Swath Data File: wgom2.0110.0.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: 8182 Bathymetry Data (121 beams): Number of Beams: 990022 Number of Good Beams: 440677 44.51% Number of Zero Beams: 549345 55.49% Number of Flagged Beams: 0 0.00% Amplitude Data (121 beams): Number of Beams: 990022 Number of Good Beams: 440677 44.51% Number of Zero Beams: 549345 55.49% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 8378368 Number of Good Pixels: 6062098 72.35% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 2316270 27.65% Navigation Totals: Total Time: 1.7940 hours Total Track Length: 26.3521 km Average Speed: 14.6887 km/hr ( 7.9398 knots) Start of Data: Time: 06 15 2002 12:43:47.010000 JD166 (2002-06-15T12:43:47.010000) Lon: -92.356815000 Lat: 27.936226493 Depth: 143.8600 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 273.0000 degrees Sonar Depth: -0.1400 m Sonar Altitude: 144.0000 m End of Data: Time: 06 15 2002 14:31:25.550000 JD166 (2002-06-15T14:31:25.550000) Lon: -92.623903431 Lat: 27.936539183 Depth: 157.4800 meters Speed: 14.8153 km/hr ( 8.0083 knots) Heading: 270.5000 degrees Sonar Depth: -0.1300 m Sonar Altitude: 157.6100 m Limits: Minimum Longitude: -92.624016515 Maximum Longitude: -92.356695344 Minimum Latitude: 27.931439253 Maximum Latitude: 27.941050252 Minimum Sonar Depth: -0.5900 Maximum Sonar Depth: 0.5800 Minimum Altitude: -0.1000 Maximum Altitude: 180.7800 Minimum Depth: 7.2400 Maximum Depth: 247.2800 Minimum Amplitude: -58.0000 Maximum Amplitude: 0.0000 Minimum Sidescan: -64.0000 Maximum Sidescan: -1.5000 Data Record Type Notices: DN: 8182 MB_DATA_DATA (ID=1): survey data DN: 1 MB_DATA_VELOCITY_PROFILE (ID=6): SVP DN: 14332 MB_DATA_NAV (ID=12): Navigation record Nonfatal Error Notices: EN: 14333 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 0 0 0 0 CM: 1 1 1 1 1 1 1 1 0 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 0 0 1 1 1 1 1 1 1 CM: 0 0 0 0 0 1 1 1 0 0