Swath Data File: sb2100_vf.19970322-1200p.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: 509 Bathymetry Data (151 beams): Number of Beams: 76859 Number of Good Beams: 67127 87.34% Number of Zero Beams: 3503 4.56% Number of Flagged Beams: 6229 8.10% Amplitude Data (151 beams): Number of Beams: 76859 Number of Good Beams: 67127 87.34% Number of Zero Beams: 3503 4.56% Number of Flagged Beams: 6229 8.10% Sidescan Data (2000 pixels): Number of Pixels: 1018000 Number of Good Pixels: 474074 46.57% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 543926 53.43% Navigation Totals: Total Time: 0.9978 hours Total Track Length: 13.1931 km Average Speed: 13.2221 km/hr ( 7.1471 knots) Start of Data: Time: 03 22 1997 10:58:42.625000 JD81 Lon: -81.3606 Lat: -21.3893 Depth: 1266.8000 meters Speed: 13.4974 km/hr ( 7.2959 knots) Heading: 320.7250 degrees Sonar Depth: 0.0000 m Sonar Altitude: 1266.8000 m End of Data: Time: 03 22 1997 11:58:34.718000 JD81 Lon: -81.4478 Lat: -21.3026 Depth: 1376.9000 meters Speed: 13.1208 km/hr ( 7.0923 knots) Heading: 317.4000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 1376.9000 m Limits: Minimum Longitude: -81.4883 Maximum Longitude: -81.3003 Minimum Latitude: -21.4312 Maximum Latitude: -21.2739 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 1172.5000 Maximum Altitude: 1388.5000 Minimum Depth: 1008.2000 Maximum Depth: 1827.8000 Minimum Amplitude: 22.4794 Maximum Amplitude: 73.7294 Minimum Sidescan: 0.5024 Maximum Sidescan: 5148.4880 Data Record Type Notices: DN: 509 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 1 1 1 1 0 0 0 0 CM: 0 1 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 1 1 0 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 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 0 1 1 1 1 1 1 0 0 CM: 0 0 0 1 1 1 1 0 0 0 CM: 0 0 1 1 1 0 0 0 0 0