Swath Data File: 00031030121010.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: 44 Bathymetry Data (140 beams): Number of Beams: 6160 Number of Good Beams: 5720 92.86% Number of Zero Beams: 440 7.14% Number of Flagged Beams: 0 0.00% Amplitude Data (140 beams): Number of Beams: 6160 Number of Good Beams: 5720 92.86% Number of Zero Beams: 440 7.14% Number of Flagged Beams: 0 0.00% Sidescan Data (2667 pixels): Number of Pixels: 85739 Number of Good Pixels: 85739 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: 0.1144 km Average Speed: 0.7031 km/hr ( 0.3800 knots) Start of Data: Time: 10 30 2003 12:09:53.870000 JD303 Lon: -44.8575 Lat: 26.0717 Depth: 4108.2423 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 83.0786 degrees Sonar Depth: 5.2000 m Sonar Altitude: 4103.0423 m End of Data: Time: 10 30 2003 12:19:39.631999 JD303 Lon: -44.8567 Lat: 26.0719 Depth: 4116.2068 meters Speed: 0.5004 km/hr ( 0.2705 knots) Heading: 81.8042 degrees Sonar Depth: 6.1000 m Sonar Altitude: 4101.1596 m Limits: Minimum Longitude: -44.8700 Maximum Longitude: -44.8438 Minimum Latitude: 26.0052 Maximum Latitude: 26.1337 Minimum Sonar Depth: 4.3000 Maximum Sonar Depth: 7.0000 Minimum Altitude: 3471.8116 Maximum Altitude: 5045.0318 Minimum Depth: 3363.4541 Maximum Depth: 5050.2318 Minimum Amplitude: 0.0000 Maximum Amplitude: 249.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 255.0000 Data Record Type Notices: DN: 44 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 0 0 0 0 0 0 0 CM: 1 1 1 1 0 0 0 0 0 0 CM: 0 1 1 1 0 0 0 0 0 0 CM: 0 0 1 1 1 0 0 0 0 0 CM: 0 0 0 1 1 1 0 0 0 0 CM: 0 0 0 0 1 1 1 0 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 1 1 1 1 CM: 0 0 0 0 0 0 0 0 1 1