Swath Data File: 00031104214010.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: 38 Bathymetry Data (140 beams): Number of Beams: 5320 Number of Good Beams: 5239 98.48% Number of Zero Beams: 81 1.52% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 5320 Number of Good Beams: 5239 98.48% Number of Zero Beams: 81 1.52% Number of Flagged Beams: 0 0.00% Sidescan Data (3751 pixels): Number of Pixels: 133310 Number of Good Pixels: 133310 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1622 hours Total Track Length: 3.0163 km Average Speed: 18.6003 km/hr (10.0542 knots) Start of Data: Time: 11 04 2003 21:39:56.167000 JD308 Lon: -44.5926 Lat: 25.9920 Depth: 3480.7810 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 109.8413 degrees Sonar Depth: 5.5000 m Sonar Altitude: 3475.2810 m End of Data: Time: 11 04 2003 21:49:39.958999 JD308 Lon: -44.5643 Lat: 25.9827 Depth: 3794.4259 meters Speed: 18.6358 km/hr (10.0734 knots) Heading: 108.7866 degrees Sonar Depth: 5.2000 m Sonar Altitude: 3777.6494 m Limits: Minimum Longitude: -44.6148 Maximum Longitude: -44.5382 Minimum Latitude: 25.9257 Maximum Latitude: 26.0542 Minimum Sonar Depth: 4.6000 Maximum Sonar Depth: 7.0000 Minimum Altitude: 3475.2810 Maximum Altitude: 3821.1526 Minimum Depth: 3071.4444 Maximum Depth: 3949.6234 Minimum Amplitude: 1.0000 Maximum Amplitude: 249.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 38 MB_DATA_DATA (ID=1): survey data DN: 17 MB_DATA_COMMENT (ID=2): comment Nonfatal Error Notices: EN: 17 MB_ERROR_COMMENT (ID=-5): Comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 0 0 0 0 0 1 1 1 1 1 CM: 0 0 0 0 1 1 1 1 1 1 CM: 0 0 0 0 1 1 1 1 1 0 CM: 0 0 0 1 1 1 1 1 1 0 CM: 0 0 1 1 1 1 1 1 0 0 CM: 0 0 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 1 0 0 0 CM: 1 1 1 1 1 1 0 0 0 0 CM: 1 1 1 1 1 1 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0