The signal strengths are Very Strong Signal Strengths and Very Close at 5 and 6 miles.
Because the signal strengths are strong and close.
Install a simple antenna above the roof in such a manner that the roof and house are not impeding and blocking reception in the direction of , East.
Install a Antenna Craft , AC9 antenna aimed at about 100 degree magnetic compass direction , here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
A winegard , DS3000 J pole type antenna mount makes a good antenna mount for the AC9 antenna.
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-->No antenna system amplifier is required.<--
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For 1 Tv connected use No splitter.
For 2 Tv's connected use a simple common 2 way splitter.
For 3 Tv's connected use a simple common 3 way splitter.
For 4 Tv's connected use a simple common 4 way splitter.
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Here are some places to buy the AC9 antenna , splitters , coax , and etc. .
http://www.solidsignal.com.
http://www.amazon.com.
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Remove and discard , rubber weather boots , rubber weather boots take in and hold water inside the boot , this is not good for connections.
To keep Weather and Water out of outside connections and coax.
Use coax that has the Compression type connectors on the ends of the coax , not the old crimp type connectors.
To make double sure that weather and water does not get into outside connections , wrap with
http://www.coaxseal.com.
To keep weather and water out of the matching transformer (balun) that connects the antenna to the coax , Completely wrap with coax seal.
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As always , trees and tree leaves , plants and plant leaves , have a Negative effect on broadcast Tv reception and so do buildings and other obstructions including your own roof and house and other obstructions.
The Best Practice is to install a antenna at a location that has the least amount to no amount of obstructions of any type or kind in the directions of reception including your own roof and house.
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The Tv/s Must Channel Scan for the , OTA=Over The Air , Digital Broadcast Tv stations/channels , often named the 'Air Channel' or '[ Antenna Channels' in the Tv Setup Menu because the Tv transmissions travel through the Air from the transmitting antenna to the receiving antenna.
Sime digital tv's will Automatic channel scan for cable tv channels.
DO NOT channel scan for cable tv channels.
Go into the Tv Setup Menu and select 'Air Channels' ~ 'Antenna Channels'.
Scan for channels.
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Digital Tv tuners can develop - Digital Glitches - that are not cleared out with simple channel scans.
A Double Rescan can help ,
http://www.dtv.gov/resacn.html.
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New Digital Tv stations and digital sub channels can begin transmitting at any time with no notice.
Scanning for channels from time to time can get new channels.