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ULTRA
Top Secret Ultra
- this page is a stub
Ultra
— or
Top Secret Ultra
— was the designation used from 1941 onwards by British military intelligence for signals intelligence derived from breaking high-level encrypted enemy radio and teleprinter communications at the
Government Code & Cipher School (GC&CS)
(later:
GCHQ
) at
Bletchley Park (BP)
. The work included the handling of traffic originated on the
Enigma cipher machine
, but also
T-52 Geheimschreiber (STURGEON)
,
Lorenz SZ-40/42 (TUNNY)
and others.
References
Wikipedia,
Ultra
Retrieved January 2020.
Further information
GCHQ
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© Crypto Museum. Created: Thursday 16 January 2020. Last changed: Thursday, 16 January 2020 - 01:01 CET.