Swath Data File: em120-331-123352-0088.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: 673 Bathymetry Data (191 beams): Number of Beams: 128543 Number of Good Beams: 115617 89.94% Number of Zero Beams: 12926 10.06% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 128543 Number of Good Beams: 115617 89.94% Number of Zero Beams: 12926 10.06% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 689152 Number of Good Pixels: 406116 58.93% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 283036 41.07% Navigation Totals: Total Time: 0.9980 hours Total Track Length: 1.7082 km Average Speed: 1.7115 km/hr ( 0.9251 knots) Start of Data: Time: 11 27 2002 12:33:57.122000 JD331 Lon: -158.4629 Lat: 21.6254 Depth: 774.4100 meters Speed: 0.3600 km/hr ( 0.1946 knots) Heading: 195.8100 degrees Sonar Depth: 7.4900 m Sonar Altitude: 763.1600 m End of Data: Time: 11 27 2002 13:33:50.066000 JD331 Lon: -158.4628 Lat: 21.6124 Depth: 773.7900 meters Speed: 1.9800 km/hr ( 1.0703 knots) Heading: 192.3900 degrees Sonar Depth: 5.5700 m Sonar Altitude: 756.4200 m Limits: Minimum Longitude: -158.4908 Maximum Longitude: -158.4442 Minimum Latitude: 21.6085 Maximum Latitude: 21.6378 Minimum Sonar Depth: 4.4600 Maximum Sonar Depth: 9.7100 Minimum Altitude: 754.2200 Maximum Altitude: 769.2200 Minimum Depth: 603.1200 Maximum Depth: 1032.6000 Minimum Amplitude: -41.5000 Maximum Amplitude: 14.0000 Minimum Sidescan: -50.0000 Maximum Sidescan: 9.2500 Data Record Type Notices: DN: 673 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: 7200 MB_DATA_NAV (ID=12): Navigation record DN: 209 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 3600 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 342 MB_DATA_HEADING (ID=17): Heading record DN: 3479 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 36 MB_DATA_SSV (ID=19): Surface sound speed record Nonfatal Error Notices: EN: 14869 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 1 1 1 0 0 0 0 0 0 CM: 1 1 1 1 0 0 0 0 0 0 CM: 0 1 1 1 1 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 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 0 1 1 1 1 1 1 1 CM: 0 0 0 0 0 0 0 1 1 1