Cipher Challenge Site (Score 5, Informative)

More details on the challenge (and Colussus) can be found here : http://www.tnmoc.co.uk/cipher1.htm

At the same time as the international team receives the enciphered messages, radio amateurs around the world will be able to receive the same radio broadcasts and try their hand at decrypting it. It will be fascinating to see who completes the job first!