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 = IR_SFDU USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "'NJPL1I0000120000nnnn', the designator '0012' is registered with the NJPL SFDU authority as the 'Image 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 = IR_NFOOT USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Starting from 1, the number of the Image Data Record by increasing Image Footprint Time (FOOTPRINT_TIME)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = BURST_COUNT_FOR_CLOSEST_BURST START_BYTE = 25 DATA_TYPE = MSB_UNSIGNED_INTEGER BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = IR_BURST USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The burst for which the Mid-Range Point is closest to the footprint center." 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 = IR_FLAGS USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Stanford Image Data Record Flag Values." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FOOTPRINT_TIME START_BYTE = 33 DATA_TYPE = IEEE_REAL BYTES = 8 UNIT = 'SECONDS' OBJECT = ALIAS ALIAS_NAME = IR_SCET USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The burst start time (seconds of TDB since J2000) for the associated burst." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPACECRAFT_POSITION_VECTOR START_BYTE = 41 DATA_TYPE = IEEE_REAL BYTES = 4 ITEMS = 3 UNIT = 'KM' OBJECT = ALIAS ALIAS_NAME = IR_SCPOS USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The spacecraft position for the associated burst, relative to the Venus center of mass and expressed in the Venus Body Fixed 1985 coordinate system." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPACECRAFT_VELOCITY_VECTOR START_BYTE = 53 DATA_TYPE = IEEE_REAL BYTES = 4 ITEMS = 3 UNIT = 'KM/SECOND' OBJECT = ALIAS ALIAS_NAME = IR_SCVEL USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The spacecraft velocity for the associated burst, relative to the Venus center of mass and expressed in Venus Body Fixed 1985 coordinates." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SAR_ANTENNA_UNIT_BORESIGHT_VECTOR START_BYTE = 65 DATA_TYPE = IEEE_REAL BYTES = 4 ITEMS = 3 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = IR_BPV USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The unit vector along the axis of the SAR antenna for the associated burst, expressed in Venus Body Fixed 1985 coordinates." END_OBJECT = COLUMN OBJECT = COLUMN NAME = BORESIGHT_INTERCEPT_POINT START_BYTE = 77 DATA_TYPE = IEEE_REAL BYTES = 4 ITEMS = 3 UNIT = 'KM' OBJECT = ALIAS ALIAS_NAME = IR_BIP USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The position of the boresight intercept point on Venus' surface for the associated burst, expressed in Venus Body Fixed 1985 coordinates." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FOOTPRINT_LATITUDE START_BYTE = 89 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'DEGREES' OBJECT = ALIAS ALIAS_NAME = IR_LAT USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The body-fixed latitude of the footprint center, in the range of -90 (South Pole) to +90 (North Pole)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FOOTPRINT_LONGITUDE START_BYTE = 93 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'DEGREES' OBJECT = ALIAS ALIAS_NAME = IR_LON USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The body-fixed longitude of the footprint center in the range of 0 - 360." END_OBJECT = COLUMN OBJECT = COLUMN NAME = AZIMUTH_FROM_FOOTPRINT_TO_S_C START_BYTE = 97 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'DEGREES' OBJECT = ALIAS ALIAS_NAME = IR_AZIMUTH USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "At the footprint center (FOOTPRINT_LATITUDE, FOOTPRINT_LONGITUDE) the spacecraft azimuth measured positive toward the east from local north." END_OBJECT = COLUMN OBJECT = COLUMN NAME = POLARIZATION START_BYTE = 101 DATA_TYPE = CHARACTER BYTES = 2 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = IR_POLN USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "Horizontal transmitted and horizontal received ('HH') or vertical transmitted and vertical received ('VV')." