Swath Data File: 20070727103809250_0264_20020719_175101p.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: 132 Bathymetry Data (191 beams): Number of Beams: 25212 Number of Good Beams: 23173 91.91% Number of Zero Beams: 2039 8.09% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 25212 Number of Good Beams: 23173 91.91% Number of Zero Beams: 2039 8.09% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 135168 Number of Good Pixels: 134144 99.24% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 1024 0.76% Navigation Totals: Total Time: 0.6760 hours Total Track Length: 14.8923 km Average Speed: 22.0312 km/hr (11.9087 knots) Start of Data: Time: 07 19 2002 17:51:18.514000 JD200 Lon: -124.8748 Lat: 36.7477 Depth: 4340.4600 meters Speed: 20.1600 km/hr (10.8973 knots) Heading: 207.7000 degrees Sonar Depth: 5.2900 m Sonar Altitude: 4333.4400 m End of Data: Time: 07 19 2002 18:31:51.985000 JD200 Lon: -124.9542 Lat: 36.6298 Depth: 4388.3100 meters Speed: 21.6000 km/hr (11.6757 knots) Heading: 212.3000 degrees Sonar Depth: 5.2700 m Sonar Altitude: 4383.0400 m Limits: Minimum Longitude: -125.0489 Maximum Longitude: -124.7818 Minimum Latitude: 36.5837 Maximum Latitude: 36.7901 Minimum Sonar Depth: 3.7200 Maximum Sonar Depth: 6.2900 Minimum Altitude: 4333.4400 Maximum Altitude: 4386.1600 Minimum Depth: 4139.1100 Maximum Depth: 5007.9000 Minimum Amplitude: -48.0000 Maximum Amplitude: 17.5000 Minimum Sidescan: 0.0000 Maximum Sidescan: 66.0000 Data Record Type Notices: DN: 132 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: 2423 MB_DATA_NAV (ID=12): Navigation record DN: 76 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 2423 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 239 MB_DATA_HEADING (ID=17): Heading record DN: 6454 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 8 MB_DATA_SSV (ID=19): Surface sound speed record Nonfatal Error Notices: EN: 55 MB_ERROR_COMMENT (ID=-5): Comment record EN: 11625 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 0 1 1 1 0 0 0 0 0 CM: 0 1 1 1 1 1 1 0 0 0 CM: 0 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 1 CM: 0 0 1 1 1 1 1 1 1 0 CM: 0 0 0 1 1 1 1 1 1 0 CM: 0 0 0 0 0 1 1 1 0 0