Swath Data File: sb2100_vf.19970428-0200pp.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: 20798 62.04% Number of Zero Beams: 11117 33.16% Number of Flagged Beams: 1607 4.79% Amplitude Data (151 beams): Number of Beams: 33522 Number of Good Beams: 20798 62.04% Number of Zero Beams: 11117 33.16% Number of Flagged Beams: 1607 4.79% Sidescan Data (2000 pixels): Number of Pixels: 444000 Number of Good Pixels: 260590 58.69% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 183410 41.31% Navigation Totals: Total Time: 0.9949 hours Total Track Length: 17.7922 km Average Speed: 17.8831 km/hr ( 9.6665 knots) Start of Data: Time: 04 28 1997 00:58:43.252000 JD118 Lon: -124.9954 Lat: 5.5013 Depth: 4468.5000 meters Speed: 1.5306 km/hr ( 0.8274 knots) Heading: 58.8250 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4468.5000 m End of Data: Time: 04 28 1997 01:58:24.965000 JD118 Lon: -124.9960 Lat: 5.6614 Depth: 4430.7002 meters Speed: 23.5755 km/hr (12.7435 knots) Heading: 355.7970 degrees Sonar Depth: 0.0000 m Sonar Altitude: 4430.7002 m Limits: Minimum Longitude: -125.0978 Maximum Longitude: -124.9265 Minimum Latitude: 5.4437 Maximum Latitude: 5.6671 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 4347.2002 Maximum Altitude: 4502.2002 Minimum Depth: 4008.1001 Maximum Depth: 4528.5000 Minimum Amplitude: 33.7294 Maximum Amplitude: 71.2294 Minimum Sidescan: 2.1351 Maximum Sidescan: 3854.3641 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: 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 0 0 1 1 1 1 CM: 0 0 0 0 0 0 0 1 1 0