Swath Data File: 20070727103530083_0082_20020702_205326p.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: 144 Bathymetry Data (191 beams): Number of Beams: 27504 Number of Good Beams: 22064 80.22% Number of Zero Beams: 5440 19.78% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 27504 Number of Good Beams: 22064 80.22% Number of Zero Beams: 5440 19.78% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 147456 Number of Good Pixels: 137216 93.06% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 10240 6.94% Navigation Totals: Total Time: 0.4777 hours Total Track Length: 5.7965 km Average Speed: 12.1331 km/hr ( 6.5584 knots) Start of Data: Time: 07 02 2002 20:53:38.424000 JD183 Lon: -124.9379 Lat: 39.4346 Depth: 2958.8900 meters Speed: 11.7000 km/hr ( 6.3243 knots) Heading: 99.3000 degrees Sonar Depth: 5.3700 m Sonar Altitude: 2956.3200 m End of Data: Time: 07 02 2002 21:22:18.296000 JD183 Lon: -124.9399 Lat: 39.3863 Depth: 2932.5700 meters Speed: 4.5000 km/hr ( 2.4324 knots) Heading: 308.1000 degrees Sonar Depth: 5.6100 m Sonar Altitude: 2926.9600 m Limits: Minimum Longitude: -125.0288 Maximum Longitude: -124.8476 Minimum Latitude: 39.3135 Maximum Latitude: 39.4805 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 7.2500 Minimum Altitude: 0.0000 Maximum Altitude: 3397.9200 Minimum Depth: 2374.5300 Maximum Depth: 3555.5700 Minimum Amplitude: -60.0000 Maximum Amplitude: 14.5000 Minimum Sidescan: 0.0000 Maximum Sidescan: 64.0000 Data Record Type Notices: DN: 144 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: 1730 MB_DATA_NAV (ID=12): Navigation record DN: 59 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 1730 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 171 MB_DATA_HEADING (ID=17): Heading record DN: 4606 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 5 MB_DATA_SSV (ID=19): Surface sound speed record Nonfatal Error Notices: EN: 55 MB_ERROR_COMMENT (ID=-5): Comment record EN: 8304 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 0 1 1 1 1 0 CM: 0 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: 0 0 0 0 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 0 1 0 0