Advertisements I have two HR 10 250's with an attic antenna that suddenly no longer provide a strong enough signal to watch OTA HD locals. I kind of doubt that all 6 stations suddenly have the same problem. Any ideas what I can check that I may have forgotten? It has been a long time not havng to mess with these issues. All the coax is visually connected except for the attic. (That is a real chore to get to and I doubt it fell off.) Can an antenna amplifier be checked easily? I have one at the distribution panel. Thanks for any help.