Swath Data File: sb2100_vf.19970414-0100pp.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: 332 Bathymetry Data (151 beams): Number of Beams: 50132 Number of Good Beams: 37973 75.75% Number of Zero Beams: 10088 20.12% Number of Flagged Beams: 2071 4.13% Amplitude Data (151 beams): Number of Beams: 50132 Number of Good Beams: 37973 75.75% Number of Zero Beams: 10088 20.12% Number of Flagged Beams: 2071 4.13% Sidescan Data (2000 pixels): Number of Pixels: 664000 Number of Good Pixels: 541011 81.48% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 122989 18.52% Navigation Totals: Total Time: 0.9967 hours Total Track Length: 23.4331 km Average Speed: 23.5112 km/hr (12.7088 knots) Start of Data: Time: 04 13 1997 23:58:34.156000 JD103 Lon: -97.6244 Lat: -7.3388 Depth: 3818.1001 meters Speed: 23.8167 km/hr (12.8739 knots) Heading: 280.3530 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3818.1001 m End of Data: Time: 04 14 1997 00:58:22.201000 JD104 Lon: -97.8309 Lat: -7.2899 Depth: 3861.1001 meters Speed: 23.5625 km/hr (12.7365 knots) Heading: 283.2600 degrees Sonar Depth: 0.0000 m Sonar Altitude: 3861.1001 m Limits: Minimum Longitude: -97.8450 Maximum Longitude: -97.6144 Minimum Latitude: -7.4049 Maximum Latitude: -7.2345 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 3518.8000 Maximum Altitude: 3941.6001 Minimum Depth: 3491.1001 Maximum Depth: 3985.1001 Minimum Amplitude: 33.4794 Maximum Amplitude: 68.7294 Minimum Sidescan: 2.5785 Maximum Sidescan: 3161.6030 Data Record Type Notices: DN: 332 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 0 0 0 0 0 0 CM: 1 1 1 1 1 1 1 0 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: 0 0 1 1 1 1 1 1 1 1 CM: 0 0 0 0 0 0 1 1 1 1