PDS_VERSION_ID        = PDS3
RECORD_TYPE           = STREAM
OBJECT                = TEXT
  PUBLICATION_DATE    = 2016-05-06
  NOTE                = "Description of the CATALOG directory contents for 
                         the MASCS calibrated and derived data archive 
                         volume."
END_OBJECT            = TEXT
END

This subdirectory contains the catalog object files for the entire volume. 
The following files are included in the catalog subdirectory.

CATINFO.TXT: Identifies and describes of function of each file in the
catalog directory.

UVVS_CDR_DS.CAT, VIRS_CDR_DS.CAT: Describes the general content of the 
MASCS/UVVS and MASCS/VIRS CDR datasets, and includes information about the 
duration of the mission and the person or group responsible for producing 
the data.

UVVS_DDR_DS.CAT, VIRS_DDR_DS.CAT: Describes the general content of the 
MASCS/UVVS and MASCS/VIRS DDR datasets, and includes information about the 
duration of the mission and the person or group responsible for producing 
the data.

VIRS_DAP_DS.CAT: Describes the general content of the MASCS/VIRS DAP 
dataset, and includes information about the duration of the mission and the 
person or group responsible for producing the data.

DAP_MAP.CAT: Describes the DAP dataset equirectangular map projection.

INST.CAT: Describes physical attributes of the MASCS instrument and provides 
relevant references to published literature.

INSTHOST.CAT: Describes the MESSENGER spacecraft.

MISSION.CAT: Describes the scientific goals and objectives of the MESSENGER 
program.

REF.CAT: Contains the complete citations of references mentioned in the
above catalog files, along with citations of additional documents that may 
be useful to the person using the MASCS CDR/DDR/DAP data.

PERSON.CAT: Lists and provides contact information for the people involved 
with the MASCS instrument on the MESSENGER mission.