Swath Data File: sb2100_vf.19970314-0100p.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: -0.580000 degrees Pitch Bias: -0.620000 degrees Heading Bias: 0.000000 degrees Draft: 6.000000 m Data Totals: Number of Records: 437 Bathymetry Data (151 beams): Number of Beams: 65987 Number of Good Beams: 56126 85.06% Number of Zero Beams: 4166 6.31% Number of Flagged Beams: 5695 8.63% Amplitude Data (151 beams): Number of Beams: 65987 Number of Good Beams: 56126 85.06% Number of Zero Beams: 4166 6.31% Number of Flagged Beams: 5695 8.63% Sidescan Data (2000 pixels): Number of Pixels: 874000 Number of Good Pixels: 669852 76.64% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 204148 23.36% Navigation Totals: Total Time: 0.3273 hours Total Track Length: 7.3958 km Average Speed: 22.5997 km/hr (12.2160 knots) Start of Data: Time: 03 14 1997 00:39:00.233000 JD73 Lon: -73.1314 Lat: -35.8427 Depth: 317.2000 meters Speed: 23.0931 km/hr (12.4828 knots) Heading: 215.7230 degrees Sonar Depth: 0.0000 m Sonar Altitude: 317.2000 m End of Data: Time: 03 14 1997 00:58:38.343000 JD73 Lon: -73.1823 Lat: -35.8948 Depth: 405.2000 meters Speed: 23.3195 km/hr (12.6051 knots) Heading: 217.5690 degrees Sonar Depth: 0.0000 m Sonar Altitude: 405.2000 m Limits: Minimum Longitude: -73.1978 Maximum Longitude: -73.1177 Minimum Latitude: -35.9042 Maximum Latitude: -35.8347 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 317.2000 Maximum Altitude: 405.2000 Minimum Depth: 311.0000 Maximum Depth: 439.6000 Minimum Amplitude: 27.9794 Maximum Amplitude: 65.9794 Minimum Sidescan: 11.3035 Maximum Sidescan: 3236.9424 Data Record Type Notices: DN: 437 MB_DATA_DATA (ID=1): survey data DN: 39 MB_DATA_COMMENT (ID=2): comment Nonfatal Error Notices: EN: 39 MB_ERROR_COMMENT (ID=-5): Comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 0 0 0 0 0 1 1 1 1 0 CM: 0 0 0 0 1 1 1 1 1 1 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 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 0 0 0 CM: 1 1 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 0 0 0 0 CM: 0 0 1 1 1 0 0 0 0 0