Microwave Hazard Measurements Near Various Aircraft Radars
Richard A. Tell, John C. Nelson · 1974
Aircraft radar creates radiation exposure 100 times higher than current safety guidelines for airport ground crew.
Plain English Summary
This 1974 study measured radar radiation exposure levels around commercial aircraft when on the ground. Researchers found that people standing 3 to 18 feet from aircraft radar antennas could be exposed to power densities of 10 mW/cm², while cockpit exposure remained below 0.2 mW/cm². The study identified potential radiation hazards for ground crew and passengers during aircraft operations.
Why This Matters
This early research reveals a significant occupational exposure concern that remains relevant today. The measured levels of 10 mW/cm² near aircraft radar units are 100 times higher than current FCC guidelines for general public exposure (0.1 mW/cm²). What makes this particularly concerning is that these exposures occur in routine airport operations, affecting ground crew, maintenance workers, and potentially passengers during boarding. The science demonstrates that high-power radar systems create intense localized radiation fields that far exceed what we encounter from consumer devices. While cockpit exposure stayed relatively low, the reality is that airport workers face repeated exposure to these elevated levels throughout their shifts. This study highlights how occupational EMF exposure often receives less attention than consumer device exposure, despite potentially higher risk levels.
Exposure Information
Specific exposure levels were not quantified in this study.
Show BibTeX
@article{microwave_hazard_measurements_near_various_aircraft_radars_g5545,
author = {Richard A. Tell and John C. Nelson},
title = {Microwave Hazard Measurements Near Various Aircraft Radars},
year = {1974},
}