Swath Data File: sb2100_vf.19970326-0200p.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: 368 Bathymetry Data (151 beams): Number of Beams: 55568 Number of Good Beams: 44687 80.42% Number of Zero Beams: 6908 12.43% Number of Flagged Beams: 3973 7.15% Amplitude Data (151 beams): Number of Beams: 55568 Number of Good Beams: 44687 80.42% Number of Zero Beams: 6908 12.43% Number of Flagged Beams: 3973 7.15% Sidescan Data (2000 pixels): Number of Pixels: 736000 Number of Good Pixels: 582081 79.09% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 153919 20.91% Navigation Totals: Total Time: 0.9980 hours Total Track Length: 13.1247 km Average Speed: 13.1509 km/hr ( 7.1086 knots) Start of Data: Time: 03 26 1997 00:58:35.059000 JD85 Lon: -78.9779 Lat: -18.0458 Depth: 2891.6001 meters Speed: 13.4028 km/hr ( 7.2448 knots) Heading: 57.0120 degrees Sonar Depth: 0.0000 m Sonar Altitude: 2891.6001 m End of Data: Time: 03 26 1997 01:58:27.904000 JD85 Lon: -78.8741 Lat: -17.9811 Depth: 2609.5000 meters Speed: 13.1542 km/hr ( 7.1104 knots) Heading: 57.3000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 2609.5000 m Limits: Minimum Longitude: -79.0117 Maximum Longitude: -78.8378 Minimum Latitude: -18.0972 Maximum Latitude: -17.9275 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 2407.6001 Maximum Altitude: 2915.6001 Minimum Depth: 950.0000 Maximum Depth: 2988.0000 Minimum Amplitude: 25.9897 Maximum Amplitude: 74.9897 Minimum Sidescan: 0.1776 Maximum Sidescan: 6901.4936 Data Record Type Notices: DN: 368 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 1 1 1 1 0 0 0 CM: 0 0 1 1 1 1 1 1 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: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 0 1 1 1 1 1 1 0 0 CM: 0 0 0 1 1 1 0 0 0 0