Swath Data File: sb2100_vf.19970314-1800p.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: 270 Bathymetry Data (151 beams): Number of Beams: 40770 Number of Good Beams: 27885 68.40% Number of Zero Beams: 11055 27.12% Number of Flagged Beams: 1830 4.49% Amplitude Data (151 beams): Number of Beams: 40770 Number of Good Beams: 27885 68.40% Number of Zero Beams: 11055 27.12% Number of Flagged Beams: 1830 4.49% Sidescan Data (2000 pixels): Number of Pixels: 540000 Number of Good Pixels: 382986 70.92% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 157014 29.08% Navigation Totals: Total Time: 0.9970 hours Total Track Length: 23.8855 km Average Speed: 23.9582 km/hr (12.9504 knots) Start of Data: Time: 03 14 1997 16:58:33.292000 JD73 Lon: -73.5420 Lat: -34.8791 Depth: 4427.7998 meters Speed: 23.1915 km/hr (12.5359 knots) Heading: 2.4410 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4427.7998 m End of Data: Time: 03 14 1997 17:58:22.374000 JD73 Lon: -73.5413 Lat: -34.6638 Depth: 5214.5000 meters Speed: 22.9837 km/hr (12.4236 knots) Heading: 1.2750 degrees Sonar Depth: 0.0000 m Sonar Altitude: 5214.5000 m Limits: Minimum Longitude: -73.6726 Maximum Longitude: -73.4112 Minimum Latitude: -34.8823 Maximum Latitude: -34.6617 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 4422.5000 Maximum Altitude: 5260.0000 Minimum Depth: 2556.8000 Maximum Depth: 5337.2002 Minimum Amplitude: 37.4794 Maximum Amplitude: 73.4794 Minimum Sidescan: 4.2702 Maximum Sidescan: 5450.9192 Data Record Type Notices: DN: 270 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 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 1 1 0