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- Catalogue level
- Piece
IWS00001719.pdf
Exhibit HW/1 - KCTMO repairs log for Flat 66 various dates from 2003 - Dec 2016Evidence provided by: Birnberg Peirce
- Held by
- The National Archives, Kew
- Date
- 2020 Mar 05
- Reference
- GTI 2/HHS5/Z
-
- Catalogue level
- Division
General records of the Government Code and Cypher School
TECHNICAL MATTERS: 'Y' Station HW 55; Air Section HW 66.
- Held by
- Date
- 1914-1979
- Reference
-
- Catalogue level
- Series
Government Code and Cypher School: Air Section: Correspondence, Analytical and Technical...
This series contains unregistered messages, correspondence and reports of the Air Section with the Air Ministry, with RAF Cheadle and other authorities, principally on technical analysis and interception matters relating to German Air Force communica…
- Held by
- The National Archives, Kew
- Date
- 1940-1942
- Reference
- HW 66
-
- Catalogue level
- Piece
Liaison between Special Communications Unit (SCU) and CBME
Liaison between Special Communications Unit (SCU) and CBME
- Held by
- The National Archives, Kew
- Date
- 1942 Sep 05 - 1944 Mar 07
- Reference
- HW 51/66
-
- Catalogue level
- Piece
Soviet Comintern messages: ISCOT 1301-1400
Soviet Comintern messages: ISCOT 1301-1400
- Held by
- The National Archives, Kew
- Date
- 1945 June 28-1945 Aug 28
- Reference
- HW 17/66
-
- Catalogue level
- Piece
Miscellaneous Reports, mostly undated. Italian Air Force W/T [wireless telegraphy]...
Miscellaneous Reports, mostly undated. Italian Air Force W/T [wireless telegraphy] Activity Report by No 362 Wireless Unit Chicksands Priory October 1942. WT indications of the place of origin of German Air Force Units now operating in the Mediterran…
- Held by
- The National Archives, Kew
- Date
- 1942 Oct 01 - 1942 Oct 31
- Reference
- HW 66/4
-
- Catalogue level
- Piece
Supply and accommodation of Bombe mechanics
Supply and accommodation of Bombe mechanics
- Held by
- The National Archives, Kew
- Date
- 1943 Feb 26 - 1945 Mar 16
- Reference
- HW 64/66
-
- Catalogue level
- Piece
Central Telegraph Office staff query pay and conditions on transfer from Post Office...
Central Telegraph Office staff query pay and conditions on transfer from Post Office to GCCS and the Foreign Office: all questions resolved
- Held by
- The National Archives, Kew
- Date
- 1937
- Reference
- HW 3/66
-
- Catalogue level
- Piece
Miscellaneous Reports 1941. 29/1/1941 RAF Section GC&CS Work Done during the Year...
Miscellaneous Reports 1941. 29/1/1941 RAF Section GC&CS Work Done during the Year [1940]. 4/3/1941 Documents Captured off the Lofoten Islands. 3/6/1941 Report of Interception by No 4 W/T (Special B Type Wireless Section) 1st Australian Corps duri…
- Held by
- The National Archives, Kew
- Date
- 1941 Mar 12 - 1941 Aug 10
- Reference
- HW 66/2
-
- Catalogue level
- Piece
Italian air activity including daily summaries 219 - 296.
Italian air activity including daily summaries 219 - 296.
- Held by
- The National Archives, Kew
- Date
- 1942 Apr 26-1942 July 14
- Reference
- HW 21/66
-
- Catalogue level
- Piece
Miscellaneous Papers 1941. Part played by REB [probably means of identifying transmitters...
Miscellaneous Papers 1941. Part played by REB [probably means of identifying transmitters electronically, usually referred to as RFP] and TINA [identification of characteristics of individual radio operators] in the Bismarck action (undated)
- Held by
- The National Archives, Kew
- Date
- 1941 Jan 07 - 1941 Sep 27
- Reference
- HW 66/3
-
- Catalogue level
- Piece
Decrypts of Japanese army and army air force messages
Decrypts of Japanese army and army air force messages
- Held by
- The National Archives, Kew
- Date
- 1945 Jun 20-1945 Jul 31
- Reference
- HW 52/66
-
- Catalogue level
- Piece
Reports of Japanese army air decrypts with subject headers
Reports of Japanese army air decrypts with subject headers
- Held by
- The National Archives, Kew
- Date
- 1945 Jan 01-1945 May 11
- Reference
- HW 28/66
-
- Catalogue level
- Piece
Mainly Bulgarian State Security and National Militia miscellaneous messages
Mainly Bulgarian State Security and National Militia miscellaneous messages
- Held by
- The National Archives, Kew
- Date
- 1947 Jul 25 - 1947 Aug 08
- Reference
- HW 75/66
-
- Catalogue level
- Piece
Signals containing operational intelligence appreciations from the Middle East command
Signals containing operational intelligence appreciations from the Middle East command
- Held by
- The National Archives, Kew
- Date
- 1942 Sep 02-1943 Feb 22
- Reference
- HW 41/66
-
- Catalogue level
- Piece
Japanese naval decrypts
Japanese naval decrypts
- Held by
- The National Archives, Kew
- Date
- 1944 Jan 03-1944 Jan 04
- Reference
- HW 23/66
-
- Catalogue level
- Piece
Probable original draft of Part II "Concentration Camps"
Probable original draft of Part II "Concentration Camps"
- Held by
- The National Archives, Kew
- Date
- 1942 Nov
- Reference
- HW 16/66
-
- Catalogue level
- Piece
German section: reports of German army and air force high grade machine decrypts
German section: reports of German army and air force high grade machine decrypts
- Held by
- The National Archives, Kew
- Date
- Feb 21 1942-Feb 24 1942
- Reference
- HW 5/66
-
- Catalogue level
- Piece
Miscellaneous Reports and Correspondence 1940. 12/7/1940 Report by F/Lt Card, Officer...
Miscellaneous Reports and Correspondence 1940. 12/7/1940 Report by F/Lt Card, Officer Commanding IDM [Isle de St Marguerite] Station near Cannes, on the evacuation of IDM on 17 June. 9/7/1940 Report of W/T [wireless telegraphy] intelligence activitie…
- Held by
- The National Archives, Kew
- Date
- 1940 Feb 24 - 1940 Dec 07
- Reference
- HW 66/1
-
- Catalogue level
- Piece
Dossier on SIXTA. Historical notes on the development of WTI (analysis of enemy communications...
Dossier on SIXTA. Historical notes on the development of WTI (analysis of enemy communications structure and activity) culminating in the establishment of the SIXTA Section at Bletchley Park, which concentrated primarily on German Army and Air Force …
- Held by
- The National Archives, Kew
- Date
- 1939 Sep 01 - 1945 Apr 30
- Reference
- HW 50/66