Swath Data File: wgom2.0360.0.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: 6729 Bathymetry Data (121 beams): Number of Beams: 814209 Number of Good Beams: 401321 49.29% Number of Zero Beams: 412888 50.71% Number of Flagged Beams: 0 0.00% Amplitude Data (121 beams): Number of Beams: 814209 Number of Good Beams: 401321 49.29% Number of Zero Beams: 412888 50.71% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 6890496 Number of Good Pixels: 5395310 78.30% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 1495186 21.70% Navigation Totals: Total Time: 1.0591 hours Total Track Length: 18.8326 km Average Speed: 17.7813 km/hr ( 9.6115 knots) Start of Data: Time: 06 25 2002 17:21:19.050000 JD176 (2002-06-25T17:21:19.050000) Lon: -93.417048333 Lat: 28.013651667 Depth: 99.5400 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 274.5000 degrees Sonar Depth: -0.0200 m Sonar Altitude: 99.5600 m End of Data: Time: 06 25 2002 18:24:51.900000 JD176 (2002-06-25T18:24:51.900000) Lon: -93.607409333 Lat: 28.012858333 Depth: 94.2800 meters Speed: 18.6432 km/hr (10.0774 knots) Heading: 268.7000 degrees Sonar Depth: 0.0400 m Sonar Altitude: 94.2400 m Limits: Minimum Longitude: -93.607477377 Maximum Longitude: -93.416924372 Minimum Latitude: 27.996784131 Maximum Latitude: 28.015631005 Minimum Sonar Depth: -0.2500 Maximum Sonar Depth: 0.2400 Minimum Altitude: 0.0600 Maximum Altitude: 119.1400 Minimum Depth: 0.5600 Maximum Depth: 1238.1400 Minimum Amplitude: -57.0000 Maximum Amplitude: 0.0000 Minimum Sidescan: -64.0000 Maximum Sidescan: 1.0000 Data Record Type Notices: DN: 6729 MB_DATA_DATA (ID=1): survey data DN: 1 MB_DATA_VELOCITY_PROFILE (ID=6): SVP DN: 8207 MB_DATA_NAV (ID=12): Navigation record Nonfatal Error Notices: EN: 8208 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 1 0 0 1 0 0 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: 0 1 1 1 1 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 1 0 0 CM: 0 0 0 0 0 0 0 0 0 0 CM: 0 0 0 0 0 0 0 1 0 0