Here is how to aim indoor antennas ,
http://www.kyes.com/antenna/pointing/pointing.html. Aim the indoor antenna at about 155 degree magnetic compass. Do not bury the antenna deep inside the house , have the antenna to the outside wall or better yet a window. Outside walls of wood construction with wood or plastic siding is the best. . Siding that is any type or kind of metal such as but not limited to metal siding or stucko with stucko Wire will reduce or block tv transmissions. Concrete walls will reduce and block tv reception. Brick siding from ground to roof will reduce or block reception. Metal backed insulation will reduce or block reception. A metal roof will reduce or block reception. Solar panels will reduce or block reception.