Swath Data File: sb2100_vf.19970317-0500p.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: 334 Bathymetry Data (151 beams): Number of Beams: 50434 Number of Good Beams: 35941 71.26% Number of Zero Beams: 12442 24.67% Number of Flagged Beams: 2051 4.07% Amplitude Data (151 beams): Number of Beams: 50434 Number of Good Beams: 35941 71.26% Number of Zero Beams: 12442 24.67% Number of Flagged Beams: 2051 4.07% Sidescan Data (2000 pixels): Number of Pixels: 668000 Number of Good Pixels: 375807 56.26% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 292193 43.74% Navigation Totals: Total Time: 0.9962 hours Total Track Length: 24.8955 km Average Speed: 24.9912 km/hr (13.5088 knots) Start of Data: Time: 03 17 1997 03:58:39.347000 JD76 Lon: -73.4175 Lat: -31.2560 Depth: 4144.2002 meters Speed: 26.3455 km/hr (14.2408 knots) Heading: 2.2960 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4144.2002 m End of Data: Time: 03 17 1997 04:58:25.564000 JD76 Lon: -73.4141 Lat: -31.0316 Depth: 3752.1001 meters Speed: 25.4178 km/hr (13.7394 knots) Heading: 0.3130 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3752.1001 m Limits: Minimum Longitude: -73.4950 Maximum Longitude: -73.3466 Minimum Latitude: -31.2588 Maximum Latitude: -31.0309 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 3738.1001 Maximum Altitude: 4274.1001 Minimum Depth: 3501.0000 Maximum Depth: 4377.2002 Minimum Amplitude: 33.7294 Maximum Amplitude: 71.9794 Minimum Sidescan: 2.3863 Maximum Sidescan: 5556.2928 Data Record Type Notices: DN: 334 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