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 = NR_SFDU USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "'NJPL1I0000060000nnnn', the number '0006' is registered with the NJPL SFDU authority as the 'Altimetry Inversion Data Record'. 'nnnn' is the length in bytes of the remainder of the SFDU, which can vary from record to record." 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 = NR_NFOOT USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Starting from 1, the number of the Altimetry Inversion Record in increasing order of Altimetry Footprint Time (FOOTPRINT_TIME)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = BURST_NUMBER START_BYTE = 25 DATA_TYPE = MSB_UNSIGNED_INTEGER BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NR_BURST USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The logical record number from the ALT-EDR burst SFDU most closely associated with this footprint. If the number of bursts averaged (NUMBER_OF_BURSTS_AVERAGE) is odd, the middle burst; if NUMBER_OF_BURSTS_AVERAGED is even, the earlier of the two middle bursts." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FLAG_FIELDS START_BYTE = 29 DATA_TYPE = MSB_UNSIGNED_INTEGER BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NR_FLAGS USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Stanford Altimetry Inversion Record Flag Values (see Table 5-5a of the SCVDR SIS)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FOOTPRINT_TIME START_BYTE = 33 DATA_TYPE = IEEE_REAL BYTES = 8 UNIT = 'SECONDS' OBJECT = ALIAS ALIAS_NAME = NR_SCET USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The burst start time (seconds of TDB since J2000; see Section 1.5.4.2 of the SCVDR SIS) for the burst given by BURST_NUMBER." END_OBJECT = COLUMN OBJECT = COLUMN NAME = GROSS_DOPPLER_SHIFT START_BYTE = 41 DATA_TYPE = IEEE_REAL BYTES = 8 UNIT = 'HZ' OBJECT = ALIAS ALIAS_NAME = NR_GDOPP USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The Doppler shift resulting from motion of the spacecraft toward nadir at FOOTPRINT_TIME (GROSS_DOPPLER_SHIFT > 0 means the spacecraft altitude is decreasing)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPACECRAFT_POSITION_VECTOR START_BYTE = 49 DATA_TYPE = IEEE_REAL BYTES = 8 ITEMS = 3 UNIT = 'KM' OBJECT = ALIAS ALIAS_NAME = NR_SCPOS USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The spacecraft position at FOOTPRINT_TIME, relative to the Venus center of mass, expressed in inertial coordinates." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPACECRAFT_VELOCITY_VECTOR START_BYTE = 73 DATA_TYPE = IEEE_REAL BYTES = 8 ITEMS = 3 UNIT = 'KM/SECOND' OBJECT = ALIAS ALIAS_NAME = NR_SCVEL USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The spacecraft velocity at FOOTPRINT_TIME, relative to the Venus center of mass, expressed in inertial coordinates." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SUB_SPACECRAFT_POSITION_VECTOR START_BYTE = 97 DATA_TYPE = IEEE_REAL BYTES = 8 ITEMS = 3 UNIT = 'KM' OBJECT = ALIAS ALIAS_NAME = NR_SSPOS USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The position of the nadir point (on a reference sphere of 6051 km radius) at FOOTPRINT_TIME, relative to the Venus center of mass, expressed in inertial coordinates." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ALTIMETRY_ANTENNA_BORESIGHT_VECTOR START_BYTE = 121 DATA_TYPE = IEEE_REAL BYTES = 8 ITEMS = 3 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NR_ALTA USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Unit vector along the axis of the altimetry antenna at FOOTPRINT_TIME, expressed in inertial coordinates." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SAR_ANTENNA_BORESIGHT_VECTOR START_BYTE = 145 DATA_TYPE = IEEE_REAL BYTES = 8 ITEMS = 3 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NR_SARA USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Unit vector along the axis of the high-gain (SAR) antenna at FOOTPRINT_TIME, expressed in inertial coordinates." END_OBJECT = COLUMN OBJECT = COLUMN NAME = BIN_0_ROUND_TRIP_TIME START_BYTE = 169 DATA_TYPE = IEEE_REAL BYTES = 8 UNIT = 'SECONDS' OBJECT = ALIAS ALIAS_NAME = NR_RT0 USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The round-trip light time corresponding to the first range bin (before peak detection and rotation) in the averaged altimetry echo at FOOTPRINT_TIME." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INCREMENTAL_ROUND_TRIP_TIME START_BYTE = 177 DATA_TYPE = IEEE_REAL BYTES = 8 UNIT = 'SECONDS' OBJECT = ALIAS ALIAS_NAME = NR_RPK USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The position of the echo peak with respect to the range bin used in BIN_0_ROUND_TRIP_TIME (each range bin represents an additional 0.442 microseconds of round-trip delay beyond BIN_0_ROUND_TRIP_TIME)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = LATITUDE_OF_NADIR START_BYTE = 185 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'DEGREES' OBJECT = ALIAS ALIAS_NAME = NR_LAT USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The body-fixed latitude of the nadir at FOOTPRINT_TIME, in the range of -90 (South Pole) to +90 (North Pole); the nominal latitude of the footprint." END_OBJECT = COLUMN OBJECT = COLUMN NAME = LONGITUDE_OF_NADIR START_BYTE = 189 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'DEGREES' OBJECT = ALIAS ALIAS_NAME = NR_LON USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The body-fixed longitude of the nadir at FOOTPRINT_TIME, in the range of 0-360. Periapsis nadir increases in longitude by about 1.48 degrees per day (about 0.2 degrees per orbit); the nominal footprint longitude." