Radio

Campus radio (also known as college radio, university radio or student radio) is a type of radio station that is run by the students of a college, university or other educational institution.

Digital multimedia broadcasting (DMB) is a digital radio transmission technology developed in South Korea as part of the national IT project for sending multimedia such as TV, radio and datacasting to mobile devices such as mobile phones, laptops and GPS navigation systems.

Navtex (Navigational Telex) is an international automated medium frequency direct-printing service for delivery of navigational and meteorological warnings and forecasts, as well as urgent maritime safety information to ships.

An operational amplifier (often op-amp or opamp) is a DC-coupled high-gain electronic voltage amplifier with a differential input and, usually, a single-ended output.

Tube sound (or valve sound) is the characteristic sound associated with a vacuum tube-based audio amplifier.

SAM Broadcaster is an Internet radio broadcasting application by Spacial.

Cabot Tower is a tower in St.

DXing is the hobby of receiving and identifying distant radio or television signals, or making two way radio contact with distant stations in amateur radio, citizens' band radio or other two way radio communications.

In telecommunication, a transponder is one of two types of devices.

Radio broadcasting is a unidirectional wireless transmission over radio waves intended to reach a wide audience.

The International Amateur Radio Union (IARU) is an international confederation of national amateur radio organisations that allows a forum for common matters of concern and collectively represents matters to the International Telecommunication Union (ITU).

Radio homogenization is a trend towards similar programming within broadcast radio in the United States.