Swath Data File: sb20092171000.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: 2130 Bathymetry Data (75 beams): Number of Beams: 159750 Number of Good Beams: 104601 65.48% Number of Zero Beams: 55149 34.52% Number of Flagged Beams: 0 0.00% Amplitude Data (75 beams): Number of Beams: 159750 Number of Good Beams: 104601 65.48% Number of Zero Beams: 55149 34.52% Number of Flagged Beams: 0 0.00% Sidescan Data (2000 pixels): Number of Pixels: 4260000 Number of Good Pixels: 112587 2.64% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 4147413 97.36% Navigation Totals: Total Time: 0.9994 hours Total Track Length: 13.9425 km Average Speed: 13.9513 km/hr ( 7.5412 knots) Start of Data: Time: 08 05 2009 10:00:01.789000 JD217 Lon: -154.2198 Lat: 71.5508 Depth: 47.3500 meters Speed: 16.9223 km/hr ( 9.1472 knots) Heading: 299.5350 degrees Sonar Depth: 0.0000 m Sonar Altitude: 47.3500 m End of Data: Time: 08 05 2009 10:59:59.518000 JD217 Lon: -154.5958 Lat: 71.5861 Depth: 36.5300 meters Speed: 11.1319 km/hr ( 6.0172 knots) Heading: 291.8320 degrees Sonar Depth: 0.0000 m Sonar Altitude: 36.5300 m Limits: Minimum Longitude: -154.5967 Maximum Longitude: -154.2181 Minimum Latitude: 71.5498 Maximum Latitude: 71.5871 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 23.8700 Maximum Altitude: 77.3400 Minimum Depth: 20.0900 Maximum Depth: 91.1400 Minimum Amplitude: 20.7185 Maximum Amplitude: 86.9685 Minimum Sidescan: 14.6274 Maximum Sidescan: 13468.5770 Data Record Type Notices: DN: 2130 MB_DATA_DATA (ID=1): survey data DN: 4 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 4 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 1 0 0 0 0 0 0 0 0 0 CM: 1 1 0 0 0 0 0 0 0 0 CM: 0 1 1 1 0 0 0 0 0 0 CM: 0 0 1 1 1 0 0 0 0 0 CM: 0 0 0 1 1 1 0 0 0 0 CM: 0 0 0 0 0 1 1 0 0 0 CM: 0 0 0 0 0 0 1 1 0 0 CM: 0 0 0 0 0 0 0 1 1 0 CM: 0 0 0 0 0 0 0 0 1 1 CM: 0 0 0 0 0 0 0 0 1 1