Swath Data File: 20070727103629133_0133_20020706_122501p.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: 38 Bathymetry Data (191 beams): Number of Beams: 7258 Number of Good Beams: 7119 98.08% Number of Zero Beams: 139 1.92% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 7258 Number of Good Beams: 7119 98.08% Number of Zero Beams: 139 1.92% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 38912 Number of Good Pixels: 38912 100.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 0 0.00% Navigation Totals: Total Time: 0.1802 hours Total Track Length: 3.7474 km Average Speed: 20.7983 km/hr (11.2423 knots) Start of Data: Time: 07 06 2002 12:25:16.428000 JD187 Lon: -124.2208 Lat: 38.3816 Depth: 3643.7300 meters Speed: 18.5400 km/hr (10.0216 knots) Heading: 261.0000 degrees Sonar Depth: 5.5100 m Sonar Altitude: 3637.2800 m End of Data: Time: 07 06 2002 12:36:05.068000 JD187 Lon: -124.2631 Lat: 38.3759 Depth: 3684.2400 meters Speed: 19.8000 km/hr (10.7027 knots) Heading: 261.6000 degrees Sonar Depth: 4.9600 m Sonar Altitude: 3679.2800 m Limits: Minimum Longitude: -124.2795 Maximum Longitude: -124.2067 Minimum Latitude: 38.2882 Maximum Latitude: 38.4674 Minimum Sonar Depth: 4.7700 Maximum Sonar Depth: 5.8000 Minimum Altitude: 3637.2800 Maximum Altitude: 3681.2000 Minimum Depth: 3381.0700 Maximum Depth: 3961.2700 Minimum Amplitude: -37.5000 Maximum Amplitude: 4.5000 Minimum Sidescan: 0.0000 Maximum Sidescan: 64.1700 Data Record Type Notices: DN: 38 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: 660 MB_DATA_NAV (ID=12): Navigation record DN: 20 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 660 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 65 MB_DATA_HEADING (ID=17): Heading record DN: 1757 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 2 MB_DATA_SSV (ID=19): Surface sound speed record Nonfatal Error Notices: EN: 55 MB_ERROR_COMMENT (ID=-5): Comment record EN: 3167 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: 1 1 1 1 1 1 0 0 0 0 CM: 1 1 1 1 1 1 1 0 0 0 CM: 1 1 1 1 1 1 1 1 0 0 CM: 0 1 1 1 1 1 1 1 0 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 0 1 1 1 1 1 1 1 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 1 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 1