Swath Data File: test1.0.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: 170 Bathymetry Data (121 beams): Number of Beams: 20570 Number of Good Beams: 8049 39.13% Number of Zero Beams: 12521 60.87% Number of Flagged Beams: 0 0.00% Amplitude Data (121 beams): Number of Beams: 20570 Number of Good Beams: 8049 39.13% Number of Zero Beams: 12521 60.87% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 174080 Number of Good Pixels: 78365 45.02% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 95715 54.98% Navigation Totals: Total Time: 0.0433 hours Total Track Length: 0.6257 km Average Speed: 14.4351 km/hr ( 7.8028 knots) Start of Data: Time: 08 03 1998 19:50:30.230000 JD215 Lon: -120.0851 Lat: 39.1604 Depth: 232.8000 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 72.3000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 232.8000 m End of Data: Time: 08 03 1998 19:53:06.270000 JD215 Lon: -120.0783 Lat: 39.1610 Depth: 367.1600 meters Speed: 14.3043 km/hr ( 7.7320 knots) Heading: 84.0000 degrees Sonar Depth: 0.0200 m Sonar Altitude: 367.1400 m Limits: Minimum Longitude: -120.0867 Maximum Longitude: -120.0771 Minimum Latitude: 39.1557 Maximum Latitude: 39.1659 Minimum Sonar Depth: -0.0800 Maximum Sonar Depth: 0.0700 Minimum Altitude: 232.8000 Maximum Altitude: 369.6100 Minimum Depth: 209.2400 Maximum Depth: 376.3400 Minimum Amplitude: -41.5000 Maximum Amplitude: 5.0000 Minimum Sidescan: -62.7500 Maximum Sidescan: 11.0000 Data Record Type Notices: DN: 170 MB_DATA_DATA (ID=1): survey data DN: 325 MB_DATA_NAV (ID=12): Navigation record Nonfatal Error Notices: EN: 325 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 0 0 0 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 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1