It broadcasts a hot adult contemporary format dominated by pop music and has been operating since 1 December 1986.

The first song was "Pop Muzik" by M, and the first host was Jürgen Büsselberg.

The last track played was again "Pop Muzik", and the last host was Axel P. Sommerfeld.

A new morning show began in January 2009, with Roland Kanwicher and Olaf Rathje, alternating with Jens-Uwe Krause and Tina Padberg.

Overnight, the station airs ARD's Popnacht (Pop Night), which is produced by SWR3.