PDS_VERSION_ID = "PDS3" DATA_SET_ID = "MEX-M-MRS-5-OCC-9107-V1.0" DATA_SET_NAME = "MARS EXPRESS MARS MRS 5 OCCULTATION 9107 V1.0" RELEASE_ID = 0001 REVISION_ID = 0000 PRODUCT_TYPE = "RDR" INSTRUMENT_TYPE = "RADIO SCIENCE" ^INSTRUMENT_DESC = "MARS_DESC.TXT" TARGET_TYPE = "PLANET" OBSERVATION_TYPE = "OCCULTATION" SPACECRAFT_POINTING_MODE = "EARTH" ^SPACECRAFT_POINTING_MODE_DESC= "MEX_POINTING_MODE_DESC.TXT" INSTRUMENT_HOST_NAME = "MARS EXPRESS" INSTRUMENT_HOST_ID = "MEX" INSTRUMENT_NAME = "MARS EXPRESS ORBITER RADIO SCIENCE" INSTRUMENT_ID = "MRS" TARGET_NAME = "MARS" OBSERVATION_TYPE = "OCCULTATION" SPACECRAFT_CLOCK_START_COUNT = "N/A" SPACECRAFT_CLOCK_STOP_COUNT = "N/A" ORBIT_NUMBER = 4339 MISSION_NAME = "MARS EXPRESS" MISSION_ID = "MEX" PROCESSING_LEVEL_ID = 5 ^ION_INFO = "M15RSR0L04_IIX_071421253_60.TXT" PRODUCER_ID = "RIU_COLOGNE" PRODUCER_FULL_NAME = "MARTIN PAETZOLD, PI" PRODUCER_INSTITUTION_NAME= "RHEINISCHES INSTITUT FUER UMWELTFORSCHUNG, PLANETENFORSCHUNG" DSN_STATION_NUMBER = 15 PRODUCT_CREATION_TIME = 2019-01-10T12:38:27.464 STANDARD_DATA_PRODUCT_ID = "RSR" SOFTWARE_NAME = "MEX_IONO_PROFILES_V6.0" SOURCE_PRODUCT_ID = "M15RSR0L03_IIX_071421253_60.TAB" DESCRIPTION = "This file contains an ionospheric electron density profile derived from Mars Express single frequency radio occultation data. Raw samples of ground station receiver output were corrected for observing conditions and converted to bending angle as a function of impact parameter. These results were then inverted to refractive index as a function of radius via an Abel transform. Electron number density was obtained from refractive index using a conversion formula appropriate to the measurement frequency." OBJECT = FILE PRODUCT_ID = "M15RSR0L04_IIX_071421253_60.TAB" RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 157 FILE_RECORDS = 854 START_TIME = 2007-05-22T12:53:00.766 STOP_TIME = 2007-05-22T13:07:34.238 ^ION_TABLE = "M15RSR0L04_IIX_071421253_60.TAB" OBJECT = ION_TABLE NAME = ION_DATA INTERCHANGE_FORMAT = ASCII ROWS = 854 COLUMNS = 13 ROW_BYTES = 157 OBJECT = COLUMN COLUMN_NUMBER = 1 NAME = "SAMPLE NUMBER" DATA_TYPE = ASCII_INTEGER START_BYTE = 1 BYTES = 5 UNIT = "N/A" FORMAT = "I5" DESCRIPTION = "The number of this row in the table, starting from 1 in the first row." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 2 NAME = "UTC TIME" DATA_TYPE = TIME START_BYTE = 8 BYTES = 23 UNIT = "N/A" FORMAT = "A23" DESCRIPTION = "The UTC receiver date and time of this measurement (in Earth received time), in the format CCYY-MM-DDTHH:MM:SS.sss." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 3 NAME = "EPHEMERIS SECONDS" DATA_TYPE = ASCII_REAL START_BYTE = 33 BYTES = 16 UNIT = "SECOND" FORMAT = "F16.6" DESCRIPTION = "Seconds from 12h 1 January 2000 TDB corresponding to UTC TIME (column 2); includes leap seconds." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 4 NAME = "RADIUS" DATA_TYPE = ASCII_REAL START_BYTE = 51 BYTES = 9 UNIT = "KILOMETER" FORMAT = "F9.3" DESCRIPTION = "Measurement radius with respect to the center of mass of the planet." