[GreenKeys] Keyer KY-463A?

[Ralph Irish]

Could someone photograph the item? It might be recognized that way. 

Ralph - W8ROI 

- - - - - - - - 

From: "Duncan Brown" <duncanancy at earthlink.net> 
To: greenkeys at mailman.qth.net 
Sent: Sunday, February 16, 2020 2:33:23 PM 
Subject: Re: [GreenKeys] Keyer KY-463A? 

In that it mounts in the LESU, it is probably an interface to low-level 
or MIL-188 signals. Or maybe an electronic polar relay? 

Interesting that there are two _different_ '"KY-463" units. This one is 
apparently the KY-463/FGC. But there is also KY-463/GRA that is a 
burst keyer for the AN/GRC-74. 

Have fun, 

Duncan 
K2OEQ 


On 2/16/2020 00:54, Robert Goff wrote: 
> I ended up with three of these keyers in a box of random M28 parts - 
> all of them marked DoD. Looks like they fit into the M28 LESU. 
> 
> Not much information online - anybody know what these were used for? 
> 
> Thanks and 73, 
> de Robert W7MKA 
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