Here is my final recommendation. It is a no antenna rotor recommendation.
That will ' lock in ' the reception.
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Install the YA1713 with the CPA-19 preamp aimed at about 195 degree magnetic compass direction.
For 1 Tv connected 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.
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Install a Winegard HD7697P antenna with a CPA-19 preamp aimed at about 116 degree magnetic compass direction.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
For 1 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.
Buy the HFS splitters at ,
http://www.hollandelectronics.com , or ,
http://www.solidsignal.com.
The YA1713 / CPA-19 preamp and HD7687P / CPA-19 preamp are 2 Separate antenna systems and are not connected together on to one coax.
The antenna systems and coaxes are Separate all the way to the Tv/s location/s and the Separate antenna systems coaxes are connected to a Remote control A/B antenna switch at each Tv location.
http://www.mcmelectronics.com , #32-4425 , or ,
http://www.radioshack.com , #15-1968 .
A/B antenna switching is Channel Surfing Friendly , press the button on the hand held remote control , change antennas and keep on channel surfing.