Swath Data File: NBP0101.d057.09.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: 381 Bathymetry Data (151 beams): Number of Beams: 57531 Number of Good Beams: 39442 68.56% Number of Zero Beams: 18089 31.44% Number of Flagged Beams: 0 0.00% Amplitude Data (151 beams): Number of Beams: 57531 Number of Good Beams: 39442 68.56% Number of Zero Beams: 18089 31.44% Number of Flagged Beams: 0 0.00% Sidescan Data (2000 pixels): Number of Pixels: 762000 Number of Good Pixels: 725608 95.22% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 36392 4.78% Navigation Totals: Total Time: 0.9978 hours Total Track Length: 13.1925 km Average Speed: 13.2216 km/hr ( 7.1468 knots) Start of Data: Time: 02 26 2001 09:45:50.671000 JD57 Lon: 90.6039 Lat: -65.2250 Depth: 2663.8999 meters Speed: 12.4918 km/hr ( 6.7524 knots) Heading: 321.9340 degrees Sonar Depth: 0.0000 m Sonar Altitude: 2663.8999 m End of Data: Time: 02 26 2001 10:45:42.750000 JD57 Lon: 90.4277 Lat: -65.1380 Depth: 2762.2000 meters Speed: 12.2915 km/hr ( 6.6440 knots) Heading: 322.9250 degrees Sonar Depth: 0.0000 m Sonar Altitude: 2762.2000 m Limits: Minimum Longitude: 90.3437 Maximum Longitude: 90.6945 Minimum Latitude: -65.2486 Maximum Latitude: -65.1143 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 0.0000 Maximum Altitude: 2913.6001 Minimum Depth: 2146.0000 Maximum Depth: 3365.5000 Minimum Amplitude: 40.0387 Maximum Amplitude: 86.2887 Minimum Sidescan: 0.7532 Maximum Sidescan: 36950.8726 Data Record Type Notices: DN: 381 MB_DATA_DATA (ID=1): survey data DN: 2 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 1 MB_ERROR_TIME_GAP (ID=-1): Time gap in data 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 0 0 1 1 1 0 0 0 0 CM: 0 0 1 1 1 1 1 0 0 0 CM: 1 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 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 1 1 1 1 1 1 1 CM: 0 0 0 0 1 1 1 1 0 0 CM: 0 0 0 0 1 1 1 0 0 0