Swath Data File: 00031031172010.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 (3839 pixels): Number of Pixels: 128454 Number of Good Pixels: 128454 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1617 hours Total Track Length: 1.3036 km Average Speed: 8.0599 km/hr ( 4.3567 knots) Start of Data: Time: 10 31 2003 17:19:43.442999 JD304 Lon: -44.8686 Lat: 25.9093 Depth: 3435.0699 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 227.3071 degrees Sonar Depth: 5.7000 m Sonar Altitude: 3424.2959 m End of Data: Time: 10 31 2003 17:29:25.684999 JD304 Lon: -44.8780 Lat: 25.9013 Depth: 3305.7715 meters Speed: 8.2376 km/hr ( 4.4528 knots) Heading: 228.3179 degrees Sonar Depth: 6.3000 m Sonar Altitude: 3289.5633 m Limits: Minimum Longitude: -44.9269 Maximum Longitude: -44.8218 Minimum Latitude: 25.8601 Maximum Latitude: 25.9603 Minimum Sonar Depth: 4.6000 Maximum Sonar Depth: 6.7000 Minimum Altitude: 3289.5633 Maximum Altitude: 3457.5852 Minimum Depth: 2591.5741 Maximum Depth: 4440.1729 Minimum Amplitude: 2.0000 Maximum Amplitude: 250.0000 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 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: 0 1 1 1 1 0 0 0 0 0 CM: 0 0 1 1 1 1 0 0 0 0 CM: 0 0 0 1 1 1 1 0 0 0 CM: 0 0 0 0 1 1 1 1 0 0 CM: 0 0 0 0 0 1 1 1 1 0 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 0 0 1 1 1