Record revealed
Japanese Instrument of Surrender, 1945
After six years of brutal global conflict, this document marked the end of the Second World War.
Piece
Analysis of German Y Service including types of German RADAR equipment; structure...
Catalogue reference: HW 13/44
What’s it about?
This record is about the Analysis of German Y Service including types of German RADAR equipment; structure... dating from 1940 July 30-1945 Mar 26 in the series Government Code and Cypher School: Second World War Intelligence Summaries Based.... 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 13/44
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Date (When the record was created)
- 1940 July 30-1945 Mar 26
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Description (What the record is about)
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Analysis of German Y Service including types of German RADAR equipment; structure and locations of GAF Commands, Oct 1940; interest in BBC transmissions, 1940; German cryptanalysis of British codes and cyphers, July 1942; DF (Direction Finding) activities in Western Europe, Dec 1942; interest in RAF cypher traffic Mar 1943; German Naval Y Service, May 1943; inter-service cooperation in Y Service reporting; Mihailovitch's field cyphers being read Aug 1943; information on Allied convoys passed to U-boats, Oct 1943; interception and analysis of Allied Coastal Command traffic; German Naval Y Service successes against Allied communications Oct 1943; security of British Army communications, Oct 1943; successes against USAAF Bomber and Fighter Command, April 1944; Naval Y intelligence in Home Area; exploitation of Allies' communications in West, Sept 1944; Central German Cryptographic organisation, Aug 1944; German Police messages referring to DF operations against agents, Aug 1944; GAF Y Service cyphers; GAF Y Service Order of Battle, Oct 1944; Y service reports on USAAF bombing raids, Oct 1944; GAF RADAR, Oct 1944; analysis of US Air Force, Oct 1944; GAF night fighting methods, Dec 1944; German Sigint Organisation
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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)
- Public Record(s)
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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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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C5006983/
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Series information
HW 13
Government Code and Cypher School: Second World War Intelligence Summaries Based...
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Analysis of German Y Service including types of German RADAR equipment; structure...
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