Swath Data File: 00020204151010.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 (4010 pixels): Number of Pixels: 94539 Number of Good Pixels: 94539 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1520 hours Total Track Length: 2.9800 km Average Speed: 19.6063 km/hr (10.5980 knots) Start of Data: Time: 02 04 2002 15:09:52.307999 JD35 Lon: 154.6868 Lat: -26.9327 Depth: 4758.3325 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 5.7568 degrees Sonar Depth: 4.5000 m Sonar Altitude: 4753.8325 m End of Data: Time: 02 04 2002 15:18:59.478000 JD35 Lon: 154.6883 Lat: -26.9059 Depth: 4752.5816 meters Speed: 21.1458 km/hr (11.4301 knots) Heading: 5.7129 degrees Sonar Depth: 4.5000 m Sonar Altitude: 4748.0816 m Limits: Minimum Longitude: 154.5831 Maximum Longitude: 154.7884 Minimum Latitude: -26.9500 Maximum Latitude: -26.8912 Minimum Sonar Depth: 4.5000 Maximum Sonar Depth: 4.5000 Minimum Altitude: 4748.0816 Maximum Altitude: 4772.4814 Minimum Depth: 4444.9326 Maximum Depth: 5389.4831 Minimum Amplitude: 5.0000 Maximum Amplitude: 247.0000 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: 5 MB_DATA_CALIBRATE (ID=4): Hydrosweep DS calibration ping Nonfatal Error Notices: EN: 17 MB_ERROR_COMMENT (ID=-5): Comment record EN: 5 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 1 1 0 0 0 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: 0 1 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 0 1 1 1 1 CM: 0 0 0 0 0 0 0 0 1 1