For the NW, you lose service around Bearspaw Gas station on 1A. But it just switches to edge (Wind Away Network) with full bars same as Rogers towers.
Royal Oak - Full Wind Home
Cross Iron I think is the rough area you lose signal and move to Wind Away going North.
Can almost make it to Chestemere and have full bars, going East. I'll look again on Friday but I'm pretty sure that's the case. I didn't have service in the hockey locker room. Not sure when it cut out exactly.