Swath Data File: sb2100_vf.19970316-2400p.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: 338 Bathymetry Data (151 beams): Number of Beams: 51038 Number of Good Beams: 37983 74.42% Number of Zero Beams: 10876 21.31% Number of Flagged Beams: 2179 4.27% Amplitude Data (151 beams): Number of Beams: 51038 Number of Good Beams: 37983 74.42% Number of Zero Beams: 10876 21.31% Number of Flagged Beams: 2179 4.27% Sidescan Data (2000 pixels): Number of Pixels: 676000 Number of Good Pixels: 376326 55.67% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 299674 44.33% Navigation Totals: Total Time: 0.9968 hours Total Track Length: 25.1979 km Average Speed: 25.2789 km/hr (13.6643 knots) Start of Data: Time: 03 16 1997 22:58:42.225000 JD75 Lon: -73.4060 Lat: -32.3979 Depth: 3845.1001 meters Speed: 25.8316 km/hr (13.9630 knots) Heading: 1.5550 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3845.1001 m End of Data: Time: 03 16 1997 23:58:30.692000 JD75 Lon: -73.4169 Lat: -32.1710 Depth: 3787.1001 meters Speed: 25.5459 km/hr (13.8086 knots) Heading: 0.8000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3787.1001 m Limits: Minimum Longitude: -73.4980 Maximum Longitude: -73.3371 Minimum Latitude: -32.4007 Maximum Latitude: -32.1701 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 3659.8000 Maximum Altitude: 4008.3000 Minimum Depth: 3424.0000 Maximum Depth: 4139.1001 Minimum Amplitude: 33.9794 Maximum Amplitude: 71.9794 Minimum Sidescan: 2.8887 Maximum Sidescan: 4987.2249 Data Record Type Notices: DN: 338 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: 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: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1