If the building is wood frame with wood or vinyl siding and no metal roof , then install a Terk HDTVi indoor antenna aimed at about 167 degree magnetic compass.
Here is how to aim indoor antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
If the building is , metal frame , concrete walls , concrete blocks , cinder blocks , brick walls , big rocks for walls , stucko Wire , metal siding , metal roof , heavy duty tile roof , solar panels , Tv reception will be reduced or blocked.
With indoor antenna.