I use a board sold by W3YY for interfacing RTTY/PTT/CW. I also built into the box housing a 12 V fan out for P3/PR6 and AUX and plug the main into the K3 12 V ACC. Also D connector for the PR6 connection and another D connector for band out data to a DX Eng antenna switch. Made a nice package and makes jumping modes quick CW/RTTY/PSK/ quick. I am really pleased with the W3YY board using optical isolators. 73 Mike K4PI ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected]
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