The following is Teleview recommendation for broadcast Tv reception.
Connect the coax to the Tv , By pass windows media player and any other devices that are in the loop.
It is best to not have , this device or that device or some other device that can cause trouble in the antenna set up delivery of the signal to the Tv.
http://www.3starinc.com , has push up antenna masts that use guy wires.
Here are some , free standing , no guy wires , light weight , aluminum , lay over towers , do all antenna mounting antenna adjustments standing on the ground.
http://www.palcoelectronics.com/pe300.aspx