The following is a Teleview recommendation for reception of the Digital broadcast tv channels.
The ANT751 is designed to receive channels 7 thru 51. And as such is Not the antenna for your reception situation.
You location has receivable Digital Tv stations/channels in all 3 Tv bands of ,
VHF low band channels , 2 thru 6.
VHF high band channels , 7 thru 13.
UHF band channels 14 thru 51.
Install a All channel antenna. The HD7000R is a All Channel antenna and as such is designed to receive all the channels , 2 thru 51.
Above the roof install a Winegard HD7000R antenna aimed at about 140 degree magnetic compass direction.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
For 1 Tv connected use no splitter.
For 2 Tv's connected use a common simple 2 way splitter.
For 3 Tv's connected use a common simple 3 way splitter.
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.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 buy antennas and etc. ,
http://www.solidsignal.com ,
http://www.amazon.com ,
http://www.winegarddirect.com.
As always , trees and tree leaves do a real fine job of reducing or blocking Tv reception and so do buildings and other obstructions.
It is best to install the HD7000R antenna at a location that has the least amount to no amount of obstructions of any type or kind.
The Tv's Must channel scan for the Digital Broadcast Tv Channels , sometimes named the 'Air Channels' or 'Antenna Channels' in the Tv setup menu because the Tv transmissions travel through the air from the transmitting antenna to the receiving antenna.
DO NOT channel scan for cable tv channels.