Swath Data File: sb2100_vf.19970503-1900pp.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: 223 Bathymetry Data (151 beams): Number of Beams: 33673 Number of Good Beams: 18195 54.03% Number of Zero Beams: 13378 39.73% Number of Flagged Beams: 2100 6.24% Amplitude Data (151 beams): Number of Beams: 33673 Number of Good Beams: 18195 54.03% Number of Zero Beams: 13378 39.73% Number of Flagged Beams: 2100 6.24% Sidescan Data (2000 pixels): Number of Pixels: 446000 Number of Good Pixels: 328594 73.68% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 117406 26.32% Navigation Totals: Total Time: 0.9934 hours Total Track Length: 22.6509 km Average Speed: 22.8025 km/hr (12.3257 knots) Start of Data: Time: 05 03 1997 17:58:41.930000 JD123 Lon: -120.5799 Lat: 23.6177 Depth: 4146.0000 meters Speed: 23.0059 km/hr (12.4356 knots) Heading: 18.9000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4146.0000 m End of Data: Time: 05 03 1997 18:58:17.996000 JD123 Lon: -120.5116 Lat: 23.8122 Depth: 4182.2002 meters Speed: 26.1488 km/hr (14.1345 knots) Heading: 19.0000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4182.2002 m Limits: Minimum Longitude: -120.6861 Maximum Longitude: -120.3957 Minimum Latitude: 23.5841 Maximum Latitude: 23.8449 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 4076.1001 Maximum Altitude: 4294.7002 Minimum Depth: 4038.3000 Maximum Depth: 4385.7002 Minimum Amplitude: 30.9794 Maximum Amplitude: 69.7294 Minimum Sidescan: 3.1342 Maximum Sidescan: 7133.4610 Data Record Type Notices: DN: 223 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 1 1 1 1 0 0 0 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 1 1 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 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 1 0 0 CM: 0 0 0 0 1 1 1 1 0 0