Thanks for the photos and another test without the preamp, giving you just WMUR.
It's the TREES!
The signals can't get through the trees. See attachment 1.
And most of them look like evergreens, so they are in the way all year, unlike deciduous that lose their leaves in the fall.
Heed ADTech's advice about trees:
http://forum.tvfool.com/showpost.php...90&postcount=3
http://forum.tvfool.com/showpost.php...26&postcount=2
I see a lot of trees in your area. See attachment 2.
I think your tree problem is worse than Kevin's:
