CCSD3ZF0000100000001NJPL3IF0PDS200000001 = SFDU_LABEL RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 90 FILE_RECORDS = 12 ^TABLE = "GEOM.TAB" SPACECRAFT_NAME = MAGELLAN MISSION_PHASE_NAME = PRIMARY_MISSION TARGET_NAME = VENUS IMAGE_ID = 'F-MIDR.15N049;201' INSTRUMENT_NAME = 'RADAR SYSTEM' NOTE = "Geometry file for one MIDR. This file contains data in a table format for a set of line and sample pairs. The data are generated from the Magellan Radar Mapping Sequencing Software and are predictions. For an F-MIDR, the points are spaced every two degrees in latitude and longitude; for a Cx-MIDR, the points are spaced every four or five degrees. Some points may fall outside the image." OBJECT = TABLE INTERCHANGE_FORMAT = ASCII ROWS = 12 COLUMNS = 12 OBJECT = COLUMN NAME = ORBIT_NUMBER DESCRIPTION = "Orbit number for F-BIDR or C-BIDR data used in the MIDR." DATA_TYPE = INTEGER UNIT = 'N/A' START_BYTE = 1 BYTES = 4 END_OBJECT = COLUMN OBJECT = COLUMN NAME = BORESIGHT_LATITUDE DESCRIPTION = "Latitude corresponding to antenna boresight intercept on surface." DATA_TYPE = REAL UNIT = DEGREE START_BYTE = 6 BYTES = 8 END_OBJECT = COLUMN OBJECT = COLUMN NAME = BORESIGHT_LONGITUDE DESCRIPTION = "Longitude corresponding to antenna boresight intercept on surface." DATA_TYPE = REAL UNIT = DEGREE START_BYTE = 15 BYTES = 8 END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPACECRAFT_ALTITUDE DESCRIPTION = "Altitude of the spacecraft above the surface." DATA_TYPE = REAL UNIT = KILOMETER START_BYTE = 24 BYTES = 8 END_OBJECT = COLUMN OBJECT = COLUMN NAME = GROUND_SWATH_WIDTH DESCRIPTION = "Width of SAR swath on the ground." DATA_TYPE = REAL UNIT = KILOMETER START_BYTE = 33 BYTES = 6 END_OBJECT = COLUMN OBJECT = COLUMN NAME = BORESIGHT_LOOK_ANGLE DESCRIPTION = "Angle between antenna boresight and nadir beneath spacecraft." DATA_TYPE = REAL UNIT = DEGREE START_BYTE = 40 BYTES = 6 END_OBJECT = COLUMN OBJECT = COLUMN NAME = BORESIGHT_INCIDENCE_ANGLE DESCRIPTION = "Angle between antenna boresight and local surface normal." DATA_TYPE = REAL UNIT = DEGREE START_BYTE = 47 BYTES = 6 END_OBJECT = COLUMN OBJECT = COLUMN NAME = RANGE_RESOLUTION DESCRIPTION = "Radar resolution in range or cross track direction." DATA_TYPE = REAL UNIT = METER START_BYTE = 54 BYTES = 6 END_OBJECT = COLUMN OBJECT = COLUMN NAME = AZIMUTH_RESOLUTION DESCRIPTION = "Radar resolution in azimuth or along track direction." DATA_TYPE = REAL UNIT = METER START_BYTE = 61 BYTES = 6 END_OBJECT = COLUMN OBJECT = COLUMN NAME = EFFECTIVE_LOOKS DESCRIPTION = "Effective number of looks = (raw looks) * (effective looks resolution/range resolution) * (effective looks resolution/azimuth resolution)." DATA_TYPE = REAL UNIT = DIMENSIONLESS START_BYTE = 68 BYTES = 6 END_OBJECT = COLUMN OBJECT = COLUMN NAME = PRED_SIGNAL_THERM_NOISE_RATIO DESCRIPTION = "Ratio of signal to thermal noise in the SAR data." DATA_TYPE = REAL UNIT = DECIBEL START_BYTE = 75 BYTES = 6 END_OBJECT = COLUMN OBJECT = COLUMN NAME = PREDICT_SIGNAL_AMBIGUITY_RATIO DESCRIPTION = "Ratio of signal due to scatter from surface elements within the scene to signal from surrounding areas." DATA_TYPE = REAL UNIT = DECIBEL START_BYTE = 82 BYTES = 6 END_OBJECT = COLUMN END_OBJECT = TABLE END