CCSD3ZF0000100000001NJPL3IF0PDSX00000001 PDS_VERSION_ID = PDS3 OBJECT = COLUMN NAME = SFDU_AGGREGATE_HEADER START_BYTE = 1 DATA_TYPE = CHARACTER BYTES = 20 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = ER_SFDU USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "'NJPL1I00002200000220', the number '0022' is registered with the NJPL SFDU authority as the 'Emissivity Data Record'. The final '00000220' signifies that the remainder of the SFDU is 220 bytes in length." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FOOTPRINT_NUMBER START_BYTE = 21 DATA_TYPE = MSB_UNSIGNED_INTEGER BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = ER_NFOOT USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Starting from 1, the number of the Emissivity Data Record by increasing emissivity footprint time (S_C_EMISSIVITY_EPOCH), starting at 1." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SAB_NUMBER START_BYTE = 25 DATA_TYPE = MSB_UNSIGNED_INTEGER BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = ER_BURST USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The number assigned to the burst header that contains the antenna measurement (as opposed to the calibration measurement) referenced by this Stanford emissivity data record." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FLAGS START_BYTE = 29 DATA_TYPE = MSB_UNSIGNED_INTEGER BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = ER_FLAGS USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Stanford Emissivity Data Record Flag Values (see Table 5-16 of the SCVDR SIS)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = S_C_EMISSIVITY_EPOCH START_BYTE = 33 DATA_TYPE = IEEE_REAL BYTES = 8 UNIT = 'SECONDS' OBJECT = ALIAS ALIAS_NAME = ER_SCET USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The ephemeris time (seconds of TDB since J2000) at which the emissivity measurement was made." END_OBJECT = COLUMN OBJECT = COLUMN NAME = S_C_POSITION_VECTOR START_BYTE = 41 DATA_TYPE = IEEE_REAL BYTES = 4 ITEMS = 3 UNIT = 'KM' OBJECT = ALIAS ALIAS_NAME = ER_SCPOS USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The S/C position at S_C_EMISSIVITY_EPOCH, relative to the Venus center of mass, expressed in inertial coordinates." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ALTIMETER_POINTING_VECTOR START_BYTE = 53 DATA_TYPE = IEEE_REAL BYTES = 4 ITEMS = 3 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = ER_ALTA USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The altimetry antenna pointing vector at S_C_EMISSIVITY_EPOCH expressed as a unit vector in inertial coordinates." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SAR_POINTING_VECTOR START_BYTE = 65 DATA_TYPE = IEEE_REAL BYTES = 4 ITEMS = 3 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = ER_SARA USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The HGA pointing vector at S/C_EMISSIVITY_EPOCH, expressed as a unit vector in inertial coordinates." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FOOTPRINT_LATITUDE START_BYTE = 77 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'DEGREES' OBJECT = ALIAS ALIAS_NAME = ER_LAT USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The body-fixed latitude, at S_C_EMISSIVITY_EPOCH, of the boresight intercept point (obtained from the C-BIDR Processing Parameters file)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FOOTPRINT_LONGITUDE START_BYTE = 81 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'DEGREES' OBJECT = ALIAS ALIAS_NAME = ER_LON USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The body-fixed longitude, at S/C_EMISSIVITY_EPOCH, of the boresight intercept point (obtained from the C-BIDR Processing Parameters file)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = AZIMUTH_FROM_FOOTPRINT_TO_S_C START_BYTE = 85 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'DEGREES' OBJECT = ALIAS ALIAS_NAME = ER_AZIMUTH USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "At (FOOTPRINT_LATITUDE, FOOTPRINT_LONGITUDE) the spacecraft azimuth measured positive toward the east from local north." END_OBJECT = COLUMN OBJECT = COLUMN NAME = POLARIZATION START_BYTE = 89 DATA_TYPE = CHARACTER BYTES = 2 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = ER_POLN USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Horizontal received ('HH') or vertical received ('VV')." