Swath Data File: mbari_1998_337_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: 2163 Bathymetry Data (111 beams): Number of Beams: 240093 Number of Good Beams: 234617 97.72% Number of Zero Beams: 3393 1.41% Number of Flagged Beams: 2083 0.87% Amplitude Data (111 beams): Number of Beams: 240093 Number of Good Beams: 234617 97.72% Number of Zero Beams: 3393 1.41% Number of Flagged Beams: 2083 0.87% Sidescan Data (1024 pixels): Number of Pixels: 2214912 Number of Good Pixels: 2214912 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.2240 hours Total Track Length: 4.2384 km Average Speed: 18.9177 km/hr (10.2258 knots) Start of Data: Time: 04 24 1998 00:29:39.646000 JD114 Lon: -120.4472 Lat: 34.4277 Depth: 64.8400 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 77.0300 degrees Sonar Depth: 5.3400 m Sonar Altitude: 59.5000 m End of Data: Time: 04 24 1998 00:43:06.205000 JD114 Lon: -120.4019 Lat: 34.4341 Depth: 30.9500 meters Speed: 18.0000 km/hr ( 9.7297 knots) Heading: 80.8800 degrees Sonar Depth: 5.8200 m Sonar Altitude: 25.1300 m Limits: Minimum Longitude: -120.4476 Maximum Longitude: -120.4017 Minimum Latitude: 34.4261 Maximum Latitude: 34.4351 Minimum Sonar Depth: 4.9700 Maximum Sonar Depth: 6.1300 Minimum Altitude: 25.1300 Maximum Altitude: 59.5000 Minimum Depth: 30.3200 Maximum Depth: 67.1300 Minimum Amplitude: -56.5000 Maximum Amplitude: -14.5000 Minimum Sidescan: 0.0000 Maximum Sidescan: 64.0000 Data Record Type Notices: DN: 2163 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: 807 MB_DATA_NAV (ID=12): Navigation record DN: 2163 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 807 MB_DATA_ATTITUDE (ID=18): Attitude record Nonfatal Error Notices: EN: 47 MB_ERROR_COMMENT (ID=-5): Comment record EN: 3781 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: 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 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 0 CM: 1 1 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