Swath Data File: em120-315-192347-0071.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: 57 Bathymetry Data (191 beams): Number of Beams: 10887 Number of Good Beams: 7724 70.95% Number of Zero Beams: 3163 29.05% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 10887 Number of Good Beams: 7724 70.95% Number of Zero Beams: 3163 29.05% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 58368 Number of Good Pixels: 32108 55.01% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 26260 44.99% Navigation Totals: Total Time: 0.2359 hours Total Track Length: 0.7554 km Average Speed: 3.2024 km/hr ( 1.7310 knots) Start of Data: Time: 11 11 2003 19:23:54.703000 JD315 Lon: -157.8582 Lat: 22.8424 Depth: 4661.0900 meters Speed: 4.6800 km/hr ( 2.5297 knots) Heading: 119.0800 degrees Sonar Depth: 5.6500 m Sonar Altitude: 4661.9200 m End of Data: Time: 11 11 2003 19:38:03.837000 JD315 Lon: -157.8529 Lat: 22.8397 Depth: 4660.9700 meters Speed: 2.3400 km/hr ( 1.2649 knots) Heading: 126.9000 degrees Sonar Depth: 6.1700 m Sonar Altitude: 4655.0400 m Limits: Minimum Longitude: -157.8918 Maximum Longitude: -157.8106 Minimum Latitude: 22.7723 Maximum Latitude: 22.9031 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 8.7600 Minimum Altitude: 0.0000 Maximum Altitude: 5430.4000 Minimum Depth: 4466.8800 Maximum Depth: 5569.4800 Minimum Amplitude: -60.5000 Maximum Amplitude: 10.0000 Minimum Sidescan: -64.0000 Maximum Sidescan: 12.0000 Data Record Type Notices: DN: 57 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: 1739 MB_DATA_NAV (ID=12): Navigation record DN: 36 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 870 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 83 MB_DATA_HEADING (ID=17): Heading record DN: 841 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 8 MB_DATA_SSV (ID=19): Surface sound speed record DN: 870 MB_DATA_NAV3 (ID=30): Auxilliary nav system 3 Nonfatal Error Notices: EN: 4450 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: 0 0 0 0 0 1 1 1 1 0 CM: 0 0 0 0 0 1 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 1 CM: 0 0 0 0 1 1 1 1 0 0 CM: 0 0 0 1 1 1 1 0 0 0 CM: 0 0 1 1 1 0 0 0 0 0 CM: 0 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 0 0 0 0 0 CM: 1 0 1 1 1 0 0 0 0 0