Swath Data File: 00020203161010.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: 24 Bathymetry Data (140 beams): Number of Beams: 3360 Number of Good Beams: 3264 97.14% Number of Zero Beams: 96 2.86% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 3360 Number of Good Beams: 3264 97.14% Number of Zero Beams: 96 2.86% Number of Flagged Beams: 0 0.00% Sidescan Data (4024 pixels): Number of Pixels: 92452 Number of Good Pixels: 92452 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1585 hours Total Track Length: 3.0585 km Average Speed: 19.3005 km/hr (10.4327 knots) Start of Data: Time: 02 03 2002 16:09:42.442000 JD34 Lon: 154.2329 Lat: -30.9262 Depth: 4496.0128 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 16.3696 degrees Sonar Depth: 4.5000 m Sonar Altitude: 4470.2193 m End of Data: Time: 02 03 2002 16:19:12.916000 JD34 Lon: 154.2444 Lat: -30.9005 Depth: 4469.0982 meters Speed: 20.0351 km/hr (10.8298 knots) Heading: 20.3247 degrees Sonar Depth: 4.5000 m Sonar Altitude: 4457.0598 m Limits: Minimum Longitude: 154.1365 Maximum Longitude: 154.3353 Minimum Latitude: -30.9521 Maximum Latitude: -30.8712 Minimum Sonar Depth: 4.5000 Maximum Sonar Depth: 4.5000 Minimum Altitude: 4457.0598 Maximum Altitude: 4497.0000 Minimum Depth: 4053.2015 Maximum Depth: 5061.5300 Minimum Amplitude: 5.0000 Maximum Amplitude: 247.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 24 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 0 0 0 0 0 0 0 CM: 1 1 1 1 0 0 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 1 1 1 1 1 1 0 0 0 0 CM: 1 1 1 1 1 1 1 1 0 0 CM: 0 1 1 1 1 1 1 1 1 0 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 1 1 1 1 CM: 0 0 0 0 0 0 0 1 1 1