Focus on
Olga Gray and the Woolwich Arsenal Spy Ring
In 1938, thanks to years of work by a remarkable female agent, MI5 ensured a package of British defence plans stayed secret.
Piece
EWT to C on release of Ultra to MEW, to go via Berkeley St or SIS Apr 16; several...
Catalogue reference: HW 14/73
What’s it about?
This record is about the EWT to C on release of Ultra to MEW, to go via Berkeley St or SIS Apr 16; several... dating from 1943 Apr 11-20 in the series Government Code and Cypher School: Directorate: Second World War Policy Papers. It is held at The National Archives, Kew.
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Full description and record details
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Reference (The unique identifier to the record described, used to order and refer to it)
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HW 14/73
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Date (When the record was created)
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1943 Apr 11-20
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Description (What the record is about)
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EWT to C on release of Ultra to MEW, to go via Berkeley St or SIS Apr 16; several versions of paper from Gp Capt Winterbotham at HQ to EWT and SIS on organisation and duties of SLUs Apr 13-16; Welchman to EWT on case for retaining experienced officers inFusion Room Apr 14; more on new BBC frequencies, Sayer informs Chairman YC which ones will interfere with BP target frequencies Apr 16; compromise of BP location in signals going overseas Apr 12; comms deception plan for non-existent divisions in UK, BP sends paper to Offices of the War Cabinet Apr 16; Sayer to MI-8 Apr 18 listing totals of Army Sigint positions inclusive of latest Sigint expansion Apr 18; HAS to Macgregor on AS requirements within Block F with attached charts of required layout Apr 13; new German Army broadcast on Western Front, possibly associated with German anti-invasion measures Apr 15; detailed report by Col JH Tiltman on progress against Italian military cyphers as at Apr 16; liaison with WO and AM; correspondence between Acting Director CBME Dryden and both EWT and AGD, also BP with 380 WU Algiers, exchanges between Director CBME Col Jacob, now in AS BP and Acting Director Dryden Apr 16-17; BP liaison with Kilindini and Merry in Melbourne; BP liaison with Washington; AM to HAS on proposed distribution of AS BMP report Apr 18; Intelligence Assault Units to obtain Axis material for GCCS Apr 11, Apr 17 AD (S) asks Heads of Sections for relevant tasking; Hut 3 report on dissemination of Sigint to battle commanders for Operation Husky, probably planned Allied invasion of Sicily and Italy Apr 13; Army Weekly Sigint Report from N Africa for Apr 10-16 with comments from EWT to C; GSI (s) GHQ to MI-8 requesting increase in establishment of operators for 1 SW Group Apr 11; comments from GSI (s) on MI-8 proposals for developments in Army Sigint Apr 14
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Held by (Who holds the record)
- The National Archives, Kew
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Legal status (A note as to whether the record being described is a Public Record or not)
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Public Record(s)
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Open Document, Open Description
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Subjects (Categories and themes found in our collection (our subject list is under development, and some records may have no subjects or fewer than expected))
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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C5317590/
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Series information
HW 14
Government Code and Cypher School: Directorate: Second World War Policy Papers
See the series level description for more information about this record.
Catalogue hierarchy
Over 27 million records
This record is held at The National Archives, Kew
17,110 records
Within the department: HW
Records created or inherited by Government Communications Headquarters (GCHQ)
165 records
Within the series: HW 14
Government Code and Cypher School: Directorate: Second World War Policy Papers
You are currently looking at the piece: HW 14/73
EWT to C on release of Ultra to MEW, to go via Berkeley St or SIS Apr 16; several...
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