KOSG (103.9 FM) is a radio station licensed to Pawhuska, Oklahoma, United States.
The station is currently owned by South Central Oklahoma Christian Broadcasting, Inc.[2] The allotment that would become KOSG 103.9 started at 104.9 as KMYB.
This station was assigned call sign KTGP on April 1, 1996, which ran a satellite country format.
This station was assigned call sign KBVL on November 9, 1998, which ran oldies and AC formats during its tenure.
It was a classic rock station on December 31, 2008 at midnight on January 1, 2009 it was changed to Southern Gospel.