KRBG (88.7 FM) is a radio station licensed to serve Umbarger, Texas. The station is owned by Grace Community Church of Amarillo. It airs a Religious radio format.The station was assigned the KWDH call letters by the Federal Communications Commission on October 11, 2006. On October 1, 2008, it changed to the current call sign of KRBG.KRBG's programming is also heard on sister stations KBIJ (99.5 FM) in Guymon, Oklahoma.