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NBC String Quartet
The National Broadcasting Company (NBC) is an American English-language commercial broadcast television and radio network. The flagship property of the NBC Entertainment division of NBCUniversal, a division of Comcast, its headquarters are located at Comcast Building in New York City. The company also has offices in Los Angeles at 10 Universal City Plaza and Chicago at the NBC Tower. NBC is the oldest of the traditional "Big Three" American television networks, having been formed in 1926 by the Radio Corporation of America. NBC is sometimes referred to as the "Peacock Network," in reference to its stylized peacock logo, introduced in 1956 to promote the company's innovations in early color broadcasting. NBC has twelve owned-and-operated stations and nearly 200 affiliates throughout the United States and its territories, some of which are also available in Canada and Mexico via pay-television providers or in border areas over the air. NBC also maintains brand licensing ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Radio Network
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. Cell phones are able to send and receive simultaneously by using two different frequencies at the same time. Many of the same components and much of the same basic technology applies to all three. The two-way type of radio network shares many of the same technologies and components as the broadcast-type radio network but is generally set up with fixed broadcast points (transmitters) with co-located receivers and mobile receivers/transmitters or transceivers. In this way both the fixed and mobile radio units can communicate with each other over broad geographic regions ranging in size from small single cities to entire states/prov ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
