Test yourself: 5 hard theory questions, free Airspace, weather, regs and aerodynamics, FAA-style — instant score, every answer explained. No signup.
Free testhardradio-propagation
Super-refraction of radio waves occurs when:
A
There is no wind
B
Temperature decreases rapidly with altitude
C
Humidity is very low
D
Temperature increases with altitude (temperature inversion)
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See where you stand: 5 hard questions, instant score, every answer explained.