The station airs a hot adult contemporary format branded as C97.7, and is owned by Rawlco Communications.
As of Summer 2023, CHUP is the #1 most-listened-to radio station in the Calgary market with Adults 35-54, according to a PPM data report released by Numeris.
After its approval in 2007,[2] the station began on-air testing on February 19, 2008 as CIGY-FM and officially launched on March 6, 2008 at 10:00am MST.
The first song played was Who Says You Can't Go Home by Jon Bon Jovi and Jennifer Nettles.
[3] On October 13, 2021, the station flipped back to hot AC, now branded as C97.7 but with a greater focus on top 40 music from the 1990s, 2000s and today.