The searchers: radio intercept in two world wars
- London: Cassell Military, 2004
- 288p.
The first detailed account of Britain's Y Service - the branch of intelligence dedicated to finding wireless transmissions. Without Y Service there would have been nothing for the codebreakers to work on and products such as Ultra and Magic would not have existed.
030436651X (pbk.): 6.99 GBP
FIRST WORLD WAR RADIO INTERCEPTION SECOND WORLD WAR SIGNALS INTELLIGENCE GATHERING WIRELESS COMMUNICATION Y SERVICE