Re “AM radio in your car? Don’t let Congress decide.” by Jeff Jacoby (Opinion, May 31): Electric motors and other electronic equipment in electric vehicles can be a major source of radio frequency ...

Radio astronomy, which utilizes specific radio wavelengths for celestial observations, faces severe interference from the rapidly increasing number of satellites and ground-based wireless technologies ...

The received power of GPS and Galileo navigation signals at the antenna output of a user receiver is typically extremely small, from approximately –165 up to –150 dBW, which makes them inherently ...