Swath Data File: sb2100_vf.19970403-2200p.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: 270 Bathymetry Data (151 beams): Number of Beams: 40770 Number of Good Beams: 31460 77.16% Number of Zero Beams: 7635 18.73% Number of Flagged Beams: 1675 4.11% Amplitude Data (151 beams): Number of Beams: 40770 Number of Good Beams: 31460 77.16% Number of Zero Beams: 7635 18.73% Number of Flagged Beams: 1675 4.11% Sidescan Data (2000 pixels): Number of Pixels: 540000 Number of Good Pixels: 435472 80.64% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 104528 19.36% Navigation Totals: Total Time: 0.7672 hours Total Track Length: 18.2657 km Average Speed: 23.8090 km/hr (12.8697 knots) Start of Data: Time: 04 03 1997 21:12:28.841000 JD93 Lon: -76.8185 Lat: -15.2153 Depth: 3541.0000 meters Speed: 12.4306 km/hr ( 6.7193 knots) Heading: 356.2000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3541.0000 m End of Data: Time: 04 03 1997 21:58:30.670000 JD93 Lon: -76.8381 Lat: -15.0513 Depth: 3774.8000 meters Speed: 25.6034 km/hr (13.8397 knots) Heading: 353.6330 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3774.8000 m Limits: Minimum Longitude: -76.9090 Maximum Longitude: -76.7590 Minimum Latitude: -15.2192 Maximum Latitude: -15.0446 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 3518.5000 Maximum Altitude: 3786.6001 Minimum Depth: 3483.6001 Maximum Depth: 3896.6001 Minimum Amplitude: 27.4794 Maximum Amplitude: 67.7294 Minimum Sidescan: 2.6375 Maximum Sidescan: 2771.2387 Data Record Type Notices: DN: 270 MB_DATA_DATA (ID=1): survey data DN: 39 MB_DATA_COMMENT (ID=2): comment DN: 1 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 39 MB_ERROR_COMMENT (ID=-5): Comment record EN: 1 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 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 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 1 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 1