You can give one of these indoor antennas a try , the next step will be an antenna on the Roof.
http://forum.tvfool.com/showthread.php?t=233 , Read and understand this about Real and Virtual Digital Tv Channels
http://forum.tvfool.com/showthread.php?t=695 , Tv antenna pointing
http://www.kyes.com/antenna/pointing/pointing.html . Here is inflammation about Canada Digital tv transition
http://www.tvtechnology.com/article/105462 ,
http://www.crtc.gc.ca/eng/home-accueil.htm Analog tv transmitters are changing to Digital in Canada Now.