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.
Is it available online?
No, this record is not available online. However, you can order a copy. Other ways to view it.
Can I see it in person?
Yes, this record is held at The National Archives and is available to see in person. How to view it.
Full description and record details
-
Reference (The unique identifier to the record described, used to order and refer to it)
-
HW 13/44
-
Date (When the record was created)
-
1940 July 30-1945 Mar 26
-
Description (What the record is about)
-
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
-
Held by (Who holds the record)
- The National Archives, Kew
-
Legal status (A note as to whether the record being described is a Public Record or not)
-
Public Record(s)
-
Closure status (Whether the record is ‘open’ (available to the public) or ‘closed’ (not available due to a legal exemption))
-
Open Document, Open Description
-
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))
-
Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C5006983/
How to order it
- View this record page in our current catalogue
- Check viewing and downloading options
- Select an option and follow instructions
Series information
HW 13
Government Code and Cypher School: Second World War Intelligence Summaries Based...
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)
256 records
Within the series: HW 13
Government Code and Cypher School: Second World War Intelligence Summaries Based...
You are currently looking at the piece: HW 13/44
Analysis of German Y Service including types of German RADAR equipment; structure...
You may be interested in
-
-
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. -
Focus on
The Spycatcher affair
The book Spycatcher sparked one of the most controversial courtroom battles of the 1980s, bringing questions around state secrecy to a global audience.
Related records
Records that share similar topics with this record.