Swath Data File: sb2100_vf.19970426-1700pp.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: 228 Bathymetry Data (151 beams): Number of Beams: 34428 Number of Good Beams: 21609 62.77% Number of Zero Beams: 11396 33.10% Number of Flagged Beams: 1423 4.13% Amplitude Data (151 beams): Number of Beams: 34428 Number of Good Beams: 21609 62.77% Number of Zero Beams: 11396 33.10% Number of Flagged Beams: 1423 4.13% Sidescan Data (2000 pixels): Number of Pixels: 456000 Number of Good Pixels: 255879 56.11% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 200121 43.89% Navigation Totals: Total Time: 0.9951 hours Total Track Length: 6.9148 km Average Speed: 6.9485 km/hr ( 3.7559 knots) Start of Data: Time: 04 26 1997 15:58:43.606000 JD116 Lon: -124.9964 Lat: 0.9498 Depth: 4477.7002 meters Speed: 23.0783 km/hr (12.4747 knots) Heading: 349.3390 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4477.7002 m End of Data: Time: 04 26 1997 16:58:26.124000 JD116 Lon: -124.9926 Lat: 1.0073 Depth: 4608.2002 meters Speed: 1.6475 km/hr ( 0.8906 knots) Heading: 73.6120 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4608.2002 m Limits: Minimum Longitude: -125.0995 Maximum Longitude: -124.9235 Minimum Latitude: 0.9017 Maximum Latitude: 1.1025 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 4475.2002 Maximum Altitude: 4637.2002 Minimum Depth: 4413.2002 Maximum Depth: 4686.7002 Minimum Amplitude: 33.7294 Maximum Amplitude: 70.2294 Minimum Sidescan: 2.0095 Maximum Sidescan: 3420.4358 Data Record Type Notices: DN: 228 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 0 0 1 1 0 0 1 0 CM: 0 0 0 0 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 0 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 0 0 CM: 0 0 0 1 0 1 1 0 0 0