PDS_VERSION_ID = PDS3 LABEL_REVISION_NOTE = " Mar 1999 M. Sykes Updated for V2.0 delivery " /* File Characteristics */ RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 81 FILE_RECORDS = 92 /* Data Object Pointers */ ^TABLE = "galdstat.tab" /* Identification Keywords */ DATA_SET_NAME = "GALILEO DUST DETECTION SYSTEM V2.0" DATA_SET_ID = "GO-D-GDDS-5-DUST-V2.0" PRODUCT_ID = "GALD-GALDSTAT-199903" PRODUCT_NAME = "Galileo DDS Status Table" SPACECRAFT_NAME = "GALILEO ORBITER" INSTRUMENT_NAME = "GALILEO DUST DETECTION SYSTEM" TARGET_NAME = DUST START_TIME = 1989-10-18T16:52 STOP_TIME = 1995-12-28T11:00 PRODUCT_CREATION_TIME = 1998-11-06 RECORD_FORMAT = "(a14,2x,3(a1,1x),1x,4(a1,1x),2x,a1,2x, a1,2x,a41)" /* Data Object Descriptions */ OBJECT = TABLE INTERCHANGE_FORMAT = ASCII ROWS = 92 COLUMNS = 11 ROW_BYTES = 81 DESCRIPTION = "Galileo mission and dust detector configuration, tests and other events. See Gruen et al. (1995b) and Krueger et al. (1999b) for more details. NOTE: In the current (1998) release, this file extends only through the end of 1995 while the event and impact data extend through the end of 1997. " OBJECT = COLUMN COLUMN_NUMBER = 1 NAME = "EVENT TIME" DESCRIPTION = "Event time given in year, day of year, hours and minutes in the general form: yyyy-dddThh:mm." DATA_TYPE = "TIME" START_BYTE = 1 BYTES = 14 FORMAT = "A14" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 2 NAME = "CHANNELTRON EVENT FLAG" DESCRIPTION = "A flag denoting that an event may be defined by a channeltron signal, in which case the flag is set to 1, otherwise it is set to 0." DATA_TYPE = "CHARACTER" START_BYTE = 17 BYTES = 1 FORMAT = A1 MISSING_CONSTANT = "X" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 3 NAME = "ION EVENT FLAG" DESCRIPTION = "A flag denoting that an event may be defined by an ion signal, in which case the flag is set to 1, otherwise it is set to 0." DATA_TYPE = "CHARACTER" START_BYTE = 19 BYTES = 1 FORMAT = A1 MISSING_CONSTANT = "X" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 4 NAME = "ELECTRON EVENT FLAG" DESCRIPTION = "A flag denoting that an event may be defined by an electron signal, in which case the flag is set to 1, otherwise it is set to 0." DATA_TYPE = "CHARACTER" START_BYTE = 21 BYTES = 1 FORMAT = A1 MISSING_CONSTANT = "X" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 5 NAME = "ION COLLECTOR THRESHOLD" DESCRIPTION = "Code (ICP) corresponding to the threshold set for the positive ion charge impulse(Q_I) at the time of impact. ICP|Q_I (Coulomb) ---+---------------- 0 | 1.0E-14 1 | 2.6E-14 2 | 5.8E-14 3 | 1.5E-13 " DATA_TYPE = "CHARACTER" START_BYTE = 24 BYTES = 1 FORMAT = A1 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 6 NAME = "ELECTRON COLLECTOR THRESHOLD" DESCRIPTION = "Code (ECP) corresponding to the threshold set for the electron charge impulse (Q_E) arising from an impact. ECP|Q_E (Coulomb) ---+---------------- 0 | -9.8E-15 1 | -2.4E-14 2 | -5.5E-14 3 | -1.4E-13 " DATA_TYPE = "CHARACTER" START_BYTE = 26 BYTES = 1 FORMAT = A1 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 7 NAME = "CHANNELTRON THRESHOLD" DESCRIPTION = "Code (CCP) corresponding to the threshold set for the channeltron charge (Q_C) impulse arising from an impact. CCP|Q_C (Coulomb) ---+---------------- 0 | -1.8E-13 1 | -2.4E-13 2 | -5.2E-13 3 | -1.2E-12 " DATA_TYPE = "CHARACTER" START_BYTE = 28 BYTES = 1 FORMAT = A1 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 8 NAME = "ENTRANCE GRID THRESHOLD" DESCRIPTION = "Code (PCP) corresponding to the threshold set for the entrance grid charge impulse (Q_P) at the time of impact separately for positively and negatively charged particles. PCP|Q_P (positive) (Coulomb)|Q_P (negative) (Coulomb) ---+------------------------+------------------------ 0 | 9.4E-15 | -1.8E-14 1 | 2.3E-14 | -3.8E-14 2 | 5.0E-13 | -7.3E-14 3 | 1.2E-13 | -1.5E-13 " DATA_TYPE = "CHARACTER" START_BYTE = 30 BYTES = 1 FORMAT = A1 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 9 NAME = "CHANNELTRON VOLTAGE LEVEL" DESCRIPTION = "Code (HV) corresponding to the channeltron high voltage level(HV) set at the time of impact with integers representing fixed voltage differences. See Channeltron Voltage Level, Confidence Level Note, in gald.cat. HV|Voltage(Volts) --+------- X| OFF 0| 200 1| 900 2| 1020 3| 1140 4| 1250 " DATA_TYPE = "CHARACTER" START_BYTE = 33 BYTES = 1 FORMAT = A1 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 10 NAME = "TIME ERROR FLAG" DESCRIPTION = "Flag indicating the time error to be assigned to each impact. FLAG | TIME ERROR ----------------- S | 2/3 SEC L | 66 MIN (before 1990-176, inclusive) L | 259 MIN (after 1990-176) " DATA_TYPE = "CHARACTER" START_BYTE = 36 BYTES = 1 FORMAT = A1 MISSING_CONSTANT = "X" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 11 NAME = "DDS STATUS NOTE" DESCRIPTION = "Note concerning DDS or Galileo spacecraft status." DATA_TYPE = "CHARACTER" START_BYTE = 39 BYTES = 41 FORMAT = A41 END_OBJECT = COLUMN END_OBJECT = TABLE END