Swath Data File: 00020212143010.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: 5304 97.14% Number of Zero Beams: 156 2.86% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 5460 Number of Good Beams: 5304 97.14% Number of Zero Beams: 156 2.86% Number of Flagged Beams: 0 0.00% Sidescan Data (3704 pixels): Number of Pixels: 130828 Number of Good Pixels: 130828 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1626 hours Total Track Length: 3.4867 km Average Speed: 21.4376 km/hr (11.5879 knots) Start of Data: Time: 02 12 2002 14:29:50.728000 JD43 Lon: 146.6107 Lat: 7.3758 Depth: 2686.2603 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 342.5537 degrees Sonar Depth: 5.9000 m Sonar Altitude: 2680.3458 m End of Data: Time: 02 12 2002 14:39:36.248999 JD43 Lon: 146.5996 Lat: 7.4053 Depth: 2636.7744 meters Speed: 25.5876 km/hr (13.8311 knots) Heading: 339.3237 degrees Sonar Depth: 5.5000 m Sonar Altitude: 2629.4643 m Limits: Minimum Longitude: 146.5568 Maximum Longitude: 146.6540 Minimum Latitude: 7.3608 Maximum Latitude: 7.4212 Minimum Sonar Depth: 4.9000 Maximum Sonar Depth: 6.4000 Minimum Altitude: 2626.8816 Maximum Altitude: 2680.3458 Minimum Depth: 2453.8875 Maximum Depth: 2691.3565 Minimum Amplitude: 11.0000 Maximum Amplitude: 249.0000 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 DN: 10 MB_DATA_CALIBRATE (ID=4): Hydrosweep DS calibration ping Nonfatal Error Notices: EN: 17 MB_ERROR_COMMENT (ID=-5): Comment record EN: 10 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 0 0 0 0 0 0 0 1 1 0 CM: 0 0 0 0 0 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 1 1 1 0 0 0 0 0 0 0