N'ihe banyere ụlọ ọrụ redio mbụ nke Frankfurt bụ Südwestdeutsche Rundfunkdienst AG (Southwest German Broadcast Service), nke e guzobere na 1924. Ọrụ ya bụ onye mgbasa ozi ọha na eze Hessischer Rundfunk (Hessian Broadcast Service). Ọ dị na "Funkhaus am Dornbusch" na mpaghara Dornbusch ma bụrụ otu n'ime ndị na-agbasa ozi redio na telivishọn kachasị mkpa na Hesse, yana ụlọ ọrụ ndị ọzọ na Kassel, Darmstadt na Fulda. Ajụjụ: Gịnị bụ aha German maka Southwest German Broadcast Service?
Südwestdeutsche Rundfunkdienst AG