Cryptograms and Teleprinter Messages Between Portugal and Biafra in 1969

Frode Weierud recently published a number of cryptograms and other 
teleprinter messages that were sent over a shortwave radio link 
operating between Lisbon, Portugal and the rebel state Biafra in 
Nigeria in August and October 1969.

https://cryptocellar.org/Biafra/index.html


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