Dave S wrote in message ink.net...

When circumnavigating the Class B its not uncommon to be as close as a
mile to these towers and once or twice I've heard bleed-over on the VHF
radios of the aircraft.

My question is, given the limited "resistance" of some of the radio
components (and the ability to tolerate less than a watt input if I
paraphrased it correctly) I am wondering just how much energy the radio
system is being exposed to flying by the transmitting elements a mile
away laterally, and how prudent that is for the longevity of the
components. Lets use 50,000 watts if that is appropriate for the example.

Dave


Actually, many UHF stations will have effective radiated powers up to
5 million watts, if you are directly horizontal from their antenna.
One on which I work is directional, and I have flown a circle around
it and been able to hear the bleed over/sync buzz in my VHF radios
increase and decrease according to the pattern of the antenna. I also
had a handheld GPS permanently quit working once when I flew by that
antenna. Fortunately, Magellan fixed it under warranty.
--
Gene Seibel
http://pad39a.com/gene/broadcast.html
Because I fly, I envy no one.