Swath Data File: 00020203184010.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: 25 Bathymetry Data (140 beams): Number of Beams: 3500 Number of Good Beams: 3400 97.14% Number of Zero Beams: 100 2.86% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 3500 Number of Good Beams: 3400 97.14% Number of Zero Beams: 100 2.86% Number of Flagged Beams: 0 0.00% Sidescan Data (4074 pixels): Number of Pixels: 97066 Number of Good Pixels: 97066 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1478 hours Total Track Length: 2.7213 km Average Speed: 18.4108 km/hr ( 9.9518 knots) Start of Data: Time: 02 03 2002 18:40:12.588999 JD34 Lon: 154.4131 Lat: -30.5271 Depth: 4461.3138 meters Speed: 17.9738 km/hr ( 9.7156 knots) Heading: 18.0835 degrees Sonar Depth: 4.5000 m Sonar Altitude: 4456.8138 m End of Data: Time: 02 03 2002 18:49:04.700000 JD34 Lon: 154.4232 Lat: -30.5042 Depth: 4472.6551 meters Speed: 18.3882 km/hr ( 9.9396 knots) Heading: 19.0063 degrees Sonar Depth: 4.5000 m Sonar Altitude: 4468.1551 m Limits: Minimum Longitude: 154.3178 Maximum Longitude: 154.5147 Minimum Latitude: -30.5518 Maximum Latitude: -30.4760 Minimum Sonar Depth: 4.5000 Maximum Sonar Depth: 4.5000 Minimum Altitude: 4456.8138 Maximum Altitude: 4500.2215 Minimum Depth: 4173.4815 Maximum Depth: 5041.7751 Minimum Amplitude: 4.0000 Maximum Amplitude: 248.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 25 MB_DATA_DATA (ID=1): survey data DN: 17 MB_DATA_COMMENT (ID=2): comment DN: 5 MB_DATA_CALIBRATE (ID=4): Hydrosweep DS calibration ping Nonfatal Error Notices: EN: 17 MB_ERROR_COMMENT (ID=-5): Comment record EN: 5 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 1 1 0 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 0 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