Swath Data File: 0649_20031012_094052_raw.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: 668 Bathymetry Data (191 beams): Number of Beams: 127588 Number of Good Beams: 109105 85.51% Number of Zero Beams: 18483 14.49% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 127588 Number of Good Beams: 109105 85.51% Number of Zero Beams: 18483 14.49% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 684032 Number of Good Pixels: 308447 45.09% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 375585 54.91% Navigation Totals: Total Time: 0.9983 hours Total Track Length: 20.7238 km Average Speed: 20.7600 km/hr (11.2216 knots) Start of Data: Time: 10 12 2003 09:40:56.424000 JD285 Lon: 177.3329 Lat: -40.6091 Depth: 1902.8000 meters Speed: 20.9160 km/hr (11.3059 knots) Heading: 234.7800 degrees Sonar Depth: 7.2000 m Sonar Altitude: 1891.2800 m End of Data: Time: 10 12 2003 10:40:50.140000 JD285 Lon: 177.1385 Lat: -40.7226 Depth: 1650.4000 meters Speed: 20.7000 km/hr (11.1892 knots) Heading: 231.4900 degrees Sonar Depth: 6.8000 m Sonar Altitude: 1643.6000 m Limits: Minimum Longitude: 177.1265 Maximum Longitude: 177.3465 Minimum Latitude: -40.7346 Maximum Latitude: -40.5954 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 8.1900 Minimum Altitude: 0.0000 Maximum Altitude: 2025.0800 Minimum Depth: 1596.2500 Maximum Depth: 2041.8300 Minimum Amplitude: -61.5000 Maximum Amplitude: 20.0000 Minimum Sidescan: -64.0000 Maximum Sidescan: 14.5000 Data Record Type Notices: DN: 668 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: 14360 MB_DATA_NAV (ID=12): Navigation record DN: 126 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 14346 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 342 MB_DATA_HEADING (ID=17): Heading record DN: 3592 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 5 MB_DATA_SSV (ID=19): Surface sound speed record Nonfatal Error Notices: EN: 32774 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record EN: 3 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 0 0 0 0 0 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 1 CM: 0 0 0 0 1 1 1 1 1 0 CM: 0 0 0 1 1 1 1 1 0 0 CM: 0 0 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 1 1 1 1 0 0 0 0 0 0 CM: 1 1 1 0 0 0 0 0 0 0