Swath Data File: em120-051-084419-0004.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: 599 Bathymetry Data (191 beams): Number of Beams: 114409 Number of Good Beams: 107835 94.25% Number of Zero Beams: 6574 5.75% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 114409 Number of Good Beams: 107835 94.25% Number of Zero Beams: 6574 5.75% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 613376 Number of Good Pixels: 374518 61.06% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 238858 38.94% Navigation Totals: Total Time: 0.9976 hours Total Track Length: 2.0876 km Average Speed: 2.0926 km/hr ( 1.1311 knots) Start of Data: Time: 02 20 2004 08:44:22.258000 JD51 Lon: -158.2145 Lat: 21.3850 Depth: 666.3000 meters Speed: 1.4400 km/hr ( 0.7784 knots) Heading: 158.7800 degrees Sonar Depth: 7.0400 m Sonar Altitude: 655.8800 m End of Data: Time: 02 20 2004 09:44:13.759000 JD51 Lon: -158.2066 Lat: 21.3727 Depth: 696.4100 meters Speed: 3.6000 km/hr ( 1.9459 knots) Heading: 144.2400 degrees Sonar Depth: 6.5700 m Sonar Altitude: 689.8400 m Limits: Minimum Longitude: -158.2446 Maximum Longitude: -158.1961 Minimum Latitude: 21.3547 Maximum Latitude: 21.3990 Minimum Sonar Depth: 4.4900 Maximum Sonar Depth: 9.7500 Minimum Altitude: 629.1200 Maximum Altitude: 757.2200 Minimum Depth: 358.0200 Maximum Depth: 1145.4000 Minimum Amplitude: -45.0000 Maximum Amplitude: 5.0000 Minimum Sidescan: -62.0000 Maximum Sidescan: 8.2100 Data Record Type Notices: DN: 599 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: 29 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: 3480 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 36 MB_DATA_SSV (ID=19): Surface sound speed record DN: 3395 MB_DATA_NAV3 (ID=30): Auxilliary nav system 3 Nonfatal Error Notices: EN: 18085 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 0 1 1 1 1 1 1 0 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 1 CM: 0 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 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 0 0 0 CM: 0 0 1 1 1 0 0 0 0 0