KYBG-FM was the call-sign identity used on the 92.1 FM facility between KZRZ and KNRX. The FCC’s call-sign chronology places KYBG on the Castle Rock-licensed signal from 1989 to 1995. This record preserves the call-sign chapter; the surviving sources reviewed here do not establish a complete format-by-format program history for these years.
Station information
- Frequency: 92.1 MHz.
- Call-sign period: 1989–1995.
- Preceding identity: KZRZ-FM.
- Following identity: KNRX-FM.
References
- FCC call-sign history for Facility ID 10056 (KJMN) — primary licensing chronology for the 92.1 FM facility.
Catalog note: These call-sign records describe successive identities of the same Castle Rock-licensed 92.1 FM facility serving the Denver market. They do not represent separate frequencies or transmitters.
FROM THE TIMELINE
Moments in KYBG-FM History
92.1 becomes KYBG
In 1989, Denver-area 92.1 FM adopted the KYBG call letters. The station carried country and later talk programming before another major format change in 1995.
KYBG flips to modern rock as KNRX 92-X
On March 29, 1995, KYBG 92.1 flipped to modern rock and became KNRX, 92-X. The alternative format lasted less than a year before the station's dramatic 1996 switch to JAM'N 92.1.
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