CCSD3ZF0000100000001NJPL3IF0PDS200000001 = SFDU_LABEL /* File Format and Length */ PDS_VERSION_ID = PDS3 RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 50 FILE_RECORDS = 176 DATA_SET_ID = "GIO-C-DID-3-RDR-HALLEY-V1.0" TARGET_NAME = "HALLEY" OBSERVATION_ID = "089005" OBSERVATION_TIME = 1986-03-13T23:31:12.000Z START_TIME = "UNK" /* Record Pointer to Object */ ^TABLE = "DID00005.TAB" /* Description of Object in File */ OBJECT = TABLE ROWS = 176 ROW_BYTES = 50 INTERCHANGE_FORMAT = ASCII NOTE = "Created by FITS2PDS" DESCRIPTION = "REAR SHIELD MOMENTUM SENSOR DID5 MASS THRESHOLDS: QUOTED FLUXES ARE CUMULATIVE (FOR ALL MASSES > THRESHOLD B) DUE TO POOR ACOUSTIC TRANSMISSION OF THE KEVLAR REAR SHIELD, THE EFFECTIVE AREAS AND MASS THRESHOLDS FOR CHANNELS 2 AND 3 ARE POORLY DEFINED. DATA HAVE BEEN COMBINED TO ONE CHANNEL WITH THRESHOLD AT THE PENETRATION MASS. B) EFFECTIVE THRESHOLD C) MOST PROBABLE MASS FOR DIFFERENTIAL DATA CHANNEL B C 1 3.0E-9 9.0E-9 (KG) EFFECTIVE AREA OF SENSOR APPROXIMATELY 0.2M**2 PROCESSING FLAGS RELATE TO PRODUCTION OF COUNTS FROM ORIGINAL MERGED DATA TAPES. DUE TO LOSS OF TELEMETRY CERTAIN DIDSY DATA BLOCKS WERE INCOMPLETE. FLAGS INDICATE PROCESSING TO EXTRACT THE USEFUL DATA FROM THESE BLOCKS. EACH OF FIVE FLAGS ARE SET TO * IF: 1) INCOMPLETE DATA BLOCK 2) NON-CONSECUTIVE BLOCK NUMBER IN DATA TRAIN 3) BLOCK TIMING INCONSISTENT 4) FRAME COUNT INCONSISTENT 5) UNUSUAL FORMAT NUMBER IN FRAME INDICATING TELEMETRY BREAK A NULL VALUE FOR COUNTS OR FLUX OR ERROR IS INDICATED BY -9" COLUMNS = 8 OBJECT = COLUMN NAME = "HR" DESCRIPTION = "GROUND RECEIVED TIME" DATA_TYPE = ASCII_INTEGER BYTES = 2 UNIT = "HOUR" START_BYTE = 1 FORMAT = I2 END_OBJECT OBJECT = COLUMN NAME = "MIN" DESCRIPTION = "GROUND RECEIVED TIME" DATA_TYPE = ASCII_INTEGER BYTES = 2 UNIT = "MIN" START_BYTE = 4 FORMAT = I2 END_OBJECT OBJECT = COLUMN NAME = "SEC" DESCRIPTION = "GROUND RECEIVED TIME" DATA_TYPE = ASCII_REAL BYTES = 4 UNIT = "SEC" START_BYTE = 7 FORMAT = "F4.1" END_OBJECT OBJECT = COLUMN NAME = "DISTANCE" DESCRIPTION = "COMETOCENTRIC" DATA_TYPE = ASCII_INTEGER BYTES = 6 UNIT = "KM" START_BYTE = 12 FORMAT = I6 END_OBJECT OBJECT = COLUMN NAME = "FLAGS" DATA_TYPE = CHARACTER BYTES = 5 START_BYTE = 19 FORMAT = A5 END_OBJECT OBJECT = COLUMN NAME = "RSM_COUNTS" DATA_TYPE = ASCII_REAL BYTES = 9 START_BYTE = 25 FORMAT = "E9.3" END_OBJECT OBJECT = COLUMN NAME = "RSM_FLUX" DATA_TYPE = ASCII_REAL BYTES = 9 UNIT = "M**-2*SEC**-1" START_BYTE = 35 FORMAT = "E9.3" END_OBJECT OBJECT = COLUMN NAME = "ERROR" DATA_TYPE = ASCII_INTEGER BYTES = 3 UNIT = "PERCENT" START_BYTE = 45 FORMAT = I3 END_OBJECT END_OBJECT = TABLE END