[GreenKeys] AN/UGC-20B compact 28KSR oddball

[Nick England]

For your amusement and edification, the AN/UGC-20B manual is now at
https://www.navy-radio.com/manuals/tty/ugc20b-170-4010-7706.pdf

Nick England K4NYW
www.navy-radio.com


On Wed, Dec 6, 2023 at 4:50 PM Nick England <navy.radio at gmail.com> wrote:

> Does anyone have a “B” model?
> It looks like a regular compact 28KSR (AN/UGC-20 or 20A), except……
> It has a photoelectric keyboard and distributor like the TEMPEST AN/UGC-77
> but also includes an internal keyer card so it will key a 60ma loop (or
> output a 1.5v/70uA signal).
> So no +/-6v low level signaling capability.
>
> I just received the manual and will scan and post it in a few days.
>
> Verrrry Interesting…….
>
>
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