Swath Data File: 00031028112010.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: 41 Bathymetry Data (140 beams): Number of Beams: 5740 Number of Good Beams: 5657 98.55% Number of Zero Beams: 83 1.45% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 5740 Number of Good Beams: 5657 98.55% Number of Zero Beams: 83 1.45% Number of Flagged Beams: 0 0.00% Sidescan Data (2174 pixels): Number of Pixels: 81282 Number of Good Pixels: 81282 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1623 hours Total Track Length: 3.2928 km Average Speed: 20.2823 km/hr (10.9634 knots) Start of Data: Time: 10 28 2003 11:19:50.144000 JD301 Lon: -50.9511 Lat: 23.8812 Depth: 4590.2104 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 68.7305 degrees Sonar Depth: 6.4000 m Sonar Altitude: 4583.8104 m End of Data: Time: 10 28 2003 11:29:34.595000 JD301 Lon: -50.9209 Lat: 23.8916 Depth: 4576.7080 meters Speed: 20.5859 km/hr (11.1275 knots) Heading: 69.4775 degrees Sonar Depth: 5.2000 m Sonar Altitude: 4569.8148 m Limits: Minimum Longitude: -50.9724 Maximum Longitude: -50.9025 Minimum Latitude: 23.8379 Maximum Latitude: 23.9467 Minimum Sonar Depth: 4.9000 Maximum Sonar Depth: 7.3000 Minimum Altitude: 4554.3491 Maximum Altitude: 4625.5803 Minimum Depth: 4295.9990 Maximum Depth: 5156.3169 Minimum Amplitude: 4.0000 Maximum Amplitude: 247.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 41 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 0 0 0 0 0 CM: 1 1 1 1 1 1 0 0 0 0 CM: 1 1 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 1 1 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 1 1 1 1 1 1 1 CM: 0 0 0 0 1 1 1 1 1 1 CM: 0 0 0 0 1 1 1 1 1 1