In those days, it wasn’t uncommon to find RTL-SDR compatible devices for less than $10 from import sites. Opening up a contemporary RTL2832U+E4000 receiver, we can see they were relatively ...
Even though not every Hackaday reader is likely to be a radio enthusiast, it’s a fair guess that many of you will have experimented with an RTL-SDR USB dongle by now. These super-cheap devices ...