Swath Data File: sb2100_vf.19970329-1500p.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: 348 Bathymetry Data (151 beams): Number of Beams: 52548 Number of Good Beams: 42721 81.30% Number of Zero Beams: 6823 12.98% Number of Flagged Beams: 3004 5.72% Amplitude Data (151 beams): Number of Beams: 52548 Number of Good Beams: 42721 81.30% Number of Zero Beams: 6823 12.98% Number of Flagged Beams: 3004 5.72% Sidescan Data (2000 pixels): Number of Pixels: 696000 Number of Good Pixels: 564888 81.16% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 131112 18.84% Navigation Totals: Total Time: 0.9978 hours Total Track Length: 11.7877 km Average Speed: 11.8140 km/hr ( 6.3859 knots) Start of Data: Time: 03 29 1997 13:58:33.643000 JD88 Lon: -76.4007 Lat: -16.0158 Depth: 3224.6001 meters Speed: 12.1783 km/hr ( 6.5829 knots) Heading: 63.0360 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3224.6001 m End of Data: Time: 03 29 1997 14:58:25.631000 JD88 Lon: -76.2988 Lat: -15.9754 Depth: 3265.0000 meters Speed: 11.7757 km/hr ( 6.3652 knots) Heading: 68.5370 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3265.0000 m Limits: Minimum Longitude: -76.4314 Maximum Longitude: -76.2746 Minimum Latitude: -16.0689 Maximum Latitude: -15.9092 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 3215.8000 Maximum Altitude: 3277.8000 Minimum Depth: 1056.6000 Maximum Depth: 3452.6001 Minimum Amplitude: 28.4794 Maximum Amplitude: 73.2294 Minimum Sidescan: 0.7536 Maximum Sidescan: 4933.3450 Data Record Type Notices: DN: 348 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 1 0 0 CM: 0 0 1 1 1 1 1 1 0 0 CM: 1 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 1 0 CM: 0 1 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 0 0