Swath Data File: 20070726150101116_0015_20010516_064332pp.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: 31 Bathymetry Data (191 beams): Number of Beams: 5921 Number of Good Beams: 5921 100.00% Number of Zero Beams: 0 0.00% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 5921 Number of Good Beams: 5921 100.00% Number of Zero Beams: 0 0.00% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 31744 Number of Good Pixels: 31744 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1642 hours Total Track Length: 0.0305 km Average Speed: 0.1859 km/hr ( 0.1005 knots) Start of Data: Time: 05 16 2001 06:43:38.388000 JD136 Lon: -124.2503 Lat: 38.0831 Depth: 3789.9200 meters Speed: 0.6480 km/hr ( 0.3503 knots) Heading: 338.2000 degrees Sonar Depth: 5.8400 m Sonar Altitude: 3784.0800 m End of Data: Time: 05 16 2001 06:53:29.376000 JD136 Lon: -124.2502 Lat: 38.0830 Depth: 3790.2300 meters Speed: 0.2160 km/hr ( 0.1168 knots) Heading: 339.4000 degrees Sonar Depth: 4.6300 m Sonar Altitude: 3785.6000 m Limits: Minimum Longitude: -124.3789 Maximum Longitude: -124.1219 Minimum Latitude: 38.0428 Maximum Latitude: 38.1232 Minimum Sonar Depth: 4.1200 Maximum Sonar Depth: 6.1200 Minimum Altitude: 3783.6000 Maximum Altitude: 3787.3600 Minimum Depth: 3635.4000 Maximum Depth: 3921.0800 Minimum Amplitude: -32.0000 Maximum Amplitude: 9.5000 Minimum Sidescan: 0.0000 Maximum Sidescan: 66.0900 Data Record Type Notices: DN: 31 MB_DATA_DATA (ID=1): survey data DN: 95 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: 618 MB_DATA_NAV (ID=12): Navigation record DN: 5 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 617 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 61 MB_DATA_HEADING (ID=17): Heading record DN: 618 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 3 MB_DATA_SSV (ID=19): Surface sound speed record Nonfatal Error Notices: EN: 95 MB_ERROR_COMMENT (ID=-5): Comment record EN: 1925 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: 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 0 CM: 0 0 0 0 0 1 1 1 0 0 CM: 0 0 0 0 1 1 1 0 0 0 CM: 0 0 0 1 1 1 0 0 0 0 CM: 0 0 1 1 0 0 0 0 0 0 CM: 0 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