Atomic Weapons Detection Recognition and Estimation of Yield known by the acronym AWDREY was a desk-mounted automatic detection instrument, located at 13 of the 25 Royal Observer Corps controls, acros
A photograph of an AWDREY display unit taken in situ at the York Cold War Bunker
Awdrey Timing and Logic on display in York
The Royal Observer Corps Orlit Post is an observation post used by the Royal Observer Corps during the Cold War to recognise enemy aircraft. Many Orlit Posts can be found near ROC Monitoring Posts.
An Orlit post at Dersingham