The Sigint Secrets: The Signals Intelligence War 1900 to Today Including the Persecution of Gordon Welchman (1988) By Nigel West
 
Traces the history of British signals intelligence and the British Government Communications Headquarters, and discusses spying techniques.
 
Offering few anecdotal examples or representative characters, & concentrating on procedures of direction-finding, message interception, traffic analysis & code-breaking, this authoritative study by the European editor of Intelligence Quarterly focuses on the development of British systems of interception & analysis.
 
West demolishes convincingly the widely held myth that the Allies solved the secret of the German Enigma coding machine early in the war & explains why British & American intelligence authorities have gone to extraordinary lengths to perpetuate that myth. The author then relates the grim story of Gordon Welchman, a British SIGINT ace who was hounded after publishing his memoirs which, in the view of the British Government Communications Headquarters & the US National Security Agency, threatened to expose the truth about Enigma.
 
Hard Cover with Dust Cover
347 Pages
In Poor condition- Spine has become detatched