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The reception signal strengths are --->Strong Signal Signal Strengths at your reception location and are LOS=LINE Of Sight.
This means that reception will be easy at your reception location.
Even with a antenna that is not the correct antenna.
Some thing is not correct with your wiring and connections and couplers and etc.
---> To Prove reception.<---
Connect a NEW Continues length of coax to the DB2e antenna and run the NEW Continues length of coax through a open door or window direct to 1 Tv.
No splitters , No Couplers , No amplifiers , No etc. .
Aim the DB2e antenna at about 310 degree.
Here is how to aim antennas ,
www.kyes.com/antenna/pointing/pointing.html
Use a Real and Actual magnetic compass to aim antenna.
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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 ~ DTV Channels ~ ATSC Channels ~ Air Channels~ because the Tv transmissions travel through the Air from the transmitting antenna to the receiving antenna.
Some digital Tv's will Automatic channel scan for cable the channels.
DO NOT channel scan for cable Tv channels.
Go int the Tv Setup Memu and select ~ Antenna Channels ~ DTV Channels ~ ATSC Channels ~ Air Channels.
Scan for the ATSC-Digital Broadcast Tv Stations/Chsnnels.