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Old 13th May 2019, 7:16 pm   #6
ChrisC18Mar
Triode
 
Join Date: Dec 2009
Location: Belfast, Northern Ireland, UK.
Posts: 20
Default Re: RAF WWII "Darkie" System

There's a paragraph about it in Google Books:
Despatch on War Operations: 23rd February 1942 to 8th May 1945 by Bomber Harris, which confirmed that it was a common system on 6440 kc/s, using TR9 or TR1196 transceivers. Quite a few references pop up with a google search, particularly from aircrew memories. James - if you come across any AP reference, it would be appreciated.
Chris
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