Swath Data File: 0569_20031103_191357p.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: 174 Bathymetry Data (191 beams): Number of Beams: 33234 Number of Good Beams: 30533 91.87% Number of Zero Beams: 2701 8.13% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 33234 Number of Good Beams: 30533 91.87% Number of Zero Beams: 2701 8.13% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 178176 Number of Good Pixels: 177152 99.43% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 1024 0.57% Navigation Totals: Total Time: 0.9948 hours Total Track Length: 18.1230 km Average Speed: 18.2175 km/hr ( 9.8473 knots) Start of Data: Time: 11 03 2003 19:14:06.681000 JD307 Lon: -82.1854 Lat: -4.1818 Depth: 3753.0900 meters Speed: 18.1800 km/hr ( 9.8270 knots) Heading: 309.2200 degrees Sonar Depth: 5.4900 m Sonar Altitude: 3749.2800 m End of Data: Time: 11 03 2003 20:13:48.003000 JD307 Lon: -82.3085 Lat: -4.0742 Depth: 3497.4500 meters Speed: 18.3600 km/hr ( 9.9243 knots) Heading: 312.3000 degrees Sonar Depth: 5.5300 m Sonar Altitude: 3491.0400 m Limits: Minimum Longitude: -82.3880 Maximum Longitude: -82.1052 Minimum Latitude: -4.2685 Maximum Latitude: -3.9852 Minimum Sonar Depth: 4.7600 Maximum Sonar Depth: 6.4000 Minimum Altitude: 3401.9200 Maximum Altitude: 3772.0000 Minimum Depth: 2819.9000 Maximum Depth: 4049.7600 Minimum Amplitude: -39.0000 Maximum Amplitude: -4.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 69.2900 Data Record Type Notices: DN: 174 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: 44 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 3599 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: 11223 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 1 1 0 0 0 0 CM: 0 0 0 1 1 1 1 1 0 0 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 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 1 0 0 CM: 0 0 1 1 1 1 1 0 0 0 CM: 0 0 0 1 1 1 0 0 0 0