Swath Data File: 0162_20031017_060428p.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: 170 Bathymetry Data (191 beams): Number of Beams: 32470 Number of Good Beams: 27379 84.32% Number of Zero Beams: 5091 15.68% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 32470 Number of Good Beams: 27379 84.32% Number of Zero Beams: 5091 15.68% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 174080 Number of Good Pixels: 173056 99.41% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 1024 0.59% Navigation Totals: Total Time: 0.9979 hours Total Track Length: 22.3829 km Average Speed: 22.4293 km/hr (12.1239 knots) Start of Data: Time: 10 17 2003 06:04:32.553000 JD290 Lon: -79.6867 Lat: 3.7238 Depth: 3959.6300 meters Speed: 21.4200 km/hr (11.5784 knots) Heading: 36.5200 degrees Sonar Depth: 5.7900 m Sonar Altitude: 3953.8400 m End of Data: Time: 10 17 2003 07:04:25.112000 JD290 Lon: -79.6042 Lat: 3.8977 Depth: 3962.2900 meters Speed: 22.5000 km/hr (12.1622 knots) Heading: 1.0300 degrees Sonar Depth: 5.7300 m Sonar Altitude: 3956.5600 m Limits: Minimum Longitude: -79.8073 Maximum Longitude: -79.4543 Minimum Latitude: 3.6326 Maximum Latitude: 3.9126 Minimum Sonar Depth: 5.2100 Maximum Sonar Depth: 6.3100 Minimum Altitude: 3936.9600 Maximum Altitude: 4390.5600 Minimum Depth: 2518.7400 Maximum Depth: 4487.7700 Minimum Amplitude: -40.5000 Maximum Amplitude: 9.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 71.6700 Data Record Type Notices: DN: 170 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: 59 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 3601 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: 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 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 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 0 1 1 1 1 1 1 1 0 CM: 0 0 0 1 1 1 1 1 1 0 CM: 0 0 0 0 1 1 1 1 1 0 CM: 0 0 0 0 0 1 1 1 0 0