hr4 is a German, public

radio station Radio broadcasting is transmission of audio (sound), sometimes with related metadata, by radio waves to radio receivers belonging to a public audience. In terrestrial radio broadcasting the radio waves are broadcast by a land-based radio ...

owned and operated by the

Hessischer Rundfunk Hessischer Rundfunk (HR; "Hesse Broadcasting") is the German state of Hesse's public broadcasting, public broadcasting corporation. Headquartered in Frankfurt, it is a member of the national consortium of German public broadcasting corporations, ...

(HR).

References

Radio stations in Germany Radio stations established in 1986 1986 establishments in West Germany Mass media in Kassel Hessischer Rundfunk {{Germany-radio-station-stub