PDS_VERSION_ID = PDS3 RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 82 FILE_RECORDS = 3207 ^FILE_HEADER = ("MROMAGR2017_341_0407X55MV1.DLF",1) ^ONEWAY_HEADER = ("MROMAGR2017_341_0407X55MV1.DLF",22) ^ONEWAY_TABLE = ("MROMAGR2017_341_0407X55MV1.DLF",25) ^TWOWAY_HEADER = ("MROMAGR2017_341_0407X55MV1.DLF",761) ^TWOWAY_TABLE = ("MROMAGR2017_341_0407X55MV1.DLF",764) ^EXCITER_HEADER = ("MROMAGR2017_341_0407X55MV1.DLF",1743) ^EXCITER_TABLE = ("MROMAGR2017_341_0407X55MV1.DLF",1746) ^TWOWAY_RANGING_HEADER= ("MROMAGR2017_341_0407X55MV1.DLF",2467) ^TWOWAY_RANGING_TABLE = ("MROMAGR2017_341_0407X55MV1.DLF",2470) INSTRUMENT_HOST_NAME = "MARS RECONNAISSANCE ORBITER" TARGET_NAME = "MARS" INSTRUMENT_NAME = "RADIO SCIENCE SUBSYSTEM" DATA_SET_ID = "MRO-M-RSS-1-MAGR-V1.0" DSN_STATION_NUMBER = 55 BAND_NAME = "X" PRODUCT_ID = "MROMAGR2017_341_0407X55MV1.DLF" ORIGINAL_PRODUCT_ID = "074550341-410008-8303393.dlf" PRODUCT_RELEASE_DATE = 2009-06-08 DESCRIPTION = "This file contains frequency and range predictions for radio science observations. It is a Downlink Equipment Monitor (DEM) file with Radio Metric Predictions (RMP). One subset of the file, the Downlink Frequency (DLF) file, is used to tune a Radio Science Receiver (RSR). The DEM is documented in 'NASA/JPL Deep Space Mission Systems (DSMS) document 820-016, Subsystem Software Interface Specification D-10, 0319-DEM-SPS Downlink Equipment Monitor (DEM) and Service Preparation Subsystem (SPS) Interface'. For this archive, there have been minor changes to the file format (fixed-length records, delimited by ASCII carriage-return line-feed pairs) compared to the original." START_TIME = 2017-341T04:07:35 STOP_TIME = 2017-341T13:52:09 PRODUCT_CREATION_TIME = 2017-336T03:21:31 PRODUCER_ID = "DSN" OBJECT = FILE_HEADER BYTES = 1640 RECORDS = 20 HEADER_TYPE = "TEXT" INTERCHANGE_FORMAT= ASCII DESCRIPTION = " The Radio Metric Predictions file header consists of a variable number of ASCII records, identified by an ASCII asterisk '*' in line position 1. The first line begins with '** RMT_PRDX'. This is followed by the spacecraft identifier (S/C=nnn), DSN antenna number (DSSnn), start time (START=yy/ddd hh:mm:ss), end time (END=hh:mm:ss), and a predict field label. These typically begin in positions 15, 24, 31, 54, and 68, respectively, on the first line. The second line begins with '*1'. This is followed by the file creation time (CREATED=yy/ddd hh:mm:ss), MOD_NSS=yy/ddd hh:mm:ss, and NO_DSS_MODIFICATION, starting typically at line positions 4, 29, and 54, respectively, on the second line. The (optional) third line begins with '*2', which is followed by the pass number (PASS=nnnn), starting in line position 4. Subsequent lines of the form *3 keyword=value , keyword=value ... contain information of possible interest. The Downlink Tracking and Telemetry (DTT) subsystem requires the following keywords: TFREQ = sky frequency reference value UPLINK_BAND = uplink frequency band (e.g., 'X') DOWNLINK_BAND = downlink frequency band (e.g., 'X') Header comments begin with '*#' in line positions 1-2. In-line comments begin with '#'. The file header ends with a line which begins '*@ END OF HEADER'." END_OBJECT = FILE_HEADER OBJECT = ONEWAY_FREQUENCY_HEADER BYTES = 82 RECORDS = 1 HEADER_TYPE = "TEXT" INTERCHANGE_FORMAT = ASCII DESCRIPTION = " Radio Metric