Swath Data File: 00031031100010.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: 43 Bathymetry Data (140 beams): Number of Beams: 6020 Number of Good Beams: 5913 98.22% Number of Zero Beams: 107 1.78% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 6020 Number of Good Beams: 5913 98.22% Number of Zero Beams: 107 1.78% Number of Flagged Beams: 0 0.00% Sidescan Data (3754 pixels): Number of Pixels: 144495 Number of Good Pixels: 144495 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1635 hours Total Track Length: 1.2078 km Average Speed: 7.3862 km/hr ( 3.9926 knots) Start of Data: Time: 10 31 2003 09:59:51.310999 JD304 Lon: -44.9967 Lat: 26.2081 Depth: 2934.9145 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 106.0840 degrees Sonar Depth: 5.5000 m Sonar Altitude: 2929.4145 m End of Data: Time: 10 31 2003 10:09:39.963000 JD304 Lon: -44.9855 Lat: 26.2041 Depth: 2661.2139 meters Speed: 7.4720 km/hr ( 4.0389 knots) Heading: 105.2930 degrees Sonar Depth: 4.6000 m Sonar Altitude: 2598.1892 m Limits: Minimum Longitude: -45.0147 Maximum Longitude: -44.9734 Minimum Latitude: 26.1484 Maximum Latitude: 26.2504 Minimum Sonar Depth: 4.0000 Maximum Sonar Depth: 7.0000 Minimum Altitude: 2573.0573 Maximum Altitude: 2929.4145 Minimum Depth: 2078.2905 Maximum Depth: 3558.7599 Minimum Amplitude: 1.0000 Maximum Amplitude: 248.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 43 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: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 0 CM: 0 0 0 0 1 1 1 1 1 0 CM: 0 0 0 1 1 1 1 1 0 0 CM: 0 0 1 1 1 1 1 0 0 0 CM: 0 0 1 1 1 1 0 0 0 0 CM: 0 1 1 1 1 1 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 1 1 1 1 0 0 0 0 0 0