Swath Data File: sb2100_vf.19970428-0400pp.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: 222 Bathymetry Data (151 beams): Number of Beams: 33522 Number of Good Beams: 21691 64.71% Number of Zero Beams: 10454 31.19% Number of Flagged Beams: 1377 4.11% Amplitude Data (151 beams): Number of Beams: 33522 Number of Good Beams: 21691 64.71% Number of Zero Beams: 10454 31.19% Number of Flagged Beams: 1377 4.11% Sidescan Data (2000 pixels): Number of Pixels: 444000 Number of Good Pixels: 256115 57.68% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 187885 42.32% Navigation Totals: Total Time: 0.9977 hours Total Track Length: 13.2650 km Average Speed: 13.2952 km/hr ( 7.1866 knots) Start of Data: Time: 04 28 1997 02:58:38.080000 JD118 Lon: -124.9998 Lat: 5.8838 Depth: 4376.7002 meters Speed: 23.9336 km/hr (12.9371 knots) Heading: 0.1240 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4376.7002 m End of Data: Time: 04 28 1997 03:58:29.906000 JD118 Lon: -124.9976 Lat: 5.9986 Depth: 4453.1001 meters Speed: 0.0872 km/hr ( 0.0471 knots) Heading: 260.7990 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4453.1001 m Limits: Minimum Longitude: -125.1039 Maximum Longitude: -124.9332 Minimum Latitude: 5.8835 Maximum Latitude: 6.0833 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 4349.1001 Maximum Altitude: 4514.1001 Minimum Depth: 4342.2002 Maximum Depth: 4584.5000 Minimum Amplitude: 34.7294 Maximum Amplitude: 69.7294 Minimum Sidescan: 2.2607 Maximum Sidescan: 3416.5423 Data Record Type Notices: DN: 222 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: 0 1 1 1 0 0 0 0 0 0 CM: 0 1 1 1 1 1 1 1 1 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 1 CM: 1 1 1 1 1 1 1 1 1 1