Swath Data File: 00031028180010.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: 36 Bathymetry Data (140 beams): Number of Beams: 5040 Number of Good Beams: 4889 97.00% Number of Zero Beams: 151 3.00% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 5040 Number of Good Beams: 4889 97.00% Number of Zero Beams: 151 3.00% Number of Flagged Beams: 0 0.00% Sidescan Data (3073 pixels): Number of Pixels: 86212 Number of Good Pixels: 86212 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1605 hours Total Track Length: 2.4650 km Average Speed: 15.3573 km/hr ( 8.3012 knots) Start of Data: Time: 10 28 2003 17:59:56.460000 JD301 Lon: -49.7619 Lat: 24.2919 Depth: 4642.9676 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 71.1694 degrees Sonar Depth: 6.4000 m Sonar Altitude: 4632.6343 m End of Data: Time: 10 28 2003 18:09:34.307000 JD301 Lon: -49.7392 Lat: 24.2997 Depth: 4680.1226 meters Speed: 15.3677 km/hr ( 8.3069 knots) Heading: 71.3892 degrees Sonar Depth: 4.6000 m Sonar Altitude: 4675.5226 m Limits: Minimum Longitude: -49.7804 Maximum Longitude: -49.7189 Minimum Latitude: 24.2434 Maximum Latitude: 24.3838 Minimum Sonar Depth: 4.0000 Maximum Sonar Depth: 7.0000 Minimum Altitude: 4405.8464 Maximum Altitude: 4675.5226 Minimum Depth: 4004.8238 Maximum Depth: 5393.5053 Minimum Amplitude: 1.0000 Maximum Amplitude: 243.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 36 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: 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 0 0 0 0 CM: 0 1 1 1 1 1 1 0 0 0 CM: 0 0 1 1 1 1 1 1 0 0 CM: 0 0 0 1 1 1 1 1 1 0 CM: 0 0 0 0 1 1 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 1