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPARE START_BYTE = 91 BYTES = 2 END_OBJECT = COLUMN OBJECT = COLUMN NAME = FOOTPRINT_PLANETARY_RADIUS START_BYTE = 93 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'KM' OBJECT = ALIAS ALIAS_NAME = ER_RADIUS USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The estimated planetary radius at the boresight intercept point (obtained from the C-BIDR Processing Parameters file)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FOOTPRINT_INCIDENCE_ANGLE START_BYTE = 97 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'DEGREES' OBJECT = ALIAS ALIAS_NAME = ER_INC USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The incidence angle at the boresight intercept point (obtained from the C-BIDR Processing Parameters file)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SAR_STATUS_FOR_PRECEDING_BURST START_BYTE = 101 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 ITEMS = 10 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = ER_SS_PREV USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The original SAB header status field from the burst preceding the Antenna Measurement, of interest because the Antenna Measurement actually occurs during this burst." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SAR_STATUS_FOR_ANTENNA_BURST START_BYTE = 111 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 ITEMS = 10 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = ER_SS_ANT USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The original SAB header status field used for the radiometry (emissivity) measurement." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SAR_STATUS_FOR_CALIBRATION_BURST START_BYTE = 121 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 ITEMS = 10 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = ER_SS_CAL USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The original SAB header status field used for the radiometry (emissivity) calibration." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TRANSMITTER_A_FLAG START_BYTE = 131 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = ER_XMTA USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "If set (1), transmitter A was active; if not set (0) transmitter B was active." END_OBJECT = COLUMN OBJECT = COLUMN NAME = RECEIVER_A_FLAG START_BYTE = 132 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = ER_RCVA USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "If set (1), receiver A was active; if not set (0), receiver B was active." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ONU_A_FLAG START_BYTE = 133 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = ER_ONUA USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "If set (1), ONU A was active; if not set (0), ONU B was active." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPARE START_BYTE = 134 BYTES = 3 END_OBJECT = COLUMN OBJECT = COLUMN NAME = CALIBRATED_RADIOMETRY_SIGNAL START_BYTE = 137 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = ER_S USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The difference between the antenna radiometry (emissivity) measurement ANT and the calibration measurement COMPENSATED_CALIB_MEASUREMENT (CALIBRATED_RADIOMETRY_SIGNAL = ANT - COMPENSATED_CALIB_MEASUREMENT), in units of radiometer counts. This value has been corrected for non-systematic radiometric effects, but has not been corrected for systematic errors." END_OBJECT = COLUMN OBJECT = COLUMN NAME = CORRECTED_RADIOMETRY_SIGNAL START_BYTE = 141 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = ER_SPRIME USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The radiometer signal after correction for systematic errors in units of radiometer counts." END_OBJECT = COLUMN OBJECT = COLUMN NAME = COMPENSATED_CALIB_MEASUREMENT START_BYTE = 145 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = ER_CAL USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The radiometer measurement when it is connected to the reference load, in units of radiometer counts. This value has been corrected for non-systematic radiometric effects." END_OBJECT = COLUMN OBJECT = COLUMN NAME = RECEIVER_PHYSICAL_TEMPERATURE START_BYTE = 149 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'K' OBJECT = ALIAS ALIAS_NAME = ER_TRCV USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The physical temperature of the SAR receiver as reported from telemetry in image Processing Parameter files." