Swath Data File: sb20011132300.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: 2247 Bathymetry Data (75 beams): Number of Beams: 168525 Number of Good Beams: 136477 80.98% Number of Zero Beams: 31485 18.68% Number of Flagged Beams: 563 0.33% Amplitude Data (75 beams): Number of Beams: 168525 Number of Good Beams: 136477 80.98% Number of Zero Beams: 31485 18.68% Number of Flagged Beams: 563 0.33% Sidescan Data (2000 pixels): Number of Pixels: 4494000 Number of Good Pixels: 3758150 83.63% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 735850 16.37% Navigation Totals: Total Time: 0.9994 hours Total Track Length: 0.0696 km Average Speed: 0.0696 km/hr ( 0.0376 knots) Start of Data: Time: 04 23 2001 23:00:01.079000 JD113 Lon: -124.1915 Lat: 48.3603 Depth: 173.3900 meters Speed: 24.8946 km/hr (13.4566 knots) Heading: 292.2590 degrees Sonar Depth: 0.0000 m Sonar Altitude: 181.9600 m End of Data: Time: 04 23 2001 23:59:58.887000 JD113 Lon: 0.0000 Lat: 0.0000 Depth: 189.2200 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 0.0000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 189.2200 m Limits: Minimum Longitude: -124.1944 Maximum Longitude: -124.1901 Minimum Latitude: 48.3580 Maximum Latitude: 48.3630 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 165.1900 Maximum Altitude: 190.7100 Minimum Depth: 154.9000 Maximum Depth: 192.6000 Minimum Amplitude: 42.4685 Maximum Amplitude: 92.7185 Minimum Sidescan: 3.6385 Maximum Sidescan: 43349.2882 Data Record Type Notices: DN: 2247 MB_DATA_DATA (ID=1): survey data DN: 2 MB_DATA_VELOCITY_PROFILE (ID=6): SVP Nonfatal Error Notices: EN: 2 MB_ERROR_OTHER (ID=-8): Neither a data record nor a comment record Problem Notices: PN: 2231 DATA PROBLEM (ID=2): Zero longitude or latitude in survey data PN: 11 DATA PROBLEM (ID=3): Instantaneous speed exceeds 25 km/hr Coverage Mask: CM dimensions: 10 10 CM: 0 0 0 1 1 1 1 1 1 1 CM: 0 0 1 1 1 1 1 1 1 1 CM: 0 1 1 1 1 1 1 1 1 1 CM: 1 1 1 1 1 1 1 1 1 0 CM: 1 1 1 1 1 1 1 1 0 0 CM: 1 1 1 1 1 1 1 0 0 0 CM: 1 1 1 1 1 1 1 0 0 0 CM: 1 1 1 1 1 1 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0 CM: 1 1 1 1 1 0 0 0 0 0