Swath Data File: sb2100_vf.19970501-1000pp.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: 216 Bathymetry Data (151 beams): Number of Beams: 32616 Number of Good Beams: 17929 54.97% Number of Zero Beams: 12208 37.43% Number of Flagged Beams: 2479 7.60% Amplitude Data (151 beams): Number of Beams: 32616 Number of Good Beams: 17929 54.97% Number of Zero Beams: 12208 37.43% Number of Flagged Beams: 2479 7.60% Sidescan Data (2000 pixels): Number of Pixels: 432000 Number of Good Pixels: 318948 73.83% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 113052 26.17% Navigation Totals: Total Time: 0.9929 hours Total Track Length: 22.6473 km Average Speed: 22.8093 km/hr (12.3294 knots) Start of Data: Time: 05 01 1997 08:58:42.816000 JD121 Lon: -124.6719 Lat: 12.2009 Depth: 4551.7002 meters Speed: 25.5199 km/hr (13.7945 knots) Heading: 22.3550 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4551.7002 m End of Data: Time: 05 01 1997 09:58:17.237000 JD121 Lon: -124.6014 Lat: 12.3935 Depth: 4744.2002 meters Speed: 21.3547 km/hr (11.5431 knots) Heading: 22.6000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4744.2002 m Limits: Minimum Longitude: -124.7694 Maximum Longitude: -124.5086 Minimum Latitude: 12.1628 Maximum Latitude: 12.4332 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 4114.6001 Maximum Altitude: 4803.1001 Minimum Depth: 4334.1001 Maximum Depth: 4922.6001 Minimum Amplitude: 34.2294 Maximum Amplitude: 68.7294 Minimum Sidescan: 3.5820 Maximum Sidescan: 2923.2101 Data Record Type Notices: DN: 216 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 0 0 CM: 0 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 0 1 1 1 1 1 1 1 0 CM: 0 0 0 0 1 1 1 1 0 0