Radio Broadcasting
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Radio broadcasting | This article includes a list of references, but its sources remain unclear because it has insufficient inline citations. Please help to improve this article by introducing more precise citations. (November 2008) |
| The examples and perspective in this article deal primarily with the United States and do not represent a worldwide viewof the subject. Please improve this article and discuss the issue on the talk page. (December 2010) |
Long wave radio broadcasting station, Motala, Sweden
Broadcasting tower in Trondheim, Norway
"On air" redirects here. For other uses, see On air (disambiguation).
Radio broadcasting is a one-way wireless transmission over radio waves intended to reach a wide audience. Stations can be linked in radio networks to broadcast a common radio format, either in broadcast syndication or simulcast or both. Audio broadcasting also can be done via cable radio, local wire television networks,satellite radio, and internet radio via streaming media on the Internet.
The signal types can be either analog audio or digital audio.
Amateur radio (also, ham radio) is a form of radio broadcasting that is the private use of designated radio bands, for purposes of private recreation, non-commercialexchange of messages, experimentation, self-training, and emergency communication.[1] Contents [hide] * 1 History * 2 Types * 2.1 Shortwave * 2.2 AM * 2.3 FM * 2.4 Pirate radio * 2.5 Terrestrial digital radio * 2.6 Satellite * 3 Program formats * 4 See also * 5 References * 6 Further reading * 7 External links |
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[edit]History
Main article: History of radio
The earliest radio stations were simply radiotelegraphy systems and did not carry audio. The first claimed audio transmission that could be termed a broadcastoccurred on Christmas Eve in 1906, and was made by Reginald
Radio broadcasting | This article includes a list of references, but its sources remain unclear because it has insufficient inline citations. Please help to improve this article by introducing more precise citations. (November 2008) |
| The examples and perspective in this article deal primarily with the United States and do not represent a worldwide viewof the subject. Please improve this article and discuss the issue on the talk page. (December 2010) |
Long wave radio broadcasting station, Motala, Sweden
Broadcasting tower in Trondheim, Norway
"On air" redirects here. For other uses, see On air (disambiguation).
Radio broadcasting is a one-way wireless transmission over radio waves intended to reach a wide audience. Stations can be linked in radio networks to broadcast a common radio format, either in broadcast syndication or simulcast or both. Audio broadcasting also can be done via cable radio, local wire television networks,satellite radio, and internet radio via streaming media on the Internet.
The signal types can be either analog audio or digital audio.
Amateur radio (also, ham radio) is a form of radio broadcasting that is the private use of designated radio bands, for purposes of private recreation, non-commercialexchange of messages, experimentation, self-training, and emergency communication.[1] Contents [hide] * 1 History * 2 Types * 2.1 Shortwave * 2.2 AM * 2.3 FM * 2.4 Pirate radio * 2.5 Terrestrial digital radio * 2.6 Satellite * 3 Program formats * 4 See also * 5 References * 6 Further reading * 7 External links |
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[edit]History
Main article: History of radio
The earliest radio stations were simply radiotelegraphy systems and did not carry audio. The first claimed audio transmission that could be termed a broadcastoccurred on Christmas Eve in 1906, and was made by Reginald
References: [edit]Terrestrial digital radio Digital radio broadcasting has emerged, first in Europe (the UK in 1995 and Germany in 1999), and later in the United States, France, the Netherlands, South Africa and many other countries worldwide