Predictions subheaders separate subsets of data within a Radio Metric Predictions file. This is a Downlink Frequency subheader to be followed by one-way frequency predictions. Downlink Frequency subheaders begin with '*F' in line positions 1-2. This is followed by 'S-BAND', 'X-BAND', or 'Ka-BAND', typically beginning in line position 4. Next on the line is '1-WAY'. The start and end times of the data which follow are given in the format START=yy/ddd hh:mm:ss and END=yy/ddd hh:mm:ss, starting typically at line positions 21 and 43, respectively. " END_OBJECT = ONEWAY_FREQUENCY_HEADER OBJECT = ONEWAY_FREQUENCY_TABLE ROWS = 735 COLUMNS = 6 ROW_BYTES = 82 INTERCHANGE_FORMAT = ASCII DESCRIPTION = "This table contains predictions of one-way sky frequency at discrete times and Everett polynomial coefficients for interpolating among them. The Everett polynomial coefficients are used as follows. If successive rows in the table have entries ti fi d2i d3i d4i d5i tj fj d2j d3j d4j d5j where ti is the i-th time, fi is the i-th sky frequency, and d2i through d5i are the i-th set of Everett polynomial coefficients, then the predicted frequency f at time t is f = (1-p)*fi + ev2(1-p)*d2i + ev4(1-p)*d4i + p*fj + ev2(p)*d3i + ev4(p)*d5i where ti <= t <= tj p = (t-ti)/(tj-ti) ev2(x) = x*(x*x-1)/6 and ev4(x) = x*(x*x-1)*(x*x-4)/120 " OBJECT = COLUMN NAME = "START TIME" COLUMN_NUMBER = 1 DATA_TYPE = TIME START_BYTE = 1 BYTES = 12 FORMAT = "N/A" UNIT = "N/A" DESCRIPTION = "The Earth Receive Time at which the one-way sky frequency prediction is valid. START_TIME is represented in the hh:mm:ss.sss format." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "SKY FREQUENCY" COLUMN_NUMBER = 2 DATA_TYPE = ASCII_REAL START_BYTE = 13 BYTES = 18 FORMAT = "F18.4" UNIT = "HERTZ" DESCRIPTION = "The predicted one-way sky frequency at START TIME, obtained by applying the predicted one-way Doppler shift to TREF in the FILE_HEADER." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "D2 COEFFICIENT" COLUMN_NUMBER = 3 DATA_TYPE = ASCII_REAL START_BYTE = 31 BYTES = 13 FORMAT = "F13.3" UNIT = "N/A" DESCRIPTION = "The D2 Everett polynomial coefficient for the interval beginning at START TIME. For the last row in the table, there will be no value." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "D3 COEFFICIENT" COLUMN_NUMBER = 4 DATA_TYPE = ASCII_REAL START_BYTE = 44 BYTES = 13 FORMAT = "F13.3" UNIT = "N/A" DESCRIPTION = "The D3 Everett polynomial coefficient for the interval beginning at START TIME. For the last row in the table, there will be no value." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "D4 COEFFICIENT" COLUMN_NUMBER = 5 DATA_TYPE = ASCII_REAL START_BYTE = 57 BYTES = 12 FORMAT = "F12.2" UNIT = "N/A" DESCRIPTION = "The D4 Everett polynomial coefficient for the interval beginning at START TIME. For the last row in the table, there will be no value." