Swath Data File: 0368_20031025_152745p.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: 166 Bathymetry Data (191 beams): Number of Beams: 31706 Number of Good Beams: 30127 95.02% Number of Zero Beams: 1579 4.98% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 31706 Number of Good Beams: 30127 95.02% Number of Zero Beams: 1579 4.98% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 169984 Number of Good Pixels: 168960 99.40% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 1024 0.60% Navigation Totals: Total Time: 0.9904 hours Total Track Length: 18.4362 km Average Speed: 18.6150 km/hr (10.0621 knots) Start of Data: Time: 10 25 2003 15:28:07.664000 JD298 Lon: -84.3922 Lat: -5.9839 Depth: 4144.4200 meters Speed: 18.7200 km/hr (10.1189 knots) Heading: 142.2800 degrees Sonar Depth: 5.7800 m Sonar Altitude: 4138.6400 m End of Data: Time: 10 25 2003 16:27:33.102000 JD298 Lon: -84.2952 Lat: -6.1193 Depth: 4069.3700 meters Speed: 17.8200 km/hr ( 9.6324 knots) Heading: 143.3700 degrees Sonar Depth: 5.1300 m Sonar Altitude: 4064.2400 m Limits: Minimum Longitude: -84.4828 Maximum Longitude: -84.2040 Minimum Latitude: -6.1864 Maximum Latitude: -5.9136 Minimum Sonar Depth: 4.1600 Maximum Sonar Depth: 7.4300 Minimum Altitude: 3023.1200 Maximum Altitude: 4144.4000 Minimum Depth: 1738.7100 Maximum Depth: 4468.0800 Minimum Amplitude: -38.5000 Maximum Amplitude: 4.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 70.6000 Data Record Type Notices: DN: 166 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: 42 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: 11222 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: 0 0 0 0 0 1 1 1 1 0 CM: 0 0 0 0 1 1 1 1 1 0 CM: 0 0 1 1 1 1 1 1 1 0 CM: 0 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 0 CM: 1 1 1 1 1 1 1 1 0 0 CM: 0 1 1 1 1 1 1 0 0 0 CM: 0 0 1 1 1 0 0 0 0 0