Swath Data File: sb2100_vf.19970502-2100pp.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: 198 Bathymetry Data (151 beams): Number of Beams: 29898 Number of Good Beams: 16272 54.43% Number of Zero Beams: 11526 38.55% Number of Flagged Beams: 2100 7.02% Amplitude Data (151 beams): Number of Beams: 29898 Number of Good Beams: 16272 54.43% Number of Zero Beams: 11526 38.55% Number of Flagged Beams: 2100 7.02% Sidescan Data (2000 pixels): Number of Pixels: 396000 Number of Good Pixels: 320843 81.02% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 75157 18.98% Navigation Totals: Total Time: 0.9951 hours Total Track Length: 23.3494 km Average Speed: 23.4640 km/hr (12.6832 knots) Start of Data: Time: 05 02 1997 19:58:34.484000 JD122 Lon: -122.1721 Lat: 19.2155 Depth: 4246.2002 meters Speed: 22.7072 km/hr (12.2742 knots) Heading: 18.1480 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4246.2002 m End of Data: Time: 05 02 1997 20:58:16.903000 JD122 Lon: -122.1041 Lat: 19.4163 Depth: 4194.5000 meters Speed: 24.3881 km/hr (13.1828 knots) Heading: 19.8810 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4194.5000 m Limits: Minimum Longitude: -122.2837 Maximum Longitude: -121.9956 Minimum Latitude: 19.1804 Maximum Latitude: 19.4551 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 4116.7002 Maximum Altitude: 4316.7002 Minimum Depth: 3784.6001 Maximum Depth: 4474.2002 Minimum Amplitude: 31.9794 Maximum Amplitude: 70.2294 Minimum Sidescan: 3.5820 Maximum Sidescan: 4388.5650 Data Record Type Notices: DN: 198 MB_DATA_DATA (ID=1): survey data DN: 78 MB_DATA_COMMENT (ID=2): comment DN: 3 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 78 MB_ERROR_COMMENT (ID=-5): Comment record EN: 3 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 1 0 0 CM: 0 1 1 1 1 1 1 1 1 1 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 0 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 0 0 1 1 1 1 0 0