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  Signals concerned with the interception of Middle East and North African communications

  Signals concerned with the interception of Middle East and North African communications

  Held by

  The National Archives, Kew

  Date

  1944 Mar 01 - 1944 Apr 30

  Reference

  HW 68/4

• Catalogue level

  Piece

  Cryptographic Co-ordination and Records Centre. A description of the small section...

  Cryptographic Co-ordination and Records Centre. A description of the small section responsible for maintenance of central records of cipher systems worked by GC&CS

  Held by

  The National Archives, Kew

  Date

  1942 Sep 01 - 1945 Jun 08

  Reference

  HW 50/68

• Catalogue level

  Piece

  Enemy exploitation of Naval codes and cyphers: miscellaneous: reports and correspondence

  Enemy exploitation of Naval codes and cyphers: miscellaneous: reports and correspondence

  Held by

  The National Archives, Kew

  Date

  1942 Aug 10 - 1947 May 20

  Reference

  HW 40/68

• Catalogue level

  Piece

  Commercial reports

  Commercial reports

  Held by

  The National Archives, Kew

  Date

  1940 Nov 28-1940 Nov 30

  Reference

  HW 29/68

• Catalogue level

  Piece

  Signals concerned with the interception of Middle East and North African communications

  Signals concerned with the interception of Middle East and North African communications

  Held by

  The National Archives, Kew

  Date

  1943 Nov 02 - 1943 Dec 31

  Reference

  HW 68/2

• Catalogue level

  Piece

  Signals concerned with the interception of Middle East and North African communications

  Signals concerned with the interception of Middle East and North African communications

  Held by

  The National Archives, Kew

  Date

  1944 Oct 01 - 1944 Dec 31

  Reference

  HW 68/7

• Catalogue level

  Piece

  Signals concerned with the interception of Middle East and North African communications

  Signals concerned with the interception of Middle East and North African communications

  Held by

  The National Archives, Kew

  Date

  1944 Aug 01 - 1944 Sep 30

  Reference

  HW 68/6

• 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 Aug 06

  Reference

  HW 52/68

• Catalogue level

  Piece

  Reports of decrypts of Japanese military attachés messages

  Reports of decrypts of Japanese military attachés messages

  Held by

  The National Archives, Kew

  Date

  1944 Nov 24-1944 Nov 29

  Reference

  HW 35/68

• Catalogue level

  Piece

  France: military; air; general

  France: military; air; general

  Held by

  The National Archives, Kew

  Date

  1928 Dec 01-1932 Dec 09

  Reference

  HW 2/68

• Catalogue level

  Piece

  CBME involvement with Special Operations Executive (SOE) operation Scorpion

  CBME involvement with Special Operations Executive (SOE) operation Scorpion

  Held by

  The National Archives, Kew

  Date

  1943 Jan 23 - 1943 Jul 05

  Reference

  HW 51/68

• Catalogue level

  Piece

  Naval Section Watch Log. The watch maintained 24 hour duty and was responsible for...

  Naval Section Watch Log. The watch maintained 24 hour duty and was responsible for immediate reporting to the Admiralty as well as for out-of-hours coordination.

  Held by

  The National Archives, Kew

  Date

  1941 Jan 12-1941 May 28

  Reference

  HW 8/68

• Catalogue level

  Piece

  Japanese naval decrypts

  Japanese naval decrypts

  Held by

  The National Archives, Kew

  Date

  1944 Jan 07-1944 Jan 08

  Reference

  HW 23/68

• 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 27 1942-Mar 3 1942

  Reference

  HW 5/68

• Catalogue level

  Piece

  EWT's 4 pages of comments on DMI's letter of Jan 29 to Chairman of Y Board on way...

  EWT's 4 pages of comments on DMI's letter of Jan 29 to Chairman of Y Board on way forward for UK Sigint, paper by EWT on control of static Sigint stations by GCCS Feb 23; AD (S) to C with two BP reports on Abwehr recce unit operations in North Africa…

  Held by

  The National Archives, Kew

  Date

  1943 Feb 21-28

  Reference

  HW 14/68

• Catalogue level

  Item

  Stockholm; Proposal that "CROAT" should accept employment in the British Legation.

  Stockholm; Proposal that "CROAT" should accept employment in the British Legation.

  Held by

  The National Archives, Kew

  Date

  1943 Dec 17

  Reference

  HW 15/13/68

• Catalogue level

  Item

  San Francisco: Discussion of telephone numbers in connection with an unnamed individual.

  San Francisco: Discussion of telephone numbers in connection with an unnamed individual.

  Held by

  The National Archives, Kew

  Date

  1944 July 13

  Reference

  HW 15/30/68

• Catalogue level

  Item

  New York: Text in English of possible telegram regarding American presidential election.

  New York: Text in English of possible telegram regarding American presidential election.

  Held by

  The National Archives, Kew

  Date

  1944 May 18

  Reference

  HW 15/22/68

• Catalogue level

  Item

  Washington: (Report from MURPHY.)

  Washington: (Report from MURPHY.)

  Held by

  The National Archives, Kew

  Date

  1943 Nov 24

  Reference

  HW 15/49/68

• Catalogue level

  Item

  Moscow: (Specifications for order of equipment.)

  Moscow: (Specifications for order of equipment.)

  Held by

  The National Archives, Kew

  Date

  1943 Mar 31

  Reference

  HW 15/53/68