Swath Data File: test32.0.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: 129 Bathymetry Data (121 beams): Number of Beams: 15609 Number of Good Beams: 5939 38.05% Number of Zero Beams: 9670 61.95% Number of Flagged Beams: 0 0.00% Amplitude Data (121 beams): Number of Beams: 15609 Number of Good Beams: 5939 38.05% Number of Zero Beams: 9670 61.95% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 132096 Number of Good Pixels: 67736 51.28% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 64360 48.72% Navigation Totals: Total Time: 0.0401 hours Total Track Length: 0.5482 km Average Speed: 13.6847 km/hr ( 7.3971 knots) Start of Data: Time: 08 04 1998 19:05:00.740000 JD216 Lon: -120.1496 Lat: 39.1144 Depth: 207.3600 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 78.3000 degrees Sonar Depth: -0.0200 m Sonar Altitude: 207.3800 m End of Data: Time: 08 04 1998 19:07:24.960000 JD216 Lon: -120.1441 Lat: 39.1165 Depth: 220.9600 meters Speed: 13.1427 km/hr ( 7.1042 knots) Heading: 63.2000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 220.9600 m Limits: Minimum Longitude: -120.1511 Maximum Longitude: -120.1406 Minimum Latitude: 39.1095 Maximum Latitude: 39.1214 Minimum Sonar Depth: -0.1000 Maximum Sonar Depth: 0.0400 Minimum Altitude: -0.0200 Maximum Altitude: 230.2000 Minimum Depth: 112.5600 Maximum Depth: 273.6200 Minimum Amplitude: -57.5000 Maximum Amplitude: -11.0000 Minimum Sidescan: -64.0000 Maximum Sidescan: -14.0000 Data Record Type Notices: DN: 129 MB_DATA_DATA (ID=1): survey data DN: 309 MB_DATA_NAV (ID=12): Navigation record Nonfatal Error Notices: EN: 309 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 0 0 1 1 1 0 0 0 0 0 CM: 0 1 1 1 1 1 0 0 0 0 CM: 1 1 1 1 1 1 0 0 0 0 CM: 1 1 1 1 1 1 1 0 0 0 CM: 1 1 1 1 1 1 1 1 0 0 CM: 0 1 1 1 1 1 1 1 0 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 0 1 1 1 1 1 1