Swath Data File: 00031027123010.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: 35 Bathymetry Data (140 beams): Number of Beams: 4900 Number of Good Beams: 4830 98.57% Number of Zero Beams: 70 1.43% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 4900 Number of Good Beams: 4830 98.57% Number of Zero Beams: 70 1.43% Number of Flagged Beams: 0 0.00% Sidescan Data (2570 pixels): Number of Pixels: 72419 Number of Good Pixels: 72419 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: 3.3268 km Average Speed: 20.5622 km/hr (11.1147 knots) Start of Data: Time: 10 27 2003 12:29:48.825000 JD300 Lon: -55.2795 Lat: 22.3750 Depth: 5386.1824 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 69.1479 degrees Sonar Depth: 5.5000 m Sonar Altitude: 5373.2761 m End of Data: Time: 10 27 2003 12:39:31.281999 JD300 Lon: -55.2493 Lat: 22.3857 Depth: 5576.2558 meters Speed: 20.9667 km/hr (11.3333 knots) Heading: 71.5869 degrees Sonar Depth: 5.5000 m Sonar Altitude: 5570.7558 m Limits: Minimum Longitude: -55.3056 Maximum Longitude: -55.2284 Minimum Latitude: 22.2949 Maximum Latitude: 22.4425 Minimum Sonar Depth: 4.9000 Maximum Sonar Depth: 7.3000 Minimum Altitude: 5329.4223 Maximum Altitude: 5651.1277 Minimum Depth: 5013.1453 Maximum Depth: 6973.3007 Minimum Amplitude: 3.0000 Maximum Amplitude: 248.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 35 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 1 0 0 0 0 CM: 1 1 1 1 1 1 1 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 1 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 CM: 0 0 0 0 0 0 1 1 1 0 CM: 0 0 0 0 0 0 0 1 1 0