Ok.
At about the 25 foot antenna height above ground , for reception of the Digital Broadcast Tv stations/channels , of the Current Plus Pending Applications Included channel list , in the Yellow reception zone of the channel list , down to and including KTXD-TV REAL UHF Digital channel 46 , virtual number (47.1)
http://metvnetwork.com.
Install a Winegard HD7082P antenna with a Antennas Direct CPA-19 preamp. Aimed at about 227 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 , HFS-2D , 2 way splitter.
For 3 Tv's connected use a , HFS-3D , 3 way splitter.
Buy the HFS splitters at ,
http://www.hollandelectronics.com , or ,
http://www.solidsignal.com.
_____________________________________________________________
At 40 feet above ground antenna height , Many of the Digital Tv stations move out of the Yellow reception zone in to the Green reception zone in the channel list.
To receive more Digital Tv stations/channels down the channel to ,
K31GL-D REAL UHF Digital channel 31 , virtual number (31.1) ,
http://www.hottvchannel.com and
www.myretrotv.com.
KATA-CD REAL UHF Digital channel 50 , virtual number (x) ,
http://amgtv.tv.
Install a Winegard HD7082P antenna. No preamp.
For 1 Tv connection use no preamp and no splitter.
For 2 Tv's connected use a Channel Master CM3412 distribution amplifier.
For 3 or 4 Tv's connected use a Channel Master CM3414 distribution amplifier.
_________________________________
Here are some above the roof antenna mounts ,
http://www.ronard.com/909911.html ,
http://www.ronard.com/Tripods%200703/4712.html ,
http://www.ronard.com/34424560.html ,
http://www.ronard.com/ychim.html ,
http://www.ronard.com.
Buy the ronard antenna mounts at solidsignal buy typing the word ronard in the solidsignal search box.
Here is a , free standing , no guy wires , lay over tower , do all antenna installation and adjustments standing on the ground.
http://www.palcoelectronics.com/pe300.aspx
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 real fine job of reducing or blocking reception and so do buildings and other obstructions.
It is best to install the antenna at a location that has the least amount to no amount of obstructions of any type or kind in the direction of reception.
The Tv/s Must Channel Scan for the 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.