<img border="0" title="" alt="[Big Grin]" src="biggrin.gif" /> Heard it only this morning, working a BE58 going from there to here, (names not published to protect the innocent), every time the pilot transmitted there was a background howl.. ."Gxxxx, you appear to have some feedback on your transmissions". ."Approach Gxx, that's not feedback, it's the dog telling me he wants to go out.., things are getting a bit ripe in here.."