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1 vote
1 answer
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What protections does the designation for aeronautical spectrum provide?

Stated differently: As an aviator, what benefits do I receive from the radio frequencies used by my avionics and ATC being designated "aeronautical protected spectrum" as opposed to just ...
3 votes
1 answer
341 views

What is the tolerance of SSR against signal frequency shifts?

I know that the Secondary surveillance radar (SSR) interrogates at 1030MHz, and the reply is at 1090MHz. What happens if the radio signal sent to the plane is less than/more than 1030MHz? Also what ...