Daily Archives: February 2, 2013

DIY SDR HF Up-Converter by WA7JHZ: Another good choice for your RTLSDR.

Reader David Forsman, WA7JHZ, read the round-up of RTLSDR upconverter choices and sent me a photo and build schematic of one he designed which was featured in the January 2013 issue of QST, the ARRL‘s monthly magazine. This circuit up-converts … Continue reading

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