Swath Data File: sb2100_vf.19970304-1900p.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: 338 Bathymetry Data (151 beams): Number of Beams: 51038 Number of Good Beams: 38723 75.87% Number of Zero Beams: 10205 19.99% Number of Flagged Beams: 2110 4.13% Amplitude Data (151 beams): Number of Beams: 51038 Number of Good Beams: 38723 75.87% Number of Zero Beams: 10205 19.99% Number of Flagged Beams: 2110 4.13% Sidescan Data (2000 pixels): Number of Pixels: 676000 Number of Good Pixels: 675674 99.95% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 326 0.05% Navigation Totals: Total Time: 0.9989 hours Total Track Length: 23.1108 km Average Speed: 23.1362 km/hr (12.5060 knots) Start of Data: Time: 03 04 1997 17:58:35.757000 JD63 Lon: -76.1223 Lat: -42.9387 Depth: 3636.1001 meters Speed: 23.1915 km/hr (12.5359 knots) Heading: 24.2970 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3636.1001 m End of Data: Time: 03 04 1997 18:58:31.808000 JD63 Lon: -76.0102 Lat: -42.7477 Depth: 3739.8000 meters Speed: 23.1915 km/hr (12.5359 knots) Heading: 24.6000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3739.8000 m Limits: Minimum Longitude: -76.1920 Maximum Longitude: -75.9433 Minimum Latitude: -42.9608 Maximum Latitude: -42.7241 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 3630.8000 Maximum Altitude: 3746.8000 Minimum Depth: 3538.8000 Maximum Depth: 3825.0000 Minimum Amplitude: 28.2294 Maximum Amplitude: 74.4794 Minimum Sidescan: 0.7536 Maximum Sidescan: 5691.9347 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: 0 0 0 0 1 1 1 1 0 0 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 1 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: 0 0 1 1 1 1 1 0 0 0