Swath Data File: 20070726150211192_0031_20010515_025221pp.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: 735 Bathymetry Data (191 beams): Number of Beams: 140385 Number of Good Beams: 140138 99.82% Number of Zero Beams: 247 0.18% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 140385 Number of Good Beams: 140138 99.82% Number of Zero Beams: 247 0.18% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 752640 Number of Good Pixels: 752640 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.7926 hours Total Track Length: 17.8747 km Average Speed: 22.5509 km/hr (12.1897 knots) Start of Data: Time: 05 15 2001 02:52:22.597000 JD135 Lon: -120.1548 Lat: 34.2489 Depth: 547.1200 meters Speed: 6.3000 km/hr ( 3.4054 knots) Heading: 322.7400 degrees Sonar Depth: 5.3700 m Sonar Altitude: 541.7500 m End of Data: Time: 05 15 2001 03:39:56.097000 JD135 Lon: -120.3234 Lat: 34.3126 Depth: 362.7600 meters Speed: 6.5160 km/hr ( 3.5222 knots) Heading: 282.8900 degrees Sonar Depth: 5.2500 m Sonar Altitude: 357.5100 m Limits: Minimum Longitude: -120.3274 Maximum Longitude: -120.1331 Minimum Latitude: 34.2352 Maximum Latitude: 34.3271 Minimum Sonar Depth: 4.6300 Maximum Sonar Depth: 5.8900 Minimum Altitude: 0.0000 Maximum Altitude: 553.1400 Minimum Depth: 5.2300 Maximum Depth: 878.0900 Minimum Amplitude: -47.0000 Maximum Amplitude: 8.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 69.0000 Data Record Type Notices: DN: 735 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: 2856 MB_DATA_NAV (ID=12): Navigation record DN: 122 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 2855 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 282 MB_DATA_HEADING (ID=17): Heading record DN: 2854 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 13 MB_DATA_SSV (ID=19): Surface sound speed record Nonfatal Error Notices: EN: 95 MB_ERROR_COMMENT (ID=-5): Comment record EN: 8985 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 0 0 0 0 0 0 CM: 1 1 1 1 1 1 0 1 0 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 0 0 1 1 1 CM: 0 0 0 0 0 0 0 1 1 0