PDS_VERSION_ID                = PDS3                                          
RECORD_TYPE                   = STREAM                                        
OBJECT                        = TEXT                                          
  PUBLICATION_DATE            = 2006-07-05                                    
  NOTE                        = "Description of the INDEX                     
     directory contents for this NEAR MAG archive volume."                    
END_OBJECT                    = TEXT                                          
END                                                                           
                                                                              
                INDEX Directory Contents                                      
                                                                              
     The INDEX directory contains tabular index files, accompanied by         
detached PDS labels, for the data products on this volume.                    
It also contains cumulative index tables if this volume is a member           
of a multi-volume dataset.  The cumulative index table is for products        
on this volume and on other NEAR MAG archive volumes. The                     
following files are found in this directory.                                  
                                                                              
INDXINFO.TXT  - The file you are reading.                                     
                                                                              
INDEX.TAB     - Index table for data files on this volume only.               
INDEX.LBL     - PDS label for INDEX.TAB.                                      
CUMINDEX.TAB* - Cumulative index table for data files on this volume          
                and on previous MAG archive volumes in the sequence.          
CUMINDEX.LBL* - PDS label for CUMINDEX.TAB.                                   
                                                                              
MANIFEST.TAB   - A table of all the files on the volume.                      
MANIFEST.LBL   - PDS label for MANIFEST.TAB.                                  
CUMMANIF.TAB*  - A cumulative version of MANIFEST.TAB for this volume         
                 and previous volumes in the sequence.                        
CUMMANIF.LBL*  - PDS label for CUMMANIF.TAB.                                  
                                                                              
CHECKSUM.TXT - A list of MD5 checksums for all files in this volume.          
CHECKSUM.LBL - A detached PDS label for CHECKSUM.TXT.                         
                                                                              
(*) = This file is only present on this volume if it is one of a              
      multi-volume dataset (for example, NMEROS_2001, NMEROS_2002,            
      and NMEROS_2003).                                                       
                                                                              
                                                                              
                Notes on Using the Index Tables                               
                                                                              
     An index table contains one row (record) for each data product           
it describes. The table is formatted so that it can be read directly          
into many data management systems.  All fields are separated by commas,       
and character fields are enclosed in double quotation marks (").              
Character fields are left justified, and numeric fields are right             
justified.  Each record ends with ASCII carriage return and line feed         
characters.  This allows the table to be treated as a fixed length            
record file on computers that support this file type and as a normal          
text file on other computers.                                                 
                                                                              
     The file with extension ".LBL" and the same name as an index             
table is a PDS label file that describes the content and structure of         
the fields in the index table. This description includes the name of          
each field, its format, and a brief definition.