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 be mutually ...

Even if you haven’t used one, you’ve probably seen the numerous projects with the inexpensive RTL-SDR USB dongle. Originally designed for TV use, the dongle is a software defined radio that many have ...

Amateur radio - also called ham radio - operators were dealt a treat this weekend, when Russians aboard the ISS communicated with Earthlings. And one first-time enthusiast received a welcome surprise ...