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Old 18th Nov 2006, 07:55
  #970 (permalink)  
Pontius Navigator
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Originally Posted by ORAC
But the Vulcan relied a lot on the range calls by GCI to know when to start the turn. .....
ORAC very true, but when I did a quick survey of Vulcan crews in the late 60s there were about 20-25% that had a Russian speaker on board. Given that there were only 4 GCI freqs this was not necessarily rocket science.

During WW2 the Luftwaffe used a call Emil Emil. The Y-service soon deduced that this was exactly the same as Tally and later Judy.
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