Swath Data File: 00020204023010.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 (3952 pixels): Number of Pixels: 98079 Number of Good Pixels: 98079 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1639 hours Total Track Length: 3.4126 km Average Speed: 20.8248 km/hr (11.2567 knots) Start of Data: Time: 02 04 2002 02:29:42.381999 JD35 Lon: 154.5647 Lat: -29.1686 Depth: 4594.6606 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 7.8882 degrees Sonar Depth: 4.5000 m Sonar Altitude: 4590.1606 m End of Data: Time: 02 04 2002 02:39:32.320999 JD35 Lon: 154.5670 Lat: -29.1379 Depth: 4553.9236 meters Speed: 21.3050 km/hr (11.5162 knots) Heading: 1.8018 degrees Sonar Depth: 4.5000 m Sonar Altitude: 4548.5586 m Limits: Minimum Longitude: 154.4624 Maximum Longitude: 154.6673 Minimum Latitude: -29.1811 Maximum Latitude: -29.1307 Minimum Sonar Depth: 4.5000 Maximum Sonar Depth: 4.5000 Minimum Altitude: 4548.5586 Maximum Altitude: 4595.7850 Minimum Depth: 4054.1215 Maximum Depth: 5278.6080 Minimum Amplitude: 4.0000 Maximum Amplitude: 244.0000 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 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: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 1 CM: 0 0 0 0 0 0 0 1 1 1