Thanks very much for your input. Will take the preamp box out of the equation and retest tomorrow, but I don't have a signal strength meter on the only other HDTV in the house. (the 3rd TV is an old CRT with a converter box)
I have another HDTV i can try to borrow for testing purposes, will see if that one has a signal strength meter built into the menu somewhere.
Last edited by naga77777; 12-Jan-2014 at 11:16 PM.
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