GCHQ : Frontline Books : 9781526755780 : 1526755785 : 30 Nov 2019 : "Nigel West is an acknowledged expert in this field of literature and his latest book is fascinating and intriguing." ? Books MonthlySignal intelligence is the most secret, and most misunderstood, weapon in the modern espionage arsenal. As a reliable source of information, it is unequaled, which is why Government Communications Headquarters, almost universally known as GCHQ, is several times larger than the two smaller, but more familiar, organizations, 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 1900-1986, 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 w