Swath Data File: sb20090302300.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: 2128 Bathymetry Data (75 beams): Number of Beams: 159600 Number of Good Beams: 129581 81.19% Number of Zero Beams: 30019 18.81% Number of Flagged Beams: 0 0.00% Amplitude Data (75 beams): Number of Beams: 159600 Number of Good Beams: 129581 81.19% Number of Zero Beams: 30019 18.81% Number of Flagged Beams: 0 0.00% Sidescan Data (2000 pixels): Number of Pixels: 4256000 Number of Good Pixels: 193864 4.56% Number of Zero Pixels: 4062136 95.44% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.9992 hours Total Track Length: 5.2341 km Average Speed: 5.2383 km/hr ( 2.8315 knots) Start of Data: Time: 01 30 2009 23:00:00.837000 JD30 Lon: -123.1609 Lat: 48.3149 Depth: 113.1600 meters Speed: 14.4715 km/hr ( 7.8224 knots) Heading: 274.3720 degrees Sonar Depth: 0.0000 m Sonar Altitude: 113.1600 m End of Data: Time: 01 30 2009 23:59:57.961000 JD30 Lon: -123.1906 Lat: 48.3456 Depth: 97.0600 meters Speed: 1.6698 km/hr ( 0.9026 knots) Heading: 128.5080 degrees Sonar Depth: 0.0000 m Sonar Altitude: 97.0600 m Limits: Minimum Longitude: -123.1952 Maximum Longitude: -123.1607 Minimum Latitude: 48.3131 Maximum Latitude: 48.3477 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 96.4300 Maximum Altitude: 124.2900 Minimum Depth: 91.0600 Maximum Depth: 128.3600 Minimum Amplitude: 36.9685 Maximum Amplitude: 87.2185 Minimum Sidescan: 27.3537 Maximum Sidescan: 21979.9207 Data Record Type Notices: DN: 2128 MB_DATA_DATA (ID=1): survey data DN: 2 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 2 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 1 1 1 0 0 0 0 0 0 0 CM: 0 1 1 0 0 0 0 0 0 0 CM: 1 1 0 0 0 0 0 0 0 0 CM: 1 1 0 0 0 0 0 0 0 0 CM: 1 1 0 0 0 0 0 0 0 0 CM: 1 1 1 0 0 0 0 0 0 0 CM: 1 1 1 0 0 0 0 0 0 0 CM: 1 1 1 1 0 0 0 0 0 0 CM: 0 1 1 1 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 1