Swath Data File: 00020205083010.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: 4216 97.14% Number of Zero Beams: 124 2.86% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 4340 Number of Good Beams: 4216 97.14% Number of Zero Beams: 124 2.86% Number of Flagged Beams: 0 0.00% Sidescan Data (3803 pixels): Number of Pixels: 112301 Number of Good Pixels: 112301 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1658 hours Total Track Length: 3.4904 km Average Speed: 21.0553 km/hr (11.3813 knots) Start of Data: Time: 02 05 2002 08:29:44.190000 JD36 Lon: 154.8557 Lat: -23.7699 Depth: 3722.7528 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 6.8555 degrees Sonar Depth: 5.1000 m Sonar Altitude: 3715.4005 m End of Data: Time: 02 05 2002 08:39:40.973999 JD36 Lon: 154.8573 Lat: -23.7385 Depth: 3690.4709 meters Speed: 21.5997 km/hr (11.6755 knots) Heading: 6.5039 degrees Sonar Depth: 5.7000 m Sonar Altitude: 3682.1301 m Limits: Minimum Longitude: 154.7814 Maximum Longitude: 154.9284 Minimum Latitude: -23.7777 Maximum Latitude: -23.7313 Minimum Sonar Depth: 5.1000 Maximum Sonar Depth: 6.2000 Minimum Altitude: 3682.1301 Maximum Altitude: 3716.0947 Minimum Depth: 3535.5938 Maximum Depth: 3891.0719 Minimum Amplitude: 3.0000 Maximum Amplitude: 244.0000 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: 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 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