To get it right the first time I recommend a Winegard HD7082P all channel antenna and these are the reasons why. The antenna has the 'antenna reception gain' to receive the channels down to KUVS 18. It is a all channel antenna and will receive KCSO-LD 3 , KCSO is showing the digital channels to be 3-1 Telemundo and 3-2 ME TV
http://www.metvnetwork.com. . I suggest a Strong and Sturdy roof mount such as , tripod mount , chimney mount , peak of the roof eave mount. Here is how to point tv antennas , point the Tv antenna at about 175 degree magnetic compass ,
http://www.kyes.com/antenna/pointing/pointing.html . Here are places to buy Tv antennas and etc.. ,
http://www.amazon.com ,
http://www.solidsignal.com ,
http://www.3starinc.com ,
http://www.starkelectronic.com