Swath Data File: sb2100_vf.19970304-2100p.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: 337 Bathymetry Data (151 beams): Number of Beams: 50887 Number of Good Beams: 37939 74.56% Number of Zero Beams: 10843 21.31% Number of Flagged Beams: 2105 4.14% Amplitude Data (151 beams): Number of Beams: 50887 Number of Good Beams: 37939 74.56% Number of Zero Beams: 10843 21.31% Number of Flagged Beams: 2105 4.14% Sidescan Data (2000 pixels): Number of Pixels: 674000 Number of Good Pixels: 673690 99.95% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 310 0.05% Navigation Totals: Total Time: 0.9967 hours Total Track Length: 22.9037 km Average Speed: 22.9805 km/hr (12.4219 knots) Start of Data: Time: 03 04 1997 19:58:39.674000 JD63 Lon: -75.8992 Lat: -42.5550 Depth: 3764.5000 meters Speed: 23.3158 km/hr (12.6031 knots) Heading: 22.2670 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3764.5000 m End of Data: Time: 03 04 1997 20:58:27.656000 JD63 Lon: -75.7921 Lat: -42.3648 Depth: 3802.3000 meters Speed: 23.2545 km/hr (12.5700 knots) Heading: 23.8940 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3802.3000 m Limits: Minimum Longitude: -75.9698 Maximum Longitude: -75.7252 Minimum Latitude: -42.5750 Maximum Latitude: -42.3412 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 3757.6001 Maximum Altitude: 3809.8000 Minimum Depth: 3665.3000 Maximum Depth: 3915.8000 Minimum Amplitude: 29.9794 Maximum Amplitude: 74.4794 Minimum Sidescan: 0.8792 Maximum Sidescan: 5728.7338 Data Record Type Notices: DN: 337 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 1 1 1 1 1 0 0 CM: 0 0 0 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 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 CM: 1 1 1 1 1 1 1 0 0 0 CM: 0 0 1 1 1 1 1 0 0 0