PDS_VERSION_ID = PDS3 /* FILE FORMATS AND LENGTH */ RECORD_TYPE = STREAM RECORD_BYTES = 168 FILE_RECORDS = 261 /* PRODUCT DESCRIPTION */ DATA_SET_ID = "CO-SSA-RADAR-3-ABDR-SUMMARY-V1.0" DATA_SET_NAME = "CASSINI RADAR ALTIMETER BURST DATA RECORD SUMMARY" PRODUCER_INSTITUTION_NAME = "JET PROPULSION LABORATORY" PRODUCER_ID = JPL PRODUCER_FULL_NAME = "Inst Lead Charles Elachi contact Bryan Stiles" PRODUCT_ID = ABDR_SUMMARY_04_D195_V03 PRODUCT_VERSION_ID = 03 INSTRUMENT_HOST_NAME = "CASSINI ORBITER" INSTRUMENT_HOST_ID = CO INSTRUMENT_NAME = "CASSINI RADAR" INSTRUMENT_ID = RADAR TARGET_NAME = TITAN START_TIME = 2009-157T19:29:42.526 STOP_TIME = 2009-157T20:25:48.502 SPACECRAFT_CLOCK_START_COUNT = 1623010271 SPACECRAFT_CLOCK_STOP_COUNT = 1623013637 PRODUCT_CREATION_TIME = 2018-013T23:16:26.000 MISSION_NAME = "CASSINI-HUYGENS" SOFTWARE_VERSION_ID = "V1.0" DESCRIPTION = "CASSINI RADAR ALTIMETER BURST DATA RECORD SUMMARY FOR THE TITAN S50 PASS WITH CLOSEST APPROACH TIME 2009-157T19:59:59.929 TRIGGER TIME 2009-157T11:05:01.741 EPOCH TIME 2009-157T19:59:59.929." PROCESSING_HISTORY_TEXT = "NONE" /* POINTERS TO START RECORDS OF OBJECTS IN FILE */ ^SPREADSHEET = "ABDR_SUMMARY_04_D195_V03.CSV" /* DESCRIPTION OF OBJECTS CONTAINED IN FILE */ OBJECT = SPREADSHEET ROWS = 261 ROW_BYTES = 168 FIELDS = 17 FIELD_DELIMITER = "COMMA" OBJECT = FIELD NAME = "SAB COUNTER" DATA_TYPE = ASCII_INTEGER UNIT = "BURST" FIELD_NUMBER = 1 BYTES = 9 FORMAT = "I9" DESCRIPTION = "SAB counter for this burst" END_OBJECT = FIELD OBJECT = FIELD NAME = "TIME" DATA_TYPE = TIME UNIT = "SECOND" FIELD_NUMBER = 2 BYTES = 23 FORMAT = "A23" DESCRIPTION = "Spacecraft event time (UTC) at the beginning of this burst" END_OBJECT = FIELD OBJECT = FIELD NAME = "TIME FROM CLOSEST APPROACH" DATA_TYPE = ASCII_REAL UNIT = "SECOND" FIELD_NUMBER = 3 BYTES = 8 FORMAT = "F8.2" DESCRIPTION = "Time from closest approach" END_OBJECT = FIELD OBJECT = FIELD NAME = "RANGE TO ANTENNA BORESIGHT INTERCEPT WITH SURFACE" DATA_TYPE = ASCII_REAL UNIT = "METER" FIELD_NUMBER = 4 BYTES = 8 FORMAT = "F8.0" DESCRIPTION = "First moment of waveform; not corrected for off-nadir pointing" END_OBJECT = FIELD OBJECT = FIELD NAME = "ACTIVE CENTROID LONGITUDE" DATA_TYPE = ASCII_REAL UNIT = "DEGREE" FIELD_NUMBER = 5 BYTES = 7 FORMAT = "F7.2" DESCRIPTION = "Longitude of the active (two-way) antenna boresight" END_OBJECT = FIELD OBJECT = FIELD NAME = "ACTIVE CENTROID LATITUDE" DATA_TYPE = ASCII_REAL UNIT = "DEGREE" FIELD_NUMBER = 6 BYTES = 7 FORMAT = "F7.2" DESCRIPTION = "Latitude