Swath Data File: sb2100_vf.19970323-0624p.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: 12 Bathymetry Data (151 beams): Number of Beams: 1812 Number of Good Beams: 1101 60.76% Number of Zero Beams: 405 22.35% Number of Flagged Beams: 306 16.89% Amplitude Data (151 beams): Number of Beams: 1812 Number of Good Beams: 1101 60.76% Number of Zero Beams: 405 22.35% Number of Flagged Beams: 306 16.89% Sidescan Data (2000 pixels): Number of Pixels: 24000 Number of Good Pixels: 3027 12.61% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 20973 87.39% Navigation Totals: Total Time: 0.0074 hours Total Track Length: 0.0054 km Average Speed: 0.7202 km/hr ( 0.3893 knots) Start of Data: Time: 03 23 1997 06:21:34.480000 JD82 Lon: -81.6253 Lat: -21.3999 Depth: 700.5000 meters Speed: 0.3562 km/hr ( 0.1926 knots) Heading: 147.7000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 700.5000 m End of Data: Time: 03 23 1997 06:22:01.275000 JD82 Lon: -81.6253 Lat: -21.4000 Depth: 692.8900 meters Speed: 0.3061 km/hr ( 0.1655 knots) Heading: 146.1450 degrees Sonar Depth: 0.0000 m Sonar Altitude: 692.8900 m Limits: Minimum Longitude: -81.6370 Maximum Longitude: -81.6130 Minimum Latitude: -21.4074 Maximum Latitude: -21.3923 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 687.7000 Maximum Altitude: 701.0000 Minimum Depth: 338.5400 Maximum Depth: 740.4000 Minimum Amplitude: 36.9794 Maximum Amplitude: 61.9794 Minimum Sidescan: 27.7563 Maximum Sidescan: 1286.2114 Data Record Type Notices: DN: 12 MB_DATA_DATA (ID=1): survey data DN: 39 MB_DATA_COMMENT (ID=2): comment DN: 1 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 39 MB_ERROR_COMMENT (ID=-5): Comment record EN: 1 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 0 0 0 0 0 1 CM: 0 0 0 0 0 0 0 0 1 1 CM: 0 0 0 0 0 0 0 1 1 0 CM: 0 0 0 0 0 0 1 1 0 0 CM: 0 0 0 0 1 1 1 0 0 0 CM: 0 0 0 1 1 1 0 0 0 0 CM: 0 0 1 1 1 0 0 0 0 0 CM: 0 1 1 1 0 0 0 0 0 0 CM: 1 1 1 0 0 0 0 0 0 0 CM: 1 1 0 0 0 0 0 0 0 0