Swath Data File: 00031028055010.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: 37 Bathymetry Data (140 beams): Number of Beams: 5180 Number of Good Beams: 5106 98.57% Number of Zero Beams: 74 1.43% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 5180 Number of Good Beams: 5106 98.57% Number of Zero Beams: 74 1.43% Number of Flagged Beams: 0 0.00% Sidescan Data (2251 pixels): Number of Pixels: 78104 Number of Good Pixels: 78104 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1618 hours Total Track Length: 3.3404 km Average Speed: 20.6401 km/hr (11.1568 knots) Start of Data: Time: 10 28 2003 05:49:46.819000 JD301 Lon: -52.0084 Lat: 23.5148 Depth: 4801.5442 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 68.2910 degrees Sonar Depth: 5.7000 m Sonar Altitude: 4795.8442 m End of Data: Time: 10 28 2003 05:59:29.445999 JD301 Lon: -51.9778 Lat: 23.5254 Depth: 5343.9576 meters Speed: 21.0282 km/hr (11.3666 knots) Heading: 66.5332 degrees Sonar Depth: 6.6000 m Sonar Altitude: 5337.3576 m Limits: Minimum Longitude: -52.0298 Maximum Longitude: -51.9505 Minimum Latitude: 23.4554 Maximum Latitude: 23.5783 Minimum Sonar Depth: 4.6000 Maximum Sonar Depth: 7.0000 Minimum Altitude: 4792.2508 Maximum Altitude: 5338.1178 Minimum Depth: 4594.8320 Maximum Depth: 5760.8695 Minimum Amplitude: 1.0000 Maximum Amplitude: 249.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 37 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 1 1 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: 0 1 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 1 1 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 1 1 1 1 1 1 1 CM: 0 0 0 0 1 1 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 1