Swath Data File: sb2100_vf.19970330-0800p.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: 359 Bathymetry Data (151 beams): Number of Beams: 54209 Number of Good Beams: 44589 82.25% Number of Zero Beams: 7411 13.67% Number of Flagged Beams: 2209 4.07% Amplitude Data (151 beams): Number of Beams: 54209 Number of Good Beams: 44589 82.25% Number of Zero Beams: 7411 13.67% Number of Flagged Beams: 2209 4.07% Sidescan Data (2000 pixels): Number of Pixels: 718000 Number of Good Pixels: 570359 79.44% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 147641 20.56% Navigation Totals: Total Time: 0.9970 hours Total Track Length: 12.4963 km Average Speed: 12.5343 km/hr ( 6.7753 knots) Start of Data: Time: 03 30 1997 06:58:42.148000 JD89 Lon: -76.4173 Lat: -16.0574 Depth: 3158.1001 meters Speed: 11.7720 km/hr ( 6.3632 knots) Heading: 139.9000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3158.1001 m End of Data: Time: 03 30 1997 07:58:31.227000 JD89 Lon: -76.3424 Lat: -16.1439 Depth: 3345.5000 meters Speed: 12.7572 km/hr ( 6.8958 knots) Heading: 139.1230 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3345.5000 m Limits: Minimum Longitude: -76.4624 Maximum Longitude: -76.2951 Minimum Latitude: -16.1818 Maximum Latitude: -16.0181 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 3154.6001 Maximum Altitude: 3345.5000 Minimum Depth: 3118.6001 Maximum Depth: 3390.0000 Minimum Amplitude: 27.7294 Maximum Amplitude: 71.9794 Minimum Sidescan: 0.5024 Maximum Sidescan: 4993.1278 Data Record Type Notices: DN: 359 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 0 0 CM: 0 0 1 1 1 1 1 1 1 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 0 1 1 1 1 1 1 1 0 CM: 0 0 1 1 1 1 1 0 0 0 CM: 0 0 0 1 1 1 0 0 0 0