ORIGINAL: KidEpoxy
Frank & PKH are on the mark.
The "existing" bit is just AMA rules to restrict AMA members, without any bearing whatsoever to restrict nonmembers. Hoss is right on the mark that you have acknoledged the existance of freq conflic and so you are now bound by AMA rules to not fly while the nonmembers have no such restriction.
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By posting that you know about the conflict, you probably just opened a world of liability for your club. The club has to follow AMA rules on freq conflicts, and if the nonmembers want to gripe to your AMA District Freq Dude guess who the ama district guy will shutdown till a freq sharing plan is signed by both parties.
Right again on both counts