I took some time out from the K1 to build a keyer interface cable, so that I can generate CW from my PC. The simple design (from Ralph WB8DQT) worked first time. I used a BF199 transistor and a 1N4001 diode instead of the components shown on Ralph's website.
After some off-air tests, I made my first 2-way-computer-assisted-CW QSO with 4N0NS, a special event station in Serbia.
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