PDS_VERSION_ID = PDS3 DATA_SET_ID = "DS1-C-PEPE-2-EDR-BORRELLY-V1.0" STANDARD_DATA_PRODUCT_ID = "BINARY HOUSEKEEPING" PRODUCT_ID = "HSK01264_B" PRODUCT_TYPE = "EDR" PRODUCT_CREATION_TIME = 2003-09-24T12:00:00 RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 26 FILE_RECORDS = 48 START_TIME = 2001-264T00:08:43 STOP_TIME = 2001-264T23:39:46 SPACECRAFT_CLOCK_START_COUNT = "UNK" SPACECRAFT_CLOCK_STOP_COUNT = "UNK" INSTRUMENT_HOST_NAME = "DEEP SPACE 1" INSTRUMENT_HOST_ID = "DS1" MISSION_PHASE_NAME = "BORRELLY ENCOUNTER" TARGET_NAME = "19P/BORRELLY 1 (1904 Y2)" INSTRUMENT_NAME = "PLASMA EXPERIMENT FOR PLANETARY EXPLORATION" INSTRUMENT_ID = "PEPE" DESCRIPTION = " ASCII DS1 PEPE housekeeping data from the Borrelly flyby. The data cover the time periods between 2001-09-21T00:08 and 2001-09-21T23:39." NOTE = " An ASCII version of this file is available as HSK01264_A.TAB." ^TABLE = "HSK01264_B.DAT" OBJECT = TABLE INTERCHANGE_FORMAT = BINARY ROWS = 48 COLUMNS = 10 ROW_BYTES = 28 DESCRIPTION = " These data include information about when the ion propulsion system was in use and the locations of the Sun in the spacecraft reference frame." OBJECT = COLUMN COLUMN_NUMBER = 1 NAME = "MEASUREMENT_NUMBER" DATA_TYPE = MSB_UNSIGNED_INTEGER START_BYTE = 1 BYTES = 2 DESCRIPTION = " Measurement number from the start of day. This value only updates when the previous measurement is complete." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 2 NAME = "MEASUREMENT_START_TIME" UNIT = "SECOND" DATA_TYPE = MSB_UNSIGNED_INTEGER START_BYTE = 3 BYTES = 4 DESCRIPTION = " The spacecraft event time (UTC) of the measurement start time represented as the number of seconds after the J2000 epoch (2000-001T12:00:00.000)." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 4 NAME = "MEASUREMENT_START_SPACECRAFT_CLOCK" DATA_TYPE = MSB_UNSIGNED_INTEGER START_BYTE = 7 BYTES = 4 DESCRIPTION = " The offset time gives the start of the first integration in the collapsed data." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 5 NAME = "INTEGRATION_TIME" DATA_TYPE = MSB_UNSIGNED_INTEGER START_BYTE = 11 BYTES = 2 DESCRIPTION = " Measurement integration time per sample, multiples of 28.62 ms (legal values are 1,10, and 20)." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 6 NAME = "IPS_ON/OFF" DATA_TYPE = MSB_UNSIGNED_INTEGER START_BYTE = 13 BYTES = 2 DESCRIPTION = " 1 = ion propulsion system on, 0 = off" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 7 NAME = "IPS_LEVEL" UNIT = "MILLINEWTON" DATA_TYPE = IEEE_REAL START_BYTE = 15 BYTES = 4 DESCRIPTION = " Ion propulsion system thrust level (mN)." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 8 NAME = "RCS_SUM" UNIT = "SECOND" DATA_TYPE = IEEE_REAL START_BYTE = 19 BYTES = 4 DESCRIPTION = " RSC thruster on time (sec)." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 9 NAME = "SUN_AZIMUTH" UNIT = "DEGREE" DATA_TYPE = MSB_UNSIGNED_INTEGER START_BYTE = 23 BYTES = 2 DESCRIPTION = " Sun azimuth in spacecraft coordinates (deg)." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 10 NAME = "SUN_ELEVATION" UNIT = "DEGREE" DATA_TYPE = MSB_UNSIGNED_INTEGER START_BYTE = 25 BYTES = 2 DESCRIPTION = " Sun elevation angle (from the + Z axis) in spacecraft coordinates (deg)." END_OBJECT = COLUMN END_OBJECT = TABLE END