PDS_VERSION_ID               = PDS3                                           
                                                                              
/* File Characteristics */                                                    
                                                                              
RECORD_TYPE                  = FIXED_LENGTH                                   
RECORD_BYTES                 = 70                                             
FILE_RECORDS                 = 110                                            
                                                                              
/* Data Object Pointers */                                                    
                                                                              
^TABLE                       = "RADAR.TAB"                                    
                                                                              
/* Identification Keywords */                                                 
                                                                              
DATA_SET_ID                  = "EAR-A-5-DDR-RADAR-V3.0"                       
PRODUCT_NAME                 = "Asteroid Radar Detections"                    
PRODUCT_ID                   = "RADAR-RADAR-199604"                           
INSTRUMENT_HOST_NAME         = "N/A"                                          
INSTRUMENT_NAME              = "N/A"                                          
TARGET_NAME                  = ASTEROID                                       
START_TIME                   = 1968                                           
STOP_TIME                    = 1996                                           
PRODUCT_CREATION_TIME        = 1996-03-29  /* Peer Review Date */             
RECORD_FORMAT                = "(I5,1X,A10,A3,1X,E7.1,1X,E7.1,1X,             
F4.2,2X,F4.2,1X,I4,1X,I4,1X,A8)"                                              
                                                                              
/* Data Object Description */                                                 
                                                                              
OBJECT                       = TABLE                                          
 ROWS                        = 110                                            
 ROW_BYTES                   = 70                                             
 INTERCHANGE_FORMAT          = ASCII                                          
 COLUMNS                     = 10                                             
 DESCRIPTION                 = "Compilation of radar observations of          
asteroids.  This data file was provided by S. J. Ostro, JPL."                 
                                                                              
 OBJECT                      = COLUMN                                         
  NAME                       = "ASTEROID ID"                                  
  DESCRIPTION                = "Asteroid catalog number."                     
  DATA_TYPE                  = ASCII_INTEGER                                  
  START_BYTE                 = 1                                              
  BYTES                      = 5                                              
  FORMAT                     = I5                                             
 END_OBJECT                  = COLUMN                                         
                                                                              
 OBJECT                      = COLUMN                                         
  NAME                       = "ASTEROID PRELIMINARY DESIGNATION"             
  DESCRIPTION                = "Asteroid preliminary designation."            
  DATA_TYPE                  = CHARACTER                                      
  START_BYTE                 = 7                                              
  BYTES                      = 10                                             
  FORMAT                     = A10                                            
 END_OBJECT                  = COLUMN                                         
                                                                              
 OBJECT                      = COLUMN                                         
  NAME                       = "CROSS SECTION FLAG"                           
  DESCRIPTION                = "The presence of a '> =' in this column        
indicates that the radar cross section in the next column is a lower          
limit."                                                                       
  DATA_TYPE                  = CHARACTER                                      
  START_BYTE                 = 17                                             
  BYTES                      = 3                                              
  FORMAT                     = A3                                             
 END_OBJECT                  = COLUMN                                         
                                                                              
 OBJECT                      = COLUMN                                         
  NAME                       = "RADAR CROSS SECTION"                          
  DESCRIPTION                = "Radar cross section of asteroid."             
  UNIT                       = "SQUARE KILOMETERS"                            
  DATA_TYPE                  = ASCII_REAL                                     
  START_BYTE                 = 21                                             
  BYTES                      = 7                                              
  FORMAT                     = "E7.1"                                         
 END_OBJECT                  = COLUMN                                         
                                                                              
 OBJECT                      = COLUMN                                         
  NAME                       = "RADAR CROSS SECTION UNCERTAINTY"              
  DESCRIPTION                = "Uncertainty in radar cross section."          
  UNIT                       = "SQUARE KILOMETERS"                            
  DATA_TYPE                  = ASCII_REAL                                     
  START_BYTE                 = 29                                             
  BYTES                      = 7                                              
  FORMAT                     = "E7.1"                                         
 END_OBJECT                  = COLUMN                                         
                                                                              
 OBJECT                      = COLUMN                                         
  NAME                       = "CIRCULAR POLARIZATION RATIO"                  
  DESCRIPTION                = "Circular polarization ratio, SC/OC."          
  DATA_TYPE                  = ASCII_REAL                                     
  START_BYTE                 = 37                                             
  BYTES                      = 4                                              
  FORMAT                     = "F4.2"                                         
 END_OBJECT                  = COLUMN                                         
                                                                              
 OBJECT                      = COLUMN                                         
  NAME                       = "CIRCULAR POLARIZATION UNCERTAINTY"            
  DESCRIPTION                = "Uncertainty in the circular                   
                                polarization ratio."                          
  DATA_TYPE                  = ASCII_REAL                                     
  START_BYTE                 = 43                                             
  BYTES                      = 4                                              
  FORMAT                     = "F4.2"                                         
 END_OBJECT                  = COLUMN                                         
                                                                              
 OBJECT                      = COLUMN                                         
  NAME                       = "TRANSMITTER FREQUENCY"                        
  DESCRIPTION                = "Transmitter frequency in MHz."                
  UNIT                       = "MEGAHERTZ"                                    
  DATA_TYPE                  = ASCII_INTEGER                                  
  START_BYTE                 = 48                                             
  BYTES                      = 4                                              
  FORMAT                     = I4                                             
 END_OBJECT                  = COLUMN                                         
                                                                              
 OBJECT                      = COLUMN                                         
  NAME                       = "OBSERVATION YEAR"                             
  DESCRIPTION                = "Year of observation."                         
  DATA_TYPE                  = ASCII_INTEGER                                  
  START_BYTE                 = 53                                             
  BYTES                      = 4                                              
  FORMAT                     = I4                                             
 END_OBJECT                  = COLUMN                                         
                                                                              
 OBJECT                      = COLUMN                                         
  NAME                       = "REFERENCE CODE"                               
  DESCRIPTION                = "This code refers to the references given      
in the file 'radarref.tab'.  A code between 80 and 89 inclusive refers to     
observations reported in an abstract only.  A code between 90 and 99          
inclusive refers to observations which have not yet been published.  In       
ach of these two cases, an entry appears in the dataset for completeness,     
but no data are included.                                                     
"                                                                             
  DATA_TYPE                  = CHARACTER                                      
  START_BYTE                 = 58                                             
  BYTES                      = 8                                              
  FORMAT                     = A8                                             
 END_OBJECT                  = COLUMN                                         
                                                                              
END_OBJECT                   = TABLE                                          
END