Swath Data File: sb2100_vf.19970502-0800pp.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: 137 Bathymetry Data (151 beams): Number of Beams: 20687 Number of Good Beams: 14382 69.52% Number of Zero Beams: 5268 25.47% Number of Flagged Beams: 1037 5.01% Amplitude Data (151 beams): Number of Beams: 20687 Number of Good Beams: 14382 69.52% Number of Zero Beams: 5268 25.47% Number of Flagged Beams: 1037 5.01% Sidescan Data (2000 pixels): Number of Pixels: 274000 Number of Good Pixels: 273569 99.84% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 431 0.16% Navigation Totals: Total Time: 0.9914 hours Total Track Length: 24.2569 km Average Speed: 24.4683 km/hr (13.2261 knots) Start of Data: Time: 05 02 1997 06:58:44.722000 JD122 Lon: -123.1144 Lat: 16.6291 Depth: 4269.2002 meters Speed: 24.2638 km/hr (13.1156 knots) Heading: 19.3000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4269.2002 m End of Data: Time: 05 02 1997 07:58:13.623000 JD122 Lon: -123.0416 Lat: 16.8368 Depth: 4200.2002 meters Speed: 21.4994 km/hr (11.6213 knots) Heading: 19.4620 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4200.2002 m Limits: Minimum Longitude: -123.2467 Maximum Longitude: -122.9087 Minimum Latitude: 16.5849 Maximum Latitude: 16.8826 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 3877.8000 Maximum Altitude: 4309.7002 Minimum Depth: 3852.8000 Maximum Depth: 4387.7002 Minimum Amplitude: 33.4794 Maximum Amplitude: 68.7294 Minimum Sidescan: 4.1416 Maximum Sidescan: 3488.9350 Data Record Type Notices: DN: 137 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: 0 1 1 1 1 1 1 1 0 0 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 0 CM: 0 0 1 1 1 1 1 1 1 0 CM: 0 0 0 0 0 1 1 1 1 0