the product is revised
                                 and re-released, the version ID is 
                                 incremented."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 8
    NAME                      = RELEASE_ID
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 185
    BYTES                     = 4
    DESCRIPTION               = "The ID of the Messenger mission data
                                 release. The first release is 0001,
                                 followed by 0002, etc."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 9
    NAME                      = MISSION_PHASE_NAME
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 192
    BYTES                     = 30
    DESCRIPTION               = "Common identifier for a given phase
                                 of the mission."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 10
    NAME                      = TARGET_NAME
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 225
    BYTES                     = 11
    DESCRIPTION               = "Planetary body that is the target of
                                 observation; e.g., MERCURY."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 11
    NAME                      = START_TIME
    DATA_TYPE                 = TIME
    START_BYTE                = 238
    BYTES                     = 24
    DESCRIPTION               = "UTC date and time at the beginning
                                 of data acquisition for this product, 
                                 in the format yyyy-mm-ddThh:mm:ss."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 12
    NAME                      = STOP_TIME
    DATA_TYPE                 = TIME
    START_BYTE                = 263
    BYTES                     = 24
    DESCRIPTION               = "UTC date and time at the end of
                                 data acquisition for this product, 
                                 in the format yyyy-mm-ddThh:mm:ss."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN                                       
    NAME                      = START_MET_PARTITION                          
    COLUMN_NUMBER             = 13                                           
    START_BYTE                = 288                                         
    BYTES                     = 3                                         
    DATA_TYPE                 = ASCII_INTEGER                               
    DESCRIPTION               = "The MET partition (roll-over count) 
                                 associated with the 
                                 SPACECRAFT_CLOCK_START_COUNT value (column 
                                 14). This value is incremented by 1 for 
                                 every instance where MET values have been 
                                 reset."    
  END_OBJECT                  = COLUMN                                  

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 14
    NAME                      = SPACECRAFT_CLOCK_START_COUNT
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 293
    BYTES                     = 15
    DESCRIPTION               = "Value of the spacecraft clock at 
                                 the beginning of data acquisition 
                                 for this product."
  END_OBJECT                  = COLUMN

  OBJECT                      = COLUMN
    COLUMN_NUMBER             = 15
    NAME                      = SPACECRAFT_CLOCK_STOP_COUNT
    DATA_TYPE                 = CHARACTER
    START_BYTE                = 311
    BYTES                     = 15
    DESCRIPTION               = "Value of the spacecraft clock at
                                 the end of data acquisition for this 
                                 product."
  END_OBJECT                  = COLUMN

END_OBJECT                    = INDEX_TABLE
END