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Even if a live person is present, the automation system at commercial stations usually picks the music ahead of time out of the current rotation, thus the DJ becomes only an announcer. Heavy rotation or power rotation is a list of songs that get the most airplay on a radio station. Songs in heavy rotation will be played many times in a 24-hour ...
Radio broadcasting is the broadcasting of audio (sound), sometimes with related metadata, by radio waves to radio receivers belonging to a public audience. In terrestrial radio broadcasting the radio waves are broadcast by a land-based radio station , while in satellite radio the radio waves are broadcast by a satellite in Earth orbit.
Early radio stations served as basic communication systems, transmitters of messages that were meant to facilitate commerce and protect the health and well being of U.S. Citizens. [2] Ships with more than 60 passengers were required to have transmitting equipment. [2] Title 47 is the bible of radio broadcasting.
Broadcast automation incorporates the use of broadcast programming technology to automate broadcasting operations. Used either at a broadcast network , radio station or a television station , it can run a facility in the absence of a human operator .
Also AM radio or AM. Used interchangeably with kilohertz (kHz) and medium wave. A modulation technique used in electronic communication where the amplitude (signal strength) of the wave is varied in proportion to that of the message signal. Developed in the early 1900s, this technique is most commonly used for transmitting an audio signal via a radio wave measured in kilohertz (kHz). See AM ...
A radio band is a small frequency band (a contiguous section of the range of the radio spectrum) in which channels are usually used or set aside for the same purpose. To prevent interference and allow for efficient use of the radio spectrum, similar services are allocated in bands.
A radio net is three or more radio stations communicating with each other on a common channel or frequency. [1] A net is essentially a moderated conference call conducted over two-way radio, typically in half-duplex operating conditions.
There are two types of radio network currently in use around the world: the one-to-many (simplex communication) broadcast network commonly used for public information and mass-media entertainment, and the two-way radio (duplex communication) type used more commonly for public safety and public services such as police, fire, taxicabs, and delivery services.