Swath Data File: 00020201054010.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: 25 Bathymetry Data (140 beams): Number of Beams: 3500 Number of Good Beams: 3400 97.14% Number of Zero Beams: 100 2.86% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 3500 Number of Good Beams: 3400 97.14% Number of Zero Beams: 100 2.86% Number of Flagged Beams: 0 0.00% Sidescan Data (4094 pixels): Number of Pixels: 96384 Number of Good Pixels: 96384 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1599 hours Total Track Length: 3.3444 km Average Speed: 20.9187 km/hr (11.3074 knots) Start of Data: Time: 02 01 2002 05:39:53.524999 JD32 Lon: 149.9232 Lat: -39.9545 Depth: 4244.8194 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 22.8735 degrees Sonar Depth: 5.3000 m Sonar Altitude: 4235.3234 m End of Data: Time: 02 01 2002 05:49:29.080999 JD32 Lon: 149.9375 Lat: -39.9264 Depth: 4253.6770 meters Speed: 21.0658 km/hr (11.3869 knots) Heading: 20.2588 degrees Sonar Depth: 6.0000 m Sonar Altitude: 4243.0133 m Limits: Minimum Longitude: 149.8243 Maximum Longitude: 150.0319 Minimum Latitude: -39.9844 Maximum Latitude: -39.8976 Minimum Sonar Depth: 3.5000 Maximum Sonar Depth: 6.4000 Minimum Altitude: 4230.7877 Maximum Altitude: 4251.6972 Minimum Depth: 3899.2176 Maximum Depth: 4679.6904 Minimum Amplitude: 4.0000 Maximum Amplitude: 248.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 25 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 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 1 0 0 0 CM: 0 1 1 1 1 1 1 1 0 0 CM: 0 0 1 1 1 1 1 1 1 1 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 1 1 1 1 CM: 0 0 0 0 0 0 0 1 1 1