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Is best to not to be so close to the Tv transmitters and Radio transmitters.
Having a choice of distance , 30 to 40 miles , with little to no obstructions in directions of reception is good for reception.
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For your location.
Above the Peak of the Roof install a ,
http://www.antennacraft.net.
HBU11K antenna aimed at , 110 degree magnetic compass direction , a in between aim direction of the 2 main groups of Tv stations.
A antenna system amplifier is not required.
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As Always , trees and tree leaves , plants and plant leaves , have a Negative Effect on Broadcast Tv Reception and so do buildings and other obstructions including your own roof and building.
Some and not all Negative Effects are.
Absorbing and Blocking Reception.
Multi-Path Reflecting Tv Signals Bouncing All Around.
The Best Practice for Reliable Reception is to install the antenna at a location that has the least amount to no amount of obstructions in the directions of reception including your own roof and building.