Swath Data File: wgom2.0348.0.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: 6180 Bathymetry Data (121 beams): Number of Beams: 747780 Number of Good Beams: 368739 49.31% Number of Zero Beams: 379041 50.69% Number of Flagged Beams: 0 0.00% Amplitude Data (121 beams): Number of Beams: 747780 Number of Good Beams: 368739 49.31% Number of Zero Beams: 379041 50.69% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 6328320 Number of Good Pixels: 5002294 79.05% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 1326026 20.95% Navigation Totals: Total Time: 1.0257 hours Total Track Length: 18.6863 km Average Speed: 18.2180 km/hr ( 9.8476 knots) Start of Data: Time: 06 25 2002 03:58:08.940000 JD176 (2002-06-25T03:58:08.940000) Lon: -93.417158333 Lat: 27.988902268 Depth: 104.4800 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 261.8000 degrees Sonar Depth: -0.0400 m Sonar Altitude: 104.5200 m End of Data: Time: 06 25 2002 04:59:41.490000 JD176 (2002-06-25T04:59:41.490000) Lon: -93.606668824 Lat: 27.989408922 Depth: 100.2200 meters Speed: 18.4332 km/hr ( 9.9639 knots) Heading: 270.6000 degrees Sonar Depth: 0.0200 m Sonar Altitude: 100.2000 m Limits: Minimum Longitude: -93.606727645 Maximum Longitude: -93.416906426 Minimum Latitude: 27.986132219 Maximum Latitude: 27.991274704 Minimum Sonar Depth: -0.3000 Maximum Sonar Depth: 0.3000 Minimum Altitude: -0.1800 Maximum Altitude: 125.3500 Minimum Depth: 4.0400 Maximum Depth: 125.2600 Minimum Amplitude: -52.0000 Maximum Amplitude: 0.0000 Minimum Sidescan: -64.0000 Maximum Sidescan: -2.0000 Data Record Type Notices: DN: 6180 MB_DATA_DATA (ID=1): survey data DN: 1 MB_DATA_VELOCITY_PROFILE (ID=6): SVP DN: 8046 MB_DATA_NAV (ID=12): Navigation record Nonfatal Error Notices: EN: 8047 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 1 0 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 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 0 1 0 0 0 0 0 1 1 1