Swath Data File: wgom2.0386.0.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: 4166 Bathymetry Data (121 beams): Number of Beams: 504086 Number of Good Beams: 247932 49.18% Number of Zero Beams: 256154 50.82% Number of Flagged Beams: 0 0.00% Amplitude Data (121 beams): Number of Beams: 504086 Number of Good Beams: 247932 49.18% Number of Zero Beams: 256154 50.82% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 4265984 Number of Good Pixels: 3309171 77.57% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 956813 22.43% Navigation Totals: Total Time: 0.6129 hours Total Track Length: 11.4261 km Average Speed: 18.6440 km/hr (10.0778 knots) Start of Data: Time: 06 26 2002 21:01:40.190000 JD177 (2002-06-26T21:01:40.190000) Lon: -93.535846667 Lat: 28.148116667 Depth: 69.0000 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 87.8000 degrees Sonar Depth: -0.3200 m Sonar Altitude: 69.3200 m End of Data: Time: 06 26 2002 21:38:26.470000 JD177 (2002-06-26T21:38:26.470000) Lon: -93.419877833 Lat: 28.147601933 Depth: 70.6800 meters Speed: 18.5011 km/hr (10.0006 knots) Heading: 94.2000 degrees Sonar Depth: 0.0600 m Sonar Altitude: 70.6200 m Limits: Minimum Longitude: -93.535913913 Maximum Longitude: -93.419657507 Minimum Latitude: 28.145134628 Maximum Latitude: 28.163993756 Minimum Sonar Depth: -1.4500 Maximum Sonar Depth: 1.5600 Minimum Altitude: 0.3700 Maximum Altitude: 74.0800 Minimum Depth: 53.7400 Maximum Depth: 1286.4400 Minimum Amplitude: -54.5000 Maximum Amplitude: 0.0000 Minimum Sidescan: -64.0000 Maximum Sidescan: -10.5000 Data Record Type Notices: DN: 4166 MB_DATA_DATA (ID=1): survey data DN: 1 MB_DATA_VELOCITY_PROFILE (ID=6): SVP DN: 4859 MB_DATA_NAV (ID=12): Navigation record Nonfatal Error Notices: EN: 4860 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 0 0 0 0 0 0 1 0 0 1 CM: 0 0 0 1 0 0 1 0 0 1 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: 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