PDS_VERSION_ID               = PDS3                                           
                                                                              
RECORD_TYPE                  = "FIXED_LENGTH"                                 
RECORD_BYTES                 = 20                                             
FILE_RECORDS                 = 101649                                         
^TABLE                       = "MAG19117.DAT"                                 
                                                                              
DATA_SET_ID                  = "GIO-C-MAG-4-RDR-GRIGG-SKJELL-V1.0"            
PRODUCT_ID                   = "MAG-MAG19117-199512"                          
PRODUCT_NAME    = "GIOTTO EXTENDED MISSION, MAGNETOMETER: CRUISE DATA, 191/17"
PRODUCT_CREATION_TIME        = 1995-12                                        
TARGET_NAME                  = "26P/GRIGG-SKJELLERUP 1 (1922 K1)"             
INSTRUMENT_HOST_NAME         = "GIOTTO"                                       
INSTRUMENT_NAME              = "FLUXGATE MAGNETOMETER"                        
START_TIME                   = 1992-07-09T17:00:00.024                        
STOP_TIME                    = 1992-07-09T17:59:60.000                        
                                                                              
SPACECRAFT_CLOCK_START_COUNT = "UNK"                                          
SPACECRAFT_CLOCK_STOP_COUNT  = "UNK"                                          
                                                                              
DESCRIPTION            = "This file contains magnetic field vector information
  obtained by the magnetometer aboard the Giotto spacecraft.                  
  Magnetic field vectors were measured at the rate of 640                     
  vectors per 22.667 seconds.  This file contains data for                    
  one hour of the mission."                                                   
                                                                              
OBJECT     = TABLE                                                            
  INTERCHANGE_FORMAT = "BINARY"                                               
  ROWS               = 101649                                                 
  ROW_BYTES          = 20                                                     
  COLUMNS            = 9                                                      
  DESCRIPTION        = "This table contains magnetic field vector information 
    taken at the rate of 101,647 vectors per hour."                           
                                                                              
  OBJECT     = COLUMN                                                         
    NAME        = "TAG"                                                       
    DATA_TYPE   = "CHARACTER"                                                 
    START_BYTE  = 1                                                           
    BYTES       = 2                                                           
    DESCRIPTION = "This column always contains the 2-character flag 'v ',     
      indicating a vector record."                                            
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    NAME        = "DAY"                                                       
    DATA_TYPE   = "MSB_INTEGER"                                               
    START_BYTE  = 3                                                           
    BYTES       = 2                                                           
    UNIT        = "DAYS"                                                      
    DESCRIPTION = "Day number, since 1992-01-01"                              
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    NAME           = "DAY_FRACTION"                                           
    DATA_TYPE      = "MSB_INTEGER"                                            
    START_BYTE     = 5                                                        
    BYTES          = 4                                                        
    UNIT           = "SECONDS"                                                
    SCALING_FACTOR = .0001                                                    
    DESCRIPTION    = "Time since midnight in units of 1.e-4 seconds.  This    
      is ground-receive time (GRT)"                                           
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    NAME             = "AVERAGE_X"                                            
    DATA_TYPE        = "MSB_INTEGER"                                          
    START_BYTE       = 9                                                      
    BYTES            = 2                                                      
    UNIT             = "NANOTESLA"                                            
    SCALING_FACTOR   = 0.1                                                    
    MISSING_CONSTANT = -9999                                                  
    DESCRIPTION      = "X-component of the magnetic field as measure by the   
      main (outboard) magnetometer"                                           
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    NAME             = "AVERAGE_Y"                                            
    DATA_TYPE        = "MSB_INTEGER"                                          
    START_BYTE       = 11                                                     
    BYTES            = 2                                                      
    UNIT             = "NANOTESLA"                                            
    SCALING_FACTOR   = 0.1                                                    
    MISSING_CONSTANT = -9999                                                  
    DESCRIPTION      = "Y-component of the magnetic field as measured by the  
      main magnetometer"                                                      
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    NAME             = "AVERAGE_Z"                                            
    DATA_TYPE        = "MSB_INTEGER"                                          
    START_BYTE       = 13                                                     
    BYTES            = 2                                                      
    UNIT             = "NANOTESLA"                                            
    SCALING_FACTOR   = 0.1                                                    
    MISSING_CONSTANT = -9999                                                  
    DESCRIPTION      = "Z-component of the magnetic field as measured bythe   
      main magnetometer"                                                      
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    NAME             = "X_DIFF"                                               
    DATA_TYPE        = "MSB_INTEGER"                                          
    START_BYTE       = 15                                                     
    BYTES            = 2                                                      
    UNIT             = "NANOTESLA"                                            
    SCALING_FACTOR   = 0.1                                                    
    MISSING_CONSTANT = -9999                                                  
    DESCRIPTION      = "X-component of the difference vector between outboard 
                        and inboard magnetometers.  Inboard vectors are given 
                        every tenth outboard vector; this field is set to the 
      value -9999 when no vector difference is available."                    
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    NAME             = "Z_DIFF"                                               
    DATA_TYPE        = "MSB_INTEGER"                                          
    START_BYTE       = 17                                                     
    BYTES            = 2                                                      
    UNIT             = "NANOTESLA"                                            
    SCALING_FACTOR   = 0.1                                                    
    MISSING_CONSTANT = -9999                                                  
    DESCRIPTION      = "Z-component of the difference vector between outboard 
                        and inboard magnetometers.  Inboard vectors are given 
                        every tenth outboard vector; this field is set to the 
      value -9999 when no vector difference is available."                    
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    NAME             = "PHASE_ANGLE"                                          
    DATA_TYPE        = "MSB_INTEGER"                                          
    START_BYTE       = 19                                                     
    BYTES            = 2                                                      
    UNIT             = "DEGREES"                                              
    SCALING_FACTOR   = 0.1                                                    
    MISSING_CONSTANT = -9999                                                  
    DESCRIPTION      = "Phase angle of the spacecraft at the time of the      
      measurement (for internal use only)."                                   
  END_OBJECT = COLUMN                                                         
                                                                              
END_OBJECT = TABLE                                                            
END