Ralf, just make up a simple interface between your K3 keying and the keying input of your SB-200 or look for one of those interfaces that Yaesu had available and I believe that Ameritron offers one as well. Fern VE7GZ
----- Original Message ----- From: "Ralph Parker" <[EMAIL PROTECTED]> To: <elecraft@mailman.qth.net> Sent: Saturday, November 22, 2008 5:26 PM Subject: [Elecraft] K3: Keying SB-200 I'm just about to connect the KEY OUT to the SB-200 relay. I hope the little transistor in the K3 can take it! VE7XF _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com