Swath Data File: sb2100_vf.19970225-1900p.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: 26018 50.83% Number of Zero Beams: 21288 41.59% Number of Flagged Beams: 3883 7.59% Amplitude Data (151 beams): Number of Beams: 51189 Number of Good Beams: 26018 50.83% Number of Zero Beams: 21288 41.59% Number of Flagged Beams: 3883 7.59% Sidescan Data (2000 pixels): Number of Pixels: 678000 Number of Good Pixels: 674622 99.50% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 3378 0.50% Navigation Totals: Total Time: 0.9961 hours Total Track Length: 15.8093 km Average Speed: 15.8706 km/hr ( 8.5787 knots) Start of Data: Time: 02 25 1997 17:58:37.584000 JD56 Lon: -77.0869 Lat: -50.7968 Depth: 3963.5000 meters Speed: 15.6811 km/hr ( 8.4763 knots) Heading: 321.3750 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3963.5000 m End of Data: Time: 02 25 1997 18:58:23.685000 JD56 Lon: -76.9804 Lat: -50.6761 Depth: 3965.3000 meters Speed: 15.0281 km/hr ( 8.1233 knots) Heading: 26.7690 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3965.3000 m Limits: Minimum Longitude: -77.1767 Maximum Longitude: -76.9180 Minimum Latitude: -50.8253 Maximum Latitude: -50.6531 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 3783.5000 Maximum Altitude: 4233.7998 Minimum Depth: 2338.0000 Maximum Depth: 4326.2002 Minimum Amplitude: 27.9794 Maximum Amplitude: 77.7294 Minimum Sidescan: 0.1991 Maximum Sidescan: 8659.6272 Data Record Type Notices: DN: 339 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 1 1 1 0 0 0 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 0 1 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 0 0 0 CM: 1 1 1 0 0 0 0 0 0 0