In the late 1800s a German physicist named Heinrich Hertz created radio waves in the laboratory. A century later, we are still expanding upon Hertz’s discovery. Radio waves make possible all wireless ...

Frequency response may well be one of the most misunderstood and frequently abused speaker specifications that any consumer has to deal with. An Axiom customer emailed me with the following query: ...

Frequency response is defined as: A measure of the effectiveness with which a circuit, device, or system transmits the different frequencies applied to it. It is a phasor whose magnitude is the ratio ...

My friend, John Piliounis, a Planet Analog blogger with shortwave call-sign SV1OCS, wrote an intriguing article on the Spectrum Monitor in May 2017 entitled DRM—Digital Radio Mondiale: Spectrum within ...