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 5 NAME = "GEOPOTENTIAL HEIGHT" DATA_TYPE = ASCII_REAL START_BYTE = 62 BYTES = 9 UNIT = "KILOMETER" FORMAT = "F9.3" DESCRIPTION = "Geopotential height." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 6 NAME = "LATITUDE" DATA_TYPE = ASCII_REAL START_BYTE = 73 BYTES = 7 UNIT = "DEGREE" FORMAT = "F7.3" DESCRIPTION = "Aerocentric (north) latitude of measurement in body fixed coordinates." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 7 NAME = "LONGITUDE" DATA_TYPE = ASCII_REAL START_BYTE = 82 BYTES = 7 UNIT = "DEGREE" FORMAT = "F7.3" DESCRIPTION = "Aerocentric (east) longitude of measurement in body fixed coordinates." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 8 NAME = "REFRACTIVITY" DATA_TYPE = ASCII_REAL START_BYTE = 91 BYTES = 11 UNIT = "N/A" FORMAT = "F11.6" DESCRIPTION = "Refractivity of the atmosphere." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 9 NAME = "SIGNAL LEVEL" DATA_TYPE = ASCII_REAL START_BYTE = 104 BYTES = 10 UNIT = "DECIBEL" FORMAT = "F10.5" DESCRIPTION = "Signal intensity in decibels (dB) relative to an arbitrary reference." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 10 NAME = "ELECTRON NUMBER DENSITY" DATA_TYPE = ASCII_REAL START_BYTE = 116 BYTES = 11 UNIT = "10^6 PER CUBIC METER" FORMAT = "F11.2" DESCRIPTION = "Electron number density of the ionosphere at RADIUS, LATITUDE, LONGITUDE." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 11 NAME = "NOISE LEVEL ELECTRON NUMBER DENSITY" DATA_TYPE = ASCII_REAL START_BYTE = 129 BYTES = 11 UNIT = "10^6 PER CUBIC METER" FORMAT = "F11.2" DESCRIPTION = "Noise level of ELECTRON NUMBER DENSITY." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 12 NAME = "SOLAR ZENITH ANGLE" DATA_TYPE = ASCII_REAL START_BYTE = 142 BYTES = 7 UNIT = "DEGREE" FORMAT = "F7.2" DESCRIPTION = "Solar zenith angle at ray periapsis at RADIUS, LATITUDE, LONGITUDE." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 13 NAME = "FRESNEL RADIUS" DATA_TYPE = ASCII_REAL START_BYTE = 151 BYTES = 5 UNIT = "KILOMETER" FORMAT = "F5.2" DESCRIPTION = "Fresnel radius at ray periapsis at RADIUS, LATITUDE, LONGITUDE." END_OBJECT = COLUMN END_OBJECT = ION_TABLE END_OBJECT = FILE END calculated using the highest upper boundary condition for TEMPERATURE. Values of boundary conditions are listed in *.TXT-file" END_OBJECT = COLUMN OBJECT = COLUMN NAME = "SIGMA PRESSURE (UPPER BOUNDARY CONDITION)" COLUMN_NUMBER = 14 DATA_TYPE = ASCII_REAL START_BYTE = 153 BYTES = 7 FORMAT = "F7.3" UNIT = "PASCAL" DESCRIPTION = "One standard deviation uncertainty in PRESSURE (UPPER BOUNDARY CONDITION)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "TEMPERATURE (LOWER BOUNDARY CONDITION)" COLUMN_NUMBER = 15 DATA_TYPE = ASCII_REAL START_BYTE = 162 BYTES = 7 FORMAT = "F7.3" UNIT = "KELVIN" DESCRIPTION = "Atmospheric temperature at RADIUS calculated using the lowest upper boundary condition for TEMPERATURE. Values of boundary conditions are listed in *.TXT-file" END_OBJECT = COLUMN OBJECT = COLUMN NAME = "SIGMA TEMPERATURE (LOWER BOUNDARY CONDITION)" COLUMN_NUMBER = 16 DATA_TYPE = ASCII_REAL START_BYTE = 171 BYTES = 6 FORMAT = "F6.3" UNIT = "KELVIN" DESCRIPTION = "One