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ALONG_TRACK_ALTIMETRY_FOOTPRINT START_BYTE = 193 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'KM' OBJECT = ALIAS ALIAS_NAME = NR_XFOOT USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The along-track dimension of the intersection of the 3-dB (two-way) altimetry antenna pattern with the surface when the antenna boresight is aimed at nadir (a very approximate measure of the along-track footprint dimension)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = CROSS_TRACK_ALTIMETRY_FOOTPRINT START_BYTE = 197 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'KM' OBJECT = ALIAS ALIAS_NAME = NR_YFOOT USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The cross-track dimension of the intersection of the 3-dB (two-way) altimetry antenna pattern with the surface when the antenna boresight is aimed at nadir (a very approximate measure of the across-track footprint dimension)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PIONEER_VENUS_RADIUS_AT_NADIR START_BYTE = 201 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'KM' OBJECT = ALIAS ALIAS_NAME = NR_PVRAD USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Radius of Venus at the nadir point as determined from Pioneer Venus data (provided by MIT in GIPS image format)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FIRST_ALT_BURST_USED START_BYTE = 205 DATA_TYPE = MSB_UNSIGNED_INTEGER BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NR_BLO USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The number of the first burst included in the average altimetry echo for this record." END_OBJECT = COLUMN OBJECT = COLUMN NAME = LAST_ALT_BURST_USED START_BYTE = 209 DATA_TYPE = MSB_UNSIGNED_INTEGER BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NR_BHI USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The number of the last burst included in the average altimetry echo for this record." END_OBJECT = COLUMN OBJECT = COLUMN NAME = NUMBER_OF_BURSTS_AVERAGED START_BYTE = 213 DATA_TYPE = MSB_UNSIGNED_INTEGER BYTES = 2 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NR_BAV USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The total number of altimeter bursts averaged to make this record." END_OBJECT = COLUMN OBJECT = COLUMN NAME = G_MATRIX_ID_NUMBER START_BYTE = 215 DATA_TYPE = MSB_UNSIGNED_INTEGER BYTES = 2 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NR_GNUM USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Identifies the range-Doppler-angle array used to invert the range-Doppler data in this averaged echo. G-matrices are indexed from 0." END_OBJECT = COLUMN OBJECT = COLUMN NAME = NUMBER_OF_ANGLES_IN_SOLUTION START_BYTE = 217 DATA_TYPE = MSB_UNSIGNED_INTEGER BYTES = 2 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NR_BLEN USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Number of angle increments in the solution for the scattering function from this average echo." END_OBJECT = COLUMN OBJECT = COLUMN NAME = NUMBER_OF_ELEMENTS_SAVED_IN_CVM START_BYTE = 219 DATA_TYPE = MSB_UNSIGNED_INTEGER BYTES = 2 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NR_NCVM USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The number of covariance values stored in COVARIANCE_MATRIX (depends on COVARIANCE_MATRIX_FLAG in the ANF TABLE_HEADER object)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SMOOTHING_FACTOR START_BYTE = 221 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NR_GAMMA USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The value of the parameter used to minimize second differences in the scattering function solution for this average echo." END_OBJECT = COLUMN OBJECT = COLUMN NAME = CHI_SQUARE_RESIDUAL_FROM_SOLUTION START_BYTE = 225 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NR_CHISQ USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The residual from the weighted least-square error inversion for the scattering function." END_OBJECT = COLUMN OBJECT = COLUMN NAME = RMS_SURFACE_TILT_FROM_DATA START_BYTE = 229 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'DEGREES' OBJECT = ALIAS ALIAS_NAME = NR_RMSS USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "RMS surface tilt theta-zero calculated from the NUMBER_OF_ANGLES_IN_SOLUTION points in the solution. This value is very sensitive to the value of NUMBER_OF_ANGLES_IN_SOLUTION." END_OBJECT = COLUMN OBJECT = COLUMN NAME = THERMAL_NOISE_ESTIMATE START_BYTE = 233 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'WATTS' OBJECT = ALIAS ALIAS_NAME = TN_SOL USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Thermal noise power estimate calculated as one of many variables in the chi-square solution for the surface scattering function SCATTERING_FUNCTION. Likely to be an overestimate since there is no attempt to account for radar clutter; THERMAL_NOISE_ESTIMATE includes contributions from Venus' surface, the radar equipment, and aliased echo signal in both time/range and frequency." