Topband: KD9SV-OK1RR relays ???

[Jim Brown]

On Sun,8/30/2015 7:32 AM, Larry wrote:
> Measures (K6???) did a relay speed-up scheme for QSK on an SB220, I 
> don't remember the details but it was something like hitting the relay 
> with higher than usual coil voltage/current and it shortened up the 
> relay pull-in time.

My neighbor, Bob Wolbert, K6XX, has worked for Elecraft for several 
years. Many years ago, he published a circuit like what you're 
describing. He credits it to Tony, K1KP.

http://www.k6xx.com/radio/fastrely.pdf

http://www.k6xx.com/ikanrite.html#fastrely

73, Jim K9YC