Swath Data File: 00031031094010.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: 31 Bathymetry Data (140 beams): Number of Beams: 4340 Number of Good Beams: 4254 98.02% Number of Zero Beams: 86 1.98% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 4340 Number of Good Beams: 4254 98.02% Number of Zero Beams: 86 1.98% Number of Flagged Beams: 0 0.00% Sidescan Data (4094 pixels): Number of Pixels: 114327 Number of Good Pixels: 114327 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1634 hours Total Track Length: 1.2139 km Average Speed: 7.4274 km/hr ( 4.0148 knots) Start of Data: Time: 10 31 2003 09:39:40.567000 JD304 Lon: -45.0181 Lat: 26.2202 Depth: 2989.1190 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 114.2798 degrees Sonar Depth: 8.3000 m Sonar Altitude: 2980.8190 m End of Data: Time: 10 31 2003 09:49:28.911999 JD304 Lon: -45.0081 Lat: 26.2140 Depth: 2843.4005 meters Speed: 7.6469 km/hr ( 4.1335 knots) Heading: 113.9063 degrees Sonar Depth: 6.0000 m Sonar Altitude: 2837.4005 m Limits: Minimum Longitude: -45.0451 Maximum Longitude: -44.9816 Minimum Latitude: 26.1623 Maximum Latitude: 26.2715 Minimum Sonar Depth: 4.3000 Maximum Sonar Depth: 8.3000 Minimum Altitude: 2826.9624 Maximum Altitude: 2987.8304 Minimum Depth: 2431.6179 Maximum Depth: 3594.8201 Minimum Amplitude: 0.0000 Maximum Amplitude: 247.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 31 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 0 0 0 0 0 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 0 CM: 0 0 0 0 1 1 1 1 0 0 CM: 0 0 0 0 1 1 1 0 0 0 CM: 0 0 0 1 1 1 1 0 0 0 CM: 0 0 1 1 1 1 0 0 0 0 CM: 0 1 1 1 1 0 0 0 0 0 CM: 1 1 1 1 0 0 0 0 0 0 CM: 1 1 1 0 0 0 0 0 0 0