PDS_VERSION_ID      = PDS3                                                    
RECORD_TYPE         = STREAM                                                  
                                                                              
OBJECT     = TEXT                                                             
  PUBLICATION_DATE = 2009-04-15                                               
  NOTE             = "Description of the LABEL directory                      
                      contents for MESSENGER archive volumes"                 
END_OBJECT = TEXT                                                             
END                                                                           
                                                                              
The LABEL directory contains the following format files. These format files   
describe the Table objects which store the XRS EDR data.                      
                                                                              
XCOLUMN.FMT: This format file describes the Binary Table object which stores  
the data reported by the XRS.                                                 
                                                                              
XRS_CMDECHO.FMT: This format file describes the table object which stores a   
record of commands sent to the instrument during the observing period.