Signal intelligence is the most secret, and most misunderstood,
weapon in the modern espionage arsenal. As a reliable source of
information, it is unequalled, which is why Government
Communications Headquarters, almost universally known as GCHQ, is
several times larger than the two smaller, but more familiar,
organisations, MI5 and MI6. Because of its extreme sensitivity, and
the ease with which its methods can be compromised, GCHQ's
activities remain cloaked in secrecy. In GCHQ: The Secret Wireless
War, the renowned expert Nigel West traces GCHQ's origins back to
the early days of wireless and gives a detailed account of its
development since that time. From the moment that Marconi succeeded
in transmitting a radio signal across the Channel, Britain has been
engaged in a secret wireless war, first against the Kaiser, then
Hitler and the Soviet Union. Following painstaking research, Nigel
West is able to describe all GCHQ's disciplines, including
direction-finding, interception and traffic analysis, and
code-breaking. Also explained is the work of several lesser known
units such as the wartime Special Wireless Groups and the
top-secret Radio Security Service. Laced with some truly remarkable
anecdotes, this edition of this important book will intrigue
historians, intelligence professionals and general readers alike.
General
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