PDS_VERSION_ID = PDS3 RECORD_TYPE = FIXED_LENGTH FILE_RECORDS = 47361 RECORD_BYTES = 167 ^TABLE = "HIGH_WIND_SUMMARY.TAB" DATA_SET_ID = "VL2-M-SEIS-5-RDR-V1.0" PRODUCT_ID = "HIGH_WIND_SUMMARY" PRODUCT_CREATION_TIME = 2016-12-12T00:00:00 SPACECRAFT_NAME = "VIKING LANDER 2" INSTRUMENT_NAME = "VIKING LANDER 2 SEISMOLOGY EXPERIMENT" TARGET_NAME = "MARS" START_TIME = 1976-09-04T00:53:01 STOP_TIME = 1978-03-16T23:35:35 SPACECRAFT_CLOCK_START_COUNT = "N/A" SPACECRAFT_CLOCK_STOP_COUNT = "N/A" OBJECT = TABLE INTERCHANGE_FORMAT = ASCII ROWS = 47361 ROW_BYTES = 167 COLUMNS = 24 DESCRIPTION = "This file is a summary of the Viking Seismometer Data High Rate records, intended as a high-level index to events of interest, and for large-scale correlation with meteorological data. For details see VPDS_HIGH_WINDS_FORMAT.TXT in the DOCUMENT directory. Time is Local Lander Time." OBJECT = COLUMN COLUMN_NUMBER = 1 NAME = ARCHIVED_RECORD_NUMBER DATA_TYPE = ASCII_INTEGER START_BYTE = 1 BYTES = 7 DESCRIPTION = "An ordinal number indicating the record in the present file and in the corresponding archive files (VPDS_HIGH_XDAT.CSV etc.). Note that those files only carry the records with 51 readings, hence there are fewer records in the archive file than in the present summary." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 2 NAME = SEISMIC_TIME_SOLS DATA_TYPE = ASCII_REAL START_BYTE = 8 BYTES = 12 DESCRIPTION = "The mission time in decimal Sols (i.e. sol+(hr*3600.0+min*60.0+sec)/88775.0)." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 3 NAME = ORIGINAL_FILE_NUMBER DATA_TYPE = ASCII_INTEGER START_BYTE = 20 BYTES = 6 DESCRIPTION = "The file number of the original data (i.e. file number 0101 corresponds to VUSA.0101)." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 4 NAME = ORIGINAL_RECORD_NUMBER DATA_TYPE = ASCII_INTEGER START_BYTE = 26 BYTES = 7 DESCRIPTION = "The line number in the original VUSA file to which the present record corresponds." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 5 NAME = DATA_ACQUISITION_SOL DATA_TYPE = ASCII_INTEGER START_BYTE = 33 BYTES = 4 DESCRIPTION = "The sol number on which the data were acquired. Landing day is sol 0." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 6 NAME = DATA_ACQUISITION_HOUR DATA_TYPE = ASCII_INTEGER START_BYTE = 37 BYTES = 4 DESCRIPTION = "The hour of acquisition end." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 7 NAME = DATA_ACQUISITION_MINUTE DATA_TYPE = ASCII_INTEGER START_BYTE = 41 BYTES = 4 DESCRIPTION = "The minute of acquisition end." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 8 NAME = DATA_ACQUISITION_SECOND DATA_TYPE = ASCII_INTEGER START_BYTE = 45 BYTES = 4 DESCRIPTION = "The second of acquisition end. Note that high rate data are acquired at 20.2 Hz, thus the 83-sample record corresponds to about 4 seconds." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 9 NAME = MEAN_X_AXIS DATA_TYPE = ASCII_REAL START_BYTE = 49 BYTES = 9 DESCRIPTION = "The mean of the X-axis readings. 1 digital unit (DU) corresponds roughly to 2nm at 3Hz (see seismic_dataset.cat)." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 10 NAME = VARIANCE_X_AXIS DATA_TYPE = ASCII_REAL START_BYTE = 58 BYTES = 9 DESCRIPTION = "The variance of the X-axis readings." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 11 NAME = SKEW_X_AXIS DATA_TYPE = ASCII_REAL START_BYTE = 67 BYTES = 9 INVALID_CONSTANT = -99.99 DESCRIPTION = "The skew of the X-axis readings, or -99.99 if undefined." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 12 NAME = KURTOSIS_X_AXIS DATA_TYPE = ASCII_REAL START_BYTE = 76 BYTES = 9 INVALID_CONSTANT = -99.99 DESCRIPTION = "The kurtosis of the X-axis readings, or -99.99 if undefined." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 13 NAME = MINIMUM_X_AXIS DATA_TYPE = ASCII_INTEGER START_BYTE = 85 BYTES = 5 DESCRIPTION = "The minimum X-axis reading in the record." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 14 NAME = MAXIMUM_X_INTEGER DATA_TYPE = ASCII_REAL START_BYTE = 90 BYTES = 5 DESCRIPTION = "The maximum X-axis reading in the record." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 15 NAME = MINIMUM_Y_AXIS DATA_TYPE = ASCII_INTEGER START_BYTE = 95 BYTES = 5 DESCRIPTION = "The minimum Y-axis reading in the record." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 16 NAME = MAXIMUM_Y_AXIS DATA_TYPE = ASCII_INTEGER START_BYTE = 100 BYTES = 5 DESCRIPTION = "The maximum Y-axis reading in the record." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 17 NAME = MINIMUM_Z_AXIS DATA_TYPE = ASCII_INTEGER START_BYTE = 105 BYTES = 5 DESCRIPTION = "The minimum Z-axis reading in the record." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 18 NAME = MAXIMUM_Z_AXIS DATA_TYPE = ASCII_INTEGER START_BYTE = 110 BYTES = 5 DESCRIPTION = "The maximum Z-axis reading in the record." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 19 NAME = METEO_TIME_SOLS DATA_TYPE = ASCII_REAL START_BYTE = 115 BYTES = 12 DESCRIPTION = "The mission time in decimal Sols (i.e. sol+(hr*3600.0+min*60.0+sec)/88775.2) corresponding to the closest meteorology data." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 20 NAME = NEAREST_WINDSPEED DATA_TYPE = ASCII_REAL START_BYTE = 127 BYTES = 7 UNIT = "m/s" DESCRIPTION = "Closest windspeed measurement(m/s)." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 21 NAME = NEAREST_PRESSURE DATA_TYPE = ASCII_REAL START_BYTE = 134 BYTES = 7 UNIT = "mbar" DESCRIPTION = "Closest pressure (mbar)." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 22 NAME = NEAREST_WIND_DIRECTION DATA_TYPE = ASCII_REAL START_BYTE = 141 BYTES = 8 UNIT = "deg" DESCRIPTION = "Closest wind direction (towards which the wind is blowing, degrees clockwise from North." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 23 NAME = NEAREST_AIR_TEMPERATURE DATA_TYPE = ASCII_REAL START_BYTE = 149 BYTES = 8 UNIT = "K" DESCRIPTION = "Closest air temperature (K). Note that this value has not been screened for possible lander thermal contamination (see Hess et al. 1977)." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 24 NAME = WIND_SEISMIC_INTERVAL DATA_TYPE = ASCII_INTEGER START_BYTE = 157 BYTES = 9 UNIT = "second" DESCRIPTION = "Time in seconds between closest wind measurement and the end of the seismic record (for the first and last sol of the file, this value should be ignored). Positive means seismic data obtained after meteorology" END_OBJECT = COLUMN END_OBJECT = TABLE END