PDS_VERSION_ID                = PDS3
RECORD_TYPE                   = STREAM
OBJECT                        = TEXT
  PUBLICATION_DATE            = 2017-05-12
  NOTE                        = "Description of the CALIBRATION
     directory contents for the MESSENGER MASCS PDS Archive"
END_OBJECT                    = TEXT
END


                   CALIBRATION Directory Contents

The CALIBRATION directory contains a look up table for calibration. Included 
are the following documents.

CALINFO.TXT: The file you are reading.

UVVS_GRATING_OFFSET.TAB - Time tag table of UVVS grating offsets. A grating 
offset correction was implemented for PDS Release 16. This table is a record 
of the time periods relevant to and the magnitudes (in grating steps) of the 
offsets.

UVVS_GRATING_OFFSET.LBL - Detached PDS label for UVVS_GRATING_OFFSET.TAB.