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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 ...
Transmitted via Lahti radio station from 1938 to 1948, Pori shortwave station from 1948 to 1987 and finally then new Pori's shortwave center in Preiviiki district from 1987 to the end of 2006. Known before early 1970s as shortwave service of Finnish Broadcasting Company.
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.
Even President Warren G. Harding, whose May 1922 speech to the Washington, D.C. Chamber of Commerce was the first radio broadcast by a president, [94] had a radio installed in the White House. [95] The existence of early radio stations encouraged many young people to build their own crystal sets (with ear phones) to listen to the new technical ...
HRN Media (Hispanic/ Multi-Cultural Radio Network) Sun Broadcast Group; IMG Worldwide. IMG College (consisting of 76 individual radio networks) ISP Sports; MRN Radio (Motor Racing Network) MannGroup Radio Services; Music of Your Life (formerly distributed by Jones Radio Network) Northern Broadcasting System; Performance Racing Network ...
FM audio for analog television channel 6 is broadcast at a carrier frequency of 87.75 MHz, and many radios can tune this low; full-power stations ceased analog operations in 2009 under FCC orders, but a very small amount of low-power stations are still operated solely for their right to use this frequency for broadcasting an FM audio carrier ...
This is a list of radio broadcast networks. By country. Australia Public Networks ... Radio Eska - contemporary hit radio (Target Demographic 13-29) (40 local stations)
Microbroadcasting is the process of broadcasting a message to a relatively small audience. This is not to be confused with low-power broadcasting.. Microbroadcasting, in radio terms, is the use of low-power transmitters (often Title 47 CFR Part 15 in the United States, or its equivalent elsewhere) to broadcast a radio signal over the space of a neighborhood or small town. [1]