[GreenKeys] CV-89 FSK Converter

[Mark Cooper]

Here's an oldie but goodie !
See here:
https://www.ebay.com/itm/Vintage-US-Navy-CV-89-URA-8A-TTY-Frequency-Shift-Converter/142013656659?hash=item2110ac6e53:g:DdAAAOSwLnBXUaos

73 Mark, WN3SIX
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/greenkeys/attachments/20190323/73f1d9e8/attachment.html>