Swath Data File: mbari_1998_485_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: 5537 Bathymetry Data (111 beams): Number of Beams: 614607 Number of Good Beams: 599697 97.57% Number of Zero Beams: 6707 1.09% Number of Flagged Beams: 8203 1.33% Amplitude Data (111 beams): Number of Beams: 614607 Number of Good Beams: 599697 97.57% Number of Zero Beams: 6707 1.09% Number of Flagged Beams: 8203 1.33% Sidescan Data (1024 pixels): Number of Pixels: 5669888 Number of Good Pixels: 5669888 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.8713 hours Total Track Length: 19.5120 km Average Speed: 22.3928 km/hr (12.1042 knots) Start of Data: Time: 04 28 1998 13:50:50.584000 JD118 Lon: -120.1991 Lat: 34.0998 Depth: 98.4600 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 87.5200 degrees Sonar Depth: 5.1400 m Sonar Altitude: 93.3200 m End of Data: Time: 04 28 1998 14:43:07.441000 JD118 Lon: -119.9878 Lat: 34.0936 Depth: 98.0300 meters Speed: 21.9960 km/hr (11.8897 knots) Heading: 86.0400 degrees Sonar Depth: 5.6000 m Sonar Altitude: 92.4300 m Limits: Minimum Longitude: -120.1992 Maximum Longitude: -119.9876 Minimum Latitude: 34.0911 Maximum Latitude: 34.1022 Minimum Sonar Depth: 4.6200 Maximum Sonar Depth: 6.5700 Minimum Altitude: 70.6500 Maximum Altitude: 95.2000 Minimum Depth: 71.8800 Maximum Depth: 103.9900 Minimum Amplitude: -54.0000 Maximum Amplitude: -14.5000 Minimum Sidescan: 0.0000 Maximum Sidescan: 67.5000 Data Record Type Notices: DN: 5537 MB_DATA_DATA (ID=1): survey data DN: 47 MB_DATA_COMMENT (ID=2): comment DN: 21 MB_DATA_VELOCITY_PROFILE (ID=6): SVP DN: 21 MB_DATA_START (ID=10): Simrad start datagram DN: 3138 MB_DATA_NAV (ID=12): Navigation record DN: 5540 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 3137 MB_DATA_ATTITUDE (ID=18): Attitude record Nonfatal Error Notices: EN: 47 MB_ERROR_COMMENT (ID=-5): Comment record EN: 11857 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: 1 1 0 0 0 0 0 0 0 0 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 0 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 1 1 1 CM: 0 0 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 1 1 1 1 CM: 0 0 0 0 0 0 0 0 1 1