For Reliable Reception of , Many , many , many , many , many , Digital Broadcast Tv stations/channels will be received at your location.
Above the Peak of the Roof in such a manner that reception is not blocked by the roof and house in the directions of , south , south east , north west.
Install a Winegard HD7080P antenna aimed at about 150 degree magnetic compass direction.
The HD7080P antenna is --> Heavy Duty<-- long lasting outdoor antenna.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.
Install a Channel Master CM3410 distribution amplifier.
Install a 6 way splitter. Leviton 47690-6.
____________________
Here are some strong and sturdy roof top antenna mounts.
http://www.ronard.com/909911.html , use the 5 foot tripod antenna mount.
http://www.ronard.com/34424560.html , use the #4560 eave antenna mount.
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 some places to buy antennas and etc..
http://www.solidsignal.com.
http://www.amazon.com.
http://www.winegarddirect.com.
http://www.channelmasterstore.com.
___________________
As always , trees and tree leaves do a good job of , multipath/reflecting , absorbing , blocking , OTA=Over The Air , Digital Broadcast Tv Reception and so do buildings and other obstructions including your own roof and house.
It is best to install the HD7080P antenna at a location that has the least amount to no amount of obstructions of any type or kind in the directions of reception including your own roof and house.
The Tv's Must Channel Scan for the Digital Broadcast Tv stations/channels , often 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.
Some Digital Tv's will automatic channel scan for cable tv channels.
DO NOT channel scan for cable tv channels.
Go into the Tv Setup Menu and select , 'Air Channels' / 'Antenna Channels'.
__________________________________________________________________
Some satellite systems will except a Tv antenna connected to the system and some will not.
If discontinuing satellite service it is best to Remove All satellite system hardware , multiswithces , diplexers , splitters , etc. .
Yes the coax cables that are on/in your house can be used for the antenna system.