I think you may have answered your own question for now. That little 751 it's probably not large enough especially in your environment. And having the antenna inside the attic or inside the house effectively cuts the signal strength in half. Hopefully some of the experts will come here and help you with the right type of antenna. But you will definitely need to go on top of your roof probably as high as possible.
I'm no expert. I come here for help. My gut feeling is an 8Bay type antenna angled slightly upward to catch a signal from above the Treeline.
But you say you cannot go on the roof?
Last edited by bobsgarage; 1-Apr-2019 at 11:07 AM.
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