Good evening Dwayne,

Being as I live in Southern Alberta, just outside Medicine Hat to be exact, I can address the cell coverage in the South Country a bit. From my experience, you will have pretty good coverage if you are with a major carrier who pings off TELUS or Bell towers. If you are with a smaller company or one that specializes in urban coverage you could find it spotty outside most cities, unless you are on the Calgary/Edmonton corridor for example. As well, if you are hunting the regions south of Elkwater you will lose most cell signals.
A few years ago I was north of the Hat on the 41 maybe 45 mins out of town when I spotted a number of coyotes in a field. Pulled over by a gate to get the Riders number, tried to call, no signal. My son whipped out his TELUS phone and bingo, in we went. My phone at the time was with Rogers, changed over to TELUS that week and have had service in parts of Alberta that even they tell me I shouldn't. FWIW
Jeff