Swath Data File: sb199806052135.mb41 MBIO Data Format ID: 41 Format name: MBF_SB2100RW Informal Description: SeaBeam 2100 series vender format Attributes: SeaBeam 2100, bathymetry, amplitude and sidescan, 151 beams and 2000 pixels, ascii with binary sidescan, SeaBeam Instruments. Data Totals: Number of Records: 400 Bathymetry Data (151 beams): Number of Beams: 60400 Number of Good Beams: 49317 81.65% Number of Zero Beams: 11083 18.35% Number of Flagged Beams: 0 0.00% Amplitude Data (151 beams): Number of Beams: 60400 Number of Good Beams: 49317 81.65% Number of Zero Beams: 11083 18.35% Number of Flagged Beams: 0 0.00% Sidescan Data (2000 pixels): Number of Pixels: 800000 Number of Good Pixels: 696850 87.11% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 103150 12.89% Navigation Totals: Total Time: 0.4903 hours Total Track Length: 0.4423 km Average Speed: 0.9020 km/hr ( 0.4875 knots) Start of Data: Time: 06 05 1998 21:34:29.349000 JD156 Lon: -117.4992 Lat: 32.5874 Depth: 1216.5000 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 279.9000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 1216.5000 m End of Data: Time: 06 05 1998 22:03:54.574000 JD156 Lon: -117.4992 Lat: 32.5874 Depth: 1217.3000 meters Speed: 0.4199 km/hr ( 0.2270 knots) Heading: 281.7570 degrees Sonar Depth: 0.0000 m Sonar Altitude: 1217.3000 m Limits: Minimum Longitude: -117.5056 Maximum Longitude: -117.4931 Minimum Latitude: 32.5627 Maximum Latitude: 32.6137 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 123.3000 Maximum Altitude: 1221.3000 Minimum Depth: 123.3000 Maximum Depth: 1241.1000 Minimum Amplitude: 42.2887 Maximum Amplitude: 82.5387 Minimum Sidescan: 1.1938 Maximum Sidescan: 14757.0426 Data Record Type Notices: DN: 400 MB_DATA_DATA (ID=1): survey data DN: 1 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 1 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 0 1 1 1 0 CM: 0 0 0 0 0 1 1 1 0 0 CM: 0 0 0 0 1 1 1 1 0 0 CM: 0 0 0 0 1 1 0 0 0 0 CM: 0 0 0 1 1 0 0 0 0 0 CM: 0 1 1 1 1 0 0 0 0 0 CM: 1 1 1 1 0 0 0 0 0 0 CM: 1 1 1 1 0 0 0 0 0 0