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Traffic Identification Section Hut 6

1939/1945

Bletchley Park

Bletchley Park
Milton Keynes, United Kingdom

The Traffic Identification Section in Hut 6 was known as the 'Duddery'. The Duddery was where unsuccessfully deciphered
messages were identified and analysed.
A "Dud" was a message which had not deciphered on its assumed key, usually because of a faulty message or discriminant setting.

Details

  • Title: Traffic Identification Section Hut 6
  • Date: 1939/1945
  • Location: Bletchley Park
  • Rights: Crown Copyright. By kind permission Director GCHQ

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