Swath Data File: 00031031233010.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: 46 Bathymetry Data (140 beams): Number of Beams: 6440 Number of Good Beams: 6348 98.57% Number of Zero Beams: 92 1.43% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 6440 Number of Good Beams: 6348 98.57% Number of Zero Beams: 92 1.43% Number of Flagged Beams: 0 0.00% Sidescan Data (2138 pixels): Number of Pixels: 91648 Number of Good Pixels: 91648 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1609 hours Total Track Length: 1.3974 km Average Speed: 8.6842 km/hr ( 4.6941 knots) Start of Data: Time: 10 31 2003 23:29:55.774000 JD304 Lon: -44.7886 Lat: 26.2150 Depth: 3893.6165 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 26.3672 degrees Sonar Depth: 6.0000 m Sonar Altitude: 3887.6165 m End of Data: Time: 10 31 2003 23:39:35.054000 JD304 Lon: -44.7830 Lat: 26.2266 Depth: 3841.4700 meters Speed: 8.7606 km/hr ( 4.7355 knots) Heading: 28.4766 degrees Sonar Depth: 6.4000 m Sonar Altitude: 3821.6507 m Limits: Minimum Longitude: -44.8297 Maximum Longitude: -44.7384 Minimum Latitude: 26.1951 Maximum Latitude: 26.2471 Minimum Sonar Depth: 4.3000 Maximum Sonar Depth: 7.6000 Minimum Altitude: 3802.7366 Maximum Altitude: 3978.0000 Minimum Depth: 3630.9534 Maximum Depth: 4285.6359 Minimum Amplitude: 3.0000 Maximum Amplitude: 249.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 46 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 1 0 0 0 0 CM: 0 1 1 1 1 1 1 0 0 0 CM: 0 0 0 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 0 1 1