Swath Data File: 00031029072010.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: 44 Bathymetry Data (140 beams): Number of Beams: 6160 Number of Good Beams: 6076 98.64% Number of Zero Beams: 84 1.36% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 6160 Number of Good Beams: 6076 98.64% Number of Zero Beams: 84 1.36% Number of Flagged Beams: 0 0.00% Sidescan Data (4094 pixels): Number of Pixels: 103912 Number of Good Pixels: 103912 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1647 hours Total Track Length: 2.5850 km Average Speed: 15.6941 km/hr ( 8.4833 knots) Start of Data: Time: 10 29 2003 07:19:44.562999 JD302 Lon: -47.8755 Lat: 24.9407 Depth: 3798.1539 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 74.0479 degrees Sonar Depth: 7.0000 m Sonar Altitude: 3775.7787 m End of Data: Time: 10 29 2003 07:29:37.529000 JD302 Lon: -47.8515 Lat: 24.9489 Depth: 3999.8311 meters Speed: 16.1190 km/hr ( 8.7130 knots) Heading: 71.8945 degrees Sonar Depth: 6.4000 m Sonar Altitude: 3985.5764 m Limits: Minimum Longitude: -47.9000 Maximum Longitude: -47.8350 Minimum Latitude: 24.8684 Maximum Latitude: 25.0130 Minimum Sonar Depth: 3.9000 Maximum Sonar Depth: 7.0000 Minimum Altitude: 3742.6057 Maximum Altitude: 4017.5662 Minimum Depth: 3115.6730 Maximum Depth: 4584.7633 Minimum Amplitude: 1.0000 Maximum Amplitude: 247.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 44 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 0 1 1 0 0 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 0 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 0 1 1 1 1 1 CM: 0 0 0 0 0 1 1 0 0 0 CM: 0 0 0 0 0 0 1 1 0 0