[GreenKeys] UGC-123 on EBay

[Nick England]

FWIW
There is a compact 28KSR on eBay. Just note that the book says the UGC-123
is like a UGC-77. That means it is a TEMPEST unit with photoelectric
keyboard and distributor which requires an external ESA to provide +/-6v
low level signaling.
The same seller has a UGC-77 which includes the ESA but this 123 evidently
does not.  Also the book says the 123 includes a 50Hz synchronous motor.

Don’t know the seller but just be aware this is not your average 28KSR.
-- 
Nick England K4NYW
www.navy-radio.com
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