Swath Data File: wgom2.104.0.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: 7163 Bathymetry Data (121 beams): Number of Beams: 866723 Number of Good Beams: 376810 43.48% Number of Zero Beams: 489913 56.52% Number of Flagged Beams: 0 0.00% Amplitude Data (121 beams): Number of Beams: 866723 Number of Good Beams: 376810 43.48% Number of Zero Beams: 489913 56.52% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 7334912 Number of Good Pixels: 3650604 49.77% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 3684308 50.23% Navigation Totals: Total Time: 1.8861 hours Total Track Length: 26.2683 km Average Speed: 13.9272 km/hr ( 7.5282 knots) Start of Data: Time: 06 15 2002 00:10:41.310000 JD166 (2002-06-15T00:10:41.310000) Lon: -92.357260000 Lat: 27.914243442 Depth: 157.4800 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 286.2000 degrees Sonar Depth: -0.0800 m Sonar Altitude: 157.5600 m End of Data: Time: 06 15 2002 02:03:51.330000 JD166 (2002-06-15T02:03:51.330000) Lon: -92.623639706 Lat: 27.913834118 Depth: 210.7800 meters Speed: 13.4958 km/hr ( 7.2950 knots) Heading: 274.6000 degrees Sonar Depth: 0.1000 m Sonar Altitude: 210.6800 m Limits: Minimum Longitude: -92.624092771 Maximum Longitude: -92.356194229 Minimum Latitude: 27.908224875 Maximum Latitude: 27.919762105 Minimum Sonar Depth: -0.4000 Maximum Sonar Depth: 0.4400 Minimum Altitude: 69.0700 Maximum Altitude: 238.5300 Minimum Depth: 39.2400 Maximum Depth: 292.6400 Minimum Amplitude: -52.0000 Maximum Amplitude: -4.5000 Minimum Sidescan: -64.0000 Maximum Sidescan: -2.9500 Data Record Type Notices: DN: 7163 MB_DATA_DATA (ID=1): survey data DN: 1 MB_DATA_VELOCITY_PROFILE (ID=6): SVP DN: 15180 MB_DATA_NAV (ID=12): Navigation record Nonfatal Error Notices: EN: 15181 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 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: 1 1 1 1 1 1 0 0 1 1