PDS_VERSION_ID        = PDS3                                                  
                                                                              
RECORD_TYPE           = STREAM                                                
                                                                              
OBJECT                = TEXT                                                  
  INTERCHANGE_FORMAT  = ASCII                                                 
  PUBLICATION_DATE    = 2020-03-24
  NOTE                = "Description of contents in the CATALOG               
                         subdirectory for the Venus Express SPICE Data        
                         set."                                                
END_OBJECT            = TEXT                                                  
END                                                                           
                                                                              
Content Description of the CATALOG Subdirectory                               
===============================================                               
                                                                              
  The CATALOG subdirectory of this data set contains the complete
  catalog objects associated with the Venus Express SPICE Data                
  Archive. These objects contain a high level description of                  
  the data set and are coded in the Object Description Language               
  (ODL). The CATALOG subdirectory provides high-level descriptions            
  of the Venus Express (VEX) mission, the Venus Express spacecraft
  and its science instruments, as well as the SPICE data set
  contained on this archive. A list of the catalog objects contained
  in this sub-directory and a description of each can be seen below:
                                                                              
  FILE             DESCRIPTION                                                
  ----------       --------------------------------------------------
                                                                              
  CATINFO.TXT      Contains information about the catalogs (this              
                   file)                                                      
                                                                              
  INSTHOST.CAT     Contains Venus Express spacecraft high-level               
                   description.                                               
                                                                              
  MISSION.CAT      Contains Venus Express mission description.                
                                                                              
  PERSON.CAT       Contains information about the Venus Express SPICE         
                   data set producers.                                        
                                                                              
  REF.CAT          Contains bibliographic citations for referenced            
                   works in other catalog objects.                            
                                                                              
  SPICEDS.CAT      Contains a detailed description of the SPICE               
                   data available in this data set. It provides an            
                   overview and description of the SPICE kernels              
                   and the software used to manipulate kernel data.           
                                                                              
  SPICE_INST.CAT   Contains a general description of SPICE kernels            
                   and system.                                                
                                                                              
  SOFT.CAT         Contains a top level description of the SPICE              
                   toolkit.