PDS_VERSION_ID = PDS3 RECORD_TYPE = STREAM OBJECT = TEXT PUBLICATION_DATE = 2016-10-31 INTERCHANGE_FORMAT = ASCII NOTE = "Description of the CATALOG directory contents for the New Horizons SDC post-launch checkout data archive." END_OBJECT = TEXT END CATALOG Directory Contents The CATALOG directory contains high-level catalog objects for the New Horizons Student Dust Counter post-launch checkout data archive. These catalog objects are often updated as more precise information becomes available. For the latest versions of these files, please consult the Planetary Data System Data Set Catalog available on the PDS web site at: http://pds.jpl.nasa.gov/ followed by entering appropriate search terms - e.g. new horizons data set catalog - into any visible search box and initiating a search. The following files are found in this directory, listed in decreasing order of importance. The first four, describing the New Horizons mission, the New Horizons spacecraft, the Student Dust Counter instrument, and this data set are the most important. NH.CAT - This file describes the New Horizons mission. - High-level catalog object for the New Horizons mission. NHSC.CAT - This file describes the New Horizons spacecraft. - High-level catalog object for the New Horizons spacecraft. SDC.CAT - This file describes the Student Dust Counter instrument. - High-level catalog object for the Student Dust Counter instrument on the New Horizons spacecraft. DATASET.CAT - This file describes this data set. - High-level catalog object for the New Horizons Student Dust Counter post-launch checkout data set. CATINFO.TXT - The file you are now reading. REF.CAT - Bibliographic citations for reference works cited in other catalog objects.