PDS_VERSION_ID      = PDS3
RECORD_TYPE         = STREAM

OBJECT              = TEXT
  PUBLICATION_DATE  = 2012-07-09
  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 descriptions for 
the MSL SAM RDR archive.

The descriptions are in text files with names ending in CAT. They are 
called catalog files because they are written in a keyword = value format
that enables them to be loaded into the PDS online catalog for searching.  
They may be read in a text editor. 

The files are:

SAMRDRL0_DS.CAT

  A description of the SAM Level 0 data set, containing raw ADC values or 
  counts unpacked from the telemetry stream and verified for data integrity.

SAMRDRL1A_DS.CAT

  A description of the SAM Level 1A data set, containing data converted 
  from raw ADC values or counts to science units.

SAMRDRL1B_DS.CAT

  A description of the SAM Level 1B data set, containing data corrected for
  various instrument parameters.
  
SAMRDRL2_DS.CAT

  A description of the SAM Level 2 data set, containing results of data
  interpretation by the SAM science team.

SAM_INST.CAT

  An overview of the SAM instrument.

SAM_REF.CAT

  A listing of references cited in the above SAM catalog files, along
  with other references that may be of interest.

MSL_INSTHOST.CAT

  A description of the Mars Science Laboratory rover.

MSL_MISSION.CAT

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

MSL_REF.CAT

  A listing of references cited in MSL_MISSION.CAT and MSL_INSTHOST.CAT.

PERSON.CAT

  Contact information for personnel associated with the SAM RDR archive.