Swath Data File: sb199910190147.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. Data Totals: Number of Records: 400 Bathymetry Data (151 beams): Number of Beams: 60400 Number of Good Beams: 49009 81.14% Number of Zero Beams: 11391 18.86% Number of Flagged Beams: 0 0.00% Amplitude Data (151 beams): Number of Beams: 60400 Number of Good Beams: 49009 81.14% Number of Zero Beams: 11391 18.86% Number of Flagged Beams: 0 0.00% Sidescan Data (2000 pixels): Number of Pixels: 800000 Number of Good Pixels: 471038 58.88% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 328962 41.12% Navigation Totals: Total Time: 0.6686 hours Total Track Length: 8.7536 km Average Speed: 13.0932 km/hr ( 7.0774 knots) Start of Data: Time: 10 19 1999 01:46:23.778000 JD292 Lon: -117.7520 Lat: 32.1823 Depth: 1865.3000 meters Speed: 14.4715 km/hr ( 7.8224 knots) Heading: 321.8000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 1865.3000 m End of Data: Time: 10 19 1999 02:26:30.607000 JD292 Lon: -117.8119 Lat: 32.2426 Depth: 1871.2000 meters Speed: 13.0930 km/hr ( 7.0773 knots) Heading: 320.0000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 1871.2000 m Limits: Minimum Longitude: -117.8418 Maximum Longitude: -117.7227 Minimum Latitude: 32.1625 Maximum Latitude: 32.2633 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 0.0000 Maximum Altitude: 1956.1000 Minimum Depth: 1741.5000 Maximum Depth: 1956.1000 Minimum Amplitude: 47.7887 Maximum Amplitude: 92.5387 Minimum Sidescan: 2.3820 Maximum Sidescan: 47651.2764 Data Record Type Notices: DN: 400 MB_DATA_DATA (ID=1): survey data DN: 1 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 1 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: Coverage Mask: CM dimensions: 10 10 CM: 0 0 0 1 1 1 0 0 0 0 CM: 0 0 1 1 1 1 1 0 0 0 CM: 0 1 1 1 1 1 1 1 0 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 0 CM: 0 0 0 1 1 1 1 1 0 0 CM: 0 0 0 0 1 1 1 0 0 0