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Satellite Radio Guide For Novice Users - Articles Surfing
A satellite radio or subscription radio (SR) is a digital radio that receives signals broadcast by communications satellite that covers a much wider geographical range than normal radio signals.
The satellite radios function anywhere there is line of sight between the antenna and the satellite, given there are no major obstructions, such as tunnels or buildings. SR audiences can follow a single channel regardless of location within a given range.
As the technology requires access to a commercial satellite for signal propagation, SR services are commercial business entities (not private parties), which offer a package of channels as part of their service 'requiring a subscription from end users to access its channels.
The satellite radios use the 2.3GHz S band in North America, and generally shares the 1.4GHz L band with local Digital Audio Broadcast (DAB) stations elsewhere. It is a type of direct broadcast satellite, and is strong enough that it requires no satellite dish to receive. Curvature of the Earth limits the reach of the signal, but due to the high orbit of the satellites, two or three are usually sufficient to provide coverage for an entire continent.
Presently, the main radio satellite service provider in Europe, Asia and Africa is WorldSpace. WorldSpace has its own satellites covering most of Europe, Asia and Africa.
XM Satellite Radio and Sirius Satellite Radio are the two radio satellite gains in the United States and entire North America. A monthly fee is charged for both services. Sirius offers a one time fee plan of nearly $500 valid for the lifetime of the equipment. These offer the news, weather, sports, and several music channels.
The Canadian Radio-television and Telecommunications Commission (CRTC) commenced the Canada's first satellite radio operations on November 1, 2004.
Copyright © 1995 - Photius Coutsoukis (All Rights Reserved).
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