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SENSOR_INPUT_NOISE_TEMPERATURE START_BYTE = 153 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'K' OBJECT = ALIAS ALIAS_NAME = ER_TSI USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The system temperature of the sensor RF input port, obtained from the radiometry (emissivity) signal and compensated for receiver gain and temperature." END_OBJECT = COLUMN OBJECT = COLUMN NAME = CABLE_TEMPERATURE_SENSORS START_BYTE = 157 DATA_TYPE = IEEE_REAL BYTES = 4 ITEMS = 5 UNIT = 'K' OBJECT = ALIAS ALIAS_NAME = ER_TSEN USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The physical temperatures reported by five sensors along the cable between the antenna and the receiver front end." END_OBJECT = COLUMN OBJECT = COLUMN NAME = HGA_ANTENNA_NOISE_TEMPERATURE START_BYTE = 177 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'K' OBJECT = ALIAS ALIAS_NAME = ER_TANT USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The system temperature of the HGA antenna, determined from the sensor input noise temperature and the loss and physical temperature of the HGA cable." END_OBJECT = COLUMN OBJECT = COLUMN NAME = HGA_REFLECTOR_PHYSICAL_TEMP START_BYTE = 181 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'K' OBJECT = ALIAS ALIAS_NAME = ER_THGA USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "High gain antenna physical temperature obtained from engineering telemetry channel E-0100." END_OBJECT = COLUMN OBJECT = COLUMN NAME = S_BAND_FEED_PHYSICAL_TEMP START_BYTE = 185 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'K' OBJECT = ALIAS ALIAS_NAME = ER_TSFEED USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "S-Band feed physical temperature obtained from engineering telemetry channel E-0098." END_OBJECT = COLUMN OBJECT = COLUMN NAME = REFLECTED_SKY_TEMPERATURE START_BYTE = 189 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'K' OBJECT = ALIAS ALIAS_NAME = ER_TSKY USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The sky brightness in the forward scatter (specular) direction, nominally equal to COSMIC_BACKGROUND_TEMPERATURE but computed according to TSKY_COMPUTATION_METHOD." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SOLID_ANGLE_SUBTENDED_BY_VENUS START_BYTE = 193 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'RADIANS' OBJECT = ALIAS ALIAS_NAME = ER_OMEGAV USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The solid angle subtended by the Venus disk at the spacecraft." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ONE_WAY_TRANSMISSION_RAY_PATH_TO_BIP START_BYTE = 197 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = ER_ALPHA USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The one-way power transmission factor for the atmosphere between the point at (FOOTPRINT_LATITUDE, FOOTPRINT_LONGITUDE, FOOTPRINT_PLANETARY_RADIUS) and the spacecraft using the atmospheric model." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SURFACE_PHYSICAL_TEMP START_BYTE = 201 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'K' OBJECT = ALIAS ALIAS_NAME = ER_TSURF USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The physical temperature of the surface obtained from the assumed radius at the boresight intercept point (FOOTPRINT_PLANETARY_RADIUS) and the (Magellan-adopted) model for atmospheric structure." END_OBJECT = COLUMN OBJECT = COLUMN NAME = UPWELLING_ATMOSPHERIC_EMISSION_T START_BYTE = 205 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'K' OBJECT = ALIAS ALIAS_NAME = ER_TUP USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The effective temperature of the atmosphere resulting from self-emission along the ray path determined by the HGA." END_OBJECT = COLUMN OBJECT = COLUMN NAME = DOWNWELLING_ATMOSPHERIC_EMISSION_T START_BYTE = 209 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'K' OBJECT = ALIAS ALIAS_NAME = ER_TDN USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The effective temperature of the atmosphere observed at the surface along an incoming ray that, after specular reflection from the (average) spherical surface, would reach the spacecraft." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SURFACE_BRIGHTNESS_TEMP START_BYTE = 213 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'K' OBJECT = ALIAS ALIAS_NAME = ER_TB USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The brightness temperature of the Venus surface derived from the radiometry (emissivity) measurements." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SURFACE_BRIGHTNESS_TEMP_VARIANCE START_BYTE = 217 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = ER_TBV USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Variance of the derived Venus brightness temperature using the method identified by VARIANCE_ESTIMATION_COMP_METHOD." END_OBJECT = COLUMN OBJECT = COLUMN NAME = EMISSIVITY START_BYTE = 221 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = ER_EMISS USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The emissivity of the Venus surface." END_OBJECT = COLUMN OBJECT = COLUMN NAME = EMISSIVITY_VARIANCE START_BYTE = 225 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = ER_EMISSV USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Variance of the derived emissivity using the method identified by VARIANCE_ESTIMATION_COMP_METHOD." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPARE START_BYTE = 229 BYTES = 12 END_OBJECT = COLUMN END