Swath Data File: sb2100_vf.19970312-1755p.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: 339 Bathymetry Data (151 beams): Number of Beams: 51189 Number of Good Beams: 46098 90.05% Number of Zero Beams: 2408 4.70% Number of Flagged Beams: 2683 5.24% Amplitude Data (151 beams): Number of Beams: 51189 Number of Good Beams: 46098 90.05% Number of Zero Beams: 2408 4.70% Number of Flagged Beams: 2683 5.24% Sidescan Data (2000 pixels): Number of Pixels: 678000 Number of Good Pixels: 651995 96.16% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 26005 3.84% Navigation Totals: Total Time: 0.3641 hours Total Track Length: 6.5861 km Average Speed: 18.0863 km/hr ( 9.7764 knots) Start of Data: Time: 03 12 1997 17:31:45.774000 JD71 Lon: -73.5976 Lat: -36.5028 Depth: 444.6000 meters Speed: 23.1135 km/hr (12.4938 knots) Heading: 302.4870 degrees Sonar Depth: 0.0000 m Sonar Altitude: 444.6000 m End of Data: Time: 03 12 1997 17:53:36.702000 JD71 Lon: -73.6588 Lat: -36.4749 Depth: 0.0000 meters Speed: 5.7311 km/hr ( 3.0979 knots) Heading: 181.9590 degrees Sonar Depth: 0.0000 m Sonar Altitude: 0.0000 m Limits: Minimum Longitude: -73.6821 Maximum Longitude: -73.5869 Minimum Latitude: -36.5175 Maximum Latitude: -36.4542 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 0.0000 Maximum Altitude: 687.7000 Minimum Depth: 414.7000 Maximum Depth: 808.7000 Minimum Amplitude: 19.9794 Maximum Amplitude: 66.2294 Minimum Sidescan: 0.3991 Maximum Sidescan: 2973.8387 Data Record Type Notices: DN: 339 MB_DATA_DATA (ID=1): survey data DN: 39 MB_DATA_COMMENT (ID=2): comment DN: 1 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 39 MB_ERROR_COMMENT (ID=-5): Comment record EN: 1 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 0 0 0 CM: 1 1 1 1 1 1 1 1 0 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 0 0 1 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 0 0 1 1 1 1 1 1 1 CM: 0 0 0 0 1 1 1 1 1 0 CM: 0 0 0 0 0 0 1 1 1 0