Swath Data File: sb2100_vf.19970422-1800pp.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: 197 Bathymetry Data (151 beams): Number of Beams: 29747 Number of Good Beams: 17465 58.71% Number of Zero Beams: 10903 36.65% Number of Flagged Beams: 1379 4.64% Amplitude Data (151 beams): Number of Beams: 29747 Number of Good Beams: 17465 58.71% Number of Zero Beams: 10903 36.65% Number of Flagged Beams: 1379 4.64% Sidescan Data (2000 pixels): Number of Pixels: 394000 Number of Good Pixels: 297993 75.63% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 96007 24.37% Navigation Totals: Total Time: 0.9954 hours Total Track Length: 15.0503 km Average Speed: 15.1195 km/hr ( 8.1727 knots) Start of Data: Time: 04 22 1997 16:58:37.644000 JD112 Lon: -124.9933 Lat: -1.1331 Depth: 4706.2002 meters Speed: 22.2731 km/hr (12.0395 knots) Heading: 350.6360 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4706.2002 m End of Data: Time: 04 22 1997 17:58:21.181000 JD112 Lon: -124.9998 Lat: -0.9996 Depth: 4690.7002 meters Speed: 0.1354 km/hr ( 0.0732 knots) Heading: 98.2000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4690.7002 m Limits: Minimum Longitude: -125.1125 Maximum Longitude: -124.8821 Minimum Latitude: -1.1522 Maximum Latitude: -0.8904 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 4647.7002 Maximum Altitude: 4747.1001 Minimum Depth: 3987.1001 Maximum Depth: 4793.7002 Minimum Amplitude: 33.2294 Maximum Amplitude: 70.2294 Minimum Sidescan: 1.5071 Maximum Sidescan: 3078.5680 Data Record Type Notices: DN: 197 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 0 0 1 0 1 1 1 0 0 CM: 0 0 0 1 1 1 1 1 1 0 CM: 1 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 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 0 0 0