Swath Data File: sb2100_vf.19970304-2400p.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: 336 Bathymetry Data (151 beams): Number of Beams: 50736 Number of Good Beams: 37332 73.58% Number of Zero Beams: 11307 22.29% Number of Flagged Beams: 2097 4.13% Amplitude Data (151 beams): Number of Beams: 50736 Number of Good Beams: 37332 73.58% Number of Zero Beams: 11307 22.29% Number of Flagged Beams: 2097 4.13% Sidescan Data (2000 pixels): Number of Pixels: 672000 Number of Good Pixels: 671533 99.93% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 467 0.07% Navigation Totals: Total Time: 0.9964 hours Total Track Length: 23.1930 km Average Speed: 23.2762 km/hr (12.5817 knots) Start of Data: Time: 03 04 1997 22:58:43.977000 JD63 Lon: -75.5704 Lat: -41.9810 Depth: 3855.0000 meters Speed: 22.8204 km/hr (12.3353 knots) Heading: 21.0110 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3855.0000 m End of Data: Time: 03 04 1997 23:58:31.111000 JD63 Lon: -75.4650 Lat: -41.7877 Depth: 3873.3000 meters Speed: 23.8928 km/hr (12.9150 knots) Heading: 21.4220 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3873.3000 m Limits: Minimum Longitude: -75.6403 Maximum Longitude: -75.3977 Minimum Latitude: -42.0007 Maximum Latitude: -41.7668 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 3850.5000 Maximum Altitude: 3875.8000 Minimum Depth: 3725.1001 Maximum Depth: 4072.6001 Minimum Amplitude: 26.7294 Maximum Amplitude: 73.9794 Minimum Sidescan: 2.0095 Maximum Sidescan: 5721.3237 Data Record Type Notices: DN: 336 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