Swath Data File: 00020204140010.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: 26 Bathymetry Data (140 beams): Number of Beams: 3640 Number of Good Beams: 3536 97.14% Number of Zero Beams: 104 2.86% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 3640 Number of Good Beams: 3536 97.14% Number of Zero Beams: 104 2.86% Number of Flagged Beams: 0 0.00% Sidescan Data (3987 pixels): Number of Pixels: 100093 Number of Good Pixels: 100093 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1633 hours Total Track Length: 3.2345 km Average Speed: 19.8066 km/hr (10.7062 knots) Start of Data: Time: 02 04 2002 13:59:46.139999 JD35 Lon: 154.6753 Lat: -27.1459 Depth: 4772.6897 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 4.7021 degrees Sonar Depth: 4.5000 m Sonar Altitude: 4768.1897 m End of Data: Time: 02 04 2002 14:09:34.044000 JD35 Lon: 154.6768 Lat: -27.1168 Depth: 4772.5510 meters Speed: 20.2710 km/hr (10.9573 knots) Heading: 10.2832 degrees Sonar Depth: 4.5000 m Sonar Altitude: 4768.0510 m Limits: Minimum Longitude: 154.5704 Maximum Longitude: 154.7772 Minimum Latitude: -27.1597 Maximum Latitude: -27.1003 Minimum Sonar Depth: 4.5000 Maximum Sonar Depth: 4.5000 Minimum Altitude: 4760.1715 Maximum Altitude: 4802.5355 Minimum Depth: 4284.9776 Maximum Depth: 5370.5179 Minimum Amplitude: 5.0000 Maximum Amplitude: 247.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 26 MB_DATA_DATA (ID=1): survey data DN: 17 MB_DATA_COMMENT (ID=2): comment DN: 4 MB_DATA_CALIBRATE (ID=4): Hydrosweep DS calibration ping Nonfatal Error Notices: EN: 17 MB_ERROR_COMMENT (ID=-5): Comment record EN: 4 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 0 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: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 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 1 1 1