I suggest a simple indoor antenna aimed at about 347 degree magnetic compass. Here is how to aim indoor antennas ,
http://www.kyes.com/antenna/pointing/pointing.html. Here are some indoor antennas.
http://forum.tvfool.com/showthread.php?t=380. If building construction is wood frame with wood or vinyl siding then reception should be Ok. If the building has , stucko wire , metal siding , metal backed insulation , metal roof , concrete , bricks from ground to roof , solar panels , the reception will be reduced or blocked. Also the digital Tv needs to scan for Digital Broadcast Tv Channels , Not digital cable channels , Not analog cable channels. You should receive 12 and more Digital Broadcast Tv Channels with a indoor Tv antenna.