Swath Data File: 00031104114010.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: 44 Bathymetry Data (140 beams): Number of Beams: 6160 Number of Good Beams: 6053 98.26% Number of Zero Beams: 107 1.74% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 6160 Number of Good Beams: 6053 98.26% Number of Zero Beams: 107 1.74% Number of Flagged Beams: 0 0.00% Sidescan Data (3927 pixels): Number of Pixels: 162538 Number of Good Pixels: 162538 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1637 hours Total Track Length: 2.9174 km Average Speed: 17.8267 km/hr ( 9.6361 knots) Start of Data: Time: 11 04 2003 11:39:47.360000 JD308 Lon: -44.9964 Lat: 26.2392 Depth: 2748.4167 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 263.4521 degrees Sonar Depth: 7.0000 m Sonar Altitude: 2721.4225 m End of Data: Time: 11 04 2003 11:49:36.503000 JD308 Lon: -45.0249 Lat: 26.2359 Depth: 2760.7693 meters Speed: 17.8436 km/hr ( 9.6452 knots) Heading: 260.8154 degrees Sonar Depth: 6.4000 m Sonar Altitude: 2746.5453 m Limits: Minimum Longitude: -45.0467 Maximum Longitude: -44.9893 Minimum Latitude: 26.1821 Maximum Latitude: 26.2842 Minimum Sonar Depth: 4.9000 Maximum Sonar Depth: 7.0000 Minimum Altitude: 2621.7607 Maximum Altitude: 2794.1539 Minimum Depth: 2328.5304 Maximum Depth: 3378.7243 Minimum Amplitude: 1.0000 Maximum Amplitude: 242.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 44 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 1 1 0 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 0 0 1 1 1 1 1 1 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 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 0 1 1 1 1 1