Swath Data File: sb2100_vf.19970325-0100p.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: 374 Bathymetry Data (151 beams): Number of Beams: 56474 Number of Good Beams: 45781 81.07% Number of Zero Beams: 8135 14.40% Number of Flagged Beams: 2558 4.53% Amplitude Data (151 beams): Number of Beams: 56474 Number of Good Beams: 45781 81.07% Number of Zero Beams: 8135 14.40% Number of Flagged Beams: 2558 4.53% Sidescan Data (2000 pixels): Number of Pixels: 748000 Number of Good Pixels: 594192 79.44% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 153808 20.56% Navigation Totals: Total Time: 0.9971 hours Total Track Length: 23.2525 km Average Speed: 23.3212 km/hr (12.6060 knots) Start of Data: Time: 03 24 1997 23:58:37.640000 JD83 Lon: -81.3051 Lat: -21.0430 Depth: 2071.5000 meters Speed: 22.7536 km/hr (12.2992 knots) Heading: 65.4630 degrees Sonar Depth: 0.0000 m Sonar Altitude: 2071.5000 m End of Data: Time: 03 25 1997 00:58:27.035000 JD84 Lon: -81.1825 Lat: -20.8721 Depth: 2139.3000 meters Speed: 24.2713 km/hr (13.1196 knots) Heading: 30.0960 degrees Sonar Depth: 0.0000 m Sonar Altitude: 2139.3000 m Limits: Minimum Longitude: -81.3366 Maximum Longitude: -81.1305 Minimum Latitude: -21.0997 Maximum Latitude: -20.8425 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 1802.5000 Maximum Altitude: 2164.6001 Minimum Depth: 1782.1000 Maximum Depth: 2219.8000 Minimum Amplitude: 26.7397 Maximum Amplitude: 75.7397 Minimum Sidescan: 1.2433 Maximum Sidescan: 6535.0694 Data Record Type Notices: DN: 374 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: 0 0 0 0 1 1 1 1 0 0 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 0 0 CM: 1 1 1 1 1 1 1 1 0 0 CM: 0 1 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 0 0 0 0 CM: 0 0 1 1 1 0 0 0 0 0