This site is under development
Read more about the project on our blog and help us out by providing feedback.
Filters
Filter by record date
Filter by record opening date
Results layout
Results
-
- Catalogue level
- Piece
Liaison between CBME and various intercept stations in the Middle East, in particular...
Liaison between CBME and various intercept stations in the Middle East, in particular the naval site at Ras-el-Tin, Libya
- Held by
- The National Archives, Kew
- Date
- 1942 Jan 01 - 1942 Dec 30
- Reference
- HW 51/17
-
- Catalogue level
- Piece
GC&CS Naval Sigint Volume VII: The German Navy's Use of Special Intelligence and...
GC&CS Naval Sigint Volume VII: The German Navy's Use of Special Intelligence and Reactions to Allied Use by Lt Cmdr K W McMahon USNR
- Held by
- The National Archives, Kew
- Date
- 1939 Sep 01 - 1945 Aug 30
- Reference
- HW 43/17
-
- Catalogue level
- Piece
CTG 317.9 signal regarding information gained from informal dinner with commanding...
CTG 317.9 signal regarding information gained from informal dinner with commanding officer of Argentine submarine Santa Fe; paper by Head of W Division regarding consequences of MARGAY and resultant backlog of other communications; signal from P Divi…
- Held by
- The National Archives, Kew
- Date
- 1982 Apr 26 - 1982 May 9
- Reference
- HW 92/17
-
- Catalogue level
- Piece
Decrypts of intercepted diplomatic communications. Argentina: 4884-4886. Brazil:...
Decrypts of intercepted diplomatic communications. Argentina: 4884-4886. Brazil: 4853, 4974, 5004, 5089. Chile: 4832, 5023. Denmark: 4958, 4988, 5115. France: 4971-4972, 5116. Germany: 4854-4855, 4883, 4899, 4981, 5018-5019, 5037, 5063, 5080, 5090, 5…
- Held by
- The National Archives, Kew
- Date
- 1920 Nov 22-1920 Dec 31
- Reference
- HW 12/17
-
- Catalogue level
- Piece
Reports in the series MK/6001 to 6500. Numbers MK/6021, 6160 and 6161 not taken up
Reports in the series MK/6001 to 6500. Numbers MK/6021, 6160 and 6161 not taken up
- Held by
- The National Archives
- Date
- 1942 May 29-1942 Jun 09
- Reference
- HW 20/17
-
- Catalogue level
- Piece
Soviet Comintern messages: Service 36, Moscow to and from Slovene HQ, Yugoslavia....
Soviet Comintern messages: Service 36, Moscow to and from Slovene HQ, Yugoslavia. Moscow, no callsigns, few messages. Slovene HQ, callsigns listed only for 03/07/1944. Many messages with no serials or a daily 1 up series; Service 36, Moscow to and fr…
- Held by
- The National Archives, Kew
- Date
- 1943 Mar 16-1944 Aug 5
- Reference
- HW 17/52
-
- Catalogue level
- Piece
Soviet Comintern messages: Service 183: Moscow to and from Czechoslovakia. Moscow,...
Soviet Comintern messages: Service 183: Moscow to and from Czechoslovakia. Moscow, callsigns WHD, LGL and ZBV, 23 September to 19 December used message serial numbers 26-72. Czechoslovakia, callsigns JMC and OKQ, 12 November to 16 December 1944; mess…
- Held by
- The National Archives, Kew
- Date
- 1944 Sept 23-1944 Dec 19
- Reference
- HW 17/43
-
- Catalogue level
- Piece
India, 1942 - 1945 Copies of minutes of Board and Committee meetings held in India...
