Swath Data File: 00031031085010.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: 44 Bathymetry Data (140 beams): Number of Beams: 6160 Number of Good Beams: 5994 97.31% Number of Zero Beams: 166 2.69% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 6160 Number of Good Beams: 5994 97.31% Number of Zero Beams: 166 2.69% Number of Flagged Beams: 0 0.00% Sidescan Data (4094 pixels): Number of Pixels: 168189 Number of Good Pixels: 168189 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1653 hours Total Track Length: 1.3908 km Average Speed: 8.4121 km/hr ( 4.5471 knots) Start of Data: Time: 10 31 2003 08:49:44.633999 JD304 Lon: -45.0527 Lat: 26.2421 Depth: 2822.2492 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 255.0586 degrees Sonar Depth: 4.9000 m Sonar Altitude: 2814.5633 m End of Data: Time: 10 31 2003 08:59:39.835000 JD304 Lon: -45.0603 Lat: 26.2359 Depth: 2784.5701 meters Speed: 5.9297 km/hr ( 3.2052 knots) Heading: 98.4375 degrees Sonar Depth: 5.2000 m Sonar Altitude: 2779.3701 m Limits: Minimum Longitude: -45.1251 Maximum Longitude: -45.0044 Minimum Latitude: 26.1820 Maximum Latitude: 26.2917 Minimum Sonar Depth: 4.6000 Maximum Sonar Depth: 7.6000 Minimum Altitude: 2706.2481 Maximum Altitude: 2863.1128 Minimum Depth: 1808.7654 Maximum Depth: 3651.4691 Minimum Amplitude: 1.0000 Maximum Amplitude: 252.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 44 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: 0 0 1 1 1 1 1 1 0 0 CM: 0 1 1 1 1 1 1 1 1 0 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: 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 0 CM: 0 0 1 1 1 0 1 1 0 0