KGBX-FM (105.9 MHz) is a radio station broadcasting an adult contemporary format.

On July 18, 1979, the station changed its call letters to KYOO-FM.

This station served the Bolivar, Missouri, area but could be heard in Springfield.

The station was moved to 105.9 and became the current KGBX-FM primarily serving Springfield.

[3] The city of license was eventually moved from Bolivar to Nixa.