Swath Data File: mbari_1998_334_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: 1291 Bathymetry Data (111 beams): Number of Beams: 143301 Number of Good Beams: 140146 97.80% Number of Zero Beams: 2412 1.68% Number of Flagged Beams: 743 0.52% Amplitude Data (111 beams): Number of Beams: 143301 Number of Good Beams: 140146 97.80% Number of Zero Beams: 2412 1.68% Number of Flagged Beams: 743 0.52% Sidescan Data (1024 pixels): Number of Pixels: 1321984 Number of Good Pixels: 1321984 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1398 hours Total Track Length: 2.9585 km Average Speed: 21.1620 km/hr (11.4389 knots) Start of Data: Time: 04 23 1998 23:47:58.279000 JD113 Lon: -120.4210 Lat: 34.4361 Depth: 33.5900 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 259.2200 degrees Sonar Depth: 5.9300 m Sonar Altitude: 27.6900 m End of Data: Time: 04 23 1998 23:56:21.561000 JD113 Lon: -120.4527 Lat: 34.4314 Depth: 59.5300 meters Speed: 19.9800 km/hr (10.8000 knots) Heading: 259.9200 degrees Sonar Depth: 5.0300 m Sonar Altitude: 54.5000 m Limits: Minimum Longitude: -120.4531 Maximum Longitude: -120.4208 Minimum Latitude: 34.4296 Maximum Latitude: 34.4372 Minimum Sonar Depth: 4.7400 Maximum Sonar Depth: 6.5600 Minimum Altitude: 27.6900 Maximum Altitude: 54.6000 Minimum Depth: 30.4900 Maximum Depth: 65.2200 Minimum Amplitude: -55.0000 Maximum Amplitude: -15.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 103.5000 Data Record Type Notices: DN: 1291 MB_DATA_DATA (ID=1): survey data DN: 47 MB_DATA_COMMENT (ID=2): comment DN: 2 MB_DATA_VELOCITY_PROFILE (ID=6): SVP DN: 2 MB_DATA_START (ID=10): Simrad start datagram DN: 504 MB_DATA_NAV (ID=12): Navigation record DN: 1291 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 504 MB_DATA_ATTITUDE (ID=18): Attitude record Nonfatal Error Notices: EN: 47 MB_ERROR_COMMENT (ID=-5): Comment record EN: 2303 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record EN: 4 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 1 1 1 1 CM: 0 0 0 0 1 1 1 1 1 1 CM: 0 0 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 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