Looking at your posts from a few years back... It looks like you opted for a Winegard HD7698P. What's the model # of your preamp?
Also, it looks like all your past TVFool report links have aged out of the server. As Jake V already mentions, a fresh TVFool report link would be very helpful.
http://forum.tvfool.com/showthread.php?t=14508
What sort of trees, buildings or other obstructions are you forced to aim through?