Funkspiel

Funkspiel (German: radio game) was a German term describing a technique of transmission of controlled information over a captured agent's radio so that the agent's parent service had no knowledge that the agent had turned, i.e. decided to work for the enemy.^[1] As it was a standard technique in radio counterintelligence and was used throughout the world.

Definition[]

The German term Funkspiel, Playbacks, the British term or the American term, G-V Game ^[2] was the transmission of controlled information over a captured agent's radio so that the agent's parent service had no knowledge that the agent had turned, i.e. decided to work for the enemy.^[3]

France[]

Captured radio operators in France were to forcibly send false messages to British intelligence.^[4]

It allowed Nazi intelligence to intercept Allied military information, convey disinformation to the enemy and actively fight resistance movements. By doing so, Nazi intelligence made the pretense of being the French resistance with a script written for the enemy by the Gestapo or the Abwehr. Operations were conducted at 84 Avenue Foch, the headquarters of the Sicherheitsdienst in Paris.

The last false message exchanged with London in this operation was: "Thank you for your collaboration and for the weapons that you sent us". However, Nazi intelligence was not aware that British intelligence knew about the stratagem for at least two weeks prior to the transmission. From May 1944 onwards the operation was not a success.

A similar Funkspiel technique called Operation Scherhorn was executed by the Soviet NKVD against Nazi secret services from August 1944 until May 1945.

Funkspiel also referred to a technique used by U-boat radio operators in which the frequency of transmission was changed consecutively to confuse Allied intelligence with the objective of picking up enemy transmission in the original channel.

References[]

^ Nigel West (31 August 2012). Historical Dictionary of Signals Intelligence. Scarecrow Press. p. 102. ISBN 978-0-8108-7187-8. Retrieved 26 May 2021.
^ Jefferson Adams (1 September 2009). Historical Dictionary of German Intelligence. Scarecrow Press. p. 123. ISBN 978-0-8108-6320-0. Retrieved 14 October 2018.
^ HW 34-2 Funkabwehr. National Archives. Kew: RSS(I). February 1946. p. 31.
^ Delarue, Jacques (1962). Histoire de la Gestapo. Les grandes Études contemporaines. Paris: Fayard. pp. 521–523. OCLC 252531600.

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[West2012-1] Nigel West (31 August 2012). Historical Dictionary of Signals Intelligence. Scarecrow Press. p. 102. ISBN 978-0-8108-7187-8. Retrieved 26 May 2021.

[2] Jefferson Adams (1 September 2009). Historical Dictionary of German Intelligence. Scarecrow Press. p. 123. ISBN 978-0-8108-6320-0. Retrieved 14 October 2018.

[3] HW 34-2 Funkabwehr. National Archives. Kew: RSS(I). February 1946. p. 31.

[4] Delarue, Jacques (1962). Histoire de la Gestapo. Les grandes Études contemporaines. Paris: Fayard. pp. 521–523. OCLC 252531600.

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