PDS_VERSION_ID      = PDS3
RECORD_TYPE         = STREAM

OBJECT              = TEXT
  PUBLICATION_DATE    = 2004-07-01
  NOTE                = "Description of contents of CATALOG directory"
END_OBJECT          = TEXT
END

The CATALOG directory contains mission, spacecraft (instrument host),
instrument, reference, personnel, and data set PDS catalog
objects for this archive.

Each catalog object is in ASCII, with a maximum of 72 characters per
line.  Each line is delimited with a carriage-return (ASCII 13)
line-feed (ASCII 10) pair.

     The files are:

DATASET.CAT

A description of the data set contained in the archive.  

INSTHOST.CAT

A description of the 2001 Mars Odyssey spacecraft and a very brief
overview of the NASA Deep Space Network.

INST.CAT

An overview of the Gamma Ray Spectrometer instrument suite, including
the Gamma Sensor Head, the Neutron Spectrometer (NS), and the High
Energy Neutron Detector (HEND).

MISSION.CAT

A brief description of the mission.  It includes a chronology of
events, definition of mission phases, and science objectives.

PERSON.CAT

A listing of key people involved in producing the GRS archive.

REF.CAT

A listing of references cited in these catalog files.