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
Decrypts of GAF medium and low grade cypher messages
Catalogue reference: HW 5/736
What’s it about?
This record is about the Decrypts of GAF medium and low grade cypher messages dating from 1944 Oct 15-21 in the series Government Code and Cypher School: German Section: Reports of German Army and Air.... 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)
- HW 5/736
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Date (When the record was created)
- 1944 Oct 15-21
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Description (What the record is about)
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Decrypts of GAF medium and low grade cypher messages
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Held by (Who holds the record)
- The National Archives, Kew
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Former department reference (Former identifier given by the originating creator)
- FABLE 537-539, 541-544, 546, 547
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Legal status (A note as to whether the record being described is a Public Record or not)
- Public Record(s)
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Access conditions (Information on conditions that restrict or affect access to the record)
- Retained Until 1999
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Closure status (Whether the record is ‘open’ (available to the public) or ‘closed’ (not available due to a legal exemption))
- 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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- Topics
- Intelligence
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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C6028432/
Series information
HW 5
Government Code and Cypher School: German Section: Reports of German Army and Air...
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)
768 records
Within the series: HW 5
Government Code and Cypher School: German Section: Reports of German Army and Air...
You are currently looking at the piece: HW 5/736
Decrypts of GAF medium and low grade cypher messages
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