Swath Data File: 0503_20031031_215338p.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: 180 Bathymetry Data (191 beams): Number of Beams: 34380 Number of Good Beams: 30450 88.57% Number of Zero Beams: 3930 11.43% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 34380 Number of Good Beams: 30450 88.57% Number of Zero Beams: 3930 11.43% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 184320 Number of Good Pixels: 183296 99.44% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 1024 0.56% Navigation Totals: Total Time: 0.9971 hours Total Track Length: 19.7423 km Average Speed: 19.7989 km/hr (10.7021 knots) Start of Data: Time: 10 31 2003 21:53:45.410000 JD304 Lon: -83.2569 Lat: -5.2133 Depth: 2130.2700 meters Speed: 19.6200 km/hr (10.6054 knots) Heading: 57.1400 degrees Sonar Depth: 5.5500 m Sonar Altitude: 2131.0400 m End of Data: Time: 10 31 2003 22:53:35.108000 JD304 Lon: -83.1588 Lat: -5.0930 Depth: 3748.5100 meters Speed: 20.3400 km/hr (10.9946 knots) Heading: 312.5400 degrees Sonar Depth: 4.9900 m Sonar Altitude: 3593.5200 m Limits: Minimum Longitude: -83.3005 Maximum Longitude: -83.0410 Minimum Latitude: -5.2809 Maximum Latitude: -5.0080 Minimum Sonar Depth: 4.9200 Maximum Sonar Depth: 6.2800 Minimum Altitude: 2080.8000 Maximum Altitude: 3609.7600 Minimum Depth: 1953.4600 Maximum Depth: 4260.6900 Minimum Amplitude: -43.5000 Maximum Amplitude: 10.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 78.4000 Data Record Type Notices: DN: 180 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: 29 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 3600 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 360 MB_DATA_HEADING (ID=17): Heading record DN: 3600 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: 11209 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 0 0 0 0 0 0 0 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 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 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 1 0 0 CM: 0 0 1 1 1 1 1 1 0 0 CM: 0 0 1 1 1 0 0 0 0 0