Swath Data File: sb2100_vf.19970309-1600p.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: 0.000000 degrees Pitch Bias: 0.000000 degrees Heading Bias: 0.000000 degrees Draft: 6.000000 m Data Totals: Number of Records: 336 Bathymetry Data (151 beams): Number of Beams: 50736 Number of Good Beams: 34091 67.19% Number of Zero Beams: 14508 28.60% Number of Flagged Beams: 2137 4.21% Amplitude Data (151 beams): Number of Beams: 50736 Number of Good Beams: 34091 67.19% Number of Zero Beams: 14508 28.60% Number of Flagged Beams: 2137 4.21% Sidescan Data (2000 pixels): Number of Pixels: 672000 Number of Good Pixels: 282197 41.99% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 389803 58.01% Navigation Totals: Total Time: 0.9925 hours Total Track Length: 22.6428 km Average Speed: 22.8144 km/hr (12.3321 knots) Start of Data: Time: 03 09 1997 14:58:59.994000 JD68 Lon: -75.9041 Lat: -40.4735 Depth: 3850.1001 meters Speed: 13.5457 km/hr ( 7.3220 knots) Heading: 33.3000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3850.1001 m End of Data: Time: 03 09 1997 15:58:32.928000 JD68 Lon: -75.7747 Lat: -40.2982 Depth: 3953.5000 meters Speed: 23.0059 km/hr (12.4356 knots) Heading: 8.8070 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3953.5000 m Limits: Minimum Longitude: -75.9769 Maximum Longitude: -75.7105 Minimum Latitude: -40.5004 Maximum Latitude: -40.2888 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 3716.8000 Maximum Altitude: 4027.6001 Minimum Depth: 3292.8000 Maximum Depth: 4055.6001 Minimum Amplitude: 29.2294 Maximum Amplitude: 71.7294 Minimum Sidescan: 2.3863 Maximum Sidescan: 4275.7331 Data Record Type Notices: DN: 336 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 1 1 1 1 1 1 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: 0 1 1 1 1 1 1 1 1 0 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 0 0 0 CM: 0 1 1 1 1 1 0 0 0 0 CM: 0 0 0 1 1 1 1 0 0 0