Swath Data File: em120-074-232056-0146.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: 178 Bathymetry Data (191 beams): Number of Beams: 33998 Number of Good Beams: 30683 90.25% Number of Zero Beams: 3315 9.75% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 33998 Number of Good Beams: 30683 90.25% Number of Zero Beams: 3315 9.75% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 182272 Number of Good Pixels: 135789 74.50% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 46483 25.50% Navigation Totals: Total Time: 0.9966 hours Total Track Length: 15.0000 km Average Speed: 15.0514 km/hr ( 8.1359 knots) Start of Data: Time: 03 15 2009 23:21:00.140000 JD74 Lon: 122.6052 Lat: 21.9541 Depth: 4873.3400 meters Speed: 15.2640 km/hr ( 8.2508 knots) Heading: 254.6400 degrees Sonar Depth: 6.9400 m Sonar Altitude: 4877.2800 m End of Data: Time: 03 16 2009 00:20:47.844000 JD75 Lon: 122.4612 Lat: 21.9369 Depth: 4861.0400 meters Speed: 14.7240 km/hr ( 7.9589 knots) Heading: 254.6400 degrees Sonar Depth: 7.2000 m Sonar Altitude: 4858.6400 m Limits: Minimum Longitude: 122.4383 Maximum Longitude: 122.6275 Minimum Latitude: 21.8562 Maximum Latitude: 22.0407 Minimum Sonar Depth: 6.4600 Maximum Sonar Depth: 7.7300 Minimum Altitude: 4828.7200 Maximum Altitude: 4904.0800 Minimum Depth: 4650.9200 Maximum Depth: 5205.4100 Minimum Amplitude: -42.0000 Maximum Amplitude: 23.5000 Minimum Sidescan: -64.0000 Maximum Sidescan: 15.0000 Data Record Type Notices: DN: 178 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: 3600 MB_DATA_NAV (ID=12): Navigation record DN: 95 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 3601 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 19 MB_DATA_HEADING (ID=17): Heading record DN: 3368 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 36 MB_DATA_SSV (ID=19): Surface sound speed record DN: 1390 MB_DATA_NAV3 (ID=30): Auxilliary nav system 3 Nonfatal Error Notices: EN: 12112 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: 1 1 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 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 0 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: 0 1 1 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 1