When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Increasing RF noise is a concern for broadcasters and other spectrum users. Sources of noise ...

A few months ago, we saw a hack where a $20 USB TV tuner was transformed into a software-defined radio capable of reading GPS signals, listening to radio transmissions between aircraft and a control ...

A periodic signal that persists indefinitely, without changing its amplitude, frequency, or Phase–a continuous wave (CW) signal–carries no information other than the fact that it is present. In order ...

One of the more interesting changes proposed by the Minority Media Telecommunications Council in its recent submittal to the FCC is for the commission to conduct tutorials on radio engineering rules ...

Passive and semipassive RFID tags do not use a radio transmitter; instead, they use modulation of the reflected power from the tag antenna. Reflection of radio waves from an object has been a subject ...