PDS_VERSION_ID        = PDS3
RECORD_TYPE           = STREAM
OBJECT                = TEXT
  PUBLICATION_DATE    = 2014-03-07
  NOTE                = "Description of the DOCUMENT directory contents
                         for the GRS 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, 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)

GRSEDRSIS.TXT: The GRS EDR SIS: "MESSENGER Software Interface Specification 
for the Gamma Ray Spectrometer Experiment Data Record" in ASCII text 
format. Only the text is provided; for illustrations, tables, etc. the PDF 
should be consulted.

GRSEDRSIS.PDF: The GRS EDR SIS: "MESSENGER Software Interface Specification 
for the Gamma Ray Spectrometer Experiment Data Record" in Adobe Acrobat 
format.  Note that, in contrast to the .TXT version, the illustrations, 
tables, etc. will display appropriately.

GRSEDRSIS.LBL: The detached label for the various GRS EDR SIS files.