Swath Data File: sb2100_vf.19970410-1000pp.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: GENE04RR Cruise Name: Genesis_Expedition_leg_04 PI: Robert_Weller PI Institution: Woods_Hole_Oceanographic_Institution Client: NOAA 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: 401 Bathymetry Data (151 beams): Number of Beams: 60551 Number of Good Beams: 39789 65.71% Number of Zero Beams: 18277 30.18% Number of Flagged Beams: 2485 4.10% Amplitude Data (151 beams): Number of Beams: 60551 Number of Good Beams: 39789 65.71% Number of Zero Beams: 18277 30.18% Number of Flagged Beams: 2485 4.10% Sidescan Data (2000 pixels): Number of Pixels: 802000 Number of Good Pixels: 709083 88.41% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 92917 11.59% Navigation Totals: Total Time: 0.9971 hours Total Track Length: 24.7836 km Average Speed: 24.8561 km/hr (13.4357 knots) Start of Data: Time: 04 10 1997 08:58:42.030000 JD100 Lon: -78.8420 Lat: -11.6282 Depth: 3631.8000 meters Speed: 23.9558 km/hr (12.9491 knots) Heading: 282.9000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3631.8000 m End of Data: Time: 04 10 1997 09:58:31.527000 JD100 Lon: -79.0636 Lat: -11.5785 Depth: 3985.0000 meters Speed: 25.1340 km/hr (13.5859 knots) Heading: 282.2580 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3985.0000 m Limits: Minimum Longitude: -79.0748 Maximum Longitude: -78.8321 Minimum Latitude: -11.6800 Maximum Latitude: -11.5351 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 3631.8000 Maximum Altitude: 4092.3000 Minimum Depth: 3562.1001 Maximum Depth: 4163.5000 Minimum Amplitude: 30.7294 Maximum Amplitude: 73.4794 Minimum Sidescan: 1.3815 Maximum Sidescan: 5501.5337 Data Record Type Notices: DN: 401 MB_DATA_DATA (ID=1): survey data DN: 78 MB_DATA_COMMENT (ID=2): comment DN: 2 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 78 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: 1 1 1 1 0 0 0 0 0 0 CM: 1 1 1 1 1 1 1 0 0 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: 0 1 1 1 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1