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "D5 COEFFICIENT" COLUMN_NUMBER = 6 DATA_TYPE = ASCII_REAL START_BYTE = 69 BYTES = 12 FORMAT = "F12.2" UNIT = "N/A" DESCRIPTION = "The D5 Everett polynomial coefficient for the interval beginning at START TIME. For the last row in the table, there will be no value." END_OBJECT = COLUMN END_OBJECT = ONEWAY_FREQUENCY_TABLE OBJECT = TWOWAY_FREQUENCY_HEADER BYTES = 82 RECORDS = 1 HEADER_TYPE = "TEXT" INTERCHANGE_FORMAT = ASCII DESCRIPTION = " Radio Metric Predictions subheaders separate subsets of data within a Radio Metric Predictions file. This is a Downlink Frequency subheader to be followed by two-way frequency predictions. Downlink Frequency subheaders begin with '*F' in line positions 1-2. This is followed by 'S-BAND', 'X-BAND', or 'Ka-BAND', typically beginning in line position 4. Next on the line is '2-WAY'. The start and end times of the data which follow are given in the format START=yy/ddd hh:mm:ss and END=yy/ddd hh:mm:ss, starting typically at line positions 21 and 43, respectively. " END_OBJECT = TWOWAY_FREQUENCY_HEADER OBJECT = TWOWAY_FREQUENCY_TABLE ROWS = 978 COLUMNS = 6 ROW_BYTES = 82 INTERCHANGE_FORMAT = ASCII DESCRIPTION = "This table contains predictions of two-way sky frequency at discrete times and Everett polynomial coefficients for interpolating among them. The Everett polynomial coefficients are used as follows. If successive rows in the table have entries ti fi d2i d3i d4i d5i tj fj d2j d3j d4j d5j where ti is the i-th time, fi is the i-th sky frequency, and d2i through d5i are the i-th set of Everett polynomial coefficients, then the predicted frequency f at time t is f = (1-p)*fi + ev2(1-p)*d2i + ev4(1-p)*d4i + p*fj + ev2(p)*d3i + ev4(p)*d5i where ti <= t <= tj p = (t-ti)/(tj-ti) ev2(x) = x*(x*x-1)/6 and ev4(x) = x*(x*x-1)*(x*x-4)/120 " OBJECT = COLUMN NAME = "START TIME" COLUMN_NUMBER = 1 DATA_TYPE = TIME START_BYTE = 1 BYTES = 12 FORMAT = "N/A" UNIT = "N/A" DESCRIPTION = "The Earth Receive Time at which the two-way sky frequency prediction is valid. START_TIME is represented in the hh:mm:ss.sss format." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "SKY FREQUENCY" COLUMN_NUMBER = 2 DATA_TYPE = ASCII_REAL START_BYTE = 13 BYTES = 18 FORMAT = "F18.4" UNIT = "HERTZ" DESCRIPTION = "The predicted two-way sky frequency at START TIME." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "D2 COEFFICIENT" COLUMN_NUMBER = 3 DATA_TYPE = ASCII_REAL START_BYTE = 31 BYTES = 13 FORMAT = "F13.3" UNIT = "N/A" DESCRIPTION = "The D2 Everett polynomial coefficient for the interval beginning at START TIME. For the last row in the table, there will be no value." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "D3 COEFFICIENT" COLUMN_NUMBER = 4 DATA_TYPE = ASCII_REAL START_BYTE = 44 BYTES = 13 FORMAT = "F13.3" UNIT = "N/A" DESCRIPTION = "The D3 Everett polynomial coefficient for the interval beginning at START TIME. For the last row in the table, there will be no value." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "D4 COEFFICIENT" COLUMN_NUMBER = 5 DATA_TYPE = ASCII_REAL START_BYTE = 57 BYTES = 12 FORMAT = "F12.2" UNIT = "N/A" DESCRIPTION = "The D4 Everett polynomial coefficient for the interval beginning at START TIME. For the last row in the table, there will be no value." