CKVR-DT 10 is a strong digital station and will be received through the back side of each antenna and thats ok. There will be some over lapping of the tv stations receptions with the antennas and thats ok. The tv stations are spread too far apart to receive with one antenna with out a rotor , so that is why 2 antennas. Here is how to aim antennas ,
http://www.kyes.com/antenna/pointing/pointing.html. Here are more places to buy antennas and etc. in Canada ,
http://www.saveandreplay.com ,
http://www.trentondistributors.com