[NLRS] Working memory keyer for sale?

[Richard Clem]

It's a little bit bigger than 3/4" x 1", but on my blog, I recently had the
1935 version of the memory keyer.  All you need is an old motor, some relay
contacts, and some extra time on your hands:

http://onetuberadio.com/2015/09/27/1935-memory-keyer/

73,
Rick W0IS


> Tehre was a paper at CSVHF probably a decade ago about using a PIC chip 
> custom programmed for a beacon keyer. Makes the message relatively 
> fixed, but cheap and simple.The circuit board was about 3/4" x 1" with 
> through hole parts.
> 
> In any case protect the keyer with a sturdy zener diode on the supply 
> wire and on the keying output so it can't see over voltage or reversed 
> polarity for longer life at the beacon site.
> 
> 73, Jerry, K0CQ
>