[GreenKeys] Photoelectric keyboard & distributor - M28 Compact

[Nick England]

 I am also looking for specifications 50546S and 50547S which cover how to
convert an AN/UGC-20 to photoelectric operation like the UGC-77.
The mod kit is Teletype 334438 (Navy MK-1625/U)
The Navy numbers for these specifications are
NAVSHIPS 0967-LP-438-8010
NAVSHIPS 0967-LP-438-8020

You can see the UGC-77 photoelectric mechanism at
http://www.navy-radio.com/tty/ugc77.htm

cheers,
Nick England K4NYW
www.navy-radio.com
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