Swath Data File: 0376_20031025_225345p.mb57 MBIO Data Format ID: 57 Format name: MBF_EM300MBA Informal Description: Simrad multibeam processing format Attributes: Old and new Simrad multibeams, EM12S, EM12D, EM121, EM120, EM300, EM100, EM1000, EM950, EM1002, EM3000, bathymetry, amplitude, and sidescan, up to 254 beams, variable pixels, ascii + binary, MBARI. Metadata: Vessel: Revelle Institution: SIO Platform: Ship Sonar: Simrad_EM-120 Sonar Version: EM120_Version_5.2u1-Kongsberg_Simrad_Norway_A/S_Horten Cruise ID: DANA02RR Cruise Name: Dana_Expedition_Leg_02 PI: Dr._Peter_Lonsdale PI Institution: Scripps_Institution_of_Oceanography Client: NSF/OCE0203636 Corrected Depths: YES Tide Corrected: NO Depths Manually Edited: NO Depths Auto-Edited: NO Roll Bias: -0.490000 degrees Pitch Bias: 0.140000 degrees Heading Bias: 0.000000 degrees Draft: 6.000000 m Data Totals: Number of Records: 168 Bathymetry Data (191 beams): Number of Beams: 32088 Number of Good Beams: 30712 95.71% Number of Zero Beams: 1376 4.29% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 32088 Number of Good Beams: 30712 95.71% Number of Zero Beams: 1376 4.29% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 172032 Number of Good Pixels: 171008 99.40% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 1024 0.60% Navigation Totals: Total Time: 0.9940 hours Total Track Length: 19.0929 km Average Speed: 19.2080 km/hr (10.3827 knots) Start of Data: Time: 10 25 2003 22:54:01.705000 JD298 Lon: -83.9363 Lat: -6.9437 Depth: 4245.8600 meters Speed: 18.3600 km/hr ( 9.9243 knots) Heading: 227.7800 degrees Sonar Depth: 5.2000 m Sonar Altitude: 4256.4800 m End of Data: Time: 10 25 2003 23:53:40.137000 JD298 Lon: -84.0752 Lat: -7.0441 Depth: 4269.8500 meters Speed: 19.8000 km/hr (10.7027 knots) Heading: 228.7900 degrees Sonar Depth: 4.9700 m Sonar Altitude: 4264.8800 m Limits: Minimum Longitude: -84.1613 Maximum Longitude: -83.8584 Minimum Latitude: -7.1279 Maximum Latitude: -6.8520 Minimum Sonar Depth: 3.7600 Maximum Sonar Depth: 6.9800 Minimum Altitude: 4182.6400 Maximum Altitude: 4279.6800 Minimum Depth: 3467.9500 Maximum Depth: 4730.8200 Minimum Amplitude: -35.0000 Maximum Amplitude: 9.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 74.6700 Data Record Type Notices: DN: 168 MB_DATA_DATA (ID=1): survey data DN: 56 MB_DATA_COMMENT (ID=2): comment DN: 1 MB_DATA_VELOCITY_PROFILE (ID=6): SVP DN: 1 MB_DATA_START (ID=10): Simrad start datagram DN: 3563 MB_DATA_NAV (ID=12): Navigation record DN: 28 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 3562 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 356 MB_DATA_HEADING (ID=17): Heading record DN: 3562 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 18 MB_DATA_SSV (ID=19): Surface sound speed record Nonfatal Error Notices: EN: 56 MB_ERROR_COMMENT (ID=-5): Comment record EN: 11091 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record EN: 2 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 1 1 1 0 0 0 0 CM: 0 0 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 1 1 0 0 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 1 CM: 0 1 1 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 0 0 CM: 0 0 0 0 1 1 1 0 0 0