High Quality Content by WIKIPEDIA articles! The Wurzburg radar was the primary ground-based gun laying radar for both the Luftwaffe and the German Army during World War II. INitial development took place before the war, entering service in 1940. EVentually over 4,000 Wurzburgs of various models were produced. THe name derives from the British code name for the device prior to their capture of the first identified operating unit. IN January 1934 Telefunken met with German radar researchers, notably Dr. RUdolf Kuhnhold of the Communications Research Institute of the German Navy and Dr. HAns Hollmann, an expert in microwaves, who informed them of their work on an early warning radar.