PDS_VERSION_ID               = PDS3                                           
                                                                              
/* FILE CHARACTERISTICS */                                                    
                                                                              
RECORD_TYPE                  = FIXED_LENGTH                                   
RECORD_BYTES                 = 106                                            
FILE_RECORDS                 = 1                                              
                                                                              
/* DATA OBJECT POINTERS */                                                    
                                                                              
^TABLE                       = "ONSURNA3.TAB"                                 
                                                                              
/* IDENTIFICATION KEYWORDS */                                                 
                                                                              
DATA_SET_ID                  = "NEAR-A-GRS-3-EDR-EROS/SURFACE-V1.0"           
PRODUCT_NAME                 = "GRS L2 ON-SURFACE ANCILLARY NAI"              
PRODUCT_ID                   = "ONSURNA3"                                     
INSTRUMENT_HOST_NAME         = "NEAR EARTH ASTEROID RENDEZVOUS"               
INSTRUMENT_NAME              = "GAMMA RAY SPECTROMETER"                       
TARGET_NAME                  = "EROS"                                         
START_TIME                   = 2001-02-22T17:32:53                            
STOP_TIME                    = 2001-02-26T17:47:36                            
                                                                              
PRODUCT_CREATION_TIME        = 2001-08-15  /*  PEER REVIEW DATE  */           
                                                                              
SPACECRAFT_CLOCK_START_COUNT  = 158273394                                     
SPACECRAFT_CLOCK_STOP_COUNT   = 158619877                                     
                                                                              
DESCRIPTION                  = " THIS FILE CONTAINS THE NEAR EARTH            
 ASTEROID RENDEZVOUS (NEAR) GAMMA-RAY SPECTROMETER LEVEL-2                    
 ANCILLARY DATA SPECIFIC TO THE NAI SPECTRUM FOR THE ON-ASTEROID              
 GRS INSTRUMENT SEQUENCE.                                                     
"                                                                             
                                                                              
                                                                              
                                                                              
