Swath Data File: em1002-051-192853-0056.mb56 MBIO Data Format ID: 56 Format name: MBF_EM300RAW Informal Description: Simrad current multibeam vendor format Attributes: Simrad EM120, EM300, EM1002, EM3000, bathymetry, amplitude, and sidescan, up to 254 beams, variable pixels, ascii + binary, Simrad. Data Totals: Number of Records: 469 Bathymetry Data (111 beams): Number of Beams: 52059 Number of Good Beams: 43775 84.09% Number of Zero Beams: 8284 15.91% Number of Flagged Beams: 0 0.00% Amplitude Data (111 beams): Number of Beams: 52059 Number of Good Beams: 43775 84.09% Number of Zero Beams: 8284 15.91% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 480256 Number of Good Pixels: 186840 38.90% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 293416 61.10% Navigation Totals: Total Time: 0.2497 hours Total Track Length: 4.3755 km Average Speed: 17.5228 km/hr ( 9.4718 knots) Start of Data: Time: 02 20 2004 19:28:53.475000 JD51 Lon: -158.2462 Lat: 21.3837 Depth: 735.1200 meters Speed: 16.5600 km/hr ( 8.9514 knots) Heading: 89.8100 degrees Sonar Depth: 5.8800 m Sonar Altitude: 729.2400 m End of Data: Time: 02 20 2004 19:43:52.396000 JD51 Lon: -158.2040 Lat: 21.3831 Depth: 515.6600 meters Speed: 16.5600 km/hr ( 8.9514 knots) Heading: 89.6200 degrees Sonar Depth: 7.0400 m Sonar Altitude: 538.5400 m Limits: Minimum Longitude: -158.2462 Maximum Longitude: -158.2036 Minimum Latitude: 21.3761 Maximum Latitude: 21.3916 Minimum Sonar Depth: 4.5400 Maximum Sonar Depth: 8.1900 Minimum Altitude: 0.0000 Maximum Altitude: 991.9200 Minimum Depth: 373.3200 Maximum Depth: 1009.5600 Minimum Amplitude: -58.5000 Maximum Amplitude: 2.5000 Minimum Sidescan: -64.0000 Maximum Sidescan: 10.2700 Data Record Type Notices: DN: 469 MB_DATA_DATA (ID=1): survey data DN: 1 MB_DATA_VELOCITY_PROFILE (ID=6): SVP DN: 1 MB_DATA_START (ID=10): Simrad start datagram DN: 1 MB_DATA_STOP (ID=11): Simrad stop datagram DN: 1800 MB_DATA_NAV (ID=12): Navigation record DN: 21 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 900 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 85 MB_DATA_HEADING (ID=17): Heading record DN: 871 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 9 MB_DATA_SSV (ID=19): Surface sound speed record DN: 661 MB_DATA_NAV3 (ID=30): Auxilliary nav system 3 Nonfatal Error Notices: EN: 4350 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record EN: 7 MB_ERROR_UNINTELLIGIBLE (ID=-9): Unintelligible data record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 0 0 0 0 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 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 0 1 1 0 1 1