Swath Data File: sb199806052032.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: 48518 80.33% Number of Zero Beams: 11459 18.97% Number of Flagged Beams: 423 0.70% Amplitude Data (151 beams): Number of Beams: 60400 Number of Good Beams: 48518 80.33% Number of Zero Beams: 11459 18.97% Number of Flagged Beams: 423 0.70% Sidescan Data (2000 pixels): Number of Pixels: 800000 Number of Good Pixels: 696064 87.01% Number of Zero Pixels: 0 0.00% Number of Flagged Pixels: 103936 12.99% Navigation Totals: Total Time: 0.4892 hours Total Track Length: 0.4756 km Average Speed: 0.9721 km/hr ( 0.5255 knots) Start of Data: Time: 06 05 1998 20:31:16.236000 JD156 Lon: -117.4998 Lat: 32.5877 Depth: 1217.3000 meters Speed: 0.0000 km/hr ( 0.0000 knots) Heading: 280.5000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 1217.3000 m End of Data: Time: 06 05 1998 21:00:37.453000 JD156 Lon: -117.4998 Lat: 32.5877 Depth: 1217.6000 meters Speed: 0.3999 km/hr ( 0.2162 knots) Heading: 279.8000 degrees Sonar Depth: 0.0000 m Sonar Altitude: 1217.6000 m Limits: Minimum Longitude: -117.5057 Maximum Longitude: -117.4941 Minimum Latitude: 32.5633 Maximum Latitude: 32.6137 Minimum Sonar Depth: 0.0000 Maximum Sonar Depth: 0.0000 Minimum Altitude: 123.1000 Maximum Altitude: 1223.1000 Minimum Depth: 1190.3000 Maximum Depth: 1249.9000 Minimum Amplitude: 40.7887 Maximum Amplitude: 81.5387 Minimum Sidescan: 1.0640 Maximum Sidescan: 13145.5491 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 0 0 0 0 0 1 1 CM: 0 0 0 0 0 0 0 1 1 1 CM: 0 0 0 0 0 0 1 1 1 0 CM: 0 0 0 0 0 1 1 1 0 0 CM: 1 0 0 0 1 1 1 0 0 0 CM: 0 0 0 0 1 1 0 0 0 0 CM: 0 0 0 1 1 0 0 0 0 0 CM: 0 1 1 1 0 0 0 0 0 0 CM: 1 1 1 0 0 0 0 0 0 0 CM: 1 1 0 0 0 0 0 0 0 0