If the town home is not wrapped with any type or kind of metal such as but not limited to metal siding or stucko with stucko Wire. And the town home does not have a metal roof. And the walls are not made out of poured concrete. And the town home is somewhat free and clear and not blocked in by Big buildings to the west , south west and south. Then you will receive most of the Digital Channels in green starting at the top the strongest ones first. With a simple indoor antenna like one of these
http://forum.tvfool.com/showthread.php?t=233 . Canada Tv Stations ARE transmitting Digital NOW , like the USA and Mexico and the rest of the world the transistion is happening Now. Read and understand this about Real and Virtual Digital Tv channels. The same thing is happening in Canada with Real and Virtual Digital Tv Channels .
http://forum.tvfool.com/showthread.php?t=695 . Here is information about how to point Tv antennas ,
http://www.kyes.com/antenna/pointing/pointing.html . Here is information about Canada Tv transition
http://www.tvtechnology.com/article/105462 . Canada is transmitting digital now , digital is easyer to receive then analog and has crystal clear pictures , you will need to have a digital tv or a digital to analog converter box. Higher is almost always better with tv antennas . If the town home has a second story , a tv antenna can be put up there and run a coax to the down stairs tv.