Swath Data File: 20070727103438030_0027_20020629_003807p.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: 539 Bathymetry Data (191 beams): Number of Beams: 102949 Number of Good Beams: 66989 65.07% Number of Zero Beams: 35960 34.93% Number of Flagged Beams: 0 0.00% Amplitude Data (191 beams): Number of Beams: 102949 Number of Good Beams: 66989 65.07% Number of Zero Beams: 35960 34.93% Number of Flagged Beams: 0 0.00% Sidescan Data (1024 pixels): Number of Pixels: 551936 Number of Good Pixels: 0 0.00% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 551936 100.00% Navigation Totals: Total Time: 1.0003 hours Total Track Length: 19.5996 km Average Speed: 19.5932 km/hr (10.5909 knots) Start of Data: Time: 06 29 2002 00:38:08.526000 JD180 Lon: -124.9752 Lat: 44.5650 Depth: 5.2400 meters Speed: 19.2600 km/hr (10.4108 knots) Heading: 289.0000 degrees Sonar Depth: 4.9300 m Sonar Altitude: 0.0000 m End of Data: Time: 06 29 2002 01:38:09.699000 JD180 Lon: -125.2035 Lat: 44.6313 Depth: 1542.9400 meters Speed: 16.7400 km/hr ( 9.0486 knots) Heading: 307.0000 degrees Sonar Depth: 5.6600 m Sonar Altitude: 1537.2800 m Limits: Minimum Longitude: -125.2390 Maximum Longitude: -124.9674 Minimum Latitude: 44.5465 Maximum Latitude: 44.6502 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 7.6900 Minimum Altitude: 0.0000 Maximum Altitude: 6880.3200 Minimum Depth: 696.6500 Maximum Depth: 11878.2600 Minimum Amplitude: -63.5000 Maximum Amplitude: 13.0000 Data Record Type Notices: DN: 539 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: 3604 MB_DATA_NAV (ID=12): Navigation record DN: 240 MB_DATA_RUN_PARAMETER (ID=13): Simrad runtime parameter datagram DN: 3603 MB_DATA_CLOCK (ID=14): Simrad clock datagram DN: 353 MB_DATA_HEADING (ID=17): Heading record DN: 9595 MB_DATA_ATTITUDE (ID=18): Attitude record DN: 12 MB_DATA_SSV (ID=19): Surface sound speed record Nonfatal Error Notices: EN: 55 MB_ERROR_COMMENT (ID=-5): Comment record EN: 17409 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 PN: 2 DATA PROBLEM (ID=5): Sounding depth exceeds 11000 m Coverage Mask: CM dimensions: 10 10 CM: 0 0 1 1 0 0 0 0 0 0 CM: 0 1 1 1 0 0 0 0 0 0 CM: 0 1 1 1 1 1 1 0 0 0 CM: 1 1 1 1 1 1 1 1 0 0 CM: 1 1 1 1 1 1 1 1 1 0 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 0 0 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