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ESTIMATED_VARIANCE_OF_TN_SOL START_BYTE = 237 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'WATTS' OBJECT = ALIAS ALIAS_NAME = TN_SOLV USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Estimate of variance in THERMAL_NOISE_ESTIMATE from propagation of errors through solution procedure." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SMALLEST_RANGE_DOPPLER_ARRAY_VALUE START_BYTE = 241 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'WATTS' OBJECT = ALIAS ALIAS_NAME = TN_MIN USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Smallest value in averaged 16 by 151 (frequency by range, respectively) array of processor output power. Likely to be an underestimate, since statistical variations will force the 'minimum' below the average." END_OBJECT = COLUMN OBJECT = COLUMN NAME = AVERAGE_OF_SMALL_VALUES START_BYTE = 245 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'WATTS' OBJECT = ALIAS ALIAS_NAME = TN_AVG USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The average of range echo bin values from 10-20 range bins before the echo peak (divided by 16)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = MINIMUM_IN_RANGE_ECHO START_BYTE = 249 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'WATTS' OBJECT = ALIAS ALIAS_NAME = TN_R USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The minimum value in the range echo, divided by 16." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPARE START_BYTE = 253 BYTES = 16 END_OBJECT = COLUMN OBJECT = COLUMN NAME = DOPPLER_CENTROID START_BYTE = 269 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'HZ' OBJECT = ALIAS ALIAS_NAME = NR_DCENT USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The calculated center of the spectrum of the radar receiver signal." END_OBJECT = COLUMN OBJECT = COLUMN NAME = VARIANCE_OF_DOPPLER_CENTROID START_BYTE = 273 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'HZ' OBJECT = ALIAS ALIAS_NAME = NR_DCENTV USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Estimated variance of DOPPLER_CENTROID." END_OBJECT = COLUMN OBJECT = COLUMN NAME = DOPPLER_ROTATION_USED_FOR_SOLUTION START_BYTE = 277 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'HZ' OBJECT = ALIAS ALIAS_NAME = NR_FROT USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The offset of the echo from its nominal center bin position assumed to be due to surface effects (an integral multiple of 935 Hz, the width of a single frequency bin)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TRANSMITTER_A_FLAG START_BYTE = 281 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = CL_TXA USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "If set (1), transmitter A was used; if not set (0), transmitter B was used." END_OBJECT = COLUMN OBJECT = COLUMN NAME = RECEIVER_A_FLAG START_BYTE = 282 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = CL_RXA USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "If set (1), receiver A was used; if not set (0), receiver B was used." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPARE START_BYTE = 283 BYTES = 2 END_OBJECT = COLUMN OBJECT = COLUMN NAME = END_TO_END_SYSTEM_CORRECTION START_BYTE = 285 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = CL_CPT0 USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The end-to-end gain of the complete altimetry radar system for a closed loop test [if the antenna were removed and the outgoing (transmitted) signal were turned directly back to the receiver--including processing at Stanford. The value of END_TO_END_SYSTEM_CORRECTION is the measured attenuation during this test." END_OBJECT = COLUMN OBJECT = COLUMN NAME = CROSS_STRAPPING_CORRECTION START_BYTE = 289 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = CL_XSTRAP USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The attenuation caused by using transmitter A with receiver B, or vice versa." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TRANSMITTER_POWER_CORRECTION START_BYTE = 293 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = CL_DCTX USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "An estimated attenuation of the available power, relative to END_TO_END_SYSTEM_CORRECTION based on telemetered measurements of transmitter and output network temperatures." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TRANSMITTER_STAGE_1_TEMPERATURE START_BYTE = 297 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'K' OBJECT = ALIAS ALIAS_NAME = CL_TT1 USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The telemetered temperature of the Transmitter Stage 1 Driver temperature, used to compute the transmit power." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ONU_ALTIMETER_TEMPERATURE START_BYTE = 301 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'K' OBJECT = ALIAS ALIAS_NAME = CL_TOA USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The telemetered temperature of the ONU Altimeter temperature, used to compute the transmit power." