Monthly Archives: February 2022

QO-100 Experiments – New QRP Transmit Up-converter

Posted on February 2, 2022 by g4hsk

I started out on QO-100 using a small home made transmit up-converter built around a number of modules available from eBay. Apart from some failed mixer boards this setup worked well for a period of 18 months or so. I … Continue reading →

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