Swath Data File: sb20051280300.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: 886 Bathymetry Data (75 beams): Number of Beams: 66450 Number of Good Beams: 52929 79.65% Number of Zero Beams: 13521 20.35% Number of Flagged Beams: 0 0.00% Amplitude Data (75 beams): Number of Beams: 66450 Number of Good Beams: 52929 79.65% Number of Zero Beams: 13521 20.35% Number of Flagged Beams: 0 0.00% Sidescan Data (2000 pixels): Number of Pixels: 1772000 Number of Good Pixels: 33893 1.91% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 1738107 98.09% Navigation Totals: Total Time: 0.3720 hours Total Track Length: 5.0326 km Average Speed: 13.5272 km/hr ( 7.3120 knots) Start of Data: Time: 05 08 2005 03:18:36.378000 JD128 Lon: -123.1724 Lat: 48.1888 Depth: 128.9000 meters Speed: 26.7166 km/hr (14.4414 knots) Heading: 68.6760 degrees Sonar Depth: 0.0000 m Sonar Altitude: 128.9000 m End of Data: Time: 05 08 2005 03:40:55.698000 JD128 Lon: -123.0430 Lat: 48.1970 Depth: 41.5100 meters Speed: 25.9559 km/hr (14.0302 knots) Heading: 93.4000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 41.5100 m Limits: Minimum Longitude: -123.1735 Maximum Longitude: -123.0433 Minimum Latitude: 48.1870 Maximum Latitude: 48.2005 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 37.5100 Maximum Altitude: 131.7700 Minimum Depth: 35.3500 Maximum Depth: 139.8100 Minimum Amplitude: 34.7185 Maximum Amplitude: 78.9685 Minimum Sidescan: 26.6623 Maximum Sidescan: 8086.4169 Data Record Type Notices: DN: 886 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: PN: 484 DATA PROBLEM (ID=3): Instantaneous speed exceeds 25 km/hr Coverage Mask: CM dimensions: 10 10 CM: 0 0 0 1 1 1 1 1 1 0 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 1 1 1 0 1 0 0 0 1 CM: 1 1 1 1 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 0 0 0 0 0 0 0 0 CM: 1 1 0 0 0 0 0 0 0 0 CM: 1 0 0 0 0 0 0 0 0 0