Umm.. what he said. With another twist or two... Heretofore, it's been assumed the culprit to be main channel RF, because they're hearing main-channel audio...
You'll want to consider what *other* things may be going on ~~ * STL (studio-transmitter-link) channels ~ typically in the 950 range, but not always * RPU/IFB channels ~ which generally aren't wide-band, and have been known to run continuously. Laryn Lohman wrote: > > I haven't seen it mentioned yet, but yes, this sounds like a classic > > case of Intermood. > > I don't think it is classic intermod. Think about it. The deviation > of the broadcast station is 75 kc. > <snip>.