Swath Data File: sb2100_vf.19970411-1700pp.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: 281 Bathymetry Data (151 beams): Number of Beams: 42431 Number of Good Beams: 32300 76.12% Number of Zero Beams: 8406 19.81% Number of Flagged Beams: 1725 4.07% Amplitude Data (151 beams): Number of Beams: 42431 Number of Good Beams: 32300 76.12% Number of Zero Beams: 8406 19.81% Number of Flagged Beams: 1725 4.07% Sidescan Data (2000 pixels): Number of Pixels: 562000 Number of Good Pixels: 549345 97.75% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 12655 2.25% Navigation Totals: Total Time: 0.9966 hours Total Track Length: 24.7556 km Average Speed: 24.8391 km/hr (13.4265 knots) Start of Data: Time: 04 11 1997 15:58:32.189000 JD101 Lon: -85.6232 Lat: -10.0846 Depth: 4509.5000 meters Speed: 25.4178 km/hr (13.7394 knots) Heading: 283.0190 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4509.5000 m End of Data: Time: 04 11 1997 16:58:20.089000 JD101 Lon: -85.8432 Lat: -10.0346 Depth: 4435.7002 meters Speed: 25.5700 km/hr (13.8216 knots) Heading: 283.4720 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4435.7002 m Limits: Minimum Longitude: -85.8616 Maximum Longitude: -85.6085 Minimum Latitude: -10.1545 Maximum Latitude: -9.9641 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 4142.0000 Maximum Altitude: 4540.6001 Minimum Depth: 4030.3000 Maximum Depth: 4566.5000 Minimum Amplitude: 32.9794 Maximum Amplitude: 69.9794 Minimum Sidescan: 3.6912 Maximum Sidescan: 3959.6978 Data Record Type Notices: DN: 281 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: 1 1 1 1 1 1 1 1 0 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: 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 0 0 1 1 1 1 0