KFUO (Keep Forward Upward Onward) is a Religious station licensed to Clayton, Missouri near St. Louis. They went on the air in 1924 and their radio studio is the longest running broadcast facility in the United States.
99.1 KFUO went on the air in 1948 and was the first FM station in St. Louis. In July, 2010, after 62 years as a Classical music station, the Lutheran Church-Missouri Synod sold KFUO-FM to Gateway Creative Broadcasting who flipped 99.1 to Contemporary Christian KLJY "Joy FM." Some former KFUO-FM staff members are now involved with the new internet home of "Classic 99."