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After the Testing of reception is done.
And more then 3 channels are received at this time of Testing and after the reception Testing is done.
(You said something about 45 channels).
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A antenna system amplifier can be installed.
Install a.
http://www.antennacraft.net.
10G201 preamplifier.
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And the Reception can also be Tested Without the antenna system amplifier.
When testing reception without the antenna system amplifier , All Parts of the amplifier must be disconnected and removed , Disconnect and remove the preamp unit , Disconnect and remove the power injector , Disconnect and remove the power supply.
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For 1 Tv connected use No splitter.
For 2 Tv's connected use a , Holland Electronics , HFS-2D , 2 way splitter.
For 3 Tv's connected use a , Holland Electronics , HFS-3D , 3 way splitter.
For 4 Tv's connected use a , Holland Electronics , HFS-4D , 4 way splitter.
BHuy the , HFS-2D , HFS-3D , HFS-4D , splitters at ,
http://www.hollandelectronics.com , or ,
http://www.amazon.com.
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Here is Clear and Simple Truth.
Antenna System Amplifiers are Not Used to Compensate For Or Ram Tv Signals
Through , Defective coax , Defective connectors , Defective connections ,
Defective devices , and other Defectives.