Swath Data File: 00020205043010.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 (3757 pixels): Number of Pixels: 94432 Number of Good Pixels: 94432 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1650 hours Total Track Length: 3.3393 km Average Speed: 20.2402 km/hr (10.9406 knots) Start of Data: Time: 02 05 2002 04:29:40.200000 JD36 Lon: 154.8139 Lat: -24.5609 Depth: 4376.7005 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 2.8784 degrees Sonar Depth: 5.5000 m Sonar Altitude: 4371.2005 m End of Data: Time: 02 05 2002 04:39:34.146000 JD36 Lon: 154.8154 Lat: -24.5308 Depth: 4406.1874 meters Speed: 20.9259 km/hr (11.3113 knots) Heading: 2.9883 degrees Sonar Depth: 7.5000 m Sonar Altitude: 4398.6874 m Limits: Minimum Longitude: 154.7242 Maximum Longitude: 154.9077 Minimum Latitude: -24.5656 Maximum Latitude: -24.5251 Minimum Sonar Depth: 1.8000 Maximum Sonar Depth: 7.5000 Minimum Altitude: 4370.0847 Maximum Altitude: 4403.8325 Minimum Depth: 3999.8054 Maximum Depth: 5227.5476 Minimum Amplitude: 3.0000 Maximum Amplitude: 246.0000 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: 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 1 0 0 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: 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 1 1 1 1 1