Swath Data File: 0400_20031026_223448p.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: 11 Bathymetry Data (191 beams): Number of Beams: 2101 Number of Good Beams: 1984 94.43% Number of Zero Beams: 117 5.57% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 2101 Number of Good Beams: 1984 94.43% Number of Zero Beams: 117 5.57% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 11264 Number of Good Pixels: 11264 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.0658 hours Total Track Length: 1.2200 km Average Speed: 18.5442 km/hr (10.0239 knots) Start of Data: Time: 10 26 2003 22:35:01.557000 JD299 Lon: -85.4294 Lat: -6.0347 Depth: 4060.3800 meters Speed: 18.1800 km/hr ( 9.8270 knots) Heading: 76.1200 degrees Sonar Depth: 6.1400 m Sonar Altitude: 4059.2000 m End of Data: Time: 10 26 2003 22:38:58.406000 JD299 Lon: -85.4186 Lat: -6.0322 Depth: 4076.7500 meters Speed: 17.2800 km/hr ( 9.3405 knots) Heading: 76.4000 degrees Sonar Depth: 4.8300 m Sonar Altitude: 4071.9200 m Limits: Minimum Longitude: -85.4591 Maximum Longitude: -85.3883 Minimum Latitude: -6.1609 Maximum Latitude: -5.9073 Minimum Sonar Depth: 4.8300 Maximum Sonar Depth: 6.1400 Minimum Altitude: 4050.2400 Maximum Altitude: 4071.9200 Minimum Depth: 3877.7900 Maximum Depth: 4360.9400 Minimum Amplitude: -33.0000 Maximum Amplitude: 1.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 62.0600 Data Record Type Notices: DN: 11 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: 1 MB_DATA_STOP (ID=11): Simrad stop datagram DN: 276 MB_DATA_NAV (ID=12): Navigation record DN: 4 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 277 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 28 MB_DATA_HEADING (ID=17): Heading record DN: 277 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 1 MB_DATA_SSV (ID=19): Surface sound speed record Nonfatal Error Notices: EN: 56 MB_ERROR_COMMENT (ID=-5): Comment record EN: 866 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 0 0 0 0 0 0 0 CM: 1 1 1 1 0 0 0 0 0 0 CM: 0 1 1 1 1 0 0 0 0 0 CM: 0 0 1 1 1 0 0 0 0 0 CM: 0 0 0 1 1 1 0 0 0 0 CM: 0 0 0 0 1 1 1 0 0 0 CM: 0 0 0 0 0 1 1 1 0 0 CM: 0 0 0 0 0 1 1 1 1 0 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 0 0 1 1 1