[GreenKeys] GRC-46 RTTY demodulator on auction site

[Robert Goff]

Item #115697223506
Built for 850 cycle shift-IF input. Not identified very well in the
listing-as you'll see.

You can check out the original set in this training film:
https://www.youtube.com/watch?v=nVYF72Xn9qc
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/greenkeys/attachments/20251017/332e1989/attachment.html>