Swath Data File: 20070726150221207_0035_20010515_054524pp.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: 579 Bathymetry Data (191 beams): Number of Beams: 110589 Number of Good Beams: 108726 98.32% Number of Zero Beams: 1863 1.68% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 110589 Number of Good Beams: 108726 98.32% Number of Zero Beams: 1863 1.68% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 592896 Number of Good Pixels: 591872 99.83% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 1024 0.17% Navigation Totals: Total Time: 0.9972 hours Total Track Length: 21.0625 km Average Speed: 21.1224 km/hr (11.4175 knots) Start of Data: Time: 05 15 2001 05:45:24.454000 JD135 Lon: -120.7973 Lat: 34.4219 Depth: 639.4600 meters Speed: 5.8320 km/hr ( 3.1524 knots) Heading: 287.6000 degrees Sonar Depth: 6.2200 m Sonar Altitude: 633.2400 m End of Data: Time: 05 15 2001 06:45:14.239000 JD135 Lon: -120.9617 Lat: 34.5419 Depth: 798.9800 meters Speed: 5.2200 km/hr ( 2.8216 knots) Heading: 323.3000 degrees Sonar Depth: 5.8200 m Sonar Altitude: 793.1600 m Limits: Minimum Longitude: -120.9930 Maximum Longitude: -120.7878 Minimum Latitude: 34.3970 Maximum Latitude: 34.5611 Minimum Sonar Depth: 3.9600 Maximum Sonar Depth: 6.4100 Minimum Altitude: 0.0000 Maximum Altitude: 840.0800 Minimum Depth: 4.9000 Maximum Depth: 1241.0100 Minimum Amplitude: -45.5000 Maximum Amplitude: 7.5000 Minimum Sidescan: 0.0000 Maximum Sidescan: 71.0000 Data Record Type Notices: DN: 579 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: 3595 MB_DATA_NAV (ID=12): Navigation record DN: 168 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 3594 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 355 MB_DATA_HEADING (ID=17): Heading record DN: 3594 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 17 MB_DATA_SSV (ID=19): Surface sound speed record Nonfatal Error Notices: EN: 95 MB_ERROR_COMMENT (ID=-5): Comment record EN: 11326 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 1 1 1 0 0 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 1 1 1 1 1 1 0 0 0 0 CM: 0 1 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 1 1 0 0 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 0 0 1 1 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 1