I think that the answer to this post is going to be really interesting - if we get one:

http://www.rcuniverse.com/forum/fb.asp?m=5892122

I can see how Matt's situation took place (a full takeover by another transmitter), but I do not know how a partial take over or an interference induced glitch could occur on a PCM system... Not to say that it couldn't occur, I'm just very interested in the details of how...

Bob