Swath Data File: sb2100_vf.19970316-1112p.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: 67 Bathymetry Data (151 beams): Number of Beams: 10117 Number of Good Beams: 7606 75.18% Number of Zero Beams: 2092 20.68% Number of Flagged Beams: 419 4.14% Amplitude Data (151 beams): Number of Beams: 10117 Number of Good Beams: 7606 75.18% Number of Zero Beams: 2092 20.68% Number of Flagged Beams: 419 4.14% Sidescan Data (2000 pixels): Number of Pixels: 134000 Number of Good Pixels: 74751 55.78% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 59249 44.22% Navigation Totals: Total Time: 0.1951 hours Total Track Length: 2.3503 km Average Speed: 12.0475 km/hr ( 6.5121 knots) Start of Data: Time: 03 16 1997 10:58:40.751000 JD75 Lon: -73.6310 Lat: -32.6030 Depth: 3933.0000 meters Speed: 22.3566 km/hr (12.0846 knots) Heading: 303.1750 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3933.0000 m End of Data: Time: 03 16 1997 11:10:23.064000 JD75 Lon: -73.6516 Lat: -32.5913 Depth: 3926.6001 meters Speed: 0.0594 km/hr ( 0.0321 knots) Heading: 345.5130 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3926.6001 m Limits: Minimum Longitude: -73.7257 Maximum Longitude: -73.5858 Minimum Latitude: -32.6573 Maximum Latitude: -32.5440 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 3917.8000 Maximum Altitude: 3977.3000 Minimum Depth: 3728.8000 Maximum Depth: 4012.1001 Minimum Amplitude: 29.2294 Maximum Amplitude: 71.4794 Minimum Sidescan: 1.3815 Maximum Sidescan: 4302.7359 Data Record Type Notices: DN: 67 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 0 0 0 0 0 0 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1 CM: 0 0 0 0 0 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 0 0 CM: 1 1 1 1 1 1 1 0 0 0 CM: 1 1 1 1 1 1 1 0 0 0 CM: 1 1 1 1 1 1 0 0 0 0 CM: 0 1 1 1 1 1 0 0 0 0 CM: 0 0 1 1 1 0 0 0 0 0