Based on the 25 foot report.
This will get reliable reception of.
WCIQ Real channel 7 , virtual number (7.1 ) PBS
WPXA-DT Real channel 51 , virtual number (14.1) ION Tv
WSB-TV Real channel 14 , virtual number ( ) ABC and Me-TV
Above the roof install a antennas direct DB4e aimed at about 50 degree magnetic compass reading.
Above the roof install a Winegard YA1713 antenna aimed at about 220 degree magnetic compass reading.
Combine the two antennas with a UVSJ = UHF/VHF antennas Separator/Joiner , type the letters , uvsj , in the
http://www.solidsignal.com , search box.
Connect a Winegard AP8275 preamp to the UVSJ.
The output of the AP8275 preamplifier will go to 1 Tv with no splitter.
If more then 1 Tv is connected the use a ,
HFS-2D , 2 way splitter for 2 Tv's.
HFS-3D , 3 way splitter for 3 Tv's.
HFS-4D , 4 way splitter for 4 Tv's connected.
The HFS splitters pas power from the power supply/power injector in the house to the actual preamplifier that is mounted close to the antenna.
Here are some above roof antenna mounts ,
http://www.ronard.com/909911.html ,
http://www.ronard.com/34424560.html ,
http://www.ronard.com/ychim.html ,
http://www.ronard.com.
Buy the ronard antenna mounts at solidsignal by typing the word ronard in the solidsignal search box.
Here are some places to but antennas and etc. ,
http://www.solidsignal.com ,
http://www.winegarddirect.com ,
http://www.amazon.com.