standard deviation uncertainty in TEMPERATURE (LOWER BOUNDARY CONDITION)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "TEMPERATURE (MEDIUM BOUNDARY CONDITION)" COLUMN_NUMBER = 17 DATA_TYPE = ASCII_REAL START_BYTE = 179 BYTES = 7 FORMAT = "F7.3" UNIT = "KELVIN" DESCRIPTION = "Atmospheric temperature at RADIUS calculated using the medium upper boundary condition for TEMPERATURE. Values of boundary conditions are listed in *.TXT-file" END_OBJECT = COLUMN OBJECT = COLUMN NAME = "SIGMA TEMPERATURE (MEDIUM BOUNDARY CONDITION)" COLUMN_NUMBER = 18 DATA_TYPE = ASCII_REAL START_BYTE = 188 BYTES = 6 FORMAT = "F6.3" UNIT = "KELVIN" DESCRIPTION = "One standard deviation uncertainty in TEMPERATURE (MEDIUM BOUNDARY CONDITION)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "TEMPERATURE (UPPER BOUNDARY CONDITION)" COLUMN_NUMBER = 19 DATA_TYPE = ASCII_REAL START_BYTE = 196 BYTES = 7 FORMAT = "F7.3" UNIT = "KELVIN" DESCRIPTION = "Atmospheric temperature at RADIUS calculated using the highest upper boundary condition for TEMPERATURE. Values of boundary conditions are listed in *.TXT-file" END_OBJECT = COLUMN OBJECT = COLUMN NAME = "SIGMA TEMPERATURE (UPPER BOUNDARY CONDITION)" COLUMN_NUMBER = 20 DATA_TYPE = ASCII_REAL START_BYTE = 205 BYTES = 6 FORMAT = "F6.3" UNIT = "KELVIN" DESCRIPTION = "One standard deviation uncertainty in TEMPERATURE (UPPER BOUNDARY CONDITION)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "NUMBER DENSITY" COLUMN_NUMBER = 21 DATA_TYPE = ASCII_REAL START_BYTE = 213 BYTES = 11 FORMAT = "E11.5" UNIT = "1 PER CUBIC METER" DESCRIPTION = "Molecular number density of the atmosphere at RADIUS." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "SIGMA NUMBER DENSITY" COLUMN_NUMBER = 22 DATA_TYPE = ASCII_REAL START_BYTE = 226 BYTES = 8 FORMAT = "E8.2" UNIT = "1 PER CUBIC METER" DESCRIPTION = "One standard deviation uncertainty in NUMBER DENSITY." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "RAYPARAMETER" COLUMN_NUMBER = 23 DATA_TYPE = ASCII_REAL START_BYTE = 236 BYTES = 10 FORMAT = "F10.3" UNIT = "KILOMETER" DESCRIPTION = "Distance of the ray asymptotes to th The value is defined as the distance between the ray asymptote and the center of planet." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "BENDING ANGLE" COLUMN_NUMBER = 24 DATA_TYPE = ASCII_REAL START_BYTE = 248 BYTES = 13 FORMAT = "F13.6" UNIT = "MICRORADIAN" DESCRIPTION = "Total bending angle measured as the angle between the ray asymptotes of the radio ray link." END_OBJECT = COLUMN OBJECT = COLUMN NAME = "SIGNAL LEVEL" COLUMN_NUMBER = 25 DATA_TYPE = ASCII_REAL START_BYTE = 263 BYTES = 5 FORMAT = "F5.1" UNIT = "DECIBEL RELATIVE TO ONE MILLIWATT" DESCRIPTION = "Signal level from AGC in decibels relative to one milliwatt (dBm). For open loop this value is set to -999.9" END_OBJECT = COLUMN OBJECT = COLUMN NAME = "FRESNEL RADIUS" COLUMN_NUMBER = 26 DATA_TYPE = ASCII_REAL START_BYTE = 270 BYTES = 5 FORMAT = "F5.2" UNIT = "KILOMETER" DESCRIPTION = "Fresnel radius, defined as SQRT(lambda*D) with the wavelength lambda and the spacecraft-to-limb-distance D." END_OBJECT = COLUMN END_OBJECT = ATM_TABLE END_OBJECT = FILE END