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PDS_VERSION_ID      = PDS3                                                    
RECORD_TYPE         = STREAM                                                  
OBJECT              = TEXT                                                    
  PUBLICATION_DATE    = 1999-07-30                                            
  NOTE                = "Description of contents of GEOMETRY                  
                         directory"                                           
END_OBJECT          = TEXT                                                    
END                                                                           
                                                                              
      The GEOMETRY directory holds a NAIF SPK file and Right                  
 Ascension / Declination files for Galileo Earth1 and Earth2 Mass             
Determination experiments.                                                    
                                                                              
      Each SPK file is a data module which can be read and interpreted        
using software provided by the PDS Navigation and Ancillary                   
Information Facility (NAIF).  That software is described briefly in           
TK_FTP.TXT, TK_DESCR.TXT, and TK_INSTL.TXT in the DOCUMENT directory.         
                                                                              
      Users will normally convert the file from its archival                  
'transfer' format to the local binary format using the NAIF utility           
SPACIT.                                                                       
                                                                              
      SPK file names are of the form SyymmddA.XSP.  Detached PDS              
labels have names SyymmddA.LBL.  In each case yymmdd represents the           
2-digit year, 2-digit month, and 2-digit day on which the file starts.