We usually think of the RTL-SDR as a low-cost alternative to a “real” radio, but this incredible project spearheaded by [Rodrigo Freire] shows that the two classes of devices don’t have to ...

There was a time when a ham radio set up sported many dials and switches ... from the fundamentals to installing everything from an SDR to many common ham programs for digital modes, APRS, SSTV ...