Swath Data File: sb2100_vf.19970307-1200p.mb41 MBIO Data Format ID: 41 Format name: MBF_SB2100RW Informal Description: SeaBeam 2100 series vender format Attributes: SeaBeam 2100, bathymetry, amplitude and sidescan, 151 beams and 2000 pixels, ascii with binary sidescan, SeaBeam Instruments. Metadata: Vessel: Revelle Institution: SIO Platform: Ship Sonar: Seabeam_2112 Sonar Version: Seabeam_2112_1.2.0.A Cruise ID: GENE03RR Cruise Name: Genesis_Expedition_leg_03 PI: Alan_Mix PI Institution: Oregon_State_University Client: OCE93-14679 Corrected Depths: YES Tide Corrected: NO Depths Manually Edited: NO Depths Auto-Edited: NO Roll Bias: -0.580000 degrees Pitch Bias: -0.620000 degrees Heading Bias: 0.000000 degrees Draft: 6.000000 m Data Totals: Number of Records: 2035 Bathymetry Data (151 beams): Number of Beams: 307285 Number of Good Beams: 190198 61.90% Number of Zero Beams: 56163 18.28% Number of Flagged Beams: 60924 19.83% Amplitude Data (151 beams): Number of Beams: 307285 Number of Good Beams: 190198 61.90% Number of Zero Beams: 56163 18.28% Number of Flagged Beams: 60924 19.83% Sidescan Data (2000 pixels): Number of Pixels: 4070000 Number of Good Pixels: 547442 13.45% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 3522558 86.55% Navigation Totals: Total Time: 0.9995 hours Total Track Length: 22.6906 km Average Speed: 22.7012 km/hr (12.2709 knots) Start of Data: Time: 03 07 1997 10:58:41.974000 JD66 Lon: -74.1611 Lat: -41.4667 Depth: 178.6900 meters Speed: 23.4067 km/hr (12.6523 knots) Heading: 322.6840 degrees Sonar Depth: 0.0000 m Sonar Altitude: 178.6900 m End of Data: Time: 03 07 1997 11:58:40.299000 JD66 Lon: -74.3161 Lat: -41.3010 Depth: 238.7200 meters Speed: 13.3583 km/hr ( 7.2207 knots) Heading: 344.9300 degrees Sonar Depth: 0.0000 m Sonar Altitude: 238.7200 m Limits: Minimum Longitude: -74.3296 Maximum Longitude: -74.1494 Minimum Latitude: -41.4705 Maximum Latitude: -41.2974 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 85.6500 Maximum Altitude: 252.3200 Minimum Depth: 71.1600 Maximum Depth: 259.4800 Minimum Amplitude: 21.7294 Maximum Amplitude: 66.2294 Minimum Sidescan: 0.1256 Maximum Sidescan: 3549.5467 Data Record Type Notices: DN: 2035 MB_DATA_DATA (ID=1): survey data DN: 39 MB_DATA_COMMENT (ID=2): comment DN: 2 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 39 MB_ERROR_COMMENT (ID=-5): Comment record EN: 2 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 1 1 1 0 0 0 0 0 0 0 CM: 1 1 1 1 0 0 0 0 0 0 CM: 0 1 1 1 1 0 0 0 0 0 CM: 0 0 1 1 1 1 0 0 0 0 CM: 0 0 0 1 1 1 0 0 0 0 CM: 0 0 0 0 1 1 1 0 0 0 CM: 0 0 0 0 0 1 1 1 0 0 CM: 0 0 0 0 0 0 1 1 1 0 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 0 0 1 1 1