PDS_VERSION_ID = PDS3
RECORD_TYPE = FIXED_LENGTH
RECORD_BYTES = 128
FILE_RECORDS = 6970
^TABLE = "VG1TPOC2.TAB"
DATA_SET_ID = "VG1-SSA-RSS-1-ROCC-V1.0"
PRODUCT_ID = "VG1TPOC2.TAB"
PRODUCT_TYPE = POC
INSTRUMENT_HOST_NAME = "VOYAGER 1"
INSTRUMENT_NAME = "RADIO SCIENCE SUBSYSTEM"
TARGET_NAME = TITAN
PRODUCT_CREATION_TIME = 1999-06-30T00:00:00Z
MISSION_NAME = "VOYAGER"
MISSION_PHASE_NAME = "SATURN ENCOUNTER"
ORBIT_NUMBER = "N/A"
START_TIME = 1980-11-12T06:33:44Z
STOP_TIME = 1980-11-12T08:29:52Z
OBJECT = TABLE
INTERCHANGE_FORMAT = ASCII
ROWS = 6970
COLUMNS = 8
ROW_BYTES = 128
ROW_SUFFIX_BYTES = 0
DESCRIPTION = "This table is a converted listing of
Voyager 1 POCA data from the Titan/Saturn encounter. This table provides
data from the Voyager Data file VG1TPOC1.DAT, which contains the data
stored in 228 byte records. Each record has a 28 byte header followed by
ten 20 byte lines of data. The headers have been eliminated in the
conversion, leaving only the data. The headers contained the tape number,
record number, record length, spacecraft number, source station, predict
set ID, and predict base frequency. In this file, the baseband frequency
is 41593344 Hz. The padding bits have been removed to leave 8 columns.
The data fields occupy 126 bytes; each row is delimited by an ASCII
carriage-return line-feed pair. Note: Because of buffering within
the POCA, frequencies may be one second behind the time indicated and
rates may be one or two seconds behind."
OBJECT = COLUMN
COLUMN_NUMBER = 1
NAME = "DAY"
DATA_TYPE = ASCII_INTEGER
START_BYTE = 1
BYTES = 3
FORMAT = "I3"
UNIT = "N/A"
DESCRIPTION = "The three-digit day the measurement
was taken"
END_OBJECT = COLUMN
OBJECT = COLUMN
COLUMN_NUMBER = 2
NAME = "TIME"
DATA_TYPE = ASCII_INTEGER
START_BYTE = 5
BYTES = 6
FORMAT = "I6"
UNIT = "N/A"
DESCRIPTION = "The time (in seconds) that the
measurement was taken."
END_OBJECT = COLUMN
OBJECT = COLUMN
COLUMN_NUMBER = 3
NAME = "POCA FREQUENCY (DISPLACED)"
DATA_TYPE = ASCII_REAL
START_BYTE = 12
BYTES = 21
FORMAT = "E21.13"
UNIT = "N/A"
DESCRIPTION = "The contents of the POCA frequency
registers less the base frequency."
END_OBJECT = COLUMN
OBJECT = COLUMN
COLUMN_NUMBER = 4
NAME = "POCA RAMP"
DATA_TYPE = ASCII_REAL
START_BYTE = 34
BYTES = 21
FORMAT = "E21.13"
UNIT = "N/A"
DESCRIPTION = "The rate of change for the POCA
frequency between samples (Hz/sec)."
END_OBJECT = COLUMN
OBJECT = COLUMN
COLUMN_NUMBER = 5
NAME = "SYSTEM STATUS"
DATA_TYPE = ASCII_INTEGER
START_BYTE = 56
BYTES = 5
FORMAT = "I5"
UNIT = "N/A"
DESCRIPTION = "Stores the status of the FMS and
POCA assemblies. See RSC-11-5.TXT
for a full description."
END_OBJECT = COLUMN
OBJECT = COLUMN
COLUMN_NUMBER = 6
NAME = "FREQUENCY MONITOR #1"
DATA_TYPE = ASCII_REAL
START_BYTE = 62
BYTES = 21
FORMAT = "E21.13"
UNIT = "N/A"
DESCRIPTION = "Cumulative phase in cycles."
END_OBJECT = COLUMN
OBJECT = COLUMN
COLUMN_NUMBER = 7
NAME = "FREQUENCY MONITOR #2"
DATA_TYPE = ASCII_REAL
START_BYTE = 84
BYTES = 21
FORMAT = "E21.13"
UNIT = "N/A"
DESCRIPTION = "Cumulative phase in cycles."
END_OBJECT = COLUMN
OBJECT = COLUMN
COLUMN_NUMBER = 8
NAME = "PREDICT FREQUENCY (DISPLACED)"
DATA_TYPE = ASCII_REAL
START_BYTE = 106
BYTES = 21
FORMAT = "E21.13"
UNIT = "N/A"
DESCRIPTION = "The actual predict frequency (less
the base frequency)."
END_OBJECT = COLUMN
END_OBJECT = TABLE
END
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