Swath Data File: sb2100_vf.19970423-1200pp.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: 233 Bathymetry Data (151 beams): Number of Beams: 35183 Number of Good Beams: 20080 57.07% Number of Zero Beams: 13545 38.50% Number of Flagged Beams: 1558 4.43% Amplitude Data (151 beams): Number of Beams: 35183 Number of Good Beams: 20080 57.07% Number of Zero Beams: 13545 38.50% Number of Flagged Beams: 1558 4.43% Sidescan Data (2000 pixels): Number of Pixels: 466000 Number of Good Pixels: 363142 77.93% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 102858 22.07% Navigation Totals: Total Time: 0.9984 hours Total Track Length: 19.8951 km Average Speed: 19.9272 km/hr (10.7715 knots) Start of Data: Time: 04 23 1997 10:58:35.915000 JD113 Lon: -125.2002 Lat: 0.0005 Depth: 4651.7002 meters Speed: 20.1766 km/hr (10.9063 knots) Heading: 269.0920 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4651.7002 m End of Data: Time: 04 23 1997 11:58:30.113000 JD113 Lon: -125.3789 Lat: 0.0004 Depth: 4618.5000 meters Speed: 20.2434 km/hr (10.9424 knots) Heading: 268.4890 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4618.5000 m Limits: Minimum Longitude: -125.3821 Maximum Longitude: -125.1992 Minimum Latitude: -0.1014 Maximum Latitude: 0.0769 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 4566.7002 Maximum Altitude: 4736.6001 Minimum Depth: 4501.7002 Maximum Depth: 4771.6001 Minimum Amplitude: 37.2294 Maximum Amplitude: 70.2294 Minimum Sidescan: 5.9029 Maximum Sidescan: 3395.3169 Data Record Type Notices: DN: 233 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 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: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1