Swath Data File: 00031028192010.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: 39 Bathymetry Data (140 beams): Number of Beams: 5460 Number of Good Beams: 5371 98.37% Number of Zero Beams: 89 1.63% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 5460 Number of Good Beams: 5371 98.37% Number of Zero Beams: 89 1.63% Number of Flagged Beams: 0 0.00% Sidescan Data (2326 pixels): Number of Pixels: 80990 Number of Good Pixels: 80990 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1634 hours Total Track Length: 2.1954 km Average Speed: 13.4394 km/hr ( 7.2645 knots) Start of Data: Time: 10 28 2003 19:19:53.340000 JD301 Lon: -49.5883 Lat: 24.3517 Depth: 4487.8780 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 69.5435 degrees Sonar Depth: 5.8000 m Sonar Altitude: 4482.0780 m End of Data: Time: 10 28 2003 19:29:41.422000 JD301 Lon: -49.5680 Lat: 24.3587 Depth: 4957.9298 meters Speed: 13.7140 km/hr ( 7.4130 knots) Heading: 69.9609 degrees Sonar Depth: 6.7000 m Sonar Altitude: 4951.2298 m Limits: Minimum Longitude: -49.6098 Maximum Longitude: -49.5482 Minimum Latitude: 24.3011 Maximum Latitude: 24.4241 Minimum Sonar Depth: 3.7000 Maximum Sonar Depth: 7.6000 Minimum Altitude: 4461.7098 Maximum Altitude: 4961.8380 Minimum Depth: 4223.7454 Maximum Depth: 5345.9794 Minimum Amplitude: 0.0000 Maximum Amplitude: 250.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 39 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 0 0 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 0 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 0 CM: 0 0 0 0 0 1 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 1