Swath Data File: 00020204031010.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: 31 Bathymetry Data (140 beams): Number of Beams: 4340 Number of Good Beams: 4100 94.47% Number of Zero Beams: 240 5.53% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 4340 Number of Good Beams: 4100 94.47% Number of Zero Beams: 240 5.53% Number of Flagged Beams: 0 0.00% Sidescan Data (3989 pixels): Number of Pixels: 115798 Number of Good Pixels: 115798 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1621 hours Total Track Length: 3.3233 km Average Speed: 20.5007 km/hr (11.0814 knots) Start of Data: Time: 02 04 2002 03:09:46.985000 JD35 Lon: 154.5712 Lat: -29.0410 Depth: 4477.4656 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 6.4160 degrees Sonar Depth: 4.5000 m Sonar Altitude: 4466.6118 m End of Data: Time: 02 04 2002 03:19:30.565999 JD35 Lon: 154.5701 Lat: -29.0110 Depth: 4477.3416 meters Speed: 20.9501 km/hr (11.3244 knots) Heading: 7.4048 degrees Sonar Depth: 4.5000 m Sonar Altitude: 4472.8416 m Limits: Minimum Longitude: 154.4718 Maximum Longitude: 154.6678 Minimum Latitude: -29.0499 Maximum Latitude: -29.0012 Minimum Sonar Depth: 4.5000 Maximum Sonar Depth: 4.5000 Minimum Altitude: 4456.0286 Maximum Altitude: 4497.8616 Minimum Depth: 3975.2058 Maximum Depth: 5003.4955 Minimum Amplitude: 4.0000 Maximum Amplitude: 249.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 31 MB_DATA_DATA (ID=1): survey data DN: 17 MB_DATA_COMMENT (ID=2): comment DN: 2 MB_DATA_CALIBRATE (ID=4): Hydrosweep DS calibration ping Nonfatal Error Notices: EN: 17 MB_ERROR_COMMENT (ID=-5): Comment record EN: 2 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 0 0 0 0 0 0 0 CM: 1 1 1 1 1 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 0 1 1 1 1 1 1 CM: 0 0 0 0 0 0 0 1 1 1