Swath Data File: 0620_20031106_010526p.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: 169 Bathymetry Data (191 beams): Number of Beams: 32279 Number of Good Beams: 30688 95.07% Number of Zero Beams: 1591 4.93% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 32279 Number of Good Beams: 30688 95.07% Number of Zero Beams: 1591 4.93% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 173056 Number of Good Pixels: 172032 99.41% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 1024 0.59% Navigation Totals: Total Time: 0.9942 hours Total Track Length: 23.7984 km Average Speed: 23.9382 km/hr (12.9396 knots) Start of Data: Time: 11 06 2003 01:05:34.545000 JD310 Lon: -81.7062 Lat: -2.6365 Depth: 3413.8700 meters Speed: 23.2200 km/hr (12.5514 knots) Heading: 31.4200 degrees Sonar Depth: 5.6300 m Sonar Altitude: 3423.3600 m End of Data: Time: 11 06 2003 02:05:13.523000 JD310 Lon: -81.6415 Lat: -2.4450 Depth: 1775.9200 meters Speed: 23.4000 km/hr (12.6486 knots) Heading: 53.1500 degrees Sonar Depth: 5.7600 m Sonar Altitude: 1770.1600 m Limits: Minimum Longitude: -81.8187 Maximum Longitude: -81.5742 Minimum Latitude: -2.6945 Maximum Latitude: -2.3806 Minimum Sonar Depth: 5.1900 Maximum Sonar Depth: 6.1100 Minimum Altitude: 1769.5200 Maximum Altitude: 3474.0000 Minimum Depth: 1609.7700 Maximum Depth: 4506.9500 Minimum Amplitude: -41.0000 Maximum Amplitude: 9.5000 Minimum Sidescan: 0.0000 Maximum Sidescan: 74.5000 Data Record Type Notices: DN: 169 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: 45 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: 11225 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 1 1 0 0 0 CM: 0 1 1 1 1 1 1 1 0 0 CM: 0 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: 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 0 0 0 1 1 1 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1