Like SPECT (single photon emission tomography), PET also can product three dimensional images, and is usually used to compliment rather than replace the information obtained from CT or MRI scans.
The typical salary for a NAV Canada Air Traffic Controller ranges from $70,941-$120,611, with an average salary of $97,837. Salaries estimates based on 4 salary submitted anonymously to Glassdoor by NAV Canada Air Traffic Controller employees.
Source:*U.S. Bureau of Labor Statistics. According to the U.S. Bureau of Labor Statistics (BLS), the average annual salary of an air traffic controller in May 2013 was $118,650. The average annual salary of an air traffic controller employed by the federal government was $122,490 in the same year (ww.bls.gov).