Swath Data File: sb2100_vf.19970414-2100pp.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: 270 Bathymetry Data (151 beams): Number of Beams: 40770 Number of Good Beams: 31549 77.38% Number of Zero Beams: 7531 18.47% Number of Flagged Beams: 1690 4.15% Amplitude Data (151 beams): Number of Beams: 40770 Number of Good Beams: 31549 77.38% Number of Zero Beams: 7531 18.47% Number of Flagged Beams: 1690 4.15% Sidescan Data (2000 pixels): Number of Pixels: 540000 Number of Good Pixels: 372973 69.07% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 167027 30.93% Navigation Totals: Total Time: 0.9965 hours Total Track Length: 24.6419 km Average Speed: 24.7295 km/hr (13.3673 knots) Start of Data: Time: 04 14 1997 19:58:40.135000 JD104 Lon: -101.8166 Lat: -6.6477 Depth: 4250.7002 meters Speed: 24.7740 km/hr (13.3914 knots) Heading: 276.2730 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4250.7002 m End of Data: Time: 04 14 1997 20:58:27.383000 JD104 Lon: -102.0365 Lat: -6.6120 Depth: 4005.6001 meters Speed: 24.6052 km/hr (13.3001 knots) Heading: 275.3080 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4005.6001 m Limits: Minimum Longitude: -102.0448 Maximum Longitude: -101.8082 Minimum Latitude: -6.7298 Maximum Latitude: -6.5390 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 3601.5000 Maximum Altitude: 4256.7002 Minimum Depth: 3420.6001 Maximum Depth: 4277.2002 Minimum Amplitude: 33.9794 Maximum Amplitude: 68.7294 Minimum Sidescan: 2.5785 Maximum Sidescan: 3062.4639 Data Record Type Notices: DN: 270 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 0 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