German Coastal Radar Stations

When German forces occupied the coastline of the English Channel in 1940, one of the measures undertaken to give early warning of attacks from the sea or air was to set up a line of radar stations. Although this invisible screen was a passive defense, it was a serious ‘barrier’ that had to be neutralized for the Allied invasion to be launched in 1944. Planners at RAF Medmenham had established there the Central Interpretation Unit (CIU) to examine the results of aerial photography over the Contin