Swath Data File: 0004_20010909_043951_raw.mb56 MBIO Data Format ID: 56 Format name: MBF_EM300RAW Informal Description: Simrad current multibeam vendor format Attributes: Simrad EM120, EM300, EM1002, EM3000, bathymetry, amplitude, and sidescan, up to 254 beams, variable pixels, ascii + binary, Simrad. Data Totals: Number of Records: 2534 Bathymetry Data (127 beams): Number of Beams: 321818 Number of Good Beams: 275315 85.55% Number of Zero Beams: 46503 14.45% Number of Flagged Beams: 0 0.00% Amplitude Data (127 beams): Number of Beams: 321818 Number of Good Beams: 275315 85.55% Number of Zero Beams: 46503 14.45% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 2594816 Number of Good Pixels: 2046980 78.89% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 547836 21.11% Navigation Totals: Total Time: 0.1852 hours Total Track Length: 1.5272 km Average Speed: 8.2464 km/hr ( 4.4575 knots) Start of Data: Time: 09 09 2001 04:39:51.471000 JD252 Lon: -83.6720 Lat: 24.7665 Depth: 67.4900 meters Speed: 9.0000 km/hr ( 4.8649 knots) Heading: 106.6000 degrees Sonar Depth: 1.8800 m Sonar Altitude: 65.6200 m End of Data: Time: 09 09 2001 04:50:58.157000 JD252 Lon: -83.6698 Lat: 24.7706 Depth: 68.0100 meters Speed: 8.6400 km/hr ( 4.6703 knots) Heading: 290.0000 degrees Sonar Depth: 1.8300 m Sonar Altitude: 66.2200 m Limits: Minimum Longitude: -83.6724 Maximum Longitude: -83.6637 Minimum Latitude: 24.7642 Maximum Latitude: 24.7714 Minimum Sonar Depth: 1.1100 Maximum Sonar Depth: 2.1200 Minimum Altitude: 62.4800 Maximum Altitude: 74.2300 Minimum Depth: 62.1600 Maximum Depth: 75.6000 Minimum Amplitude: -48.0000 Maximum Amplitude: -10.0000 Minimum Sidescan: -64.0000 Maximum Sidescan: -11.0000 Data Record Type Notices: DN: 2534 MB_DATA_DATA (ID=1): survey data DN: 1 MB_DATA_VELOCITY_PROFILE (ID=6): SVP DN: 1 MB_DATA_START (ID=10): Simrad start datagram DN: 1 MB_DATA_STOP (ID=11): Simrad stop datagram DN: 3336 MB_DATA_NAV (ID=12): Navigation record DN: 1 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 3332 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 65 MB_DATA_HEADING (ID=17): Heading record DN: 667 MB_DATA_ATTITUDE (ID=18): Attitude record Nonfatal Error Notices: EN: 7404 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record EN: 3 MB_ERROR_NOT_ENOUGH_DATA (ID=-21): Not enough data to perform spline interpolation Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 0 0 0 1 1 0 0 0 0 0 CM: 0 0 1 1 1 1 1 0 0 0 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 1 CM: 1 1 0 0 0 0 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 0 1 1 1 1 1 1 0 0