sentences:  From 1961 until 1963 the "Fernmeldezentralamt" and 1973 buildings for the "Post- und Telegraphendirektion für Wien, Niederösterreich und das Burgenland" (Mail and Telegraph Authority for Vienna, Lower Austria and Burgenland), today the "Technologiezentrum Arsenal" (Technology Centre Arsenal) of the Telekom Austria) with the 150-metre high Funkturm Arsenal.The "Österreichisches Forschungs- und Prüfzentrum Arsenal" (Austrian Research and Testing Centre Arsenal), today Arsenal Research, was located in the complex.A small part of the complex is still being used by the Austrian army as a barracks.