PDS_VERSION_ID = PDS3 RECORD_TYPE = "FIXED_LENGTH" RECORD_BYTES = 80 OBJECT = TEXT PUBLICATION_DATE = 2007-10-31 NOTE = "INDEX directory contents" END_OBJECT = TEXT END INDEX Directory Contents The INDEX directory includes an ASCII index table that identifies the location of a each data file in this volume. All fields in the table are separated by commas, and character fields enclosed in double quotation marks to allow the table to be easily imported into spreadsheet programs. INDEX.TAB - Index table with one entry for each data file on this volume. INDEX.LBL - PDS detached label for INDEX.TAB. CHECKSUM.TAB - MD5 checksum for this volume, excluding CHECKSUM.TAB and CHECKSUM.LBL CHECKSUM.LBL - PDS detached label for CHECKSUM.TAB