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "D5 COEFFICIENT" COLUMN_NUMBER = 6 DATA_TYPE = ASCII_REAL START_BYTE = 69 BYTES = 12 FORMAT = "F12.2" UNIT = "N/A" DESCRIPTION = "The D5 Everett polynomial coefficient for the interval beginning at START TIME. For the last row in the table, there will be no value." END_OBJECT = COLUMN END_OBJECT = TWOWAY_FREQUENCY_TABLE OBJECT = EXCITER_FREQUENCY_HEADER BYTES = 82 RECORDS = 1 HEADER_TYPE = "TEXT" INTERCHANGE_FORMAT = ASCII DESCRIPTION = " Radio Metric Predictions subheaders separate subsets of data within a Radio Metric Predictions file. This is an Exciter Frequency subheader to be followed by exciter frequency predictions. Exciter frequency subheaders begin with '*X' in line positions 1-2, followed by 'XA'. The start and end times of the data which follow are given in the format START=yy/ddd hh:mm:ss and END=yy/ddd hh:mm:ss, starting typically at line positions 21 and 43, respectively. " END_OBJECT = EXCITER_FREQUENCY_HEADER OBJECT = EXCITER_FREQUENCY_TABLE ROWS = 720 COLUMNS = 6 ROW_BYTES = 82 INTERCHANGE_FORMAT = ASCII DESCRIPTION = "This table contains predictions of exciter frequency needed at discrete times to achieve the best lock by the spacecraft on the uplink and Everett polynomial coefficients for interpolating among them. The Everett polynomial coefficients are used as follows. If successive rows in the table have entries ti fi d2i d3i d4i d5i tj fj d2j d3j d4j d5j where ti is the i-th time, fi is the i-th sky frequency, and d2i through d5i are the i-th set of Everett polynomial coefficients, then the predicted frequency f at time t is f = (1-p)*fi + ev2(1-p)*d2i + ev4(1-p)*d4i + p*fj + ev2(p)*d3i + ev4(p)*d5i where ti <= t <= tj p = (t-ti)/(tj-ti) ev2(x) = x*(x*x-1)/6 and ev4(x) = x*(x*x-1)*(x*x-4)/120 " OBJECT = COLUMN NAME = "START TIME" COLUMN_NUMBER = 1 DATA_TYPE = TIME START_BYTE = 1 BYTES = 12 FORMAT = "N/A" UNIT = "N/A" DESCRIPTION = "The Earth Receive Time at which the predicted exciter frequency is valid. START_TIME is represented in the hh:mm:ss.sss format." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "EXCITER FREQUENCY" COLUMN_NUMBER = 2 DATA_TYPE = ASCII_REAL START_BYTE = 13 BYTES = 18 FORMAT = "F18.6" UNIT = "HERTZ" DESCRIPTION = "The predicted exciter frequency at START_TIME needed to achieve best lock by the spacecraft on the uplink." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "D2 COEFFICIENT" COLUMN_NUMBER = 3 DATA_TYPE = ASCII_REAL START_BYTE = 31 BYTES = 13 FORMAT = "F13.5" UNIT = "N/A" DESCRIPTION = "The D2 Everett polynomial coefficient for the interval beginning at START TIME. For the last row in the table, there will be no value." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "D3 COEFFICIENT" COLUMN_NUMBER = 4 DATA_TYPE = ASCII_REAL START_BYTE = 44 BYTES = 13 FORMAT = "F13.4" UNIT = "N/A" DESCRIPTION = "The D3 Everett polynomial coefficient for the interval beginning at START TIME. For the last row in the table, there will be no value." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "D4 COEFFICIENT" COLUMN_NUMBER = 5 DATA_TYPE = ASCII_REAL START_BYTE = 57 BYTES = 12 FORMAT = "F12.4" UNIT = "N/A" DESCRIPTION = "The D4 Everett polynomial coefficient for the interval beginning at START TIME. For the last row in the table, there will be no value." