Swath Data File: sb2100_vf.19970417-0900pp.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: 22455 66.69% Number of Zero Beams: 9809 29.13% Number of Flagged Beams: 1409 4.18% Amplitude Data (151 beams): Number of Beams: 33673 Number of Good Beams: 22455 66.69% Number of Zero Beams: 9809 29.13% Number of Flagged Beams: 1409 4.18% Sidescan Data (2000 pixels): Number of Pixels: 446000 Number of Good Pixels: 327030 73.33% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 118970 26.67% Navigation Totals: Total Time: 0.9968 hours Total Track Length: 25.3184 km Average Speed: 25.3998 km/hr (13.7296 knots) Start of Data: Time: 04 17 1997 07:58:36.354000 JD107 Lon: -114.4009 Lat: -4.6682 Depth: 4274.7002 meters Speed: 24.7536 km/hr (13.3803 knots) Heading: 278.2060 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4274.7002 m End of Data: Time: 04 17 1997 08:58:24.823000 JD107 Lon: -114.6264 Lat: -4.6330 Depth: 4307.1001 meters Speed: 25.7017 km/hr (13.8928 knots) Heading: 280.0470 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4307.1001 m Limits: Minimum Longitude: -114.6441 Maximum Longitude: -114.3877 Minimum Latitude: -4.7687 Maximum Latitude: -4.5349 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 4177.7002 Maximum Altitude: 4340.7002 Minimum Depth: 4153.5000 Maximum Depth: 4379.5000 Minimum Amplitude: 36.2294 Maximum Amplitude: 72.2294 Minimum Sidescan: 4.1110 Maximum Sidescan: 5441.9636 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 1 1 1 1 1 1 1 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 1 1 1 1 1 1 1 1