Swath Data File: sb2100_vf.19970309-0100p.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: 316 Bathymetry Data (151 beams): Number of Beams: 47716 Number of Good Beams: 27215 57.04% Number of Zero Beams: 17217 36.08% Number of Flagged Beams: 3284 6.88% Amplitude Data (151 beams): Number of Beams: 47716 Number of Good Beams: 27215 57.04% Number of Zero Beams: 17217 36.08% Number of Flagged Beams: 3284 6.88% Sidescan Data (2000 pixels): Number of Pixels: 632000 Number of Good Pixels: 303957 48.09% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 328043 51.91% Navigation Totals: Total Time: 0.9950 hours Total Track Length: 13.4474 km Average Speed: 13.5145 km/hr ( 7.3051 knots) Start of Data: Time: 03 08 1997 23:58:46.152000 JD67 Lon: -75.9702 Lat: -40.4165 Depth: 3669.5000 meters Speed: 15.8388 km/hr ( 8.5615 knots) Heading: 91.2300 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3669.5000 m End of Data: Time: 03 09 1997 00:58:28.290000 JD68 Lon: -75.8119 Lat: -40.4161 Depth: 3765.0000 meters Speed: 15.0281 km/hr ( 8.1233 knots) Heading: 96.7450 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3765.0000 m Limits: Minimum Longitude: -75.9730 Maximum Longitude: -75.8022 Minimum Latitude: -40.5065 Maximum Latitude: -40.2988 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 3617.6001 Maximum Altitude: 3938.6001 Minimum Depth: 2573.3000 Maximum Depth: 4147.5000 Minimum Amplitude: 25.4794 Maximum Amplitude: 71.9794 Minimum Sidescan: 0.1256 Maximum Sidescan: 4604.6646 Data Record Type Notices: DN: 316 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 1 0 0 0 0 0 0 0 CM: 0 1 1 0 1 1 0 1 1 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: 1 1 1 1 1 1 1 1 1 1 CM: 1 0 0 0 0 0 1 0 0 0