Swath Data File: 0310_20031023_082134p.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: 167 Bathymetry Data (191 beams): Number of Beams: 31897 Number of Good Beams: 29390 92.14% Number of Zero Beams: 2507 7.86% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 31897 Number of Good Beams: 29390 92.14% Number of Zero Beams: 2507 7.86% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 171008 Number of Good Pixels: 169984 99.40% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 1024 0.60% Navigation Totals: Total Time: 0.9912 hours Total Track Length: 23.2192 km Average Speed: 23.4258 km/hr (12.6626 knots) Start of Data: Time: 10 23 2003 08:21:47.464000 JD296 Lon: -86.4587 Lat: -5.6946 Depth: 3770.1300 meters Speed: 22.5000 km/hr (12.1622 knots) Heading: 241.8300 degrees Sonar Depth: 5.9700 m Sonar Altitude: 3770.8800 m End of Data: Time: 10 23 2003 09:21:15.719000 JD296 Lon: -86.6517 Lat: -5.6716 Depth: 3948.3700 meters Speed: 23.4000 km/hr (12.6486 knots) Heading: 287.3300 degrees Sonar Depth: 5.7300 m Sonar Altitude: 3916.8000 m Limits: Minimum Longitude: -86.6864 Maximum Longitude: -86.4083 Minimum Latitude: -5.8465 Maximum Latitude: -5.5626 Minimum Sonar Depth: 4.8400 Maximum Sonar Depth: 6.3300 Minimum Altitude: 3762.8800 Maximum Altitude: 3939.5200 Minimum Depth: 3092.1300 Maximum Depth: 4982.8000 Minimum Amplitude: -38.0000 Maximum Amplitude: 6.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 72.5000 Data Record Type Notices: DN: 167 MB_DATA_DATA (ID=1): survey data DN: 150 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: 61 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: 3599 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 18 MB_DATA_SSV (ID=19): Surface sound speed record Nonfatal Error Notices: EN: 150 MB_ERROR_COMMENT (ID=-5): Comment record EN: 11240 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 1 1 1 0 1 0 0 0 CM: 0 1 1 1 1 1 1 1 0 0 CM: 0 1 1 1 1 1 1 1 0 0 CM: 0 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: 1 1 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 1