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Knock John Fort
Built: 1942
Formerly a British Navy Fort (U4) constructed to protect coastal sea lanes during World War 2
Other offshore radio use:-
Also housed Radio Essex
Knock John Fort is located in the Thames Estuary, 8.5 nautical miles off Foulness, Essex and 12 nautical miles off Herne Bay, Kent
51.33.72 North 1.09.83 East
History
Key Dates
Fort and Location
Technical
Staff
Programmes
Location
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