Swath Data File: 00020203023010.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: 20 Bathymetry Data (140 beams): Number of Beams: 2800 Number of Good Beams: 2720 97.14% Number of Zero Beams: 80 2.86% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 2800 Number of Good Beams: 2720 97.14% Number of Zero Beams: 80 2.86% Number of Flagged Beams: 0 0.00% Sidescan Data (4062 pixels): Number of Pixels: 79245 Number of Good Pixels: 79245 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1594 hours Total Track Length: 3.1416 km Average Speed: 19.7110 km/hr (10.6546 knots) Start of Data: Time: 02 03 2002 02:29:43.986999 JD34 Lon: 153.1649 Lat: -33.2582 Depth: 4864.5662 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 26.3672 degrees Sonar Depth: 5.4000 m Sonar Altitude: 4858.9027 m End of Data: Time: 02 03 2002 02:39:17.764000 JD34 Lon: 153.1770 Lat: -33.2318 Depth: 4858.2973 meters Speed: 20.2274 km/hr (10.9337 knots) Heading: 27.2241 degrees Sonar Depth: 5.7000 m Sonar Altitude: 4852.5973 m Limits: Minimum Longitude: 153.0624 Maximum Longitude: 153.2759 Minimum Latitude: -33.3007 Maximum Latitude: -33.1888 Minimum Sonar Depth: 4.5000 Maximum Sonar Depth: 6.6000 Minimum Altitude: 4849.8651 Maximum Altitude: 4871.1074 Minimum Depth: 4702.9930 Maximum Depth: 5843.1530 Minimum Amplitude: 4.0000 Maximum Amplitude: 243.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 20 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 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: 1 1 1 1 1 1 0 0 0 0 CM: 0 1 1 1 1 1 1 0 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 0 0 1 1 1 CM: 0 0 0 0 0 0 0 0 1 1