Swath Data File: 0428_20031028_013930p.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: 64 Bathymetry Data (191 beams): Number of Beams: 12224 Number of Good Beams: 10815 88.47% Number of Zero Beams: 1409 11.53% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 12224 Number of Good Beams: 10815 88.47% Number of Zero Beams: 1409 11.53% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 65536 Number of Good Pixels: 65536 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.4134 hours Total Track Length: 9.4995 km Average Speed: 22.9800 km/hr (12.4216 knots) Start of Data: Time: 10 28 2003 01:39:50.961000 JD301 Lon: -84.3466 Lat: -7.0018 Depth: 3902.9700 meters Speed: 21.6000 km/hr (11.6757 knots) Heading: 50.7700 degrees Sonar Depth: 5.4500 m Sonar Altitude: 3754.1600 m End of Data: Time: 10 28 2003 02:04:39.137000 JD301 Lon: -84.2840 Lat: -6.9431 Depth: 3952.9400 meters Speed: 21.6000 km/hr (11.6757 knots) Heading: 47.4900 degrees Sonar Depth: 5.4200 m Sonar Altitude: 3947.5200 m Limits: Minimum Longitude: -84.4177 Maximum Longitude: -84.2013 Minimum Latitude: -7.0969 Maximum Latitude: -6.8604 Minimum Sonar Depth: 4.9000 Maximum Sonar Depth: 6.2900 Minimum Altitude: 3690.0000 Maximum Altitude: 4008.2400 Minimum Depth: 3498.4200 Maximum Depth: 4976.9500 Minimum Amplitude: -36.5000 Maximum Amplitude: 4.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 77.8600 Data Record Type Notices: DN: 64 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: 1532 MB_DATA_NAV (ID=12): Navigation record DN: 19 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 1533 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 153 MB_DATA_HEADING (ID=17): Heading record DN: 1533 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 8 MB_DATA_SSV (ID=19): Surface sound speed record Nonfatal Error Notices: EN: 56 MB_ERROR_COMMENT (ID=-5): Comment record EN: 4781 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 1 0 0 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 1 1 1 1 1 1 0 0 0 0 CM: 1 1 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 1 1 0 0 CM: 0 0 1 1 1 1 1 1 1 0 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 0 0 1 1 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 0