The Grosse Würzburg radar (which is covered by a camouflage of life) is a radar installation in Batterie Mirus (Guernsey). Parabolic reflector has a diameter of 7.5 m (compared with standard Wurzburg radar only 3m). Note also the holder is made of concrete!
The photo shows the Wurzburg radar in Jersey, complete with trenches and bunkers for the crew. Würzburg radar itself is anti-aircraft guns are very accurate up to 40km reach
Operating the Wurzburg radar dish Dora
Direction Control Center is operating