Swath Data File: 00031028052010.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: 5520 98.57% Number of Zero Beams: 80 1.43% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 5600 Number of Good Beams: 5520 98.57% Number of Zero Beams: 80 1.43% Number of Flagged Beams: 0 0.00% Sidescan Data (1954 pixels): Number of Pixels: 75620 Number of Good Pixels: 75620 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1627 hours Total Track Length: 3.2729 km Average Speed: 20.1156 km/hr (10.8733 knots) Start of Data: Time: 10 28 2003 05:19:43.213999 JD301 Lon: -52.1042 Lat: 23.4817 Depth: 4952.1655 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 69.3237 degrees Sonar Depth: 6.0000 m Sonar Altitude: 4942.0127 m End of Data: Time: 10 28 2003 05:29:28.942999 JD301 Lon: -52.0742 Lat: 23.4920 Depth: 4852.8569 meters Speed: 20.7001 km/hr (11.1892 knots) Heading: 67.5659 degrees Sonar Depth: 4.9000 m Sonar Altitude: 4847.9569 m Limits: Minimum Longitude: -52.1232 Maximum Longitude: -52.0537 Minimum Latitude: 23.4273 Maximum Latitude: 23.5426 Minimum Sonar Depth: 4.9000 Maximum Sonar Depth: 6.7000 Minimum Altitude: 4842.2302 Maximum Altitude: 5069.7153 Minimum Depth: 4537.6946 Maximum Depth: 5249.5129 Minimum Amplitude: 2.0000 Maximum Amplitude: 248.0000 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 1 1 1 0 0 0 0 0 CM: 1 1 1 1 1 1 0 0 0 0 CM: 1 1 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 1 1 0 0 CM: 0 0 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 1 CM: 0 0 0 0 1 1 1 1 1 1 CM: 0 0 0 0 0 1 1 1 0 0