hi I am based in Montreal I use block 19-20-22-26 A-1-B-1 without problem.
there is a frequency calculation application manufactured here and works very well
http://eazyrf.com/default.html
here is a screenshot of the TV Chanel
for the equipment here we have Transmission Squelch who are specialized in wireless and there are Wisycom depositary
http://www.transmissionsquelch.ca/Transmission_Squelch/Accueil.html