Swath Data File: 20070727103807248_0262_20020719_091029p.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: LPRS02RR Cruise Name: La_Perouse_expedition_leg_02 PI: Chris_Goldfinger PI Institution: Oregon_State_University Client: NSF_EAR0107120 Corrected Depths: YES Tide Corrected: NO Depths Manually Edited: NO Roll Bias: 0.390000 degrees Pitch Bias: -0.140000 degrees Heading Bias: 0.000000 degrees Draft: 6.190000 m Data Totals: Number of Records: 96 Bathymetry Data (191 beams): Number of Beams: 18336 Number of Good Beams: 11508 62.76% Number of Zero Beams: 6828 37.24% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 18336 Number of Good Beams: 11508 62.76% Number of Zero Beams: 6828 37.24% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 98304 Number of Good Pixels: 96256 97.92% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 2048 2.08% Navigation Totals: Total Time: 0.4855 hours Total Track Length: 3.0758 km Average Speed: 6.3351 km/hr ( 3.4244 knots) Start of Data: Time: 07 19 2002 09:10:39.605000 JD200 Lon: -124.7493 Lat: 36.8177 Depth: 4288.2400 meters Speed: 3.6000 km/hr ( 1.9459 knots) Heading: 287.9000 degrees Sonar Depth: 5.4400 m Sonar Altitude: 4282.8000 m End of Data: Time: 07 19 2002 09:39:47.452000 JD200 Lon: -124.7834 Lat: 36.8146 Depth: 4297.9600 meters Speed: 6.3000 km/hr ( 3.4054 knots) Heading: 274.2000 degrees Sonar Depth: 5.5600 m Sonar Altitude: 4292.4000 m Limits: Minimum Longitude: -124.7928 Maximum Longitude: -124.7229 Minimum Latitude: 36.7362 Maximum Latitude: 36.8918 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 6.3600 Minimum Altitude: 0.0000 Maximum Altitude: 4737.2000 Minimum Depth: 3777.1900 Maximum Depth: 5051.4000 Minimum Amplitude: -60.5000 Maximum Amplitude: 2.0000 Minimum Sidescan: 0.0000 Maximum Sidescan: 63.5000 Data Record Type Notices: DN: 96 MB_DATA_DATA (ID=1): survey data DN: 55 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: 1755 MB_DATA_NAV (ID=12): Navigation record DN: 52 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 1755 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 172 MB_DATA_HEADING (ID=17): Heading record DN: 4672 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 6 MB_DATA_SSV (ID=19): Surface sound speed record Nonfatal Error Notices: EN: 55 MB_ERROR_COMMENT (ID=-5): Comment record EN: 8415 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record EN: 1 MB_ERROR_NOT_ENOUGH_DATA (ID=-21): Not enough data to perform spline interpolation Problem Notices: PN: 1 DATA PROBLEM (ID=2): Zero longitude or latitude in survey data PN: 1 DATA PROBLEM (ID=3): Instantaneous speed exceeds 25 km/hr Coverage Mask: CM dimensions: 10 10 CM: 0 1 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 1 0 0 CM: 0 1 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 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 0 0 0 0 0 0