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• Catalogue level

  Division

  General records of the Government Code and Cypher School

  ">HW 53; Intercepts of meteorological reports HW 54.

  Held by

  Date

  1914-1979

  Reference

• Catalogue level

  Series

  Government Code and Cypher School and predecessor: Meteorological Section: Correspondence

  Correspondence of the Meteorological Section with various customers of meteorological intelligence and providers of intercepted material.

  Held by

  The National Archives, Kew

  Date

  1939-1945

  Reference

  HW 54

• Catalogue level

  Item

  Washington: (Query re official visit to USA.)

  Washington: (Query re official visit to USA.)

  Held by

  The National Archives, Kew

  Date

  1943 July 19

  Reference

  HW 15/54/54

• Catalogue level

  Piece

  Correspondence and information passed between the RAF intercept site at Dunstable,...

  Correspondence and information passed between the RAF intercept site at Dunstable, the Air Ministry London and Bletchley Park

  Held by

  The National Archives, Kew

  Date

  1940 Jan 01 - 1945 Jul 07

  Reference

  HW 54/5

• Catalogue level

  Piece

  Correspondence with the French on German meteorological cyphers

  Correspondence with the French on German meteorological cyphers

  Held by

  The National Archives, Kew

  Date

  1939 Oct 01 - 1939 Oct 31

  Reference

  HW 54/3

• Catalogue level

  Piece

  Translations, Nos. YX/01-57. These appear to be decrypts and translations done at...

  Translations, Nos. YX/01-57. These appear to be decrypts and translations done at RAF Waddington and issued in the YX series, started on 16 June 1932 and, according to a note at the end, discontinued on 18 November 1935. Much of the early traffic was…

  Held by

  The National Archives, Kew

  Date

  1932 Jun 16 - 1935 Nov 18

  Reference

  HW 61/54

• Catalogue level

  Piece

  Correspondence with intercept sites in the Middle East, Malta and Algiers

  Correspondence with intercept sites in the Middle East, Malta and Algiers

  Held by

  The National Archives, Kew

  Date

  1944 Jan 04 - 1945 May 03

  Reference

  HW 54/14

• Catalogue level

  Piece

  Correspondence with the Signal Security Agency, Washington DC concerning European...

  Correspondence with the Signal Security Agency, Washington DC concerning European weather messages

  Held by

  The National Archives, Kew

  Date

  1942 Jun 01 - 1943 Dec 31

  Reference

  HW 54/2

• Catalogue level

  Piece

  Correspondence with USA and Canada on Japanese meteorological cyphers

  Correspondence with USA and Canada on Japanese meteorological cyphers

  Held by

  The National Archives, Kew

  Date

  1944 Feb 24 - 1944 May 02

  Reference

  HW 54/16

• Catalogue level

  Piece

  Allied cypher settings

  Allied cypher settings

  Held by

  The National Archives, Kew

  Date

  1941 Mar 28 - 1944 Mar 02

  Reference

  HW 51/54

• Catalogue level

  Piece

  Reports in the series QT/9001 to QT/9250.

  Reports in the series QT/9001 to QT/9250.

  Held by

  The National Archives

  Date

  1942 Dec 20-1942 Dec 23

  Reference

  HW 20/54

• Catalogue level

  Piece

  GRU Naval (Soviet Naval Intelligence) Attaché Traffic: Moscow with Washington, USA....

  GRU Naval (Soviet Naval Intelligence) Attaché Traffic: Moscow with Washington, USA. (Described at item level)

  Held by

  The National Archives, Kew

  Date

  1943 June 2-1943 Nov 14

  Reference

  HW 15/54

• Catalogue level

  Piece

  Decrypts of intercepted diplomatic communications. Afghanistan: 15388-15389, 15410-15412,...

  Decrypts of intercepted diplomatic communications. Afghanistan: 15388-15389, 15410-15412, 15445, 15493, 15503, 15523, 15530-15533, 15606, 15618, 15652, 15670, 15680-15681. Belgium: 15396-15397, 15554. France: 15368-15369, 15379-15383, 15392-15395, 15…

  Held by

  The National Archives, Kew

  Date

  1924 Jan

  Reference

  HW 12/54

• Catalogue level

  Piece

  GP decrypts selected by Major Pritchard of 4 IS as being of special interest for...

  GP decrypts selected by Major Pritchard of 4 IS as being of special interest for signalling to War Office or Air Ministry

  Held by

  The National Archives, Kew

  Date

  1942 Jan-May

  Reference

  HW 16/54

• Catalogue level

  Piece

  Correspondence with the Signal Security Agency, Washington DC concerning Japanese...

  Correspondence with the Signal Security Agency, Washington DC concerning Japanese weather messages

  Held by

  The National Archives, Kew

  Date

  1942 Sep 01 - 1943 Dec 31

  Reference

  HW 54/1

• Catalogue level

  Piece

  Correspondence on Russian meteorological cyphers

  Correspondence on Russian meteorological cyphers

  Held by

  The National Archives, Kew

  Date

  1939 Sep 17 - 1940 May 07

  Reference

  HW 54/4

• Catalogue level

  Piece

  Liaison with the United States forces

  Liaison with the United States forces

  Held by

  The National Archives, Kew

  Date

  1943 Sep 13 - 1945 Sep 27

  Reference

  HW 64/54

• Catalogue level

  Piece

  Correspondence with intercept sites in the Middle East concerning European cyphers

  Correspondence with intercept sites in the Middle East concerning European cyphers

  Held by

  The National Archives, Kew

  Date

  1943 Dec 01 - 1945 May 31

  Reference

  HW 54/15

• Catalogue level

  Piece

  Correspondence with Air Ministry and Cabinet Office

  Correspondence with Air Ministry and Cabinet Office

  Held by

  The National Archives, Kew

  Date

  1943 Dec 14 - 1944 Sep 20

  Reference

  HW 54/8

• Catalogue level

  Piece

  GC&CS Army and Air Force Sigint Volume XI: Miscellaneous Cryptographic Systems and...

  GC&CS Army and Air Force Sigint Volume XI: Miscellaneous Cryptographic Systems and their Solution by P Bartley

  Held by

  Creating government department or its successor

  Date

  1939 Sep 01 - 1945 Aug 30

  Reference

  HW 43/54