[GreenKeys] Aydin FSK Demodulator Model 380

[Keith Densmore]

Greetings All,
Several years ago I acquired what appears to be the mother of all
converters called an Aydin FSK Demodulator model 380. The thing is massive,
rack width and about 20 inches in depth. I removed the top cover and it
consists of a mother board with at least 20 daughter boards installed. The
guy I got it from claimed it was developed for three letter agencies to
copy North Korean  TTY traffic. Never seen, heard or can I find any info on
this unit. Anyone  got some insights?  If anyone knows, it will be you
folks.  Check the pix attached.
73,
Keith ve3gem
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