Swath Data File: wgom2.0090.0.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: 3765 Bathymetry Data (121 beams): Number of Beams: 455565 Number of Good Beams: 225440 49.49% Number of Zero Beams: 230125 50.51% Number of Flagged Beams: 0 0.00% Amplitude Data (121 beams): Number of Beams: 455565 Number of Good Beams: 225440 49.49% Number of Zero Beams: 230125 50.51% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 3855360 Number of Good Pixels: 2922227 75.80% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 933133 24.20% Navigation Totals: Total Time: 0.5122 hours Total Track Length: 4.7526 km Average Speed: 9.2788 km/hr ( 5.0155 knots) Start of Data: Time: 06 14 2002 12:16:59.790000 JD165 (2002-06-14T12:16:59.790000) Lon: -92.452706667 Lat: 28.365543333 Depth: 60.9400 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 183.9000 degrees Sonar Depth: -0.0400 m Sonar Altitude: 60.9800 m End of Data: Time: 06 14 2002 12:47:43.710000 JD165 (2002-06-14T12:47:43.710000) Lon: -92.453368800 Lat: 28.308322000 Depth: 64.1000 meters Speed: 12.3383 km/hr ( 6.6694 knots) Heading: 183.9000 degrees Sonar Depth: 0.0700 m Sonar Altitude: 64.0300 m Limits: Minimum Longitude: -92.466036667 Maximum Longitude: -92.449612055 Minimum Latitude: 28.308164174 Maximum Latitude: 28.365673065 Minimum Sonar Depth: -0.4600 Maximum Sonar Depth: 0.4200 Minimum Altitude: 35.4900 Maximum Altitude: 87.2700 Minimum Depth: 12.8400 Maximum Depth: 1109.0200 Minimum Amplitude: -53.0000 Maximum Amplitude: 0.0000 Minimum Sidescan: -64.0000 Maximum Sidescan: -3.5000 Data Record Type Notices: DN: 3765 MB_DATA_DATA (ID=1): survey data DN: 1 MB_DATA_VELOCITY_PROFILE (ID=6): SVP DN: 4386 MB_DATA_NAV (ID=12): Navigation record Nonfatal Error Notices: EN: 4387 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: PN: 3 DATA PROBLEM (ID=4): Average speed exceeds 25 km/hr Coverage Mask: CM dimensions: 10 10 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1 CM: 1 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1