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Thread Starter 
Have uhf, vhf antenna and satellite-live 20 miles sf-on hill, very good local tv reception. cedia auth setup. Have lost local hd-tv three times in one month, not intermittent from weather but requiring "reaiming"of antenna. Most recently after very windy storm. Antenna bolted to chimney, don't think it has moved. ?faulty antenna, faulty installation,need some type of amplifier??