Swath Data File: 00031027202010.mb183 MBIO Data Format ID: 183 Format name: MBF_HSDS2LAM Informal Description: L-DEO HSDS2 processing format Attributes: STN Atlas multibeam sonars, Hydrosweep DS2, Hydrosweep MD, Fansweep 10, Fansweep 20, bathymetry, amplitude, and sidescan, up to 1440 beams and 4096 pixels, XDR binary, L-DEO. Data Totals: Number of Records: 34 Bathymetry Data (140 beams): Number of Beams: 4760 Number of Good Beams: 4691 98.55% Number of Zero Beams: 69 1.45% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 4760 Number of Good Beams: 4691 98.55% Number of Zero Beams: 69 1.45% Number of Flagged Beams: 0 0.00% Sidescan Data (2514 pixels): Number of Pixels: 77926 Number of Good Pixels: 77926 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1621 hours Total Track Length: 3.2881 km Average Speed: 20.2841 km/hr (10.9644 knots) Start of Data: Time: 10 27 2003 20:19:41.258999 JD300 Lon: -53.7900 Lat: 22.8953 Depth: 5665.7781 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 67.6099 degrees Sonar Depth: 5.5000 m Sonar Altitude: 5660.2781 m End of Data: Time: 10 27 2003 20:29:24.828999 JD300 Lon: -53.7600 Lat: 22.9057 Depth: 5604.5470 meters Speed: 20.9267 km/hr (11.3117 knots) Heading: 66.7310 degrees Sonar Depth: 6.0000 m Sonar Altitude: 5598.5470 m Limits: Minimum Longitude: -53.8180 Maximum Longitude: -53.7313 Minimum Latitude: 22.8332 Maximum Latitude: 22.9781 Minimum Sonar Depth: 4.3000 Maximum Sonar Depth: 7.0000 Minimum Altitude: 5535.1002 Maximum Altitude: 5842.5633 Minimum Depth: 5271.5294 Maximum Depth: 6774.0476 Minimum Amplitude: 3.0000 Maximum Amplitude: 249.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 34 MB_DATA_DATA (ID=1): survey data DN: 17 MB_DATA_COMMENT (ID=2): comment Nonfatal Error Notices: EN: 17 MB_ERROR_COMMENT (ID=-5): Comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 1 1 1 1 0 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: 0 1 1 1 1 1 0 0 0 0 CM: 0 1 1 1 1 1 1 0 0 0 CM: 0 0 1 1 1 1 1 1 0 0 CM: 0 0 0 1 1 1 1 1 1 0 CM: 0 0 0 0 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