Swath Data File: 00031029084010.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: 47 Bathymetry Data (140 beams): Number of Beams: 6580 Number of Good Beams: 6486 98.57% Number of Zero Beams: 94 1.43% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 6580 Number of Good Beams: 6486 98.57% Number of Zero Beams: 94 1.43% Number of Flagged Beams: 0 0.00% Sidescan Data (1986 pixels): Number of Pixels: 85416 Number of Good Pixels: 85416 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1637 hours Total Track Length: 2.6292 km Average Speed: 16.0609 km/hr ( 8.6816 knots) Start of Data: Time: 10 29 2003 08:39:48.475000 JD302 Lon: -47.6789 Lat: 25.0080 Depth: 3933.5180 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 72.7075 degrees Sonar Depth: 6.1000 m Sonar Altitude: 3927.4180 m End of Data: Time: 10 29 2003 08:49:37.789000 JD302 Lon: -47.6546 Lat: 25.0164 Depth: 3943.9473 meters Speed: 16.4361 km/hr ( 8.8844 knots) Heading: 72.2021 degrees Sonar Depth: 5.5000 m Sonar Altitude: 3938.4473 m Limits: Minimum Longitude: -47.6914 Maximum Longitude: -47.6399 Minimum Latitude: 24.9651 Maximum Latitude: 25.0596 Minimum Sonar Depth: 3.7000 Maximum Sonar Depth: 7.3000 Minimum Altitude: 3884.1891 Maximum Altitude: 3987.0235 Minimum Depth: 3300.1438 Maximum Depth: 4215.0815 Minimum Amplitude: 1.0000 Maximum Amplitude: 245.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 47 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 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 1 0 0 0 CM: 1 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 1 0 CM: 0 0 1 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