[Elecraft] K2 accessories for sale

I'm going back to QRP and selling my KPA100 and KAT100. The PA and ATU are built into the same EC2 enclosure to match the K2. They are well built (although I say it myself!) and have performed exactly as per spec. As the faithful companions of K2 no 4185 they have netted some good DX, and are a

Re: [Elecraft] K2 - Rsspy sound on CW

Jerry, I had exactly the same problem. The culprit is probably the small choke RFC15 under U4. When you bend the leads to take up that odd form between the pins, it's very easy to break the internal connection, and the effect is just as you describe. If you haven't got the correct value handy, try

[Elecraft] KIO2 help!

Having just completed the KIO2 module, I discovered that the onboard oscillator doesn't. I've isolated it, had it apart twice, checked all components and pcb lands, replaced the FET even though my analyser said it was OK. The FET is running very hot, perhaps 50 deg C. If I inject the required

[Elecraft] K2 #4185 is on the air!

After about six weeks of concentrated soldering, winding, tinning, headscratching and troubleshooting, K2 no. 4185 is up and running, with contacts both on ssb and cw. The satisfaction (and relief!) of this is slightly tempered by the thought that there isn't any more building for me to do! How