Swath Data File: 20070726145947032_0004_20010522_010534p.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: 63 Bathymetry Data (191 beams): Number of Beams: 12033 Number of Good Beams: 12004 99.76% Number of Zero Beams: 29 0.24% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 12033 Number of Good Beams: 12004 99.76% Number of Zero Beams: 29 0.24% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 64512 Number of Good Pixels: 64512 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.2823 hours Total Track Length: 6.9072 km Average Speed: 24.4647 km/hr (13.2242 knots) Start of Data: Time: 05 22 2001 01:05:42.515000 JD142 Lon: -126.8706 Lat: 44.6337 Depth: 2885.0000 meters Speed: 6.4800 km/hr ( 3.5027 knots) Heading: 270.1000 degrees Sonar Depth: 5.3200 m Sonar Altitude: 2879.6800 m End of Data: Time: 05 22 2001 01:22:38.916000 JD142 Lon: -126.9576 Lat: 44.6335 Depth: 2886.7900 meters Speed: 6.0480 km/hr ( 3.2692 knots) Heading: 269.1400 degrees Sonar Depth: 4.8700 m Sonar Altitude: 2881.9200 m Limits: Minimum Longitude: -126.9594 Maximum Longitude: -126.8703 Minimum Latitude: 44.5503 Maximum Latitude: 44.7165 Minimum Sonar Depth: 4.1600 Maximum Sonar Depth: 5.5900 Minimum Altitude: 2878.7200 Maximum Altitude: 2882.7200 Minimum Depth: 2752.3300 Maximum Depth: 3012.9700 Minimum Amplitude: -36.5000 Maximum Amplitude: 18.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 62.0000 Data Record Type Notices: DN: 63 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: 1 MB_DATA_STOP (ID=11): Simrad stop datagram DN: 1033 MB_DATA_NAV (ID=12): Navigation record DN: 11 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 1030 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 102 MB_DATA_HEADING (ID=17): Heading record DN: 1031 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 5 MB_DATA_SSV (ID=19): Surface sound speed record Nonfatal Error Notices: EN: 56 MB_ERROR_COMMENT (ID=-5): Comment record EN: 3215 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 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: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1