Swath Data File: sb20092111400.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: 610 Bathymetry Data (151 beams): Number of Beams: 92110 Number of Good Beams: 73505 79.80% Number of Zero Beams: 18605 20.20% Number of Flagged Beams: 0 0.00% Amplitude Data (151 beams): Number of Beams: 92110 Number of Good Beams: 73505 79.80% Number of Zero Beams: 18605 20.20% Number of Flagged Beams: 0 0.00% Sidescan Data (2000 pixels): Number of Pixels: 1220000 Number of Good Pixels: 690334 56.58% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 529666 43.42% Navigation Totals: Total Time: 0.7717 hours Total Track Length: 3.4568 km Average Speed: 4.4793 km/hr ( 2.4212 knots) Start of Data: Time: 07 30 2009 14:00:00.664000 JD211 Lon: -149.3917 Lat: 71.2744 Depth: 1118.6000 meters Speed: 1.4843 km/hr ( 0.8023 knots) Heading: 321.9570 degrees Sonar Depth: 0.0000 m Sonar Altitude: 1118.6000 m End of Data: Time: 07 30 2009 14:46:18.878000 JD211 Lon: -149.3509 Lat: 71.2809 Depth: 1268.5000 meters Speed: 6.6569 km/hr ( 3.5983 knots) Heading: 66.5370 degrees Sonar Depth: 0.0000 m Sonar Altitude: 1268.5000 m Limits: Minimum Longitude: -149.4696 Maximum Longitude: -149.3267 Minimum Latitude: 71.2600 Maximum Latitude: 71.3062 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 1114.2000 Maximum Altitude: 1283.8000 Minimum Depth: 963.1000 Maximum Depth: 1520.6000 Minimum Amplitude: 41.7887 Maximum Amplitude: 80.5387 Minimum Sidescan: 0.7532 Maximum Sidescan: 18253.3745 Data Record Type Notices: DN: 610 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: 0 0 0 1 1 1 1 0 0 0 CM: 0 0 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 1 1 0 0 CM: 1 1 1 1 1 1 1 1 0 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 0 0 0 1 1 1 1