Swath Data File: 00031028163010.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: 39 Bathymetry Data (140 beams): Number of Beams: 5460 Number of Good Beams: 5381 98.55% Number of Zero Beams: 79 1.45% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 5460 Number of Good Beams: 5381 98.55% Number of Zero Beams: 79 1.45% Number of Flagged Beams: 0 0.00% Sidescan Data (2128 pixels): Number of Pixels: 77421 Number of Good Pixels: 77421 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: 2.8223 km Average Speed: 17.4158 km/hr ( 9.4139 knots) Start of Data: Time: 10 28 2003 16:29:45.161000 JD301 Lon: -50.0044 Lat: 24.2083 Depth: 5051.5608 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 70.4443 degrees Sonar Depth: 5.8000 m Sonar Altitude: 5044.3074 m End of Data: Time: 10 28 2003 16:39:28.547000 JD301 Lon: -49.9784 Lat: 24.2172 Depth: 5166.0405 meters Speed: 17.8166 km/hr ( 9.6306 knots) Heading: 69.4995 degrees Sonar Depth: 4.3000 m Sonar Altitude: 5160.9454 m Limits: Minimum Longitude: -50.0246 Maximum Longitude: -49.9569 Minimum Latitude: 24.1551 Maximum Latitude: 24.2680 Minimum Sonar Depth: 3.9000 Maximum Sonar Depth: 7.0000 Minimum Altitude: 4945.6896 Maximum Altitude: 5160.9454 Minimum Depth: 4133.2755 Maximum Depth: 5435.0077 Minimum Amplitude: 5.0000 Maximum Amplitude: 244.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 39 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 1 0 0 0 0 0 CM: 1 1 1 1 1 1 0 0 0 0 CM: 1 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 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