SATELLITE RADIO

CONTENTSWhat is satellite RadioHistoryCurrent ProvidersHow Does It WorksSirius Satellite RadioXM Satellite RadioAdvantagesDisadvantagesConclusion

What Is Satellite Radio?●Satellite Radio is digital radio that receives signals from a broadcast communication satellite.●Functions in any place if there is a line of sight between the antenna and the satellite●Requires access to a commercial satellite for signal propagation●Services are commercial business entity that offers packages of channels as part of service●Requires a subscription from end users

History●Sirius Radio began in 1990, while XM Radio started up in 1992. ●Starting in the early 21st century, when satellite radio hookups became more feasible, the competition between these two companies became fierce. ●The competition ended in 2007, when Sirius bought out XM Radio.●The two major satellite radio providers in the United States, Sirius Radio and XM Radio, began operations in the early 1990s.

Current Providers

How Does It Work?●Satellite radio uses stationary transmitters which have limited range to broadcast ,uses mobile satellites orbiting the earth.●They pick up radio signals straight from orbiting satellites.●The satellite bounces the transmitted radio frequency off of the satellite and out to the millions of satellite radio listeners around the world

Sirius Satellite Radio●Operated in the United States and Canada●Provides 69 channels of music ●65 channels of news, sports and entertainment●Broadcast 24 hours a day commercial free from three satellites● $12.95/monthly+ $10-$15 for activation

XM Satellite Radio●United States and Canada●73 music, 39 news, sports and entertainment, 29 regional traffic and weather, 23 play-by-play sports.●$12.95/mon, $7.99 internet only●Provides weather to pilots through XM WX satellite Weather data casting service

Advantages●Information about local traffic and weather conditions

● Absence of static

● It produces crystal-clear sound

● Programs are not interrupted by commercials

Disadvantages

● Subscription Fee● Signal Interruptions● Signal Limitations● Non-Local

Conclusion●It will be an intelligent communications device that will offer more services and conveniences than can be provided by conventional analog technology.●For the broadcaster, digital radio is not just a way to stay competitive with other forms of digital sound, but one that offers numerous new business opportunities as well.●It is a bright future for listeners and broadcasters alike: a future that truly promises to provide 'the best sound on the air waves' for the world.

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