Swath Data File: sb199809010723_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: 61 Bathymetry Data (151 beams): Number of Beams: 9211 Number of Good Beams: 6086 66.07% Number of Zero Beams: 2710 29.42% Number of Flagged Beams: 415 4.51% Amplitude Data (151 beams): Number of Beams: 9211 Number of Good Beams: 6086 66.07% Number of Zero Beams: 2710 29.42% Number of Flagged Beams: 415 4.51% Sidescan Data (2000 pixels): Number of Pixels: 122000 Number of Good Pixels: 98521 80.75% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 23479 19.25% Navigation Totals: Total Time: 0.1955 hours Total Track Length: 4.6693 km Average Speed: 23.8890 km/hr (12.9130 knots) Start of Data: Time: 09 01 1998 07:21:04.182000 JD244 Lon: -156.5890 Lat: 21.4855 Depth: 4981.2998 meters Speed: 25.1488 km/hr (13.5940 knots) Heading: 52.3000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4981.2998 m End of Data: Time: 09 01 1998 07:32:47.836000 JD244 Lon: -156.5530 Lat: 21.5108 Depth: 5305.2998 meters Speed: 24.1191 km/hr (13.0374 knots) Heading: 52.0000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 5305.2998 m Limits: Minimum Longitude: -156.6267 Maximum Longitude: -156.5145 Minimum Latitude: 21.4386 Maximum Latitude: 21.5571 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 4981.2998 Maximum Altitude: 5313.2002 Minimum Depth: 4517.1001 Maximum Depth: 5361.2998 Minimum Amplitude: 47.2784 Maximum Amplitude: 81.2784 Minimum Sidescan: 26.8926 Maximum Sidescan: 13795.9262 Data Record Type Notices: DN: 61 MB_DATA_DATA (ID=1): survey data DN: 15 MB_DATA_COMMENT (ID=2): comment Nonfatal Error Notices: EN: 15 MB_ERROR_COMMENT (ID=-5): Comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 0 1 1 1 1 0 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 1 1 1 1 1 1 0 0 0 0 CM: 1 1 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 1 1 0 0 CM: 0 0 1 1 1 1 1 1 1 0 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 0 0 1 1 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 0