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPARE START_BYTE = 103 BYTES = 2 END_OBJECT = COLUMN OBJECT = COLUMN NAME = ALONG_TRACK_FOOTPRINT_SIZE START_BYTE = 105 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'KM' OBJECT = ALIAS ALIAS_NAME = IR_XFOOT USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The along-track dimension of the Venus surface area described by this data record (nominally 9 C-BIDR image lines, or 2.025 km)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = CROSS_TRACK_FOOTPRINT_SIZE START_BYTE = 109 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'KM' OBJECT = ALIAS ALIAS_NAME = IR_YFOOT USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The across-track dimension of the Venus surface area described by this data record." END_OBJECT = COLUMN OBJECT = COLUMN NAME = MID_RANGE_POINT_LATITUDE START_BYTE = 113 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'DEGREES' OBJECT = ALIAS ALIAS_NAME = IR_MRP_LAT USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The latitude of the Mid-Range Point for the associated burst." END_OBJECT = COLUMN OBJECT = COLUMN NAME = MID_RANGE_POINT_LONGITUDE START_BYTE = 117 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'DEGREES' OBJECT = ALIAS ALIAS_NAME = IR_MRP_LON USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The longitude of the Mid-Range Point for the associated burst." END_OBJECT = COLUMN OBJECT = COLUMN NAME = MID_RANGE_POINT_INCIDENCE_ANGLE START_BYTE = 121 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'DEGREES' OBJECT = ALIAS ALIAS_NAME = IR_MRP_INC USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The incidence angle at the Mid-Range Point for the associated burst." END_OBJECT = COLUMN OBJECT = COLUMN NAME = MID_RANGE_POINT_C1_COORDINATE START_BYTE = 125 DATA_TYPE = MSB_INTEGER BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = IR_MRP_C1 USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The C1 coordinate at the Mid-Range Point for the associated burst in units of 225 m pixels." END_OBJECT = COLUMN OBJECT = COLUMN NAME = MID_RANGE_POINT_C2_COORDINATE START_BYTE = 129 DATA_TYPE = MSB_INTEGER BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = IR_MRP_C2 USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The C2 coordinate at the Mid-Range Point for the associated burst in units of 225 m pixels." END_OBJECT = COLUMN OBJECT = COLUMN NAME = BIP_LATITUDE START_BYTE = 133 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'DEGREES' OBJECT = ALIAS ALIAS_NAME = IR_BIP_LAT USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The latitude at the Boresight Intercept Point for the associated burst (the Boresight Intercept Point is the point on the Venus surface where the HGA boresight would intercept the surface, after accounting for atmospheric refraction and the Magellan-adopted model for topography)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = BIP_LONGITUDE START_BYTE = 137 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'DEGREES' OBJECT = ALIAS ALIAS_NAME = IR_BIP_LON USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The longitude at the Boresight Intercept Point for the associated burst." END_OBJECT = COLUMN OBJECT = COLUMN NAME = BIP_INCIDENCE_ANGLE START_BYTE = 141 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'DEGREES' OBJECT = ALIAS ALIAS_NAME = IR_BIP_INC USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The incidence angle at the Boresight Intercept Point for the associated burst." END_OBJECT = COLUMN OBJECT = COLUMN NAME = BIP_ELEVATION START_BYTE = 145 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'KM' OBJECT = ALIAS ALIAS_NAME = IR_BIP_ELEV USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The elevation (above the 6051 km reference surface) at the Boresight Intercept Point for the associated burst." END_OBJECT = COLUMN OBJECT = COLUMN NAME = APPARENT_RANGE_S_C_TO_BIP START_BYTE = 149 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'KM' OBJECT = ALIAS ALIAS_NAME = IR_BIP_RANGE USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The apparent slant range from the spacecraft to the Boresight Intercept Point for the associated burst." END_OBJECT = COLUMN OBJECT = COLUMN NAME = NORMALIZING_FACTOR_FOR_PIXELS START_BYTE = 153 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = IR_MRP_BS_COEF USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The Muhleman Law backscatter coefficient at the Mid-Range Point reported on the CBIDR tape. Note: this value was not computed correctly." END_OBJECT = COLUMN OBJECT = COLUMN NAME = LOWEST_INCIDENCE_ANGLE START_BYTE = 157 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'DEGREES' OBJECT = ALIAS ALIAS_NAME = IR_THETA_OFFSET USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The smallest angle represented by the scattering data array." END_OBJECT = COLUMN OBJECT = COLUMN NAME = HIGHEST_INCIDENCE_ANGLE START_BYTE = 161 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'DEGREES' OBJECT = ALIAS ALIAS_NAME = IR_THETA_MAX USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The largest angle represented by the scattering data array." END_OBJECT = COLUMN OBJECT = COLUMN NAME = LOWEST_ANGLE_FOR_FIT START_BYTE = 165 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'DEGREES' OBJECT = ALIAS ALIAS_NAME = IR_THLO USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The smallest incidence angle for which at least one pixel was found in the block; the smallest incidence angle used in the polynomial fit." END_OBJECT = COLUMN OBJECT = COLUMN NAME = HIGHEST_ANGLE_FOR_FIT START_BYTE = 169 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'DEGREES' OBJECT = ALIAS ALIAS_NAME = IR_THHI USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The largest incidence angle for which at least one pixel was found in the block; the largest incidence angle used in the polynomial fit." END_OBJECT = COLUMN OBJECT = COLUMN NAME = LOWEST_VALID_BIN_FOR_ANGLE_FIT START_BYTE = 173 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = IR_BMIN USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The smallest bin number for which data were used in the polynomial fit (0 < LOWEST_VALID_BIN_FOR_ANGLE_FIT < 99)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = HIGHEST_VALID_BIN_FOR_ANGLE_FIT START_BYTE = 174 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = IR_BMAX USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The largest bin number for which data were used in the polynomial fit (0 < HIGHEST_VALID_BIN_FOR_ANGLE_FIT < 99)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = NUMBER_OF_ANGLES_IN_IR_BINS START_BYTE = 175 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = IR_NTH USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The dimension of the array IR_BINS (equal to HIGHEST_VALID_BIN_FOR_ANGLE_FIT - LOWEST_VALID_BIN_FOR_ANGLE_FIT + 1)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SIZE_OF_POLYNOMIAL_FIT START_BYTE = 176 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = IR_POLYSIZE USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The number of coefficients in the fitted polynomial; one more than the highest power in the polynomial." END_OBJECT = COLUMN OBJECT = COLUMN NAME = CHI_SQUARE_VALUE_FROM_LINEAR_FIT START_BYTE = 177 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = IR_CHISQ USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The residual from the weighted least-square error fit for the polynomial." END_OBJECT = COLUMN OBJECT = COLUMN NAME = COEFFICIENTS_FOR_POLYNOMIAL_FIT START_BYTE = 181 DATA_TYPE = IEEE_REAL BYTES = 4 ITEMS = 3 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = IR_COEFS USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The coefficients for the fitted polynomial to the scattering function, which is expanded about (LOWEST_ANGLE_FOR_FIT + HIGHEST_ANGLE_FOR_FIT)/2. The first coefficient (COEFFICIENTS_FOR_POLYNOMIAL_FIT[0]) is the constant term, the second coefficient (COEFFICIENTS_FOR_POLYNOMIAL_FIT[1]) is the linear term." END_OBJECT = COLUMN OBJECT = COLUMN NAME = LOWEST_VALID_INTENSITY_BIN START_BYTE = 193 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = IR_IMIN USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The smallest pixel intensity represented by the pixel intensity histogram (0 < LOWEST_VALID_INTENSITY_BIN < 255)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = HIGHEST_VALID_INTENSITY_BIN START_BYTE = 194 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = IR_IMAX USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The highest pixel intensity represented by the pixel intensity histogram (0 < HIGHEST_VALID_INTENSITY_BIN < 255)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = NUMBER_OF_LEVELS_IN_IR_I_COUNT START_BYTE = 195 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = IR_NI USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The dimension of array HISTOGRAM_OF_PIXEL_VALUES (NUMBER_OF_LEVELS_IN_IR_I_COUNT = HIGHEST_VALID_INTENSITY_BIN - LOWEST_VALID_INTENSITY_BIN + 1)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPARE START_BYTE = 196 BYTES = 13 END_OBJECT = COLUMN OBJECT = COLUMN NAME = CUMULATIVE_INTENSITY START_BYTE = 209 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = IR_INTEN USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The sum of the intensities of all pixels assigned to this incidence angle bin." END_OBJECT = COLUMN OBJECT = COLUMN NAME = NUMBER_OF_PIXELS START_BYTE = 213 DATA_TYPE = MSB_UNSIGNED_INTEGER BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = IR_COUNT USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The number of pixels assigned to this incidence angle bin." END_OBJECT = COLUMN OBJECT = COLUMN NAME = STANDARD_DEVIATION START_BYTE = 217 DATA_TYPE = IEEE_REAL BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = IR_SDEV USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The standard deviation of the weighted intensities for this incidence angle bin." END_OBJECT = COLUMN OBJECT = COLUMN NAME = HISTOGRAM_OF_PIXEL_VALUES START_BYTE = 221 DATA_TYPE = MSB_UNSIGNED_INTEGER BYTES = 4 ITEMS = 'UNK' UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = IR_I_COUNT USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "For up to 256 Intensity Levels, the number of pixels at each of m = NUMBER_OF_LEVELS_IN_IR_I_COUNT intensity levels." END_OBJECT = COLUMN END