India, 1942 - 1945Copies of minutes of Board and Committee meetings held in India or South East Asia Command forwarded to UK recipients: 1. Y(India) Board: Minutes of first meeting on 15 May 1942 Letter to Chairman of Y Committee in London, recounti…
- Held by
- The National Archives, Kew
- Date
- 1942 May 15-1945 May 05
- Reference
- HW 42/17
-
- Catalogue level
- Piece
Decisions of Signal Intelligence Board on signal intelligence against Japan
Decisions of Signal Intelligence Board on signal intelligence against Japan
- Held by
- The National Archives, Kew
- Date
- 1944 Jun 12 - 1944 Aug 17
- Reference
- HW 67/17
-
- Catalogue level
- Piece
Security of electronic communications
Security of electronic communications
- Held by
- Creating government department or its successor
- Date
- 1961 Nov-1964 Nov
- Reference
- HW 9/17
-
- Catalogue level
- Piece
ULTRA/AND/RES.HMS Anderson: Japanese ship building and shipping activity
ULTRA/AND/RES.HMS Anderson: Japanese ship building and shipping activity
- Held by
- The National Archives, Kew
- Date
- 1945 Apr 18-Aug 15
- Reference
- HW 4/17
-
- Catalogue level
- Piece
Commercial reports
Commercial reports
- Held by
- The National Archives, Kew
- Date
- 1940 Mar 15-1940 Mar 21
- Reference
- HW 29/17
-
- Catalogue level
- Piece
Plus Middle East
Plus Middle East
- Held by
- The National Archives, Kew
- Date
- May 28 1941-June 4 1941
- Reference
- HW 5/17
-
- Catalogue level
- Piece
GC&CS miscellaneous papers: Western Front Committee Minutes June 1943 and February-May...
GC&CS miscellaneous papers: Western Front Committee Minutes June 1943 and February-May 1944 (TW/WFC/1-12). This GC&CS internal committee was set up to provide intelligence support to SHAEF and Admiralty in preparation for the cross-channel in…
- Held by
- The National Archives, Kew
- Date
- 1943 Jun 05 - 1944 May 19
- Reference
- HW 62/17
-
- Catalogue level
- Piece
Soviet Comintern messages: ISCOT 701-800
Soviet Comintern messages: ISCOT 701-800
- Held by
- The National Archives, Kew
- Date
- 1944 Dec 20-1945 Jan 8
- Reference
- HW 17/60
-
- Catalogue level
- Piece
Soviet Comintern messages: ISCOT 201-300
Soviet Comintern messages: ISCOT 201-300
- Held by
- The National Archives, Kew
- Date
- 1944 July 19-1944 Oct 2
- Reference
- HW 17/55
-
- Catalogue level
- Piece
Decrypts of Comintern messages: Moscow, USSR, with Amsterdam, Holland. (Described...
Decrypts of Comintern messages: Moscow, USSR, with Amsterdam, Holland. (Described at item level)
- Held by
- The National Archives, Kew
- Date
- 1935 Aug-1936 July
- Reference
- HW 17/25
-
- Catalogue level
- Piece
Soviet Comintern messages: Service 167: Moscow to and from Bulgarian comrades in...
Soviet Comintern messages: Service 167: Moscow to and from Bulgarian comrades in Serbia, 30 June to 16 September 1944. No apparent pattern to message serial numbers. Service 167: Moscow to and from Bulgarian comrades in Serbia, 30 June to 16 Septembe…
- Held by
- The National Archives, Kew
- Date
- 1944 June 30-1944 Nov 17
- Reference
- HW 17/41
-
- Catalogue level
- Piece
Decrypts of Comintern messages: Moscow, USSR, with Basle, Switzerland. (Described...
Decrypts of Comintern messages: Moscow, USSR, with Basle, Switzerland. (Described at item level)
- Held by
- The National Archives, Kew
- Date
- 1935 July-1935 Dec
- Reference
- HW 17/34
-
- Catalogue level
- Piece
Soviet Comintern messages: ISCOT 1401-1491. ISCOT numbers 1427-1436 were not used...
Soviet Comintern messages: ISCOT 1401-1491. ISCOT numbers 1427-1436 were not used owing to a typing error.
- Held by
- The National Archives, Kew
- Date
- 1945 Aug 28-1947 Apr 14
- Reference
- HW 17/67