It is best to install a antenna at a location that has the least amount to no amount of obstructions of any type or kind in the directions of reception , at your location the main direction of reception is to the , East.
And also to the , north east , north , north west , west , south west.
Install a antenna in such a manner that the directions of reception are not blocked by the roof and house.
It is also best to install the antenna -->Away From Trees<-- that are in the direction or directions of reception.
It is also best to install the antenna at a location that is Higher Then and Away From Other Close Tall Surrounding Houses.
There is not much you can do about the big buildings to the , east , west , south , except go higher.
So get the antenna Away From close in obstructions.
The more that the antenna is Up In The Clear the better the reception can be.
Aim the antenna that you have at about 90 degree magnetic compass direction.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
The Digital Broadcast Tv transmissions and receptions is Very Strong Signal Strengths at your location.
DO NOT use the distribution amplifier that came with the antenna.
Use a simple common 4 way splitter.