Swath Data File: wgom2.0383.0.em1000.mb51 MBIO Data Format ID: 51 Format name: MBF_EMOLDRAW Informal Description: Old Simrad vendor multibeam format Attributes: Simrad EM1000, EM12S, EM12D, and EM121 multibeam sonars, bathymetry, amplitude, and sidescan, 60 beams for EM1000, 81 beams for EM12S/D, 121 beams for EM121, variable pixels, ascii + binary, Simrad. Data Totals: Number of Records: 4833 Bathymetry Data (121 beams): Number of Beams: 584793 Number of Good Beams: 287293 49.13% Number of Zero Beams: 297500 50.87% Number of Flagged Beams: 0 0.00% Amplitude Data (121 beams): Number of Beams: 584793 Number of Good Beams: 287293 49.13% Number of Zero Beams: 297500 50.87% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 4948992 Number of Good Pixels: 3738754 75.55% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 1210238 24.45% Navigation Totals: Total Time: 0.6700 hours Total Track Length: 11.4552 km Average Speed: 17.0981 km/hr ( 9.2422 knots) Start of Data: Time: 06 26 2002 18:56:06.880000 JD177 (2002-06-26T18:56:06.880000) Lon: -93.419658333 Lat: 28.155616667 Depth: 69.2800 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 266.3000 degrees Sonar Depth: -0.0300 m Sonar Altitude: 69.3100 m End of Data: Time: 06 26 2002 19:36:18.780000 JD177 (2002-06-26T19:36:18.780000) Lon: -93.535921333 Lat: 28.156116667 Depth: 67.9200 meters Speed: 17.7026 km/hr ( 9.5690 knots) Heading: 267.8000 degrees Sonar Depth: -0.0300 m Sonar Altitude: 67.9500 m Limits: Minimum Longitude: -93.536004538 Maximum Longitude: -93.419580333 Minimum Latitude: 28.144419330 Maximum Latitude: 28.158186530 Minimum Sonar Depth: -1.1200 Maximum Sonar Depth: 0.8500 Minimum Altitude: -0.0800 Maximum Altitude: 80.5100 Minimum Depth: 7.8000 Maximum Depth: 1216.3800 Minimum Amplitude: -56.0000 Maximum Amplitude: 0.0000 Minimum Sidescan: -64.0000 Maximum Sidescan: -6.0000 Data Record Type Notices: DN: 4833 MB_DATA_DATA (ID=1): survey data DN: 1 MB_DATA_VELOCITY_PROFILE (ID=6): SVP DN: 5242 MB_DATA_NAV (ID=12): Navigation record Nonfatal Error Notices: EN: 5243 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 0 1 1 0 1 1 0 0 0 CM: 0 0 0 0 0 0 0 0 0 0 CM: 0 0 0 0 0 0 0 0 0 0 CM: 0 0 0 0 0 0 0 0 0 0 CM: 0 0 0 0 0 0 0 0 0 0 CM: 0 0 0 0 0 0 0 0 0 0 CM: 0 0 1 0 0 0 0 0 0 0