Swath Data File: 0092_20031014_111054p.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: 182 Bathymetry Data (191 beams): Number of Beams: 34762 Number of Good Beams: 31725 91.26% Number of Zero Beams: 3037 8.74% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 34762 Number of Good Beams: 31725 91.26% Number of Zero Beams: 3037 8.74% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 186368 Number of Good Pixels: 185344 99.45% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 1024 0.55% Navigation Totals: Total Time: 0.9931 hours Total Track Length: 18.4773 km Average Speed: 18.6058 km/hr (10.0572 knots) Start of Data: Time: 10 14 2003 11:11:07.821000 JD287 Lon: -79.2843 Lat: 5.1381 Depth: 3239.7300 meters Speed: 18.7200 km/hr (10.1189 knots) Heading: 346.6000 degrees Sonar Depth: 5.4900 m Sonar Altitude: 3225.7600 m End of Data: Time: 10 14 2003 12:10:42.956000 JD287 Lon: -79.2971 Lat: 5.3039 Depth: 3155.0700 meters Speed: 18.3600 km/hr ( 9.9243 knots) Heading: 356.4200 degrees Sonar Depth: 5.5500 m Sonar Altitude: 3138.9600 m Limits: Minimum Longitude: -79.4210 Maximum Longitude: -79.1559 Minimum Latitude: 5.1081 Maximum Latitude: 5.3108 Minimum Sonar Depth: 4.9100 Maximum Sonar Depth: 6.3000 Minimum Altitude: 3002.4000 Maximum Altitude: 3270.0800 Minimum Depth: 1393.8900 Maximum Depth: 3492.6900 Minimum Amplitude: -36.5000 Maximum Amplitude: 5.5000 Minimum Sidescan: 0.0000 Maximum Sidescan: 71.0500 Data Record Type Notices: DN: 182 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: 3600 MB_DATA_NAV (ID=12): Navigation record DN: 38 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 3601 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 360 MB_DATA_HEADING (ID=17): Heading record DN: 3601 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: 11220 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 0 0 0 CM: 1 1 1 1 0 0 0 0 0 0