 WTKM began broadcasting in 1951, and also has an FM sister station at 104.9 MHz, which began broadcasting in the 1973.Both stations ran a polka and full service format for most of their existence.Most of WTKM's programming was a simulcast with the FM, although it aired separate German Language and music programming on Sunday afternoons called "The Voice Of Germany" and "The Rosary" weekday afternoons.