Another thought here: if you want to use the windmill tower to mount an antenna, the XG-91 would most likely have to go at the top of the tower because of it's construction and length, however, the smaller XG-43 uses an end-mounting that would allow you to mount the antenna further down the mast, making installation a bit easier. Even if you have several hundred feet of coax cable running to the house, the Channel Master preamplifier will compensate for the line losses associated with the long cable run, and you should have a good TV picture. As to how to properly install the the Channel Master Titan 7777 preamplifier, have a look at the demonstration video that I linked to you in the post above: it will answer most of your questions.
http://www.hdtvantennalabs.com/forum...eamp-t853.html