Swath Data File: 00031105183010.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: 36 Bathymetry Data (140 beams): Number of Beams: 5040 Number of Good Beams: 4960 98.41% Number of Zero Beams: 80 1.59% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 5040 Number of Good Beams: 4960 98.41% Number of Zero Beams: 80 1.59% Number of Flagged Beams: 0 0.00% Sidescan Data (4094 pixels): Number of Pixels: 87930 Number of Good Pixels: 87930 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1612 hours Total Track Length: 3.4466 km Average Speed: 21.3746 km/hr (11.5539 knots) Start of Data: Time: 11 05 2003 18:29:45.100000 JD309 Lon: -48.3140 Lat: 27.3404 Depth: 4893.8969 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 291.2256 degrees Sonar Depth: 5.8000 m Sonar Altitude: 4887.2572 m End of Data: Time: 11 05 2003 18:39:25.582000 JD309 Lon: -48.3468 Lat: 27.3508 Depth: 4418.0239 meters Speed: 21.8756 km/hr (11.8247 knots) Heading: 292.8296 degrees Sonar Depth: 4.9000 m Sonar Altitude: 4413.1239 m Limits: Minimum Longitude: -48.3847 Maximum Longitude: -48.2924 Minimum Latitude: 27.2588 Maximum Latitude: 27.4346 Minimum Sonar Depth: 4.3000 Maximum Sonar Depth: 7.0000 Minimum Altitude: 4413.1239 Maximum Altitude: 4887.2572 Minimum Depth: 3226.9329 Maximum Depth: 4992.6095 Minimum Amplitude: 2.0000 Maximum Amplitude: 247.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 36 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 1 CM: 0 0 0 0 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 0 CM: 0 0 1 1 1 1 1 1 0 0 CM: 0 0 1 1 1 1 1 1 0 0 CM: 0 1 1 1 1 1 1 0 0 0 CM: 1 1 1 1 1 1 0 0 0 0 CM: 1 1 0 0 0 0 0 0 0 0