A Teleview Recommendation.
Your location has receivable Digital Tv stations/channels in the VHF high band channels 7 thru 13 and UHF band channels 14 thru 51.
Examples:
KOMO-TV Real Digital UHF channel 38 , virtual number (4.1) ABC.
KCTS-DT Real Digital VHF channel 9 , virtual number (9.1) PBS.
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Install a Winegard HD7698P antenna that receives the VHF high band and UHF band.
Aimed at about 0 degree magnetic compass direction.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
As always , trees and tree leaves do a real fine job of , reflecting , reducing , blocking , Tv reception.
Buildings and other obstructions are also not good for Tv reception.
Mount the antenna where there is the least amount to no amount of close obstructions.
Here are some but not all antenna mounts ,
http://www.ronard.com/909911.html ,
http://www.ronard.com/34424560.html ,
http://www.ronard.com/ychim.html ,
http://www.ronard.com.
Buy the ronard antenna mounts at solidsignal by typing the word ronard in the solidsignal search box.
Here are some places to buy antennas and etc. ,
http://www.solidsignal.com ,
http://www.winegarddirect.com ,
http://www.amazon.com.
The Tv/s Must Channel Scan for the Digital Broadcast Tv Channels , sometimes named the 'Air Channels' or 'Antenna Channels' in the Tv setup menu because the Tv transmissions travel through the air from the transmitting antenna to the receiving antenna.
DO NOT channel scan for cable tv channels.