Swath Data File: sb2100_vf.19970403-0800p.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: 343 Bathymetry Data (151 beams): Number of Beams: 51793 Number of Good Beams: 40082 77.39% Number of Zero Beams: 9410 18.17% Number of Flagged Beams: 2301 4.44% Amplitude Data (151 beams): Number of Beams: 51793 Number of Good Beams: 40082 77.39% Number of Zero Beams: 9410 18.17% Number of Flagged Beams: 2301 4.44% Sidescan Data (2000 pixels): Number of Pixels: 686000 Number of Good Pixels: 556704 81.15% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 129296 18.85% Navigation Totals: Total Time: 0.9958 hours Total Track Length: 13.1414 km Average Speed: 13.1968 km/hr ( 7.1334 knots) Start of Data: Time: 04 03 1997 06:58:41.561000 JD93 Lon: -76.7306 Lat: -15.2575 Depth: 3581.8000 meters Speed: 12.9872 km/hr ( 7.0201 knots) Heading: 17.3560 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3581.8000 m End of Data: Time: 04 03 1997 07:58:26.472000 JD93 Lon: -76.6977 Lat: -15.1432 Depth: 3840.8000 meters Speed: 13.4455 km/hr ( 7.2678 knots) Heading: 15.1530 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3840.8000 m Limits: Minimum Longitude: -76.7982 Maximum Longitude: -76.6417 Minimum Latitude: -15.2740 Maximum Latitude: -15.1250 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 3569.6001 Maximum Altitude: 3840.8000 Minimum Depth: 3203.5000 Maximum Depth: 3953.1001 Minimum Amplitude: 23.9794 Maximum Amplitude: 71.7294 Minimum Sidescan: 0.7536 Maximum Sidescan: 4475.5536 Data Record Type Notices: DN: 343 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 1 1 1 1 1 0 0 0 0 CM: 0 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 0 CM: 0 1 1 1 1 1 1 1 1 0 CM: 0 0 0 0 1 1 1 1 1 0