CCSD3ZF0000100000001NJPL3IF0PDSX00000001 PDS_VERSION_ID = PDS3 /* */ /* File Characteristics */ /* */ RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 48 FILE_RECORDS = 7171 HARDWARE_MODEL_ID = "IBM 360" /* */ /* Data Object Pointers */ /* */ ^PULSE_TIME_HEADER_TABLE = ("PT1355.DAT", 1) ^TIME_SERIES = ("PT1355.DAT", 2) /* */ /* Identification Keywords */ /* */ DATA_SET_ID = "PVO-V-POS-6-SEDR-ORBITATTITUDE--V1.0" PRODUCT_ID = "PT1355.DAT" PRODUCT_CREATION_TIME = 1982-09-01T00:00:00.000Z DATA_LINES = 7170 SPACECRAFT_NAME = "PIONEER VENUS ORBITER" EARTH_RECEIVED_TIME = UNK ORBIT_NUMBER = 1355 START_TIME = 1982-08-21T12:39:00.000Z STOP_TIME = 1982-08-22T15:59:00.000Z MISSION_PHASE_NAME = "VENUS ORBITAL OPERATIONS" TARGET_NAME = VENUS /******************************************************************************/ /* Data Object Structure */ /******************************************************************************/ /* */ /* REC */ /* --------------------------------------------------- */ /* 1 | HEADER Record (format = PTHDR.FMT) | */ /* --------------------------------------------------- */ /* 2 | TIME_SERIES records (format = PTDATA.FMT) | */ /* --------------------------------------------------- */ /* | . | */ /* | . | */ /* | . | */ /* | | */ /* --------------------------------------------------- */ /* 7171 | last TIME_SERIES record = 7170 | */ /* --------------------------------------------------- */ /******************************************************************************/ /* Data Object Descriptions */ /******************************************************************************/ OBJECT = PULSE_TIME_HEADER_TABLE INTERCHANGE_FORMAT = BINARY ROWS = 1 COLUMNS = 15 ROW_BYTES = 48 DESCRIPTION = " The header record contains information about the file and its structure as it was originally written to SEDR tape. The header record describes the type of data, block and record sizes, spacecraft id orbit number, and a file identifier." ^STRUCTURE = "PTHDR.FMT" END_OBJECT = PULSE_TIME_HEADER_TABLE OBJECT = TIME_SERIES NAME = PULSE_TIME_DATA_TABLE INTERCHANGE_FORMAT = BINARY ROWS = 7170 COLUMNS = 15 ROW_BYTES = 48 SAMPLING_PARAMETER_NAME = TIME SAMPLING_PARAMETER_UNIT = SECOND SAMPLING_PARAMETER_INTERVAL = 12 DESCRIPTION = " This time_series consists of 7170 records or rows of spacecraft thruster firings or 'pulse time' data for orbit number 1355. Each records consists of a series of various time tags (Fs pulse, RIP pulse, RAM pulse, and NADIR pulse) as well as the type of synchronization used for the pulse." ^STRUCTURE = "PTDATA.FMT" END_OBJECT = TIME_SERIES END