Chain Home
Also known as: AMES Type 1 · Air Ministry Experimental Station Type 1
Chain Home, or CH for short, was the codename for the ring of coastal early warning radar stations built by the Royal Air Force (RAF) before and during the Second World War to detect and track aircraft.
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Supplied early warnings
Chain Home radar reports fed into the Dowding system’s network for detecting raids and directing fighters.
Provided radar warnings
Chain Home radar provided early warning of approaching German aircraft during the Battle of Britain.