Please do not get my recommendations mixed up with other recommendations.
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For the first antenna system I recommended do not use a preamp , the Tv transmissions are strong.
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For testing the second antenna systems direction , use the first antenna system as a test antenna.
The VHF low band channels are not as strong at NYC.
Try reception of the VHF low band channels as the first system is set up.
If reception is poor on the weaker channels with , 3 , 4 , Tv's connected.
Remove the CM3414 distribution amplifier.
Or if reception is poor on the weaker channels with 1 or 2 Tv's connected.
And connect the CPA-19 preamp in the system.
When the CPA-19 is used for NYC reception.
For one Tv connection use No splitter.
For 2 Tv's connected use a , HFS-2D , 2 way splitter.
For 3 Tv's connected use a , HFS-3D , 3 way splitter.
For 4 tv's connected use a , HFS-4D , 4 way splitter.
The HFS splitters pass power from the power supply/power injector in the house out to the actual preamp mounted close to the antenna.
http://www.hollandelectronics.com , also at ,
http://www.solidsignal.com.