Swath Data File: 00031025051010.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: 52 Bathymetry Data (140 beams): Number of Beams: 7280 Number of Good Beams: 7164 98.41% Number of Zero Beams: 116 1.59% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 7280 Number of Good Beams: 7164 98.41% Number of Zero Beams: 116 1.59% Number of Flagged Beams: 0 0.00% Sidescan Data (4094 pixels): Number of Pixels: 193141 Number of Good Pixels: 193141 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1634 hours Total Track Length: 3.3021 km Average Speed: 20.2085 km/hr (10.9235 knots) Start of Data: Time: 10 25 2003 05:09:50.976999 JD298 Lon: -65.3410 Lat: 18.8139 Depth: 2153.9007 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 72.5317 degrees Sonar Depth: 6.1000 m Sonar Altitude: 2147.8007 m End of Data: Time: 10 25 2003 05:19:39.225000 JD298 Lon: -65.3119 Lat: 18.8248 Depth: 2243.3773 meters Speed: 20.4559 km/hr (11.0572 knots) Heading: 71.8945 degrees Sonar Depth: 5.5000 m Sonar Altitude: 2237.8773 m Limits: Minimum Longitude: -65.3541 Maximum Longitude: -65.2994 Minimum Latitude: 18.7755 Maximum Latitude: 18.8661 Minimum Sonar Depth: 5.2000 Maximum Sonar Depth: 6.4000 Minimum Altitude: 2140.6191 Maximum Altitude: 2294.0114 Minimum Depth: 1856.8918 Maximum Depth: 2481.6268 Minimum Amplitude: 2.0000 Maximum Amplitude: 249.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 52 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 1 0 0 0 0 CM: 1 1 1 1 1 1 1 0 0 0 CM: 1 1 1 1 1 1 1 0 0 0 CM: 1 1 1 1 1 1 1 1 0 0 CM: 0 1 1 1 1 1 1 1 0 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 0 0 1 1 1 1 1 0