Swath Data File: sb2100_vf.19970324-0700p.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: GENE03RR Cruise Name: Genesis_Expedition_leg_03 PI: Alan_Mix PI Institution: Oregon_State_University Client: OCE93-14679 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: 377 Bathymetry Data (151 beams): Number of Beams: 56927 Number of Good Beams: 47627 83.66% Number of Zero Beams: 5382 9.45% Number of Flagged Beams: 3918 6.88% Amplitude Data (151 beams): Number of Beams: 56927 Number of Good Beams: 47627 83.66% Number of Zero Beams: 5382 9.45% Number of Flagged Beams: 3918 6.88% Sidescan Data (2000 pixels): Number of Pixels: 754000 Number of Good Pixels: 591209 78.41% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 162791 21.59% Navigation Totals: Total Time: 0.9974 hours Total Track Length: 13.2546 km Average Speed: 13.2888 km/hr ( 7.1831 knots) Start of Data: Time: 03 24 1997 05:58:36.278000 JD83 Lon: -81.5767 Lat: -20.8910 Depth: 2388.8000 meters Speed: 13.0392 km/hr ( 7.0482 knots) Heading: 326.0000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 2388.8000 m End of Data: Time: 03 24 1997 06:58:27.032000 JD83 Lon: -81.6167 Lat: -20.7863 Depth: 2964.6001 meters Speed: 12.4436 km/hr ( 6.7263 knots) Heading: 60.9000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 2964.6001 m Limits: Minimum Longitude: -81.6998 Maximum Longitude: -81.5220 Minimum Latitude: -20.9240 Maximum Latitude: -20.7325 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 2017.3000 Maximum Altitude: 2964.6001 Minimum Depth: 1427.4000 Maximum Depth: 3099.6001 Minimum Amplitude: 24.7397 Maximum Amplitude: 72.9897 Minimum Sidescan: 0.8881 Maximum Sidescan: 6736.1320 Data Record Type Notices: DN: 377 MB_DATA_DATA (ID=1): survey data DN: 39 MB_DATA_COMMENT (ID=2): comment DN: 2 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 39 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 0 0 0 0 0 0 CM: 0 1 1 1 1 0 0 0 0 0 CM: 1 1 1 1 1 0 0 1 0 0 CM: 1 1 1 1 1 1 1 1 1 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: 0 0 1 1 1 1 1 1 0 0 CM: 0 0 1 1 1 1 0 0 0 0