Swath Data File: sb2100_vf.19970415-0500pp.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: GENE04RR Cruise Name: Genesis_Expedition_leg_04 PI: Robert_Weller PI Institution: Woods_Hole_Oceanographic_Institution Client: NOAA 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: 242 Bathymetry Data (151 beams): Number of Beams: 36542 Number of Good Beams: 26108 71.45% Number of Zero Beams: 8716 23.85% Number of Flagged Beams: 1718 4.70% Amplitude Data (151 beams): Number of Beams: 36542 Number of Good Beams: 26108 71.45% Number of Zero Beams: 8716 23.85% Number of Flagged Beams: 1718 4.70% Sidescan Data (2000 pixels): Number of Pixels: 484000 Number of Good Pixels: 326068 67.37% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 157932 32.63% Navigation Totals: Total Time: 0.9968 hours Total Track Length: 24.4087 km Average Speed: 24.4881 km/hr (13.2368 knots) Start of Data: Time: 04 15 1997 03:58:39.366000 JD105 Lon: -103.5592 Lat: -6.3752 Depth: 3941.6001 meters Speed: 24.9781 km/hr (13.5017 knots) Heading: 276.0630 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3941.6001 m End of Data: Time: 04 15 1997 04:58:27.689000 JD105 Lon: -103.7771 Lat: -6.3412 Depth: 3930.1001 meters Speed: 25.0598 km/hr (13.5458 knots) Heading: 276.1000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3930.1001 m Limits: Minimum Longitude: -103.7870 Maximum Longitude: -103.5494 Minimum Latitude: -6.4708 Maximum Latitude: -6.2523 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 3559.8000 Maximum Altitude: 4017.8000 Minimum Depth: 3503.1001 Maximum Depth: 4297.7002 Minimum Amplitude: 32.4794 Maximum Amplitude: 70.9794 Minimum Sidescan: 3.0143 Maximum Sidescan: 3255.1536 Data Record Type Notices: DN: 242 MB_DATA_DATA (ID=1): survey data DN: 78 MB_DATA_COMMENT (ID=2): comment DN: 2 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 78 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: 1 1 1 1 1 1 1 1 0 0 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 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 1 CM: 0 0 0 0 1 1 1 1 1 1