Swath Data File: sb2100_vf.19970502-1200pp.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: 138 Bathymetry Data (151 beams): Number of Beams: 20838 Number of Good Beams: 14922 71.61% Number of Zero Beams: 4855 23.30% Number of Flagged Beams: 1061 5.09% Amplitude Data (151 beams): Number of Beams: 20838 Number of Good Beams: 14922 71.61% Number of Zero Beams: 4855 23.30% Number of Flagged Beams: 1061 5.09% Sidescan Data (2000 pixels): Number of Pixels: 276000 Number of Good Pixels: 275483 99.81% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 517 0.19% Navigation Totals: Total Time: 0.9964 hours Total Track Length: 23.8559 km Average Speed: 23.9428 km/hr (12.9420 knots) Start of Data: Time: 05 02 1997 10:58:40.794000 JD122 Lon: -122.8165 Lat: 17.4594 Depth: 4037.5000 meters Speed: 24.2805 km/hr (13.1246 knots) Heading: 20.2410 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4037.5000 m End of Data: Time: 05 02 1997 11:58:27.735000 JD122 Lon: -122.7456 Lat: 17.6639 Depth: 3947.0000 meters Speed: 23.7054 km/hr (12.8137 knots) Heading: 19.5740 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3947.0000 m Limits: Minimum Longitude: -122.9488 Maximum Longitude: -122.6128 Minimum Latitude: 17.4122 Maximum Latitude: 17.7088 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 3923.8000 Maximum Altitude: 4185.7002 Minimum Depth: 3836.5000 Maximum Depth: 4269.2002 Minimum Amplitude: 33.2294 Maximum Amplitude: 69.4794 Minimum Sidescan: 3.0223 Maximum Sidescan: 3656.5032 Data Record Type Notices: DN: 138 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: 0 1 1 1 1 0 0 0 0 0 CM: 0 1 1 1 1 1 1 1 0 0 CM: 0 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: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 0 CM: 0 0 1 1 1 1 1 1 1 0 CM: 0 0 0 0 0 1 1 1 1 0