Swath Data File: 0313_20031023_112135p.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: 447 Bathymetry Data (191 beams): Number of Beams: 85377 Number of Good Beams: 85191 99.78% Number of Zero Beams: 186 0.22% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 85377 Number of Good Beams: 85191 99.78% Number of Zero Beams: 186 0.22% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 457728 Number of Good Pixels: 456704 99.78% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 1024 0.22% Navigation Totals: Total Time: 0.9992 hours Total Track Length: 0.4919 km Average Speed: 0.4923 km/hr ( 0.2661 knots) Start of Data: Time: 10 23 2003 11:21:37.714000 JD296 Lon: -86.7067 Lat: -5.6517 Depth: 3992.3500 meters Speed: 1.0800 km/hr ( 0.5838 knots) Heading: 175.3700 degrees Sonar Depth: 5.4700 m Sonar Altitude: 3986.8800 m End of Data: Time: 10 23 2003 12:21:35.009000 JD296 Lon: -86.7066 Lat: -5.6551 Depth: 3653.9700 meters Speed: 0.1677 km/hr ( 0.0907 knots) Heading: 173.6600 degrees Sonar Depth: 5.6500 m Sonar Altitude: 3648.3200 m Limits: Minimum Longitude: -86.7703 Maximum Longitude: -86.6429 Minimum Latitude: -5.6636 Maximum Latitude: -5.6443 Minimum Sonar Depth: 4.6600 Maximum Sonar Depth: 6.5200 Minimum Altitude: 3608.5600 Maximum Altitude: 4068.4800 Minimum Depth: 3613.6600 Maximum Depth: 4251.1400 Minimum Amplitude: -32.0000 Maximum Amplitude: 8.5000 Minimum Sidescan: 0.0000 Maximum Sidescan: 74.5000 Data Record Type Notices: DN: 447 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: 3601 MB_DATA_NAV (ID=12): Navigation record DN: 82 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 3601 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 361 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: 150 MB_ERROR_COMMENT (ID=-5): Comment record EN: 11266 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 0 0 0 1 1 CM: 0 0 0 0 0 0 0 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 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 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 1 1 1 1 0 0 0 0 0 0 CM: 1 1 1 0 0 0 0 0 0 0 CM: 1 1 0 0 0 0 0 0 0 0