Jack FM is a commercial radio station licensed to Oskaloosa, Iowa, broadcasting on 740 AM (KMZN) with FM translators on 99.5 and 103.9 MHz. It plays a variety/classic hits mix from the 1960s-1980s alongside local and national news and live coverage of Oskaloosa and William Penn sports. Ранее: KMZN 99.5FM & 740AM.
