Swath Data File: 2692_20041025_161810_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: 1916 Bathymetry Data (111 beams): Number of Beams: 212676 Number of Good Beams: 212600 99.96% Number of Zero Beams: 76 0.04% Number of Flagged Beams: 0 0.00% Amplitude Data (111 beams): Number of Beams: 212676 Number of Good Beams: 212600 99.96% Number of Zero Beams: 76 0.04% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 1961984 Number of Good Pixels: 1307336 66.63% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 654648 33.37% Navigation Totals: Total Time: 0.0823 hours Total Track Length: 1.0451 km Average Speed: 12.6915 km/hr ( 6.8603 knots) Start of Data: Time: 10 25 2004 16:18:11.667000 JD299 Lon: -6.0160 Lat: 53.5883 Depth: 25.5300 meters Speed: 11.9160 km/hr ( 6.4411 knots) Heading: 162.1600 degrees Sonar Depth: 3.8100 m Sonar Altitude: 21.7400 m End of Data: Time: 10 25 2004 16:23:08.105000 JD299 Lon: -6.0114 Lat: 53.5799 Depth: 25.5400 meters Speed: 12.2400 km/hr ( 6.6162 knots) Heading: 177.3400 degrees Sonar Depth: 3.6300 m Sonar Altitude: 21.9100 m Limits: Minimum Longitude: -6.0166 Maximum Longitude: -6.0107 Minimum Latitude: 53.5799 Maximum Latitude: 53.5884 Minimum Sonar Depth: 3.5300 Maximum Sonar Depth: 4.0900 Minimum Altitude: 20.6400 Maximum Altitude: 22.6600 Minimum Depth: 22.8800 Maximum Depth: 27.6800 Minimum Amplitude: -40.5000 Maximum Amplitude: 3.0000 Minimum Sidescan: -64.0000 Maximum Sidescan: 3.5000 Data Record Type Notices: DN: 1916 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: 297 MB_DATA_NAV (ID=12): Navigation record DN: 175 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 297 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 296 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 3 MB_DATA_SSV (ID=19): Surface sound speed record DN: 591 MB_DATA_NAV2 (ID=29): Auxilliary nav system 2 Nonfatal Error Notices: EN: 1662 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record EN: 8 MB_ERROR_NOT_ENOUGH_DATA (ID=-21): Not enough data to perform spline interpolation Problem Notices: PN: 3 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 0 0 0 0 0 0 0 CM: 1 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: 0 1 1 1 1 1 1 0 0 0 CM: 0 0 0 1 1 1 1 1 1 0 CM: 0 0 0 0 0 1 1 1 1 1 CM: 0 0 0 0 0 0 0 1 1 1 CM: 0 0 0 0 0 0 0 1 1 1 CM: 0 0 0 0 0 0 0 1 1 1