Owned by iHeartMedia, the station simulcasts an adult contemporary music format branded as Star 97.1 from an HD Radio subchannel of KOLT-FM.

The station formerly operated on the full-power signal KYWY; in December 2017, the intellectual property of sister station KPAW was moved to its signal to facilitate the construction of a KBPI trimulcast, and KYWY's format and branding moved to KOLT-HD2 and K246CI, taking its branding from the latter.

That station, which had been hot adult contemporary station "92.9 The Boss" under the call sign KOLT-FM, was acquired by iHeartMedia in January 2016, after its previous owner, Tracy Broadcasting Company, defaulted on a loan and was repossessed by the Valley Bank & Trust; the KOLT-FM calls were transferred to KOLZ.

[3][4] In December 2017, iHeartMedia re-aligned its cluster in the Cheyenne-Fort Collins-Greeley area in order to form a KBPI trimulcast on the 107.9 frequency in Fort Collins, Denver, and Colorado Springs.

The intellectual unit and call sign of 107.9 KPAW was moved to 92.9, replacing the "Star" format (which had shifted to all-Christmas music for the holiday season).