PDS_VERSION_ID        = PDS3                                                  
RECORD_TYPE           = STREAM                                                
SPACECRAFT_NAME       = "GIOTTO"                                              
TARGET_NAME           = "HALLEY"                                              
OBJECT                = TEXT                                                  
  INTERCHANGE_FORMAT  = ASCII                                                 
  PUBLICATION_DATE    = "UNK"                                                 
  NOTE                = "Description of contents in the CATALOG               
                         subdirectory."                                       
END_OBJECT            = TEXT                                                  
END                                                                           
                                                                              
           Content Description of the CATALOG Subdirectory                    
                                                                              
The CATALOG subdirectory on this dataset volume contains the completed        
catalog objects associated with the GRE instrument Archive. These             
objects contain a high level description about the data set and are           
coded in the Object Description Language (ODL).  Following is a list          
of the catalog objects contained in this subdirectory and a                   
description of each:                                                          
                                                                              
FILE               DESCRIPTION                                                
 ----------   -------------------------------------------------------         
                                                                              
DATASET.CAT   Contains data set information on the MOC EDR                    
              Archive.                                                        
INSTHOST.CAT  Contains instrument host information.                           
MISSION.CAT   Contains mission information.                                   
PERSON.CAT    Contains information on the personnel involved in the           
              creation of the MOC EDR Archive.                                
INST.CAT      Contains instrument information for MOC                         
REF.CAT       Contains reference information.                                 
SOFT.CAT      Empty catalogue, since there's no software provided             
              with the dataset                                                
PERSON.CAT    Contains information about the people who reformatted           
              the dataset