The Current Broadcast Tv stations channels in the , USA , Canada, Mexico , are.
VHF low Band Channels 2 thru 6.
VHF high band channels 7 thru 13.
UHF band channels 14 thru 51.
Your location has receivable Broadcast Tv stations/channels in All 3 Tv bands.
Install a Antenna Craft HD1200 All channel antenna.
Aim the HD1200 All channel antenna at about 314 degree magnetic compass direction.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
Install the HD1200 All channel antenna in such a manner that the roof and house are not blocking reception to the , north west.
As always , trees and tree leaves , plants and plant leaves , have a Negative effect on Broadcast Tv reception and so do buildings including your own roof and house and other obstructions.
The Best Practice is to install the HD1200 antenna at a location that has the least amount to no amount of obstructions in the directions of reception including your own roof and house.
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Here are some places to buy antennas and etc. .
http://www.solidsignal.com.
http://www.antennacraft.net.
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Even if all outside coax and connectors and connections , Look Ok.
Replace ALL outside coax and connections with New.
To keep Weather/Water out of , connectors , connections , coax.
Use the coax that has the Compression type connectors on the ends of the coax , not the old crimp type connectors.
Replace All other outside connectors with New.
Remove and discard Rubber Weather Boots , the boots take in water and hold the water inside the boots , this is not good for connections.
To make Double Sure that Weater/Water does not get into outside coax , connectors , connections.
Wrap with
http://www.coaxseal.com.
Also wrap all of the matching transformer that connects the antenna to the coax with coaxseal.
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Digital Tv tuners can develop - Digital Glitches - that are not cleared out with simple channel scans.
Do Double Rescan ,
http://www.dtv.gov/rescan.html.