Swath Data File: 0465_20031029_180420p.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: 185 Bathymetry Data (191 beams): Number of Beams: 35335 Number of Good Beams: 34330 97.16% Number of Zero Beams: 1005 2.84% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 35335 Number of Good Beams: 34330 97.16% Number of Zero Beams: 1005 2.84% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 189440 Number of Good Pixels: 188416 99.46% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 1024 0.54% Navigation Totals: Total Time: 0.9958 hours Total Track Length: 18.9138 km Average Speed: 18.9933 km/hr (10.2666 knots) Start of Data: Time: 10 29 2003 18:04:29.616000 JD302 Lon: -83.9718 Lat: -5.0774 Depth: 3789.1900 meters Speed: 18.7200 km/hr (10.1189 knots) Heading: 237.3700 degrees Sonar Depth: 5.5900 m Sonar Altitude: 3783.6000 m End of Data: Time: 10 29 2003 19:04:14.549000 JD302 Lon: -84.1204 Lat: -5.1612 Depth: 3738.3200 meters Speed: 18.3600 km/hr ( 9.9243 knots) Heading: 241.3000 degrees Sonar Depth: 6.0000 m Sonar Altitude: 3732.3200 m Limits: Minimum Longitude: -84.1665 Maximum Longitude: -83.9153 Minimum Latitude: -5.2512 Maximum Latitude: -4.9902 Minimum Sonar Depth: 3.4500 Maximum Sonar Depth: 7.2500 Minimum Altitude: 3505.5200 Maximum Altitude: 3819.7600 Minimum Depth: 3351.5700 Maximum Depth: 4260.3500 Minimum Amplitude: -37.0000 Maximum Amplitude: -1.5000 Minimum Sidescan: 0.0000 Maximum Sidescan: 66.8300 Data Record Type Notices: DN: 185 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: 37 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: 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: 11218 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 1 1 1 0 0 0 CM: 0 0 1 1 1 1 1 0 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 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 1 1 1 1 1 1 0 0 CM: 0 0 0 1 1 1 0 0 0 0