Measuring the performance of antennas in absolute terms that can involve a lot of expensive equipment and specialized facilities. For practical applications, especially when building antennas, ...

In the old days, if you wanted to listen to police, fire, or other two-way radio users, you didn’t need much more than a simple receiver. Today, you are more likely to need something a little more ...

Traditionally, working with RTL-SDR required a deep understanding of radio frequency (RF) principles and a significant investment in sourcing compatible components. This complexity often posed a ...

Electronic enthusiasts searching for a way to listen to radio broadcasts via an Ethernet connection may be interested in a new piece of hardware created by developer Kazunori Miura in the form of the ...

In my last column I described measurements I made on some indoor TV antennas. The “Spectrum Spy” software and Airspy SDR I used for those measurements can also be used as part of a very portable, ...