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• Catalogue level

  Piece

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

  Theatres; GP Capt Jones to C Sept 6 re request for 8 promotions to Major in Hut 3, AM had already approved 5 additional S/L posts; Wing Cdr Oeser of Hut 3 to EWT Sept 14 suggesting he be permitted to go to France to brief T Force officers of 21 and 1…

  Held by

  The National Archives, Kew

  Date

  1944 Sept 1-15

  Reference

  HW 14/111

• Catalogue level

  Piece

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

  Russian Front: indications that Goering may have set up headquarters at Poltawa, June 14; arrival of US heavy bombers in Sevastopol June 14, report of decision in Moscow to prepare for defensive rather than attacking action, June 12.

  Held by

  The National Archives, Kew

  Date

  1942 June 16

  Reference

  HW 1/654

• Catalogue level

  Piece

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

  EWT proposes weekly assessment of Sigint production problems; discussion paper by Brigadier Van Cutsem on work of IE in Hut 12 and Research Section in Hut 3; search for accommodation for a further 400-500 Wrens expected to

  Held by

  The National Archives, Kew

  Date

  1942 June 1-10

  Reference

  HW 14/39

• Catalogue level

  Piece

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

  139501-140013: 139623: Execution of Mirkovic VLADIMIR for treason and 54 others, mainly Musselmans. 139773: Those proposed are Aryans and not married to persons of Jewish race or mixed blood 12/4/1945. 139892: German undertakings

  Held by

  The National Archives, Kew

  Date

  1945 Apr 11-1945 Apr 16

  Reference

  HW 19/233

• Catalogue level

  Piece

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

  Turkish ambassador, London: views of US C-in-C naval forces in European waters on war, Dec 12. Naval Headlines: shipping to and from North Africa.

  Held by

  The National Archives, Kew

  Date

  1942 Dec 16

  Reference

  HW 1/1228

• Catalogue level

  Piece

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

  Subject: Eastern Mediterranean U-boats (Östliches Mittelmeer) (1944 Jan 12 - 1944 Sep 27).

  Held by

  The National Archives, Kew

  Date

  1943 Dec 9-1945 Apr 17

  Reference

  HW 18/272

• Catalogue level

  Piece

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

  Germans transporting aviation fuel form Tunis by truck, Apr 12.Dive bomber group in North Africa to be equipped with new pattern Ju87 aircraft, Apr 15.

  Held by

  The National Archives, Kew

  Date

  1942 Apr 14

  Reference

  HW 1/495

• Catalogue level

  Piece

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

  Japanese minister, Madrid, quotes Spanish intelligence report on situation in India, Apr 12.

  Held by

  The National Archives, Kew

  Date

  1942 Apr 16

  Reference

  HW 1/500

• Catalogue level

  Department

  Records created or inherited by Government Communications Headquarters (GCHQ)

  Records created and inherited by the Government Code and Cypher School (GCCS) and its successor the Government Communications Headquarters (GCHQ) relating to interception of enemy communications and ensuring security of government electronic communic…

  Held by

  The National Archives, Kew

  Date

  1914-2024

  Reference

  HW

• Catalogue level

  Piece

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

  passed on by DD 1 to C; DD 1 to C Mar 27 re Service and RSS search and co-operation; query from DNI to DD 3 Mar 21 asking for all available Sigint on possible future move of Japanese intelligence centre from Berlin to a neutral country in Europe; Six…

  Held by

  The National Archives, Kew

  Date

  1945 Mar 16-31

  Reference

  HW 14/124

• Catalogue level

  Piece

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

  program there; Feb 12 results of sound recording test on GP tasks at Kedleston Hall Jan 7-14; suggested times for DR runs between BP, Beaumanor and Forest Moor Feb 12; comparison by Forest Moor CRR of Forest Moor intercept with that of Chicksands Feb…

  Held by

  The National Archives, Kew

  Date

  1944 Feb 1-15

  Reference

  HW 14/97

• Catalogue level

  Piece

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

  on reception of Canterbury Broadcast; results of AS study on GAF 3-figure settings Jan 9; AS to DDI 4 Jan 10 on request for new AS report to cover GAF Fighter Groups; AS to DD 3 Jan 11 re obtaining captured GAF documents from Russians; AS paper Jan 1…

  Held by

  The National Archives, Kew

  Date

  1945 Jan 1-15

  Reference

  HW 14/119

• Catalogue level

  Piece

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

  Subject: Italian U-boats - Baltic (Ostsee) (1941 Jun 12 - 1941 Nov 26).Subject: U-boat group/Ubootgruppe Breslau (Pt 1) (1941 Oct 10 - 1941 Oct 26).

  Held by

  The National Archives, Kew

  Date

  1941 Feb 3-1942 Apr 3

  Reference

  HW 18/244

• Catalogue level

  Piece

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

  Subject: Western Mediterranean (Westliches Mittelmeer) (1943 Jan 12 - 1943 Apr 21). Subject: U-boat group/Ubootgruppe Nordwind (1943 Jan 24 - 1943 Jan 26).

  Held by

  The National Archives, Kew

  Date

  1943 Jan 10-1943 Apr 21

  Reference

  HW 18/253

• Catalogue level

  Piece

  Traffic analysis report on Japanese army communications

  Traffic analysis report on Japanese army communications

  Held by

  The National Archives, Kew

  Date

  1945 Aug 06 - 1945 Aug 12

  Reference

  HW 41/325

• Catalogue level

  Piece

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

  Subject: U-boat group/Ubootgruppe Hagen (1945 Mar 13 - 1945 Apr 12). Subject: U-boat group/Ubootgruppe Faust (1945 Apr 17 - 1945 May 5).

  Held by

  The National Archives, Kew

  Date

  1945 Jan 31-1945 May 5

  Reference

  HW 18/293

• Catalogue level

  Piece

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

  North Africa: revised report on losses caused in raid on Castel Benito, Jan 13; No butter or dripping available from Germany, considered important to maintenance of health of troops, Jan 12; 5th Panzer Army report for Jan 12, harassing Allied artille…

  Held by

  The National Archives, Kew

  Date

  1943 Jan 15

  Reference

  HW 1/1315

• Catalogue level

  Piece

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

  Subject: tactics (passage tactics) (1945 Apr 12 - 1945 Apr 26). Subject: Norway, torpedoes (1945 Apr 12 - 1945 Apr 28). Subject: air raids (1945 Mar 21 - 1945 Apr 9). Subject: mining German declared area's (1945 Apr 5).

  Held by

  The National Archives, Kew

  Date

  1945 Mar 5-1945 Apr 28

  Reference

  HW 18/296

• Catalogue level

  Piece

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

  Army's report for June 12; report of captured British documents detailing results of PoW interrogations; Kesselring's orders for special precautions to be taken against sabotage attacks, June 13.

  Held by

  The National Archives, Kew

  Date

  1942 June 14

  Reference

  HW 1/645

• Catalogue level

  Piece

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

  of GAF units, Nov 11, bulk of equipment to be left behind; Allied advance forces German evacuation east of Tobruk and El Adem, Nov 10, extra transport aircraft being sent to Tobruk to assist; GAF reports suggest Allies to occupy Tobruk by late on Nov…

  Held by

  The National Archives, Kew

  Date

  1942 Nov 11

  Reference

  HW 1/1084