Abbot's Cliff |
Dover. RN Y station. |
Abbottabad |
British Army signals intelligence centre in India (now Pakistan). |
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Adstock Manor |
Near Buckingham. Bombe station 1943 – 1945. |
Aldford House |
Park Lane London. Commercial Section from March 1942 also elements of Diplomatic Section |
Alexandria Egypt |
Major RN base (HMS Nile) and location of RN and later RAF signals intelligence units. |
Arkley Barnet |
RSS HQ from late 1941. |
Baldock |
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BP Bletchley Park |
Wartime centre of Government Code and Cypher School (GCCS). |
Beaumanor |
Near Loughborough Leicestershire. An Army Y station |
Bedford |
Location of Inter-Services Special Intelligence School. Provided training in cryptanalysis and Japanese. |
Berkeley Street |
Near Piccadilly London. Location of the Diplomatic Section from March 1942. |
Bishops Waltham |
Near Southampton. Army Y station from early 1943. |
Brisbane |
Australian/US Army and Air Force signals intelligence centre – Combined Bureau Brisbane. |
Broadstairs |
Kent. Army Y station activated in 1944 for Operation Overlord. |
Broadway St James' |
London. HQ of MI6 and pre-war location of GCCS. |
Capel-le-Ferne |
Near Folkestone. RAF Y station. |
Cheadle |
Near Stoke-on-Trent. RAF Y and signals intelligence station. |
Chicksands |
Bedfordshire. RAF Y station. |
Church Green |
Bletchley. RAF station built in 1943 to support BP. |
Colombo |
Ceylon (now Sri Lanka). Location of HMS Anderson Far East Combined Bureau from 1942 (see Mombasa) |
Cupar |
Near St Andrews Fife. GPO later RN Y station. |
Delhi |
India. Army signals intelligence station location of the Wireless Experimental Centre (WEC Delhi) working on Japanese ciphers. |
Denmark Hill |
South London. Metropolitan Police intercept station established in mid 1930s against illicit transmissions including Soviet spies. Intercepted commercial and diplomatic traffic for GCCS from 1939. |
Dollis Hill |
North London. GPO Research Station where Colossus was developed. |
Douglas |
Isle of Man. Special Operators Training Battalion training Army morse intercept operators from late 1942. |
Drayton Parslow |
West of Bletchley. Housed elements of the Hollerith Machine Processing Section from Hut 7 and Block C Bletchley Park. |
Dunstable |
Bedfordshire. Intercepted German meteorological signals. |
Eastcote |
North west London. Bombe station from 1943. GCHQ relocated to Eastcote from BP in 1946. |
Elmers School |
Requisitioned grammar school adjacent to BP entrance effectively part of the site. Sometimes referred to as School House. |
Flowerdown |
Near Winchester. RN Y station. |
Forest Moor |
Blubberhouses Moor North Yorkshire. Army Y station. Sometimes referred to as Harrogate where its ATS personnel were billeted. |
Gayhurst Manor |
Near Newport Pagnell. Bombe station and WRNS accommodation. |
Gilnahirk |
Near Belfast. RSS intercept station. |
Hampstead |
North London Army Y station and location of the Special W/T Training and Research Centre from July 1943 also a communications research centre. |
Hanslope Park |
North of Bletchley. Main RSS intercept site |
Harpenden |
Hertfordshire. Army Y station. |
Heliopolis |
Near Cairo. Middle East signals intelligence centre. |
Kedleston Hall |
Derbyshire. Army Y station. |
Kilindini |
See Mombasa. |
Knockholt |
Near Sevenoaks. FO intercept site from 1942 for German teleprinter communications. |
Little Horwood |
West of Bletchley. SCU 1 Training Wing. |
Malta |
RN and RAF Y stations. |
Mansfield College |
Oxford. GCCS outstation responsible for code and cipher production. |
Mauritius |
Indian Ocean. Intercept station. |
Melbourne |
Australian/US naval signals intelligence centre - Fleet Requirements Unit Melbourne (FRUMEL). |
Mombasa |
Kenya. Y station and signals intelligence centre. Far East Combined Bureau evacuated to Kilindini Harbour Mombasa from April 1942 to September 1943. |
Newbold Revel |
Warwickshire. RAF signals intelligence training school. |
Ryder Street |
St James' London. Elements of Diplomatic Section. |
St Erth |
Cornwall. RSS intercept station. |
Sandridge |
Near St Albans.GPO Y station. |
Scarborough |
RN Y station. |
Shenley |
Near St Albans. Army Y station. |
Shenley Road |
Bletchley. Camp for Army personnel at BP built January 1944. |
Southwold |
Suffolk. Naval Y station. |
Stanmore |
North west London. Bombe station from 1942. |
Sutton Valence |
Maidstone Kent. RAF Y station. |
Trowbridge |
Wiltshire. Special Operators Training Battalion training Army morse intercept operators. SOTB relocated to Douglas in late 1942. |
Wavendon House |
Near Bletchley. Commercial Section from 1939 to March 1942; a bombe station and WRNS accommodation. |
West Kingsdown |
Near Sevenoaks Kent. RAF Y station. Co-ordinated operations of several small Y stations. |
Whaddon Hall |
West of Bletchley. Location of SCU 1 disseminating Bletchley Park's reporting . Also HQ of RSS. |
Wick |
NE Scotland. RAF Y station. |
Windy Ridge |
West of Bletchley. Radio station for 1 SCU transmitting BP reports to Allied forces in the field. |
Withernsea |
E Yorkshire. RN Y station. |
The Y Service 1939-1945