Swath Data File: sb20051320600.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: 396 Bathymetry Data (151 beams): Number of Beams: 59796 Number of Good Beams: 41644 69.64% Number of Zero Beams: 18152 30.36% Number of Flagged Beams: 0 0.00% Amplitude Data (151 beams): Number of Beams: 59796 Number of Good Beams: 41644 69.64% Number of Zero Beams: 18152 30.36% Number of Flagged Beams: 0 0.00% Sidescan Data (2000 pixels): Number of Pixels: 792000 Number of Good Pixels: 428013 54.04% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 363987 45.96% Navigation Totals: Total Time: 0.9461 hours Total Track Length: 16.0241 km Average Speed: 16.9369 km/hr ( 9.1551 knots) Start of Data: Time: 05 12 2005 06:00:06.513000 JD132 Lon: -126.6327 Lat: 48.3314 Depth: 1899.3000 meters Speed: 19.2823 km/hr (10.4229 knots) Heading: 210.0000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 1899.3000 m End of Data: Time: 05 12 2005 06:56:52.488000 JD132 Lon: 0.0000 Lat: 0.0000 Depth: 2317.3999 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 0.0000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 2317.3999 m Limits: Minimum Longitude: -126.7474 Maximum Longitude: -126.5602 Minimum Latitude: 48.2008 Maximum Latitude: 48.3456 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 1794.9000 Maximum Altitude: 2558.3000 Minimum Depth: 1697.1000 Maximum Depth: 2622.7000 Minimum Amplitude: 43.7887 Maximum Amplitude: 96.2887 Minimum Sidescan: 1.6863 Maximum Sidescan: 64225.0120 Data Record Type Notices: DN: 396 MB_DATA_DATA (ID=1): survey data DN: 4 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 1 MB_ERROR_TIME_GAP (ID=-1): Time gap in data EN: 4 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: PN: 43 DATA PROBLEM (ID=2): Zero longitude or latitude in survey data PN: 5 DATA PROBLEM (ID=3): Instantaneous speed exceeds 25 km/hr Coverage Mask: CM dimensions: 10 10 CM: 0 0 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 0 0 CM: 1 1 1 1 1 1 1 1 0 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 1 CM: 0 0 0 1 1 0 0 1 1 1