/* DATA OBJECT DESCRIPTIONS */                                                
                                                                              
OBJECT                       = TABLE                                          
 ROWS                        = 1                                              
 ROW_BYTES                   = 106                                            
 INTERCHANGE_FORMAT          = ASCII                                          
 COLUMNS                     = 11                                             
 DESCRIPTION                 = "THE ANCILLARY DATA FOR THE INTEGRATED         
  NAI (SODIUM IODIDE) AND BGO SPECTRA COLLECTED AND INTEGRATED FROM THE       
  SURFACE OF 433EROS ASTEROID BY THE NEAR GAMMA-RAY SPECTROMETER. THE         
  DATA COMPRISE THE PARAMETERS THAT DESCRIBE THE ENGINEERING AND              
  SPATIAL CONDITIONS UNDER WHICH THE SPECTRA WERE COLLECTED.                  
"                                                                             
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 1                                                         
    DATA_TYPE     = ASCII_INTEGER                                             
    NAME          = START_MET                                                 
    DESCRIPTION   = "START MISSION EVENT TIME (MET) OF                        
    INTEGRATION (SECONDS FROM START OF MISSION)"                              
    START_BYTE    = 1                                                         
    BYTES         = 10                                                        
    FORMAT        = "I10"                                                     
    UNIT          = SECONDS                                                   
   END_OBJECT = COLUMN                                                        
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 2                                                         
    DATA_TYPE     = ASCII_INTEGER                                             
    NAME          = END_MET                                                   
    DESCRIPTION   = "END MISSION EVENT TIME (MET) OF                          
    1ST INTEGRATION OF 2 COLLECTED (SECONDS FROM START                        
    OF MISSION)"                                                              
    START_BYTE    = 12                                                        
    BYTES         = 10                                                        
    FORMAT        = "I10"                                                     
    UNIT          = SECONDS                                                   
   END_OBJECT = COLUMN                                                        
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 3                                                         
    DATA_TYPE     = ASCII_INTEGER                                             
    NAME          = INTEGR_TIME                                               
    DESCRIPTION   = "DURATION OF INTEGRATION TIME 1 (SEC)"                    
    START_BYTE    = 23                                                        
    BYTES         = 10                                                        
    FORMAT        = "I10"                                                     
    UNIT          = SECONDS                                                   
   END_OBJECT = COLUMN                                                        
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 4                                                         
    DATA_TYPE     = ASCII_REAL                                                
    NAME          = SURFACE_LATITUDE                                          
    DESCRIPTION   = "THE SURFACE LATITUDE OF THE NEAR                         
    SPACECRAFT DURING THE EROS ON-SURFACE GRS INSTRUMENT                      
    INTEGRATIONS (BETWEEN 2001:045 AND 2001:059) WEST                         
    LONGITUDE (DEGREES) SEE VERVEKA ET. AL. 2001"                             
    START_BYTE    = 34                                                        
    BYTES         = 7                                                         
    FORMAT        = "F7.3"                                                    
   END_OBJECT = COLUMN                                                        
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 5                                                         
    DATA_TYPE     = ASCII_REAL                                                
    NAME          = SURFACE_LONGITUDE                                         
    DESCRIPTION   = "THE SURFACE LONGITUDE OF THE NEAR                        
    SPACECRAFT DURING THE EROS ON-SURFACE GRS INSTRUMENT                      
    INTEGRATIONS (BETWEEN 2001:045 AND 2001:059) WEST                         
    LONGITUDE SEE VERVEKA ET. AL. 2001"                                       
    START_BYTE    = 42                                                        
    BYTES         = 7                                                         
    FORMAT        = "F7.3"                                                    
   END_OBJECT = COLUMN                                                        
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 6                                                         
    DATA_TYPE     = ASCII_REAL                                                
    NAME          = INST_SURF_ATTITUDE                                        
    DESCRIPTION   = "THE ATTITUDE NEAR GRS INSTRUMENT                         
    BORESITE WITH RESPECT TO THE SURFACE (DEGREES FROM SURFACE                
    NORMAL)"                                                                  
    START_BYTE    = 50                                                        
    BYTES         = 7                                                         
    FORMAT        = "F7.3"                                                    
   END_OBJECT = COLUMN                                                        
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 7                                                         
    DATA_TYPE     = ASCII_REAL                                                
    NAME          = GAIN                                                      
    DESCRIPTION   = "THE GAIN OF THE INSTRUMENT DURING                        
    ON SURFACE INTEGRATIONS IN KEV/CHANNEL"                                   
    START_BYTE    = 58                                                        
    BYTES         = 7                                                         
    FORMAT        = "F7.3"                                                    
   END_OBJECT = COLUMN                                                        
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 8                                                         
    DATA_TYPE     = ASCII_REAL                                                
    NAME          = ZERO                                                      
    DESCRIPTION   = "THE ZERO OF THE INSTRUMENT DURING                        
    ON SURFACE INTEGRATIONS IN EV"                                            
    START_BYTE    = 66                                                        
    BYTES         = 7                                                         
    FORMAT        = "F7.3"                                                    
   END_OBJECT = COLUMN                                                        
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 9                                                         
    DATA_TYPE     = ASCII_INTEGER                                             
    NAME          = TOTAL_INTEG_CNTS                                          
    DESCRIPTION   = "TOTAL COUNTS COLLECTED IN THE                            
    SPECTRUM (COUNTS)"                                                        
    START_BYTE    = 74                                                        
    BYTES         = 10                                                        
    FORMAT        = "I10"                                                     
   END_OBJECT = COLUMN                                                        
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 10                                                        
    DATA_TYPE     = ASCII_INTEGER                                             
    NAME          = TOTAL_LIVETIME                                            
    DESCRIPTION   = "TOTAL LIVETIME OF THE SPECTRA                            
    NAI = 0.92 * INTEGRATION TIME (SECONDS),                                  
    BGO = 0.99 * INTEGRATION TIME (SECONDS)"                                  
    START_BYTE    = 85                                                        
    BYTES         = 10                                                        
    FORMAT        = "I10"                                                     
    UNIT          = SECONDS                                                   
   END_OBJECT = COLUMN                                                        
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 11                                                        
    DATA_TYPE     = ASCII_REAL                                                
    NAME          = COUNT_RATE                                                
    DESCRIPTION   = "THE COUNT RATE FOR THE SPECTRUM                          
    (COUNTS/SEC)"                                                             
    START_BYTE    = 96                                                        
    BYTES         = 9                                                         
    FORMAT        = "F9.4"                                                    
   END_OBJECT = COLUMN                                                        
                                                                              
 END_OBJECT = TABLE                                                           
                                                                              
END