Swath Data File: sb199809122354_ee.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: 400 Bathymetry Data (151 beams): Number of Beams: 60400 Number of Good Beams: 36369 60.21% Number of Zero Beams: 19142 31.69% Number of Flagged Beams: 4889 8.09% Amplitude Data (151 beams): Number of Beams: 60400 Number of Good Beams: 36369 60.21% Number of Zero Beams: 19142 31.69% Number of Flagged Beams: 4889 8.09% Sidescan Data (2000 pixels): Number of Pixels: 800000 Number of Good Pixels: 520907 65.11% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 279093 34.89% Navigation Totals: Total Time: 1.5410 hours Total Track Length: 38.7237 km Average Speed: 25.1297 km/hr (13.5836 knots) Start of Data: Time: 09 12 1998 23:52:16.072000 JD255 Lon: -154.7424 Lat: 18.4935 Depth: 5216.2002 meters Speed: 24.8872 km/hr (13.4526 knots) Heading: 54.2860 degrees Sonar Depth: 0.0000 m Sonar Altitude: 5216.2002 m End of Data: Time: 09 13 1998 01:24:43.506000 JD256 Lon: -154.4517 Lat: 18.7068 Depth: 5367.7002 meters Speed: 25.8817 km/hr (13.9901 knots) Heading: 48.6520 degrees Sonar Depth: 0.0000 m Sonar Altitude: 5367.7002 m Limits: Minimum Longitude: -154.7863 Maximum Longitude: -154.3982 Minimum Latitude: 18.4331 Maximum Latitude: 18.7701 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 4982.5000 Maximum Altitude: 5459.7002 Minimum Depth: 4959.7002 Maximum Depth: 5492.2002 Minimum Amplitude: 44.0284 Maximum Amplitude: 101.0284 Minimum Sidescan: 7.5414 Maximum Sidescan: 109738.0839 Data Record Type Notices: DN: 400 MB_DATA_DATA (ID=1): survey data DN: 23 MB_DATA_COMMENT (ID=2): comment DN: 3 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 23 MB_ERROR_COMMENT (ID=-5): Comment record EN: 3 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 0 0 1 1 0 0 CM: 0 0 0 0 0 1 1 1 1 0 CM: 0 0 0 0 1 1 1 1 1 1 CM: 0 0 0 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 0 0 CM: 1 1 1 1 1 1 1 0 0 0 CM: 1 1 1 1 1 1 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 0 1 1 1 0 0 0 0 0 0