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ATMOSPHERIC_ATTENUATION START_BYTE = 305 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = CL_ATMOS USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The expected attenuation due to the atmosphere for this nadir elevation (PIONEER_VENUS_RADIUS_AT_NADIR)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ANTENNA_PATTERN START_BYTE = 309 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = CL_ANT USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Always zero because the gain pattern of the antenna is accounted for in the G-matrix calculation." END_OBJECT = COLUMN OBJECT = COLUMN NAME = RECEIVER_TEMPERATURE START_BYTE = 313 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'K' OBJECT = ALIAS ALIAS_NAME = CL_TRX USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Telemetered temperature of the receiver." END_OBJECT = COLUMN OBJECT = COLUMN NAME = RECEIVER_TEMPERATURE_ATTENUATION START_BYTE = 317 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = CL_DCT USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The portion of receiver attenuation that is dependent on receiver temperature." END_OBJECT = COLUMN OBJECT = COLUMN NAME = COMMANDABLE_ATTENUATION_CODE START_BYTE = 321 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = CL_RAC USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The 3-bit code specifying the amount of attenuation used in the receiver front end." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPARE START_BYTE = 322 BYTES = 3 END_OBJECT = COLUMN OBJECT = COLUMN NAME = RECEIVER_COMMANDABLE_ATTENUATION START_BYTE = 325 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = CL_DCA USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The actual receiver attenuation specified by the attenuation code COMMANDABLE_ATTENUATION_CODE." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TOTAL_AMPLITUDE_CORRECTION START_BYTE = 329 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = CL_CALT USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The total amplitude correction expressed as an attenuation." END_OBJECT = COLUMN OBJECT = COLUMN NAME = JPL_SYNC_CODE START_BYTE = 333 DATA_TYPE = MSB_UNSIGNED_INTEGER BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = SB_SYNC USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The JPL Sync code 0x03915ed3." END_OBJECT = COLUMN OBJECT = COLUMN NAME = BFQ_THRESHOLD_VALUES START_BYTE = 337 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 ITEMS = 24 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = SB_THRESH USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Block Floating Point Thresholds from the SAR burst header." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPARE START_BYTE = 361 BYTES = 2 END_OBJECT = COLUMN OBJECT = COLUMN NAME = RADIOMETER_READING START_BYTE = 363 DATA_TYPE = MSB_UNSIGNED_INTEGER BYTES = 2 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = SB_RAD USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Raw value of the radiometer, measuring noise power of the high-gain antenna or, on alternating bursts, of a load at a known temperature." END_OBJECT = COLUMN OBJECT = COLUMN NAME = RADAR_CLOCK START_BYTE = 365 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 ITEMS = 8 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = SB_RCLK USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The 52-bit spacecraft clock value." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPARE START_BYTE = 373 BYTES = 2 END_OBJECT = COLUMN OBJECT = COLUMN NAME = BIT_FIELDS START_BYTE = 375 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 ITEMS = 10 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = SB_SAB_B USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Radar instrument status fields." END_OBJECT = COLUMN OBJECT = COLUMN NAME = BUFFER_MEMORY_CHECKOUT START_BYTE = 385 DATA_TYPE = MSB_UNSIGNED_INTEGER BYTES = 2 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = SB_BMC_FLAG USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Buffer memory checkout flag." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPARE START_BYTE = 387 BYTES = 18 END_OBJECT = COLUMN OBJECT = COLUMN NAME = SCATTERING_FUNCTION START_BYTE = 405 DATA_TYPE = IEEE_REAL BYTES = 4 ITEMS = 'UNK' UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NR_SIG0 USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The Sigma-zero function obtained by inverting the average altimetry radar echo from bursts FIRST_ALT_BURST_USED through LAST_ALT_BURST_USED. The function is a vector of n = NUMBER_OF_ANGLES_IN_SOLUTION numbers for the (effective) incidence angles given by SOLUTION_ANGLES." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SOLUTION_ANGLES START_BYTE = 'UNK' DATA_TYPE = IEEE_REAL BYTES = 4 ITEMS = 'UNK' UNIT = 'RADIANS' OBJECT = ALIAS ALIAS_NAME = NR_ANG USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The n = NUMBER_OF_ANGLES_IN_SOLUTION angles at which the scattering function solution has been obtained. The default angles are spaced by 0.5 degrees, starting at 0.25. That is, the solution angles are 0.25, 0.75, 1.25, 1.75, ... NUMBER_OF_ANGLES_IN_SOLUTION * 0.5-0.25 degrees; note, however, that SOLUTION_ANGLES is given in radians." END_OBJECT = COLUMN OBJECT = COLUMN NAME = COVARIANCE_MATRIX START_BYTE = 'UNK' DATA_TYPE = IEEE_REAL BYTES = 4 ITEMS = 'UNK' UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NR_CVM USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Matrix of estimated covariances of SCATTERING_FUNCTION and thermal noise estimates." END_OBJECT = COLUMN END