Swath Data File: sb2100_vf.19970416-1100pp.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: 306 Bathymetry Data (151 beams): Number of Beams: 46206 Number of Good Beams: 31985 69.22% Number of Zero Beams: 12089 26.16% Number of Flagged Beams: 2132 4.61% Amplitude Data (151 beams): Number of Beams: 46206 Number of Good Beams: 31985 69.22% Number of Zero Beams: 12089 26.16% Number of Flagged Beams: 2132 4.61% Sidescan Data (2000 pixels): Number of Pixels: 612000 Number of Good Pixels: 369939 60.45% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 242061 39.55% Navigation Totals: Total Time: 0.9947 hours Total Track Length: 22.7305 km Average Speed: 22.8524 km/hr (12.3526 knots) Start of Data: Time: 04 16 1997 09:58:44.545000 JD106 Lon: -109.6265 Lat: -5.4224 Depth: 3527.1001 meters Speed: 23.5124 km/hr (12.7094 knots) Heading: 276.7910 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3527.1001 m End of Data: Time: 04 16 1997 10:58:25.353000 JD106 Lon: -109.8291 Lat: -5.3905 Depth: 3498.5000 meters Speed: 23.6163 km/hr (12.7656 knots) Heading: 276.2650 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3498.5000 m Limits: Minimum Longitude: -109.8372 Maximum Longitude: -109.6198 Minimum Latitude: -5.4955 Maximum Latitude: -5.3324 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 3468.0000 Maximum Altitude: 3705.0000 Minimum Depth: 3395.6001 Maximum Depth: 3742.5000 Minimum Amplitude: 32.4794 Maximum Amplitude: 72.7294 Minimum Sidescan: 2.6879 Maximum Sidescan: 4057.6766 Data Record Type Notices: DN: 306 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: 1 1 1 1 1 1 0 0 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: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 0 0 0 0 1 1 1 1 1 1