[R-390] Interesting Link Vietnam NSA released report

[DJED1 at aol.com]

I found it a fascinating read.  Apparently much of the North  Vietnamese 
communication was encrypted CW, accounting for the large numbers of  R-390s and 
intercept operators needed in that time period. Today it seems  strange to read 
about all the manual effort required to encode, intercept,  decrypt and 
disseminate the information.  But it was 40 years ago  (ouch!-seems just like 
yesterday). I did see a mention of R-392s being used  for mobile intercept stations. 
 
Strange that some classified paragraphs were released, while others are  gone 
altogether.
Ed



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