Move the CS2 antenna to above the peak of the roof in such a manner that reception is not blocked by the roof and building in the directions of , North East , East , South , South West.
Aime the antenna at about 60 degree magnetic compass direction.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
Install <-> One 1 <-> Winegard , LNA-100 'Boost' , antenna system amplifier.
Install the LNA-100 , somewhere between the antenna and splitter if there is a splitter.
For 1 Tv connected use No splitter.
For 2 Tv's connected use a simple common 2 way splitter.
For 3 Tv's connected use a simple common 3 way splitter.
Here are some places to buy.
http://www.saveandreplay.com.
http://www.trentondistributors.com.
http://www.amazon.ca.
http://www.amazon.com.
http://www.winegarddirect.com.
http://www.solidsignal.com.
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If the CS2 antenna has no antenna mount.
Then use a Winegard , DS3000 , J pole type antenna mount.