The fin on top of a car is called a shark fin antenna. It handles a surprising amount of tech, including the radio, GPS, ...

Car radar systems work just like police radar guns, sending out a radio signal and detecting how that signal gets bounced back. Both radar systems use Doppler shift to figure out the speed of the ...

That means a car radio receiving HD radio signals can get more listening options on a single broadcasting frequency. In Washington's 88.5 WAMU station, for example, ...

Seattle Post-Intelligencer Logo. Entertainment // TV. Radio Beat: Attention turns to car radio signals ...

In the case of FM radio, the conductive thing can simply be a metal rod, and, ideally, its length should match the wavelength of an FM signal, which, at about 100 Mhz, comes to around a wavelength ...

Radio frequency signals are widely used in everyday life such as in garage door openers, car key fobs and, of course, radios. Because the radio spectrum is used for so many different purposes, it ...

Markey sent out a letter advocating for AM radio to remain in new car models, even EVs. AP Photo/Patrick ... back as 2016 about how the battery power of an EV can interfere with AM radio signals.