I install the CS2v Complete antenna Up High Above The Peak of the Roof in such a manner that the roof and house do not block reception in the directions of , south west , west , north west , north-north east , south east.
As always , trees and tree leaves do a good job of , mulipath/reflecting , absorbing , blocking , Digital Broadcast Tv reception and so do buildings and other obstructions including for own roof and house.
It is best to install the antenna Up High at a location that has the , least amount to no amount of obstructions in the directions of reception including your own roof and house.
Aim the CS2v Complete antenna at about 260 degree magnetic compass direction.
Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html.
The reception loops are the front of the CS2v Complete antenna.
Aim the front of the CS2v antenna at about 260 degree magnetic compass direction.
Digital Broadcast Tv tuners can develop - Digital Glitches - that are not cleared out with a simple channel scan.
Do a Double rescan.
http://www.dtv.gov/rescan.html.