KDAO-FM is a commercial radio station that serves the Marshalltown, Iowa and Eldora, Iowa area. The station primarily broadcasts an adult contemporary music format. KDAO-FM is licensed to Eldora Broadcasting Company, Inc which is owned by Dean L. Osmundson, Audrey G. Osmundson and Mark K. Osmundson. The Osmundsons also own MTN Broadcasting, Inc., licensee of KDAO-AM and KDIT-CD, Marshalltown, IA.