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You can Test reception with a ,
www.channelmasterstore.com ,
CM4228HD antenna aimed at about 187 degree magnetic compass direction.
Use a Real and Actual magnetic compass to aim antenna , do not trust a cell phone or tablet or etc. compass.
Test reception With Out a antenna system amplifier.
And Test reception With a , CM7778 preamplifier.
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.
Buy the , HFS-2D and HFS-3D , splitters at ,
www.hollandelectronics.com , or ,
www.amazon.com