Modern SDRs evolve from configurable platforms into intelligent wideband sensing systems combining high dynamic range, ...

When the first USB DTV receivers came out with tuners covering 54–806 MHz, I wondered if any of them could be modified into an inexpensive spectrum analyzer. Thanks to RealTek and some Linux kernel ...

For institutions, organizations and individuals operating applications using RF, it can be very important to know who and what is making use of the spectrum. Related To: Per Vices Corp. The ...

In 1976, two shaggy-haired college dropouts founded a company called Apple to manufacture personal computers. The company’s prospects looked so poor that the third co-founder relinquished his 10 ...

In its ongoing balancing act to apportion coveted access to the increasingly crowded electromagnetic spectrum, the Defense Department is aiming its attention at software-based solutions and management ...

Aiming to finalise the commercialisation of its universal spectrum multiplier (USM) open radio access networks (Open RAN) software for 4G, 5G and emerging 6G mobile networks, Cohere Technologies has ...

The U.S. military is moving an advanced radio-frequency mapping capability from the laboratory into the hands of warfighters. Developed by the Defense Advanced Research Projects Agency, the technology ...

My article “GNU Radio: Tools for Exploring the Radio Frequency Spectrum” [LJ, June 2004] provides an overview of how the GNU Radio system works and discusses a couple hardware options for getting the ...