The Clear Stream 4 is a highly directional antenna in the forward direction with almost no reception at the sides of the antenna and little reception at the back because of the reflector screen.
With the Clear stream 4 mounted Above The Roof in a manner that roof is not blocking reception to the north west at about 316 degree magnetic compass direction.
Also close trees and tree leaves and other buildings and obstructions will reduce or block reception.
Locate antenna at a place where there is the least amount of obstructions.
Here are some above the roof antenna mounts ,
http://www.ronard.com/909911.html ,
http://www.ronard.com/34424560.html ,
http://www.ronard.com/ychim.com ,
http://www.ronard.com.
Buy the ronard antenna mounts at
http://www.solidsignal.com , by typing the word ronard in the solidsignal search box.
Aim the Clear Stream 4 at about 316 degree magnetic compass direction.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
Rescan for Digital Broadcast Tv Channels.
For this test only have 1 Tv connected no splitters.
Receiving lots of Tv channels now??
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A long range high gain antenna is required for reception of the Tv stations/channels to the north west.
Install a Winegard HD7698P antenna with a Channel Master CM7778 preamp above the roof aimed at about 316 degree magnetic compass direction.
Only have one Tv connected to begin with no splitters.
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Here are some places to buy antennas and etc. ,
http://www.solidsignal.com ,
http://www.winegarddirect.com ,
http://www.channelmasterstore.com ,
http://www.amazon.com.