Swath Data File: mbari_1998_231_msn.mb57 MBIO Data Format ID: 57 Format name: MBF_EM300MBA Informal Description: Simrad multibeam processing format Attributes: Old and new Simrad multibeams, EM12S, EM12D, EM121, EM120, EM300, EM100, EM1000, EM950, EM1002, EM3000, bathymetry, amplitude, and sidescan, up to 254 beams, variable pixels, ascii + binary, MBARI. Data Totals: Number of Records: 2214 Bathymetry Data (135 beams): Number of Beams: 298890 Number of Good Beams: 294537 98.54% Number of Zero Beams: 2694 0.90% Number of Flagged Beams: 1659 0.56% Amplitude Data (135 beams): Number of Beams: 298890 Number of Good Beams: 294537 98.54% Number of Zero Beams: 2694 0.90% Number of Flagged Beams: 1659 0.56% Sidescan Data (1024 pixels): Number of Pixels: 2267136 Number of Good Pixels: 2267136 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 1.0036 hours Total Track Length: 19.6171 km Average Speed: 19.5458 km/hr (10.5653 knots) Start of Data: Time: 04 19 1998 08:24:32.447000 JD109 Lon: -120.1662 Lat: 34.3858 Depth: 293.7900 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 90.5500 degrees Sonar Depth: 5.7400 m Sonar Altitude: 288.0500 m End of Data: Time: 04 19 1998 09:24:45.583000 JD109 Lon: -119.9532 Lat: 34.3804 Depth: 220.1100 meters Speed: 18.0000 km/hr ( 9.7297 knots) Heading: 63.4700 degrees Sonar Depth: 5.8300 m Sonar Altitude: 214.2800 m Limits: Minimum Longitude: -120.1663 Maximum Longitude: -119.9504 Minimum Latitude: 34.3732 Maximum Latitude: 34.3922 Minimum Sonar Depth: 5.0300 Maximum Sonar Depth: 6.2700 Minimum Altitude: 206.1000 Maximum Altitude: 299.7000 Minimum Depth: 134.1400 Maximum Depth: 413.8500 Minimum Amplitude: -50.5000 Maximum Amplitude: -15.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 55.2500 Data Record Type Notices: DN: 2214 MB_DATA_DATA (ID=1): survey data DN: 47 MB_DATA_COMMENT (ID=2): comment DN: 12 MB_DATA_VELOCITY_PROFILE (ID=6): SVP DN: 12 MB_DATA_START (ID=10): Simrad start datagram DN: 3614 MB_DATA_NAV (ID=12): Navigation record DN: 2214 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 3615 MB_DATA_ATTITUDE (ID=18): Attitude record Nonfatal Error Notices: EN: 47 MB_ERROR_COMMENT (ID=-5): Comment record EN: 9467 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record EN: 1 MB_ERROR_NOT_ENOUGH_DATA (ID=-21): Not enough data to perform spline interpolation Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 1 1 1 1 0 0 0 0 0 0 CM: 1 1 1 1 1 1 0 0 0 0 CM: 1 1 1 1 1 1 1 1 1 0 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 1 1 1 1 1 1 1 1 CM: 0 0 0 0 1 1 1 1 1 1 CM: 0 0 0 0 0 0 0 1 1 1