Swath Data File: mbari_1998_390_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: 917 Bathymetry Data (111 beams): Number of Beams: 101787 Number of Good Beams: 100590 98.82% Number of Zero Beams: 984 0.97% Number of Flagged Beams: 213 0.21% Amplitude Data (111 beams): Number of Beams: 101787 Number of Good Beams: 100590 98.82% Number of Zero Beams: 984 0.97% Number of Flagged Beams: 213 0.21% Sidescan Data (1024 pixels): Number of Pixels: 939008 Number of Good Pixels: 939008 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1217 hours Total Track Length: 2.3904 km Average Speed: 19.6398 km/hr (10.6161 knots) Start of Data: Time: 04 25 1998 16:53:07.741000 JD115 Lon: -120.2010 Lat: 34.4205 Depth: 125.4800 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 340.3300 degrees Sonar Depth: 5.2100 m Sonar Altitude: 120.2700 m End of Data: Time: 04 25 1998 17:00:25.907000 JD115 Lon: -120.2066 Lat: 34.4414 Depth: 71.7900 meters Speed: 18.0000 km/hr ( 9.7297 knots) Heading: 351.7300 degrees Sonar Depth: 5.4200 m Sonar Altitude: 66.3700 m Limits: Minimum Longitude: -120.2084 Maximum Longitude: -120.1977 Minimum Latitude: 34.4195 Maximum Latitude: 34.4417 Minimum Sonar Depth: 5.0400 Maximum Sonar Depth: 6.2000 Minimum Altitude: 66.0500 Maximum Altitude: 120.2700 Minimum Depth: 70.1900 Maximum Depth: 134.5800 Minimum Amplitude: -51.5000 Maximum Amplitude: -11.5000 Minimum Sidescan: 0.0000 Maximum Sidescan: 61.0000 Data Record Type Notices: DN: 917 MB_DATA_DATA (ID=1): survey data DN: 47 MB_DATA_COMMENT (ID=2): comment DN: 4 MB_DATA_VELOCITY_PROFILE (ID=6): SVP DN: 4 MB_DATA_START (ID=10): Simrad start datagram DN: 438 MB_DATA_NAV (ID=12): Navigation record DN: 917 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 438 MB_DATA_ATTITUDE (ID=18): Attitude record Nonfatal Error Notices: EN: 47 MB_ERROR_COMMENT (ID=-5): Comment record EN: 1801 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 1 0 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 1 1 1 1 1 1 0 0 0 0 CM: 0 1 1 1 1 1 0 0 0 0 CM: 0 0 1 1 1 1 1 0 0 0 CM: 0 0 1 1 1 1 1 0 0 0 CM: 0 0 1 1 1 1 1 1 0 0 CM: 0 0 1 1 1 1 1 1 0 0 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 1