PDS_VERSION_ID = PDS3 RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 302 FILE_RECORDS = 11863 ^INDEX_TABLE = "INDEX.TAB" INSTRUMENT_HOST_NAME = "MESSENGER" INSTRUMENT_NAME = "MERCURY LASER ALTIMETER" START_TIME = 2004-08-19T17:09:06 STOP_TIME = 2015-04-30T11:23:21 PRODUCT_CREATION_TIME = 2015-05-27T11:22:13 OBJECT = INDEX_TABLE INDEX_TYPE = SINGLE INTERCHANGE_FORMAT = ASCII ROWS = 11863 ROW_BYTES = 302 COLUMNS = 14 DESCRIPTION = " This table contains the volume index of all data files on this volume. Since this data set contains multiple observations per file, this basic, file oriented index does not contain values that characterize each observation. Each record of this index consists of comma delimited data columns folowed by an ASCII carriage-return and line-feed. The row bytes value includes not only the lengths of the values themselves, but also any quotes, the commas, and the row terminating characters (carriage-return,line-feed)." OBJECT = COLUMN NAME = VOLUME_ID COLUMN_NUMBER = 1 START_BYTE = 2 BYTES = 12 DATA_TYPE = CHARACTER DESCRIPTION = "The PDS VOLUME_ID: MESSMLA_0001" END_OBJECT = COLUMN OBJECT = COLUMN NAME = FILE_SPECIFICATION_NAME COLUMN_NUMBER = 2 START_BYTE = 17 BYTES = 55 DATA_TYPE = CHARACTER DESCRIPTION = "Fully qualified name of the data file, relative to the volume root directory" END_OBJECT = COLUMN /* Note that the file specification orginates at the root, so no */ /* logical volume path name is included. */ OBJECT = COLUMN NAME = MISSION_PHASE_NAME COLUMN_NUMBER = 3 START_BYTE = 75 BYTES = 20 DATA_TYPE = CHARACTER DESCRIPTION = "The mission phase during which the observations were obtained." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TARGET_NAME COLUMN_NUMBER = 4 START_BYTE = 98 BYTES = 20 DATA_TYPE = CHARACTER DESCRIPTION = "The target observed." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PRODUCT_ID COLUMN_NUMBER = 5 START_BYTE = 121 BYTES = 20 DATA_TYPE = CHARACTER DESCRIPTION = "PRODUCT_ID from the PDS label" END_OBJECT = COLUMN OBJECT = COLUMN NAME = PRODUCT_VERSION_ID COLUMN_NUMBER = 6 START_BYTE = 144 BYTES = 3 DATA_TYPE = CHARACTER DESCRIPTION = "PRODUCT_VERSION_ID from the PDS label" END_OBJECT = COLUMN OBJECT = COLUMN NAME = PRODUCT_CREATION_TIME COLUMN_NUMBER = 7 START_BYTE = 149 BYTES = 19 DATA_TYPE = TIME DESCRIPTION = "Creation time from the PDS label" END_OBJECT = COLUMN OBJECT = COLUMN NAME = DATA_SET_ID COLUMN_NUMBER = 8 START_BYTE = 170 BYTES = 33 DATA_TYPE = CHARACTER DESCRIPTION = "DATA_SET_ID from the PDS label." END_OBJECT = COLUMN OBJECT = COLUMN NAME = STANDARD_DATA_PRODUCT_ID COLUMN_NUMBER = 9 START_BYTE = 206 BYTES = 14 DATA_TYPE = CHARACTER DESCRIPTION = "STANDARD_DATA_PRODUCT_ID from the PDS label. Identifies the data product in the volume archive." END_OBJECT = COLUMN OBJECT = COLUMN NAME = START_TIME COLUMN_NUMBER = 10 START_BYTE = 222 BYTES = 19 DATA_TYPE = TIME DESCRIPTION = "The UTC START_TIME value from the PDS label" END_OBJECT = COLUMN OBJECT = COLUMN NAME = STOP_TIME COLUMN_NUMBER = 11 START_BYTE = 242 BYTES = 19 DATA_TYPE = TIME DESCRIPTION = "The UTC STOP_TIME value from the PDS label" END_OBJECT = COLUMN OBJECT = COLUMN NAME = START_MET_PARTITION COLUMN_NUMBER = 12 START_BYTE = 262 BYTES = 3 DATA_TYPE = ASCII_INTEGER DESCRIPTION = "The MET partition (roll-over count) associated with the SPACECRAFT_CLOCK_START_COUNT value (column 11). This value is incremented by 1 for every instance where MET values have been reset." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPACECRAFT_CLOCK_START_COUNT COLUMN_NUMBER = 13 START_BYTE = 267 BYTES = 15 DATA_TYPE = CHARACTER DESCRIPTION = "The SPACECRAFT_CLOCK_START_COUNT value from the PDS label. This is the MET of the first observation in the data file" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPACECRAFT_CLOCK_STOP_COUNT COLUMN_NUMBER = 14 START_BYTE = 285 BYTES = 15 DATA_TYPE = CHARACTER DESCRIPTION = "The SPACECRAFT_CLOCK_STOP_COUNT value from the PDS label. This is the MET of the last observation in the data file" END_OBJECT = COLUMN END_OBJECT = INDEX_TABLE END