PDS_VERSION_ID      = PDS3
RECORD_TYPE         = STREAM

OBJECT              = TEXT
  PUBLICATION_DATE  = 2009-11-02
  NOTE              = "Description of contents of CATALOG directory"
END_OBJECT          = TEXT
END

The CATALOG directory contains information about the mission, 
spacecraft (instrument host), instruments, reference, personnel, 
and data sets in this archive. These files are incorporated into
the PDS Data Set Catalog.

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(s) contained in the archive.  

MER1_MB_INST.CAT and MER2_MB_INST.CAT

Overviews of the instruments that acquired the data in the
archive.

MER1_INSTHOST.CAT and MER2_INSTHOST.CAT

Descriptions of the spacecraft (instrument host) that carried
the instruments.

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 archive.

REF.CAT

A listing of references cited in these catalog files.
