Swath Data File: sb199808251553_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: 20 Bathymetry Data (151 beams): Number of Beams: 3020 Number of Good Beams: 2270 75.17% Number of Zero Beams: 369 12.22% Number of Flagged Beams: 381 12.62% Amplitude Data (151 beams): Number of Beams: 3020 Number of Good Beams: 2270 75.17% Number of Zero Beams: 369 12.22% Number of Flagged Beams: 381 12.62% Sidescan Data (2000 pixels): Number of Pixels: 40000 Number of Good Pixels: 26628 66.57% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 13372 33.43% Navigation Totals: Total Time: 0.0833 hours Total Track Length: 1.8908 km Average Speed: 22.7081 km/hr (12.2747 knots) Start of Data: Time: 08 25 1998 15:50:53.343000 JD237 Lon: -157.2364 Lat: 22.0376 Depth: 4499.7002 meters Speed: 23.5625 km/hr (12.7365 knots) Heading: 224.8970 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4499.7002 m End of Data: Time: 08 25 1998 15:55:53.095000 JD237 Lon: -157.2493 Lat: 22.0255 Depth: 4422.7998 meters Speed: 21.1506 km/hr (11.4328 knots) Heading: 222.3710 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4422.7998 m Limits: Minimum Longitude: -157.3213 Maximum Longitude: -157.1646 Minimum Latitude: 21.9583 Maximum Latitude: 22.1014 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 4404.5000 Maximum Altitude: 4512.0000 Minimum Depth: 3632.6001 Maximum Depth: 4768.2002 Minimum Amplitude: 45.2397 Maximum Amplitude: 85.2397 Minimum Sidescan: 28.0172 Maximum Sidescan: 33090.5759 Data Record Type Notices: DN: 20 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: 1 1 1 0 0 0 0 0 0 0 CM: 1 1 1 1 0 0 0 0 0 0 CM: 0 1 1 1 1 0 0 0 0 0 CM: 0 0 1 1 1 0 0 0 0 0 CM: 0 0 0 1 1 1 0 0 0 0 CM: 0 0 0 0 1 1 1 0 0 0 CM: 0 0 0 0 0 1 1 1 0 0 CM: 0 0 0 0 0 0 1 1 1 0 CM: 0 0 0 0 0 0 0 1 1 1 CM: 0 0 0 0 0 0 0 0 1 1