I suggest a Winegard HD7084P antenna mounted on the roof with a Strong and Sturdy mount such as a , tripod mount , peak of the roof eave mount or chimney mount. Think in terms of Strong and Sturdy for a antenna mount , not what can I get by with. Point Tv antenna at about 178 magnetic compass , then adj. the direction of Tv antenna for strongest reception of the weaker channels to the south/south east. Here are places to buy Tv antennas and etc. .
http://solidsignal.com ,
http://amazon.com ,
http://3starinc.com ,
http://starkelectronic.com . . . Read and understand this about , Real Digital Tv Channels , Virtual Digital Tv Channels , Analog Tv Channels. .
http://forum.tvfool.com/showthread.php?t=695 . Try a simple 2 way splitter with No amplifier at first to see if reception to the 2 Tv's Ok. I suggest new RG-6 coax from the antenna to the simple 2 way splitter. If a amplifier is needed then use a Winegard HDP269 preamp. Do not use the other amplifier that you have.