Swath Data File: sb199809081504_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: 283 Bathymetry Data (151 beams): Number of Beams: 42733 Number of Good Beams: 28299 66.22% Number of Zero Beams: 12378 28.97% Number of Flagged Beams: 2056 4.81% Amplitude Data (151 beams): Number of Beams: 42733 Number of Good Beams: 28299 66.22% Number of Zero Beams: 12378 28.97% Number of Flagged Beams: 2056 4.81% Sidescan Data (2000 pixels): Number of Pixels: 566000 Number of Good Pixels: 452318 79.91% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 113682 20.09% Navigation Totals: Total Time: 0.9501 hours Total Track Length: 18.7960 km Average Speed: 19.7830 km/hr (10.6935 knots) Start of Data: Time: 09 08 1998 15:01:52.025000 JD251 Lon: -154.9208 Lat: 18.8910 Depth: 5173.7002 meters Speed: 20.0226 km/hr (10.8230 knots) Heading: 272.5870 degrees Sonar Depth: 0.0000 m Sonar Altitude: 5173.7002 m End of Data: Time: 09 08 1998 15:58:52.419000 JD251 Lon: -155.0984 Lat: 18.8936 Depth: 4777.7998 meters Speed: 17.8110 km/hr ( 9.6276 knots) Heading: 338.4680 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4777.7998 m Limits: Minimum Longitude: -155.1548 Maximum Longitude: -154.9181 Minimum Latitude: 18.8278 Maximum Latitude: 18.9638 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 1608.5000 Maximum Altitude: 5189.2002 Minimum Depth: 4068.3000 Maximum Depth: 5295.6001 Minimum Amplitude: 44.2784 Maximum Amplitude: 93.7784 Minimum Sidescan: 4.7696 Maximum Sidescan: 57152.0080 Data Record Type Notices: DN: 283 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 1 1 1 1 0 1 0 1 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 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 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 1