PDS_VERSION_ID        = PDS3                                                  
RECORD_TYPE           = STREAM                                                
OBJECT                = TEXT                                                  
  PUBLICATION_DATE    = 2012-03-08                                            
  NOTE                = "Description of the DOCUMENT directory contents       
                         for the NS uncalibrated data archive volume."        
END_OBJECT            = TEXT                                                  
END                                                                           
                                                                              
The DOCUMENT directory contains documentation that is considered to be        
either necessary or useful for users to understand the archive data set.      
Documents may be included in multiple forms (ASCII, PDF, MS Word, HTML        
with image file pointers, etc.). Included are the following documents.        
                                                                              
DOCINFO.TXT: Identifies and describes the function of each file in the        
DOCUMENT directory. (This File)                                               
                                                                              
NSEDRSIS.TXT:  The NS EDR SIS: "MESSENGER Software Interface Specification    
For The Neutron Spectrometer Experimental Data Records" in ASCII text 
format. Only the text is provided; for illustrations, tables, etc. one of 
the other formats should be consulted.                                     
                                                                              
NSEDRSIS.PDF:  The NS EDR SIS: "MESSENGER Software Interface Specification    
For The Neutron Spectrometer Experimental Data Records" in Adobe Acrobat 
format.  Note that, in contrast to the .TXT version, the illustrations, 
tables, etc. will display appropriately.                       
                                                                              
NSEDRSIS.LBL: The detached label for the various NS EDR SIS files.