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As a Test to Prove Reception.
Install the Antennas Direct C5 antenna above the chimney.
Aim the Antennas Direct C5 antenna at about 90 degree magnetic compass direction.
Here is how to aim antennas.
http://www.kyes.com/antenna/pointing/pointing.html.
Use a Real and Actual magnetic compass to aim antenna , do not trust a , cell phone , tablet and etc. compass.
Most Digital Tv's have a Signal Strength Meter and some Digital Tv's also have a Signal Quality Meter.
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Connect a NEW Continues Length of Coax to the C5 antenna and run the NEW Continues Length of Coax through a open door or window Direct to 1 Tv.
No preamp.
No preamp power supply/power injector.
No couplers.
No splitters.
No etc. .
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The Tv Must Channel Scan for the , OTA=Over The Air , ATSC Digital Broadcast Tv Stations/Channels , often named the ~ Antenna Channels ~ ATSC Channels ~ DTV Channels ~ Air Channels ~ in the Tv Setup Menu because the Tv transmissions travel through the Air from transmitting antenna to the receiving antenna.
DO NOT Channel Scan for Cable Tv Channels.
A QAM tuner is for cable Tv channels.