Swath Data File: 00031105174010.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: 32 Bathymetry Data (140 beams): Number of Beams: 4480 Number of Good Beams: 4410 98.44% Number of Zero Beams: 70 1.56% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 4480 Number of Good Beams: 4410 98.44% Number of Zero Beams: 70 1.56% Number of Flagged Beams: 0 0.00% Sidescan Data (3790 pixels): Number of Pixels: 115403 Number of Good Pixels: 115403 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1592 hours Total Track Length: 3.3014 km Average Speed: 20.7349 km/hr (11.2081 knots) Start of Data: Time: 11 05 2003 17:39:54.730000 JD309 Lon: -48.1455 Lat: 27.2868 Depth: 4637.8758 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 291.9287 degrees Sonar Depth: 5.2000 m Sonar Altitude: 4632.3975 m End of Data: Time: 11 05 2003 17:49:27.919999 JD309 Lon: -48.1768 Lat: 27.2969 Depth: 4713.8874 meters Speed: 20.9557 km/hr (11.3274 knots) Heading: 291.4014 degrees Sonar Depth: 5.5000 m Sonar Altitude: 4708.3874 m Limits: Minimum Longitude: -48.2121 Maximum Longitude: -48.1118 Minimum Latitude: 27.2106 Maximum Latitude: 27.3707 Minimum Sonar Depth: 4.6000 Maximum Sonar Depth: 6.7000 Minimum Altitude: 4517.4734 Maximum Altitude: 4708.3874 Minimum Depth: 4010.4420 Maximum Depth: 5219.6606 Minimum Amplitude: 2.0000 Maximum Amplitude: 235.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 32 MB_DATA_DATA (ID=1): survey data DN: 17 MB_DATA_COMMENT (ID=2): comment Nonfatal Error Notices: EN: 17 MB_ERROR_COMMENT (ID=-5): Comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 1 CM: 0 0 0 0 1 1 1 1 1 0 CM: 0 0 0 1 1 1 1 1 1 0 CM: 0 0 0 1 1 1 1 1 0 0 CM: 0 0 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 1 1 1 1 0 0 0 0 0 0