of the active (two-way) antenna boresight" END_OBJECT = FIELD OBJECT = FIELD NAME = "THRESHOLD SURFACE HEIGHT" DATA_TYPE = ASCII_INTEGER UNIT = "METER" FIELD_NUMBER = 7 BYTES = 8 FORMAT = "I8" DESCRIPTION = "From threshold range detection" END_OBJECT = FIELD OBJECT = FIELD NAME = "MLE SURFACE HEIGHT" DATA_TYPE = ASCII_INTEGER UNIT = "METER" FIELD_NUMBER = 8 BYTES = 8 FORMAT = "I8" DESCRIPTION = "MLE estimate of surface height" END_OBJECT = FIELD OBJECT = FIELD NAME = "FIRST MOMENT SURFACE HEIGHT" DATA_TYPE = ASCII_INTEGER UNIT = "METER" FIELD_NUMBER = 9 BYTES = 8 FORMAT = "I8" DESCRIPTION = "From first moment of waveform range (range to surface)" END_OBJECT = FIELD OBJECT = FIELD NAME = "CORRECTED FIRST MOMENT SURFACE HEIGHT" DATA_TYPE = ASCII_INTEGER UNIT = "METER" FIELD_NUMBER = 10 BYTES = 8 FORMAT = "I8" DESCRIPTION = "First moment height corrected for off-nadir angle and altitude" END_OBJECT = FIELD OBJECT = FIELD NAME = "CORRECTED THRESHOLD SURFACE HEIGHT" DATA_TYPE = ASCII_INTEGER UNIT = "METER" FIELD_NUMBER = 11 BYTES = 8 FORMAT = "I8" DESCRIPTION = "Threshold height corrected for off-nadir angle and altitude" END_OBJECT = FIELD OBJECT = FIELD NAME = "HEIGHT SPAN OF BACKSCATTER DISTRIBUTION" DATA_TYPE = ASCII_INTEGER UNIT = "METER" FIELD_NUMBER = 12 BYTES = 8 FORMAT = "I8" DESCRIPTION = "Square root of the second central moment" END_OBJECT = FIELD OBJECT = FIELD NAME = "SKEWNESS OF BACKSCATTER DISTRIBUTION" DATA_TYPE = ASCII_REAL UNIT = "NO UNIT OF MEASUREMENT DEFINED" FIELD_NUMBER = 13 BYTES = 8 FORMAT = "F8.2" DESCRIPTION = "Third central moment normalized" END_OBJECT = FIELD OBJECT = FIELD NAME = "INCIDENCE ANGLE" DATA_TYPE = ASCII_REAL UNIT = "DEGREE" FIELD_NUMBER = 14 BYTES = 8 FORMAT = "F8.3" DESCRIPTION = "The angle between the antenna look direction and the surface normal halfway between transmission and receipt of the active mode signal" END_OBJECT = FIELD OBJECT = FIELD NAME = "SIGMA0" DATA_TYPE = ASCII_REAL UNIT = "DECIBEL" FIELD_NUMBER = 15 BYTES = 8 FORMAT = "F8.2" DESCRIPTION = "Calibrated MLE amplitude estimate" END_OBJECT = FIELD OBJECT = FIELD NAME = "SNR" DATA_TYPE = ASCII_REAL UNIT = "DECIBEL" FIELD_NUMBER = 16 BYTES = 8 FORMAT = "F8.2" DESCRIPTION = "Ratio of peak to estimated noise backscatter value" END_OBJECT = FIELD OBJECT = FIELD NAME = "MLE FIT QUALITY" DATA_TYPE = ASCII_REAL UNIT = "NO UNIT OF MEASUREMENT DEFINED" FIELD_NUMBER = 17 BYTES = 8 FORMAT = "F8.2" DESCRIPTION = "Difference between data and model" END_OBJECT = FIELD END_OBJECT = SPREADSHEET END