PDS_VERSION_ID                     = PDS3                                     
RECORD_TYPE                        = "STREAM"                                 
DATA_SET_ID                        = "IHW-C-NNSN-3-EDR-HALLEY-V2.0"       
                                                                              
^DOCUMENT                          = "REVISION-SUMMARY.ASC"                     
                                                                              
OBJECT                             = DOCUMENT                                 
   DOCUMENT_NAME                   = "SUMMARY OF MAJOR REVISIONS DESCRIBED IN ORIENTATION-TIME-SCALE-REVS.ASC"   
   PUBLICATION_DATE                = 2018-04-04 /* Label Generated */         
   DOCUMENT_TOPIC_TYPE             = "COMET HALLEY"                          
   INTERCHANGE_FORMAT              = "ASCII"                                  
   DOCUMENT_FORMAT                 = "TEXT"                                   
   DESCRIPTION                     = "
     A list of v1.0 to v2.0 changes to the data and labels as
     described in orientation-time-scale-revs.asc: 'orig line' is the
     original line display direction; 'rev line' is the revised line
     display direction; 'rev CNCA' is the revised celestial north
     clock angle; 'x-flip' is True if the data was flipped along the
     x-axis; 'CCW rotation' denotes the array rotation in the
     counter-clockwise direction based on the revised display
     directions; 'orig pixel' is the original pixel scale; 'rev pixel'
     is the revised pixel scale, or blank if there is no change; 'orig
     time' is the original image time; 'rev time' is the revised image
     time, or blank if there is no change.
"	
END_OBJECT                         = DOCUMENT                                
END