A large , Very Large group of tv stations are to the west. You will receive all of the channels you will like to receive and more Alot More. A simple NON Amplified indoor antenna such as a Channel Master CM4010 or Terk HDTVi at each tv location , aimed at 292 degree magnetic compass will receive way to many channels. Here is how to aim indoor antennas
http://www.kyes.com/antenna/pointing/pointing.html. The tv must be set to scan for the Broadcast Digital Tv Channels , sometimes called the "Air" channels because the tv transmissions travel through the air from the transmitting antenna to the receiving antenna. If the building is wood with wood or plastic siding then that is the best for indoor tv antenna reception. Other types of construction , metal , stucko Wire , concrete walls , brick or rock walls , metal roof , solar panels , metal backed insulation , will reduce or block reception.