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Piece
Technical correspondence concerning enemy cryptographic and communications usage...
Catalogue reference: HW 8/95
What’s it about?
This record is about the Technical correspondence concerning enemy cryptographic and communications usage... dating from 1945 Jan 01-1945 Dec 14 in the series Government Code and Cypher School: Naval Section: Reports, Working Aids and Correspondence. 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 8/95
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Date (When the record was created)
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1945 Jan 01-1945 Dec 14
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Description (What the record is about)
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Technical correspondence concerning enemy cryptographic and communications usage from N.S.11, later N.S.V.
The reports are based on Japanese communications except for some German (numbers 12, 13, 17, 19, 21, 22, 23, 37, 42, 44, 46 (2nd version) and 61) and one Spanish report (No. 62).
- No. 13 Cypher equipment of u-boats.
- No. 17 German cypher security.
- No. 46 (2nd version) Developments in the German naval machine cypher situation.
- No. 61 Contraction and closing of German naval W/T services in the period 2nd May - 5th June 1945.
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Note (Additional information about the record)
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Numbers 167, 179, 202, 220, 234, 252, 253, 264, 285, 286, 289, 307 and 382 missing at transfer.
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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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Access conditions (Information on conditions that restrict or affect access to the record)
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Retained Until 2002
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Closure status (Whether the record is ‘open’ (available to the public) or ‘closed’ (not available due to a legal exemption))
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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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- Topics
- Intelligence
- Navy
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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C11079143/
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Series information
HW 8
Government Code and Cypher School: Naval Section: Reports, Working Aids and Correspondence
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)
181 records
Within the series: HW 8
Government Code and Cypher School: Naval Section: Reports, Working Aids and Correspondence
You are currently looking at the piece: HW 8/95
Technical correspondence concerning enemy cryptographic and communications usage...
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