Swath Data File: sb2100_vf.19970321-1100p.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: 326 Bathymetry Data (151 beams): Number of Beams: 49226 Number of Good Beams: 31201 63.38% Number of Zero Beams: 15938 32.38% Number of Flagged Beams: 2087 4.24% Amplitude Data (151 beams): Number of Beams: 49226 Number of Good Beams: 31201 63.38% Number of Zero Beams: 15938 32.38% Number of Flagged Beams: 2087 4.24% Sidescan Data (2000 pixels): Number of Pixels: 652000 Number of Good Pixels: 368612 56.54% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 283388 43.46% Navigation Totals: Total Time: 0.9953 hours Total Track Length: 24.8076 km Average Speed: 24.9252 km/hr (13.4731 knots) Start of Data: Time: 03 21 1997 09:58:41.860000 JD80 Lon: -76.1955 Lat: -22.5801 Depth: 4681.6001 meters Speed: 24.9651 km/hr (13.4947 knots) Heading: 279.2280 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4681.6001 m End of Data: Time: 03 21 1997 10:58:24.866000 JD80 Lon: -76.4323 Lat: -22.5376 Depth: 4623.2998 meters Speed: 24.9113 km/hr (13.4656 knots) Heading: 280.8130 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4623.2998 m Limits: Minimum Longitude: -76.4461 Maximum Longitude: -76.1861 Minimum Latitude: -22.6467 Maximum Latitude: -22.4809 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 4519.2002 Maximum Altitude: 4875.2998 Minimum Depth: 4264.7002 Maximum Depth: 4937.7002 Minimum Amplitude: 35.7294 Maximum Amplitude: 70.2294 Minimum Sidescan: 4.5214 Maximum Sidescan: 4019.2695 Data Record Type Notices: DN: 326 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 0 0 0 0 0 CM: 1 1 1 1 1 1 1 1 0 0 CM: 1 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 1 CM: 1 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 1 CM: 0 1 1 1 1 1 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 1