Unplugging my RG is the only thing that works here, which makes me think it's RG-related. SomeJoe7777 (one of our resident techies) has recommended I get it replaced. IF I go that route, I will report back.
I haven't called it in because I'm seeing others with the same issue. 
Award for Community Excellence (A.C.E.)
achiever for 2012*
*The views and opinions expressed on this forum are purely my own. Any product claim, statistic, quote, or other representation about a product or service should be verified with the manufacturer, provider, or party.