This situation cuts to the heart of all fliers - we like to think that our "Home Field" is 'SAFE' and that MAAC can save us or control the situation... sadly this is not the case... ultimately MAAC gives us insurance and guide lines that are valuable IF everyone follows them.
However; ANYONE can buy a RC transmitter... and turn it on where ever they want - there is no law to stop them, even if there were - how would you control /monitor it?? Goodness knows there are more important things for the Police to be watching for... [&o]
IF a couple of 'Rogue' fliers wander into YOUR neighbourhood - ultimately, there is very little that you can do about it. [
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Polite conversation and a gentleman's agreement are both as far as you can go and the best solution.
BUT if one party does not wish to play nice - YOU have a PROBLEM![:'(]