Catalogue search results

Filters

Results

• General records of the Government Code and Cypher School

  Held by

  Date

  1914-1979

  Reference

• Government Code and Cypher School: Weekly Reports

  Held by

  The National Archives, Kew

  Date

  1941-1945

  Reference

  HW 77

• Japanese Naval/Air-Ground Sigint. Historical notes on the collection and processing...

  Held by

  The National Archives, Kew

  Date

  1943 Apr 11 - 1945 Aug 26

  Reference

  HW 50/77

• Enemy exploitation of codes and cyphers of various UK Government Departments: miscellaneous...

  Held by

  The National Archives, Kew

  Date

  1943 Oct 27 - 1945 Feb 15

  Reference

  HW 40/77

• Yugoslav Army Field Post Number messages. Yugoslav Navy messages mainly concerned...

  Held by

  The National Archives, Kew

  Date

  1948 Jul 15 - 1949 Jan 04

  Reference

  HW 75/77

• Decrypts of intercepted diplomatic communications. Afghanistan: 22007. Brazil: 21920,...

  Held by

  The National Archives, Kew

  Date

  1925 Dec

  Reference

  HW 12/77

• Hut 3 weekly reports: Nos 1-117

  Held by

  The National Archives, Kew

  Date

  1943 Feb 23 - 1945 May 05

  Reference

  HW 77/11

• Block C (Freeborn) weekly reports: produced by Frederic Freeborn's Hollerith Machine...

  Held by

  The National Archives, Kew

  Date

  1943 Feb 25 - 1945 Jul 02

  Reference

  HW 77/10

• Hut 6 weekly reports, part III

  Held by

  The National Archives, Kew

  Date

  1943 Jan 02 - 1943 Jun 25

  Reference

  HW 77/14

• Cryptographic Co-ordination and Records Section (CCR) weekly reports

  Held by

  The National Archives, Kew

  Date

  1943 Feb 27 - 1945 Aug 25

  Reference

  HW 77/20

• Hut 6 weekly reports, part III

  Held by

  The National Archives, Kew

  Date

  1943 Jul 02 - 1943 Sep 25

  Reference

  HW 77/15

• Hut 6 weekly reports, parts I and II

  Held by

  The National Archives, Kew

  Date

  1941 Sep 07 - 1943 Dec 25

  Reference

  HW 77/12

• Establishment and finance

  Held by

  Creating government department or its successor

  Date

  1939-1943

  Reference

  HW 3/77

• Allied Sigint Policy and Organisation by Nigel de Grey. Chapter V The Service Ministries;...

  Held by

  The National Archives, Kew

  Date

  1914 Aug 01-1945 Aug 30

  Reference

  HW 43/77

• Decrypts of medium/low grade German naval cipher messages

  Held by

  The National Archives, Kew

  Date

  1944 Jan 31-1944 Apr 22

  Reference

  HW 18/77

• Signal from the RAF base in Algiers concerning enemy aircraft activity and administrative...

  Held by

  The National Archives, Kew

  Date

  1943 Sep 01-1943 Nov 30

  Reference

  HW 41/77

• Naval Enigma Processing Section Hut 8 weekly reports 1945

  Held by

  The National Archives, Kew

  Date

  1944 Dec 31 - 1945 May 19

  Reference

  HW 77/9

• Army and Air Force Enigma Processing Section Hut 6 weekly reports Parts I, II January...

  Held by

  The National Archives, Kew

  Date

  1944 Jan 01 - 1945 May 05

  Reference

  HW 77/1

• Army and Air Force Enigma Processing Section Hut 6 weekly reports Part III October...

  Held by

  The National Archives, Kew

  Date

  1944 Aug 07 - 1945 May 05

  Reference

  HW 77/6

• Army and Air Force Enigma Processing Section Hut 6 weekly reports Part III August...

  Held by

  The National Archives, Kew

  Date

  1944 Aug 05 - 1944 Sep 30

  Reference

  HW 77/5