Swath Data File: sb2100_vf.19970419-1000pp.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: 245 Bathymetry Data (151 beams): Number of Beams: 36995 Number of Good Beams: 24184 65.37% Number of Zero Beams: 11288 30.51% Number of Flagged Beams: 1523 4.12% Amplitude Data (151 beams): Number of Beams: 36995 Number of Good Beams: 24184 65.37% Number of Zero Beams: 11288 30.51% Number of Flagged Beams: 1523 4.12% Sidescan Data (2000 pixels): Number of Pixels: 490000 Number of Good Pixels: 359930 73.46% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 130070 26.54% Navigation Totals: Total Time: 0.9973 hours Total Track Length: 21.9697 km Average Speed: 22.0291 km/hr (11.9076 knots) Start of Data: Time: 04 19 1997 08:58:41.673000 JD109 Lon: -124.6822 Lat: -2.7690 Depth: 4594.7002 meters Speed: 22.2638 km/hr (12.0345 knots) Heading: 252.7690 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4594.7002 m End of Data: Time: 04 19 1997 09:58:31.961000 JD109 Lon: -124.8688 Lat: -2.8341 Depth: 4724.0000 meters Speed: 22.0634 km/hr (11.9262 knots) Heading: 251.4120 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4724.0000 m Limits: Minimum Longitude: -124.8903 Maximum Longitude: -124.6578 Minimum Latitude: -2.9245 Maximum Latitude: -2.7040 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 4551.7002 Maximum Altitude: 4746.7002 Minimum Depth: 4506.6001 Maximum Depth: 4785.7002 Minimum Amplitude: 35.2294 Maximum Amplitude: 70.7294 Minimum Sidescan: 4.5214 Maximum Sidescan: 4038.2342 Data Record Type Notices: DN: 245 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 0 0 1 1 1 1 0 CM: 0 0 1 1 1 1 1 1 1 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 1 1 1 1 1 1 1 0 0 CM: 0 1 1 1 1 0 0 0 0 0