Swath Data File: 00031101054010.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: 5523 98.62% Number of Zero Beams: 77 1.38% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 5600 Number of Good Beams: 5523 98.62% Number of Zero Beams: 77 1.38% Number of Flagged Beams: 0 0.00% Sidescan Data (4064 pixels): Number of Pixels: 96581 Number of Good Pixels: 96581 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1580 hours Total Track Length: 0.3654 km Average Speed: 2.3129 km/hr ( 1.2502 knots) Start of Data: Time: 11 01 2003 05:39:57.103999 JD305 Lon: -44.7329 Lat: 26.3233 Depth: 4040.2955 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 359.1431 degrees Sonar Depth: 6.3000 m Sonar Altitude: 4034.4294 m End of Data: Time: 11 01 2003 05:49:25.837000 JD305 Lon: -44.7349 Lat: 26.3235 Depth: 4061.8114 meters Speed: 1.5242 km/hr ( 0.8239 knots) Heading: 187.3169 degrees Sonar Depth: 5.7000 m Sonar Altitude: 4051.7261 m Limits: Minimum Longitude: -44.8055 Maximum Longitude: -44.6478 Minimum Latitude: 26.2747 Maximum Latitude: 26.3732 Minimum Sonar Depth: 4.6000 Maximum Sonar Depth: 6.6000 Minimum Altitude: 3845.8554 Maximum Altitude: 4051.7261 Minimum Depth: 3271.0858 Maximum Depth: 4498.3684 Minimum Amplitude: 1.0000 Maximum Amplitude: 249.0000 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 1 0 0 0 0 0 CM: 1 1 0 1 1 1 1 0 0 0 CM: 1 1 1 1 1 1 1 1 0 0 CM: 1 1 1 1 1 1 1 1 0 0 CM: 1 1 1 1 1 1 1 1 0 0 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 0 1 1