Swath Data File: em120-074-052055-0128.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: 209 Bathymetry Data (191 beams): Number of Beams: 39919 Number of Good Beams: 37506 93.96% Number of Zero Beams: 2413 6.04% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 39919 Number of Good Beams: 37506 93.96% Number of Zero Beams: 2413 6.04% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 214016 Number of Good Pixels: 147387 68.87% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 66629 31.13% Navigation Totals: Total Time: 0.9932 hours Total Track Length: 22.1122 km Average Speed: 22.2629 km/hr (12.0340 knots) Start of Data: Time: 03 15 2009 05:21:12.128000 JD74 Lon: 126.3963 Lat: 22.8583 Depth: 5736.5700 meters Speed: 21.7800 km/hr (11.7730 knots) Heading: 256.3200 degrees Sonar Depth: 6.4400 m Sonar Altitude: 5879.2000 m End of Data: Time: 03 15 2009 06:20:47.754000 JD74 Lon: 126.1881 Lat: 22.8071 Depth: 5504.3100 meters Speed: 21.8160 km/hr (11.7924 knots) Heading: 253.5500 degrees Sonar Depth: 7.1900 m Sonar Altitude: 5477.6000 m Limits: Minimum Longitude: 126.1693 Maximum Longitude: 126.4142 Minimum Latitude: 22.7430 Maximum Latitude: 22.9272 Minimum Sonar Depth: 6.0600 Maximum Sonar Depth: 8.5200 Minimum Altitude: 5285.4400 Maximum Altitude: 5879.2000 Minimum Depth: 4752.7700 Maximum Depth: 6250.5100 Minimum Amplitude: -39.5000 Maximum Amplitude: 14.5000 Minimum Sidescan: -64.0000 Maximum Sidescan: 9.5000 Data Record Type Notices: DN: 209 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: 3567 MB_DATA_NAV (ID=12): Navigation record DN: 114 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 3568 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 25 MB_DATA_HEADING (ID=17): Heading record DN: 3335 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 36 MB_DATA_SSV (ID=19): Surface sound speed record DN: 1742 MB_DATA_NAV3 (ID=30): Auxilliary nav system 3 Nonfatal Error Notices: EN: 12390 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: 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: 0 0 1 0 0 1 1 1 1 0 CM: 0 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 0 CM: 0 1 1 1 0 0 1 0 0 0