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "D5 COEFFICIENT" COLUMN_NUMBER = 6 DATA_TYPE = ASCII_REAL START_BYTE = 69 BYTES = 12 FORMAT = "F12.4" UNIT = "N/A" DESCRIPTION = "The D5 Everett polynomial coefficient for the interval beginning at START TIME. For the last row in the table, there will be no value." END_OBJECT = COLUMN END_OBJECT = EXCITER_FREQUENCY_TABLE OBJECT = TWOWAY_RANGE_HEADER BYTES = 82 RECORDS = 1 HEADER_TYPE = "TEXT" INTERCHANGE_FORMAT = ASCII DESCRIPTION = " Radio Metric Predictions subheaders separate subsets of data within a Radio Metric Predictions file. This is a two-way Range subheader to be followed by two-way range predictions. Range subheaders begin with '*R' in line positions 1-2, followed by '2-WAY'. The start and end times of the data which follow are given in the format START=yy/ddd hh:mm:ss and END=yy/ddd hh:mm:ss, starting typically at line positions 21 and 43, respectively. " END_OBJECT = TWOWAY_RANGE_HEADER OBJECT = TWOWAY_RANGE_TABLE ROWS = 735 COLUMNS = 6 ROW_BYTES = 82 INTERCHANGE_FORMAT = ASCII DESCRIPTION = "This table contains predictions of two-way range at discrete times expressed as round-trip time delay in nanoseconds. The time delay indicates how long ago the signal currently being received was transmitted. The table also contains Everett polynomial coefficients for interpolating among the time delays. The Everett polynomial coefficients are used as follows. If successive rows in the table have entries ti Di d2i d3i d4i d5i tj Dj d2j d3j d4j d5j where ti is the i-th time, Di is the i-th time delay, and d2i through d5i are the i-th set of Everett polynomial coefficients, then the predicted time delay D at time t is D = (1-p)*Di + ev2(1-p)*d2i + ev4(1-p)*d4i + p*Dj + ev2(p)*d3i + ev4(p)*d5i where ti <= t <= tj p = (t-ti)/(tj-ti) ev2(x) = x*(x*x-1)/6 and ev4(x) = x*(x*x-1)*(x*x-4)/120 " OBJECT = COLUMN NAME = "START TIME" COLUMN_NUMBER = 1 DATA_TYPE = TIME START_BYTE = 1 BYTES = 12 FORMAT = "N/A" UNIT = "N/A" DESCRIPTION = "The Earth Receive Time at which the predicted time delay is valid. START_TIME is represented in the hh:mm:ss.sss format." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "TWO-WAY RANGE" COLUMN_NUMBER = 2 DATA_TYPE = ASCII_REAL START_BYTE = 13 BYTES = 18 FORMAT = "F19.2" UNIT = "NANOSECOND" DESCRIPTION = "The predicted two-way range at START_TIME expressed in nanoseconds. The number of nanoseconds earlier when the signal received at START TIME was transmitted." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "D2 COEFFICIENT" COLUMN_NUMBER = 3 DATA_TYPE = ASCII_REAL START_BYTE = 31 BYTES = 13 FORMAT = "F12.1" UNIT = "N/A" DESCRIPTION = "The D2 Everett polynomial coefficient for the interval beginning at START TIME. For the last row in the table, there will be no value." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "D3 COEFFICIENT" COLUMN_NUMBER = 4 DATA_TYPE = ASCII_REAL START_BYTE = 44 BYTES = 13 FORMAT = "F12.1" UNIT = "N/A" DESCRIPTION = "The D3 Everett polynomial coefficient for the interval beginning at START TIME. For the last row in the table, there will be no value." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "D4 COEFFICIENT" COLUMN_NUMBER = 5 DATA_TYPE = ASCII_REAL START_BYTE = 57 BYTES = 12 FORMAT = "F10.0" UNIT = "N/A" DESCRIPTION = "The D4 Everett polynomial coefficient for the interval beginning at START TIME. For the last row in the table, there will be no value." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "D5 COEFFICIENT" COLUMN_NUMBER = 6 DATA_TYPE = ASCII_REAL START_BYTE = 69 BYTES = 12 FORMAT = "F11.0" UNIT = "N/A" DESCRIPTION = "The D5 Everett polynomial coefficient for the interval beginning at START TIME. For the last row in the table, there will be no value." END_OBJECT = COLUMN END_OBJECT = TWOWAY_RANGE_TABLE END