Swath Data File: mbari_1998_368_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: 2707 Bathymetry Data (111 beams): Number of Beams: 300477 Number of Good Beams: 295033 98.19% Number of Zero Beams: 3183 1.06% Number of Flagged Beams: 2261 0.75% Amplitude Data (111 beams): Number of Beams: 300477 Number of Good Beams: 295033 98.19% Number of Zero Beams: 3183 1.06% Number of Flagged Beams: 2261 0.75% Sidescan Data (1024 pixels): Number of Pixels: 2771968 Number of Good Pixels: 2771968 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.3186 hours Total Track Length: 6.2257 km Average Speed: 19.5378 km/hr (10.5610 knots) Start of Data: Time: 04 24 1998 22:22:34.635000 JD114 Lon: -120.2076 Lat: 34.4493 Depth: 63.3500 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 271.4500 degrees Sonar Depth: 6.2700 m Sonar Altitude: 57.0800 m End of Data: Time: 04 24 1998 22:41:41.775000 JD114 Lon: -120.2745 Lat: 34.4405 Depth: 48.4700 meters Speed: 18.0000 km/hr ( 9.7297 knots) Heading: 261.3900 degrees Sonar Depth: 5.9300 m Sonar Altitude: 42.7000 m Limits: Minimum Longitude: -120.2747 Maximum Longitude: -120.2076 Minimum Latitude: 34.4393 Maximum Latitude: 34.4509 Minimum Sonar Depth: 4.2300 Maximum Sonar Depth: 6.9500 Minimum Altitude: 42.6300 Maximum Altitude: 61.5000 Minimum Depth: 43.5100 Maximum Depth: 71.4100 Minimum Amplitude: -50.5000 Maximum Amplitude: -13.5000 Minimum Sidescan: 0.0000 Maximum Sidescan: 62.5000 Data Record Type Notices: DN: 2707 MB_DATA_DATA (ID=1): survey data DN: 47 MB_DATA_COMMENT (ID=2): comment DN: 8 MB_DATA_VELOCITY_PROFILE (ID=6): SVP DN: 8 MB_DATA_START (ID=10): Simrad start datagram DN: 1147 MB_DATA_NAV (ID=12): Navigation record DN: 2710 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 1147 MB_DATA_ATTITUDE (ID=18): Attitude record Nonfatal Error Notices: EN: 47 MB_ERROR_COMMENT (ID=-5): Comment record EN: 5020 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record EN: 2 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 0 0 0 0 0 1 1 CM: 0 0 0 0 0 0 0 1 1 1 CM: 0 0 0 0 0 1 1 1 1 1 CM: 0 0 0 0 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 0 CM: 0 0 1 1 1 1 1 0 0 0 CM: 1 1 1 1 1 1 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 1 1 1 1 0 0 0 0 0 0 CM: 1 1 0 0 0 0 0 0 0 0