I have 2 tuners for (OTA) HD , samsung SIR-T451, and a HDhomerun. My T.V. does not have a HD receiver built in. The problem I am having is neither of these tuners will pick up a local channel OTA. I get excellent reception directly to my T.V. I am using a medium directional antenna, mounted aprox 15 ft up. I am trying to pickup WCIA and WCIA-DT. I live aprox. 13-14 miles away from their tower. Any sugesstions would be appreciated.