RTL – Deutschlands Hit-Radio (english RTL – Germany's Hit-Radio), formerly RTL Radio, formerly Radio Luxemburg, is a commercial radio station in the German language. It began broadcasting after World War II from the Grand Duchy of Luxembourg on 208 metres in the medium wave band and has its studios today in Berlin. Until 30 June 2015 it used to broadcast a oldie music format, since 1 July 2015 it has broadcast a hot AC format.