Original: Westdeutscher Rundfunk ( WDR , West German Broadcasting ) Full official name : Westdeutscher Rundfunk Köln is a German public-broadcasting institution based in the Federal State of North Rhine-Westphalia with its main office in Cologne .
Simplified: The Westdeutscher Rundfunk ( WDR , official '' Westdeutscher Rundfunk Köln '' ) is a German public-broadcasting institution based in the Federal State of North Rhine-Westphalia with its main office in Cologne .