Swath Data File: em120-062-233959-0101.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: 248 Bathymetry Data (191 beams): Number of Beams: 47368 Number of Good Beams: 44933 94.86% Number of Zero Beams: 2435 5.14% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 47368 Number of Good Beams: 44933 94.86% Number of Zero Beams: 2435 5.14% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 253952 Number of Good Pixels: 168390 66.31% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 85562 33.69% Navigation Totals: Total Time: 0.9971 hours Total Track Length: 22.1003 km Average Speed: 22.1648 km/hr (11.9810 knots) Start of Data: Time: 03 03 2009 23:40:04.071000 JD62 Lon: -175.4285 Lat: 24.7821 Depth: 5106.3400 meters Speed: 22.6800 km/hr (12.2595 knots) Heading: 281.8500 degrees Sonar Depth: 6.8700 m Sonar Altitude: 5098.9600 m End of Data: Time: 03 04 2009 00:39:53.584000 JD63 Lon: -175.6431 Lat: 24.8195 Depth: 5140.0200 meters Speed: 18.9000 km/hr (10.2162 knots) Heading: 278.6600 degrees Sonar Depth: 7.3000 m Sonar Altitude: 5132.7200 m Limits: Minimum Longitude: -175.6536 Maximum Longitude: -175.4159 Minimum Latitude: 24.7253 Maximum Latitude: 24.8743 Minimum Sonar Depth: 5.8700 Maximum Sonar Depth: 8.5100 Minimum Altitude: 5016.0000 Maximum Altitude: 5147.5200 Minimum Depth: 4855.4500 Maximum Depth: 5181.2900 Minimum Amplitude: -43.5000 Maximum Amplitude: 13.0000 Minimum Sidescan: -59.5000 Maximum Sidescan: 8.3700 Data Record Type Notices: DN: 248 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: 3583 MB_DATA_NAV (ID=12): Navigation record DN: 77 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 3581 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 14 MB_DATA_HEADING (ID=17): Heading record DN: 3350 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 35 MB_DATA_SSV (ID=19): Surface sound speed record Nonfatal Error Notices: EN: 10643 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: PN: 1 DATA PROBLEM (ID=2): Zero longitude or latitude in survey data PN: 1 DATA PROBLEM (ID=3): Instantaneous speed exceeds 25 km/hr Coverage Mask: CM dimensions: 10 10 CM: 1 1 1 1 1 1 0 0 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: 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 1 1 1 1 1 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 1