Swath Data File: 00031103033010.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: 40 Bathymetry Data (140 beams): Number of Beams: 5600 Number of Good Beams: 5521 98.59% Number of Zero Beams: 79 1.41% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 5600 Number of Good Beams: 5521 98.59% Number of Zero Beams: 79 1.41% Number of Flagged Beams: 0 0.00% Sidescan Data (3734 pixels): Number of Pixels: 130739 Number of Good Pixels: 130739 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1619 hours Total Track Length: 1.3109 km Average Speed: 8.0984 km/hr ( 4.3775 knots) Start of Data: Time: 11 03 2003 03:29:45.817000 JD307 Lon: -44.8403 Lat: 26.1858 Depth: 3708.0165 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 196.5674 degrees Sonar Depth: 5.7000 m Sonar Altitude: 3702.3165 m End of Data: Time: 11 03 2003 03:39:28.569000 JD307 Lon: -44.8455 Lat: 26.1749 Depth: 3698.4890 meters Speed: 8.2821 km/hr ( 4.4768 knots) Heading: 196.7212 degrees Sonar Depth: 5.7000 m Sonar Altitude: 3692.7890 m Limits: Minimum Longitude: -44.9075 Maximum Longitude: -44.7644 Minimum Latitude: 26.1573 Maximum Latitude: 26.2032 Minimum Sonar Depth: 4.9000 Maximum Sonar Depth: 6.7000 Minimum Altitude: 3675.4040 Maximum Altitude: 3743.2276 Minimum Depth: 3063.3590 Maximum Depth: 3821.4673 Minimum Amplitude: 1.0000 Maximum Amplitude: 250.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 40 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 0 0 0 0 0 0 0 0 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: 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 0 1 1 1 1 1 0 CM: 0 0 0 0 0 1 1 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 0 0 1 1 1