Radio astronomy has a pollution problem. Satellites thousands of kilometers overhead, designed to broadcast communications or ...

FORT JACKSON, S.C. -- Some people using garage door openers near Fort Jackson may experience problems with their remotes as local military radio systems are scheduled to transition to a new frequency ...

The mystery of fast radio bursts (FRBs) from space may be a step closer to being solved. Astronomers studying a repeating signal from a nearby galaxy have detected radiation at the lowest frequency of ...

This article originally appeared in our World’s Greatest Telescopes special issue from summer 2012. The pursuit of radio astronomy is a quest for cosmic whispers. By the time radio telescopes collect ...

If you’ve ever heard sirens screaming from nearby streets and wished you knew what was happening, there’s a simple solution: a police scanner. These devices are somewhat similar to your average radio, ...

What are harmonics in RF systems? A given signal’s second harmonic is approximately twice the given signal’s fundamental frequency. Ideally, amplifiers are expected to have zero non-linearities in the ...

By Nathan Vifflin Dec 15 (Reuters) - STMicroelectronics has shipped more than 5 billion radio-frequency antenna chips to Elon ...