Aim the antenna at about 163 degree magnetic compass. Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html. Yes Both Tv's Have the Built in ATSC Tuners to receive OTA , Over The Air Broadcast television. In the menu , find and set to scan for the Digital Broadcast Tv Channels , sometimes called the "Air" channels because the signals travel through the air. Do not scan for cable analog channels , Do not scan for cable digital channels.