Swath Data File: 00020206041010.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: 35 Bathymetry Data (140 beams): Number of Beams: 4900 Number of Good Beams: 4760 97.14% Number of Zero Beams: 140 2.86% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 4900 Number of Good Beams: 4760 97.14% Number of Zero Beams: 140 2.86% Number of Flagged Beams: 0 0.00% Sidescan Data (3554 pixels): Number of Pixels: 121700 Number of Good Pixels: 121700 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1596 hours Total Track Length: 3.2369 km Average Speed: 20.2869 km/hr (10.9659 knots) Start of Data: Time: 02 06 2002 04:09:48.167000 JD37 Lon: 154.9684 Lat: -20.0742 Depth: 3170.2414 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 357.7588 degrees Sonar Depth: 6.0000 m Sonar Altitude: 3164.2414 m End of Data: Time: 02 06 2002 04:19:22.567999 JD37 Lon: 154.9673 Lat: -20.0451 Depth: 3172.3192 meters Speed: 20.8162 km/hr (11.2520 knots) Heading: 2.4829 degrees Sonar Depth: 5.7000 m Sonar Altitude: 3165.7502 m Limits: Minimum Longitude: 154.9072 Maximum Longitude: 155.0272 Minimum Latitude: -20.0775 Maximum Latitude: -20.0426 Minimum Sonar Depth: 4.9000 Maximum Sonar Depth: 6.0000 Minimum Altitude: 3159.5272 Maximum Altitude: 3167.2769 Minimum Depth: 3066.1925 Maximum Depth: 3333.1898 Minimum Amplitude: 5.0000 Maximum Amplitude: 238.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 35 MB_DATA_DATA (ID=1): survey data DN: 17 MB_DATA_COMMENT (ID=2): comment DN: 8 MB_DATA_CALIBRATE (ID=4): Hydrosweep DS calibration ping Nonfatal Error Notices: EN: 17 MB_ERROR_COMMENT (ID=-5): Comment record EN: 8 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 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 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 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 1 CM: 1 1 1 1 1 1 0 1 1 1