Tvfool is accurate for your reception. A rotor is not required.
A simple reception situation. A ANT751 or ANT751R antenna mounted above the roof and aimed at about 338 degree magnetic compass will receive all the digital Tv stations/channels that are in the green and yellow zones of the digital Tv listing for the Current Plus Pending Applications Included of the tvfool radar plot.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html .
Here are some 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 or buy from ronard.
Here are places to by antennas and etc. ,
http://www.solidsignal.com ,
http://www.amazon.com.
How many Tv's are/will be connected??