Swath Data File: sb2100_vf.19970311-2400p.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: 287 Bathymetry Data (151 beams): Number of Beams: 43337 Number of Good Beams: 24802 57.23% Number of Zero Beams: 16347 37.72% Number of Flagged Beams: 2188 5.05% Amplitude Data (151 beams): Number of Beams: 43337 Number of Good Beams: 24802 57.23% Number of Zero Beams: 16347 37.72% Number of Flagged Beams: 2188 5.05% Sidescan Data (2000 pixels): Number of Pixels: 574000 Number of Good Pixels: 400268 69.73% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 173732 30.27% Navigation Totals: Total Time: 0.9956 hours Total Track Length: 23.3325 km Average Speed: 23.4358 km/hr (12.6680 knots) Start of Data: Time: 03 11 1997 22:58:42.605000 JD70 Lon: -74.9929 Lat: -37.1248 Depth: 4528.7998 meters Speed: 23.8612 km/hr (12.8980 knots) Heading: 43.0640 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4528.7998 m End of Data: Time: 03 11 1997 23:58:26.727000 JD70 Lon: -74.8185 Lat: -36.9679 Depth: 4700.0000 meters Speed: 23.2916 km/hr (12.5901 knots) Heading: 43.0000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4700.0000 m Limits: Minimum Longitude: -75.0685 Maximum Longitude: -74.7422 Minimum Latitude: -37.1702 Maximum Latitude: -36.9123 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 4423.7998 Maximum Altitude: 4702.6001 Minimum Depth: 1661.4000 Maximum Depth: 4784.7002 Minimum Amplitude: 31.4794 Maximum Amplitude: 70.9794 Minimum Sidescan: 6.9077 Maximum Sidescan: 4813.9048 Data Record Type Notices: DN: 287 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 0 0 0 CM: 0 0 0 1 1 1 1 1 0 0 CM: 0 0 0 1 1 1 1 1 1 0 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 1 CM: 1 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 0 0 CM: 0 0 1 1 1 1 1 0 0 0 CM: 0 0 0 1 1 1 0 0 0 0