Swath Data File: sb2100_vf.19970312-2200p.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: 843 Bathymetry Data (151 beams): Number of Beams: 127293 Number of Good Beams: 109259 85.83% Number of Zero Beams: 10266 8.06% Number of Flagged Beams: 7768 6.10% Amplitude Data (151 beams): Number of Beams: 127293 Number of Good Beams: 109259 85.83% Number of Zero Beams: 10266 8.06% Number of Flagged Beams: 7768 6.10% Sidescan Data (2000 pixels): Number of Pixels: 1686000 Number of Good Pixels: 1367349 81.10% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 318651 18.90% Navigation Totals: Total Time: 0.9988 hours Total Track Length: 12.7749 km Average Speed: 12.7897 km/hr ( 6.9134 knots) Start of Data: Time: 03 12 1997 20:58:39.303000 JD71 Lon: -73.7002 Lat: -36.4284 Depth: 713.0000 meters Speed: 12.2451 km/hr ( 6.6190 knots) Heading: 1.4000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 713.0000 m End of Data: Time: 03 12 1997 21:58:35.124000 JD71 Lon: -73.6903 Lat: -36.3137 Depth: 937.5000 meters Speed: 12.9631 km/hr ( 7.0071 knots) Heading: 4.0370 degrees Sonar Depth: 0.0000 m Sonar Altitude: 937.5000 m Limits: Minimum Longitude: -73.7329 Maximum Longitude: -73.6576 Minimum Latitude: -36.4288 Maximum Latitude: -36.3120 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 655.7000 Maximum Altitude: 962.7000 Minimum Depth: 648.9000 Maximum Depth: 1074.3000 Minimum Amplitude: 19.9794 Maximum Amplitude: 68.7294 Minimum Sidescan: 0.0998 Maximum Sidescan: 3240.2062 Data Record Type Notices: DN: 843 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 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 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 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