Thank you John for your assistance. I am including here the two reports you were asking.
With a 30 feet antenna:
http://www.tvfool.com/?option=com_wr...9e74d7a651315d
WIth a 50 feet one:
http://www.tvfool.com/?option=com_wr...9e7437c9302e4d
We are planning to hook up two TVs for now.
Thanks