Swath Data File: 20070726150157178_0027_20010529_153254pp.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_5.1u22-Kongsberg_Simrad_Norway_A/S_Horten Cruise ID: DRFT01RR Cruise Name: Drift_Expedition_Leg_01 PI: Fred_Spiess PI Institution: Scripps_Institution_of_Oceanography Client: OCE97-30870 Corrected Depths: YES Tide Corrected: NO Depths Manually Edited: NO Depths Auto-Edited: NO Roll Bias: 0.050000 degrees Pitch Bias: 0.000000 degrees Heading Bias: 0.000000 degrees Draft: 6.000000 m Data Totals: Number of Records: 248 Bathymetry Data (191 beams): Number of Beams: 47368 Number of Good Beams: 44098 93.10% Number of Zero Beams: 3270 6.90% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 47368 Number of Good Beams: 44098 93.10% Number of Zero Beams: 3270 6.90% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 253952 Number of Good Pixels: 250880 98.79% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 3072 1.21% Navigation Totals: Total Time: 0.9888 hours Total Track Length: 23.7906 km Average Speed: 24.0605 km/hr (13.0057 knots) Start of Data: Time: 05 29 2001 15:33:05.262000 JD149 Lon: -124.4585 Lat: 39.4877 Depth: 2406.6300 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 175.1600 degrees Sonar Depth: 5.5500 m Sonar Altitude: 2401.0800 m End of Data: Time: 05 29 2001 16:32:24.868000 JD149 Lon: -124.4265 Lat: 39.2749 Depth: 2026.5600 meters Speed: 6.4800 km/hr ( 3.5027 knots) Heading: 174.5700 degrees Sonar Depth: 5.0400 m Sonar Altitude: 2021.5200 m Limits: Minimum Longitude: -124.5590 Maximum Longitude: -124.3520 Minimum Latitude: 39.2673 Maximum Latitude: 39.4956 Minimum Sonar Depth: 3.7200 Maximum Sonar Depth: 6.4800 Minimum Altitude: 0.0000 Maximum Altitude: 2657.4400 Minimum Depth: 1548.3300 Maximum Depth: 3332.8400 Minimum Amplitude: -51.0000 Maximum Amplitude: 4.5000 Minimum Sidescan: 0.0000 Maximum Sidescan: 67.5000 Data Record Type Notices: DN: 248 MB_DATA_DATA (ID=1): survey data DN: 84 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: 1 MB_DATA_STOP (ID=11): Simrad stop datagram DN: 3578 MB_DATA_NAV (ID=12): Navigation record DN: 70 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 3577 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 354 MB_DATA_HEADING (ID=17): Heading record DN: 3578 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 16 MB_DATA_SSV (ID=19): Surface sound speed record Nonfatal Error Notices: EN: 84 MB_ERROR_COMMENT (ID=-5): Comment record EN: 11176 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record EN: 2 MB_ERROR_NOT_ENOUGH_DATA (ID=-21): Not enough data to perform spline interpolation Problem Notices: Coverage Mask: CM dimensions: 10 10 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 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 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 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 1