WWCK-FM (105.5 FM, "CK105.5") is a radio station in Flint, Michigan, broadcasting an adult-oriented Top 40 (CHR) format. The station is owned by Cumulus Media and has programmed its current format since 1989. In recent years, WWCK's ratings have dropped somewhat due to competition from crosstown Rhythmic CHR outlet WRCL and due to playlist tweaks to make the station more of an Adult CHR which alienated younger listeners. Some listeners also feel the overall quality of the station has declined since Cumulus Media took over ownership. Nevertheless, CK105.5 is typically still a top ten ratings performer in Flint.
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