Swath Data File: sb199809140821_e.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: 236 Bathymetry Data (151 beams): Number of Beams: 35636 Number of Good Beams: 23646 66.35% Number of Zero Beams: 10049 28.20% Number of Flagged Beams: 1941 5.45% Amplitude Data (151 beams): Number of Beams: 35636 Number of Good Beams: 23646 66.35% Number of Zero Beams: 10049 28.20% Number of Flagged Beams: 1941 5.45% Sidescan Data (2000 pixels): Number of Pixels: 472000 Number of Good Pixels: 261735 55.45% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 210265 44.55% Navigation Totals: Total Time: 0.9237 hours Total Track Length: 15.9037 km Average Speed: 17.2165 km/hr ( 9.3062 knots) Start of Data: Time: 09 14 1998 08:18:37.735000 JD257 Lon: -154.2888 Lat: 19.0917 Depth: 5461.1001 meters Speed: 17.0689 km/hr ( 9.2264 knots) Heading: 50.8260 degrees Sonar Depth: 0.0000 m Sonar Altitude: 5461.1001 m End of Data: Time: 09 14 1998 09:14:03.226000 JD257 Lon: -154.1702 Lat: 19.1808 Depth: 5437.1001 meters Speed: 18.1227 km/hr ( 9.7961 knots) Heading: 47.1870 degrees Sonar Depth: 0.0000 m Sonar Altitude: 5437.1001 m Limits: Minimum Longitude: -154.3393 Maximum Longitude: -154.1158 Minimum Latitude: 19.0328 Maximum Latitude: 19.2394 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 5435.1001 Maximum Altitude: 5503.1001 Minimum Depth: 5364.7002 Maximum Depth: 5564.0000 Minimum Amplitude: 48.5284 Maximum Amplitude: 99.2784 Minimum Sidescan: 6.7213 Maximum Sidescan: 109835.5422 Data Record Type Notices: DN: 236 MB_DATA_DATA (ID=1): survey data DN: 15 MB_DATA_COMMENT (ID=2): comment DN: 2 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 15 MB_ERROR_COMMENT (ID=-5): Comment record 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 0 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 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: 0 1 1 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 0 CM: 0 0 1 1 1 1 1 0 0 0 CM: 0 0 0 1 1 1 0 0 0 0