Swath Data File: 2657_20041017_223551_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: 2424 Bathymetry Data (111 beams): Number of Beams: 269064 Number of Good Beams: 268995 99.97% Number of Zero Beams: 69 0.03% Number of Flagged Beams: 0 0.00% Amplitude Data (111 beams): Number of Beams: 269064 Number of Good Beams: 268995 99.97% Number of Zero Beams: 69 0.03% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 2482176 Number of Good Pixels: 1684058 67.85% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 798118 32.15% Navigation Totals: Total Time: 0.1460 hours Total Track Length: 2.2481 km Average Speed: 15.3971 km/hr ( 8.3227 knots) Start of Data: Time: 10 17 2004 22:35:51.659000 JD291 Lon: -6.0199 Lat: 53.9234 Depth: 32.3900 meters Speed: 15.4080 km/hr ( 8.3286 knots) Heading: 178.7400 degrees Sonar Depth: 4.0100 m Sonar Altitude: 28.1900 m End of Data: Time: 10 17 2004 22:44:37.299000 JD291 Lon: -6.0190 Lat: 53.9034 Depth: 34.8700 meters Speed: 14.9400 km/hr ( 8.0757 knots) Heading: 187.0400 degrees Sonar Depth: 4.0500 m Sonar Altitude: 30.6300 m Limits: Minimum Longitude: -6.0207 Maximum Longitude: -6.0170 Minimum Latitude: 53.9033 Maximum Latitude: 53.9234 Minimum Sonar Depth: 3.8300 Maximum Sonar Depth: 4.1700 Minimum Altitude: 27.9400 Maximum Altitude: 32.0100 Minimum Depth: 30.8400 Maximum Depth: 37.7500 Minimum Amplitude: -42.0000 Maximum Amplitude: 1.0000 Minimum Sidescan: -64.0000 Maximum Sidescan: 7.0000 Data Record Type Notices: DN: 2424 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: 526 MB_DATA_NAV (ID=12): Navigation record DN: 587 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 526 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 526 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 5 MB_DATA_SSV (ID=19): Surface sound speed record DN: 1049 MB_DATA_NAV2 (ID=29): Auxilliary nav system 2 Nonfatal Error Notices: EN: 3222 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record EN: 7 MB_ERROR_NOT_ENOUGH_DATA (ID=-21): Not enough data to perform spline interpolation Problem Notices: PN: 2 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 1 0 0 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 0 1 1 1 1 1 1 1 0 CM: 0 0 1 1 1 1 1 1 1 0 CM: 0 0 1 1 1 1 1 1 1 0 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 0