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• EWT to C Sept 1 reporting cypher change by GP from double Playfair to Raster stencil...

  Held by

  The National Archives, Kew

  Date

  1944 Sept 1-15

  Reference

  HW 14/111

• North Africa: reports from Panzer Army for June 14 and 15. Mediterranean: GAF reports...

  Held by

  The National Archives, Kew

  Date

  1942 June 16

  Reference

  HW 1/654

• EWT proposes weekly assessment of Sigint production problems; discussion paper by...

  Held by

  The National Archives, Kew

  Date

  1942 June 1-10

  Reference

  HW 14/39

• 139501-140013: 139623: Execution of Mirkovic VLADIMIR for treason and 54 others,...

  Held by

  The National Archives, Kew

  Date

  1945 Apr 11-1945 Apr 16

  Reference

  HW 19/233

• North Africa: Sousse report to Panzer Army unloading of ship with fuel, Dec 14. Italian...

  Held by

  The National Archives, Kew

  Date

  1942 Dec 16

  Reference

  HW 1/1228

• Teleprinted translations of decrypted Second World War German U-boat (or U-boat command)...

  Held by

  The National Archives, Kew

  Date

  1943 Dec 9-1945 Apr 17

  Reference

  HW 18/272

• Germans transporting aviation fuel form Tunis by truck, Apr 12. Dive bomber group...

  Held by

  The National Archives, Kew

  Date

  1942 Apr 14

  Reference

  HW 1/495

• Request from GAF Africa for more costal transport vessels between Tripoli and Benghazi,...

  Held by

  The National Archives, Kew

  Date

  1942 Apr 16

  Reference

  HW 1/500

• Records created or inherited by Government Communications Headquarters (GCHQ)

  Held by

  The National Archives, Kew

  Date

  1914-2024

  Reference

  HW

• M/S note from FL Lucas to EWT Mar 16 on threat of German attacks on British airfields...

  Held by

  The National Archives, Kew

  Date

  1945 Mar 16-31

  Reference

  HW 14/124

• MI-8 to Col Tiltman at BP Feb 2 with draft of Allied signals requirements from Germans...

  Held by

  The National Archives, Kew

  Date

  1944 Feb 1-15

  Reference

  HW 14/97

• Gp Capt Winterbotham of HQ to EWT Jan 2 re Sigint conference at Honolulu and dissemination...

  Held by

  The National Archives, Kew

  Date

  1945 Jan 1-15

  Reference

  HW 14/119

• Teleprinted translations of decrypted Second World War German U-boat (or U-boat command)...

  Held by

  The National Archives, Kew

  Date

  1941 Feb 3-1942 Apr 3

  Reference

  HW 18/244

• Teleprinted translations of decrypted Second World War German U-boat (or U-boat command)...

  Held by

  The National Archives, Kew

  Date

  1943 Jan 10-1943 Apr 21

  Reference

  HW 18/253

• Traffic analysis report on Japanese army communications

  Held by

  The National Archives, Kew

  Date

  1945 Aug 06 - 1945 Aug 12

  Reference

  HW 41/325

• Teleprinted translations of decrypted Second World War German U-boat (or U-boat command)...

  Held by

  The National Archives, Kew

  Date

  1945 Jan 31-1945 May 5

  Reference

  HW 18/293

• Northern Europe: 5th Air Fleet's operational orders for combatting blockade runners...

  Held by

  The National Archives, Kew

  Date

  1943 Jan 15

  Reference

  HW 1/1315

• Teleprinted translations of decrypted Second World War German U-boat (or U-boat command)...

  Held by

  The National Archives, Kew

  Date

  1945 Mar 5-1945 Apr 28

  Reference

  HW 18/296

• North Africa report for June 12: German Africa Corps in urgent need of artillery...

  Held by

  The National Archives, Kew

  Date

  1942 June 14

  Reference

  HW 1/645

• North Africa: further GAF units deployed to Tunis, Nov 10; due to of communications...

  Held by

  The National Archives, Kew

  Date

  1942 Nov 11

  Reference

  HW 1/1084