Swath Data File: 20070726150151169_0025_20010516_152140pp.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: 329 Bathymetry Data (191 beams): Number of Beams: 62839 Number of Good Beams: 62773 99.89% Number of Zero Beams: 66 0.11% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 62839 Number of Good Beams: 62773 99.89% Number of Zero Beams: 66 0.11% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 336896 Number of Good Pixels: 336896 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.9936 hours Total Track Length: 23.1107 km Average Speed: 23.2589 km/hr (12.5724 knots) Start of Data: Time: 05 16 2001 15:21:49.917000 JD136 Lon: -124.4499 Lat: 39.6787 Depth: 2168.8600 meters Speed: 6.5160 km/hr ( 3.5222 knots) Heading: 354.2900 degrees Sonar Depth: 4.5000 m Sonar Altitude: 2164.3600 m End of Data: Time: 05 16 2001 16:21:26.980000 JD136 Lon: -124.4760 Lat: 39.8859 Depth: 1578.0900 meters Speed: 6.2280 km/hr ( 3.3665 knots) Heading: 352.6100 degrees Sonar Depth: 6.0100 m Sonar Altitude: 1572.0800 m Limits: Minimum Longitude: -124.5583 Maximum Longitude: -124.3685 Minimum Latitude: 39.6732 Maximum Latitude: 39.8943 Minimum Sonar Depth: 3.5500 Maximum Sonar Depth: 6.6300 Minimum Altitude: 1523.9600 Maximum Altitude: 2179.4000 Minimum Depth: 1367.4300 Maximum Depth: 2259.9000 Minimum Amplitude: -38.5000 Maximum Amplitude: 14.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 78.5000 Data Record Type Notices: DN: 329 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: 3582 MB_DATA_NAV (ID=12): Navigation record DN: 152 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 3582 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 353 MB_DATA_HEADING (ID=17): Heading record DN: 3580 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 16 MB_DATA_SSV (ID=19): Surface sound speed record Nonfatal Error Notices: EN: 95 MB_ERROR_COMMENT (ID=-5): Comment record EN: 11268 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record EN: 3 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 0 CM: 1 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 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 1