Swath Data File: wgom2.0352.0.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: 1061 Bathymetry Data (121 beams): Number of Beams: 128381 Number of Good Beams: 63219 49.24% Number of Zero Beams: 65162 50.76% Number of Flagged Beams: 0 0.00% Amplitude Data (121 beams): Number of Beams: 128381 Number of Good Beams: 63219 49.24% Number of Zero Beams: 65162 50.76% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 1086464 Number of Good Pixels: 772332 71.09% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 314132 28.91% Navigation Totals: Total Time: 0.1832 hours Total Track Length: 2.6896 km Average Speed: 14.6782 km/hr ( 7.9342 knots) Start of Data: Time: 06 25 2002 07:19:07.920000 JD176 (2002-06-25T07:19:07.920000) Lon: -93.607286667 Lat: 27.998596174 Depth: 96.7200 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 103.0000 degrees Sonar Depth: 0.0300 m Sonar Altitude: 96.6900 m End of Data: Time: 06 25 2002 07:30:07.570000 JD176 (2002-06-25T07:30:07.570000) Lon: -93.580166133 Lat: 27.997296667 Depth: 91.0400 meters Speed: 12.9841 km/hr ( 7.0184 knots) Heading: 93.9000 degrees Sonar Depth: -0.0800 m Sonar Altitude: 91.1200 m Limits: Minimum Longitude: -93.607705359 Maximum Longitude: -93.580003312 Minimum Latitude: 27.995526084 Maximum Latitude: 28.000386474 Minimum Sonar Depth: -0.3100 Maximum Sonar Depth: 0.3000 Minimum Altitude: 0.0000 Maximum Altitude: 97.6800 Minimum Depth: 90.5200 Maximum Depth: 98.8800 Minimum Amplitude: -46.0000 Maximum Amplitude: -7.5000 Minimum Sidescan: -64.0000 Maximum Sidescan: -15.2500 Data Record Type Notices: DN: 1061 MB_DATA_DATA (ID=1): survey data DN: 1 MB_DATA_VELOCITY_PROFILE (ID=6): SVP DN: 1323 MB_DATA_NAV (ID=12): Navigation record Nonfatal Error Notices: EN: 1324 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: PN: 2 DATA PROBLEM (ID=4): Average speed exceeds 25 km/hr Coverage Mask: CM dimensions: 10 10 CM: 1 1 1 1 1 0 0 0 0 0 CM: 1 1 1 1 1 1 1 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 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: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 1