Swath Data File: 00020202063010.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: 24 Bathymetry Data (140 beams): Number of Beams: 3360 Number of Good Beams: 3264 97.14% Number of Zero Beams: 96 2.86% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 3360 Number of Good Beams: 3264 97.14% Number of Zero Beams: 96 2.86% Number of Flagged Beams: 0 0.00% Sidescan Data (4065 pixels): Number of Pixels: 92315 Number of Good Pixels: 92315 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1580 hours Total Track Length: 2.6863 km Average Speed: 17.0034 km/hr ( 9.1910 knots) Start of Data: Time: 02 02 2002 06:30:02.440999 JD33 Lon: 151.7147 Lat: -36.3262 Depth: 4861.2672 meters Speed: 13.7140 km/hr ( 7.4130 knots) Heading: 29.2896 degrees Sonar Depth: 5.7000 m Sonar Altitude: 4855.5672 m End of Data: Time: 02 02 2002 06:39:31.195999 JD33 Lon: 151.7259 Lat: -36.3038 Depth: 4868.3782 meters Speed: 17.5685 km/hr ( 9.4965 knots) Heading: 27.9492 degrees Sonar Depth: 5.1000 m Sonar Altitude: 4858.5495 m Limits: Minimum Longitude: 151.6156 Maximum Longitude: 151.8262 Minimum Latitude: -36.3765 Maximum Latitude: -36.2605 Minimum Sonar Depth: 4.2000 Maximum Sonar Depth: 6.9000 Minimum Altitude: 4832.3839 Maximum Altitude: 4859.9709 Minimum Depth: 4479.3230 Maximum Depth: 5146.3751 Minimum Amplitude: 4.0000 Maximum Amplitude: 248.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 24 MB_DATA_DATA (ID=1): survey data DN: 17 MB_DATA_COMMENT (ID=2): comment DN: 6 MB_DATA_CALIBRATE (ID=4): Hydrosweep DS calibration ping Nonfatal Error Notices: EN: 17 MB_ERROR_COMMENT (ID=-5): Comment record EN: 6 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 1 1 0 0 0 0 0 0 0 0 CM: 1 1 1 1 0 0 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 0 1 1 1 1 1 0 0 0 0 CM: 0 0 1 1 1 1 1 0 0 0 CM: 0 0 0 1 1 1 1 1 1 0 CM: 0 0 0 0 0 1 1 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 0 0 1 1 1 CM: 0 0 0 0 0 0 0 0 1 1