Passage: Frankfurt's first radio station was the Südwestdeutsche Rundfunkdienst AG (Southwest German Broadcast Service), founded in 1924. Its successor service is the public broadcaster Hessischer Rundfunk (Hessian Broadcast Service). It is located at the "Funkhaus am Dornbusch" in the Dornbusch district and is one of the most important radio and television broadcasters in Hesse, with additional studios in Kassel, Darmstadt and Fulda.

Question: What is the German name for the Southwest German Broadcast Service?
Südwestdeutsche Rundfunkdienst AG