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The Sirius Radio streams are broadcast from three satellites in an elliptical geosynchronous orbit above North America. Digital satellite systems usually make use of a very small dish which can be installed anywhere on the consumer’s property with a line-of-sight to an orbiting satellite. Sirius Radio has exclusive satellite radio rights to National Public Radio, carrying two separate streams. The deal with NPR was the first high-profile deal entered into by Sirius.

The National Basketball Association has reached a multi-year deal with Sirius Satellite Radio Inc. to expand radio broadcasts of professional basketball games. Sirius Satellite Radio is a satellite radio (DARS) service in the United States that provides 65 streams (channels) of music and 55 streams of sports, news and entertainment. XM Canada said it will have shipped 100,000 receivers to Canadian retailers before Christmas.

XM has signed deals with 60 per cent of car makers, including the biggest, General Motors of Canada Ltd., to pre-install XM receivers in GM vehicles. XM Satellite Radio provides digital programming directly from three satellites in geostationary orbit above the equator. XM Satellite Radio NASDAQ: XMSR is a satellite radio (DARS) service in the United States based in Washington, DC and controlled by News Corporation’s DirecTV, General Motors, American Honda, Hughes Electronics, and several private investment groups.

Audio channels on XM Radio are digitally compressed using the aacPlus codec from Coding Technologies for most channels, and the AMBE codec from Digital Voice Systems for some voice channels. Digital radio technology offers many advantages, opening the doors for future HD radio features as built in digital radio recorders, allowing you to record and play back your favorite music, news and weather, as well as subscription services. If your brand-name stereo isn’t compatible with satellite radio, or if you have a factory stereo system, you can still use a dedicated car satellite radio.

In the US market, there’s two players: XM Satellite Radio and Sirius Satellite Radio. Sirius and XM are the two major satellite radio providers available in the USA Car manufacturers have been installing satellite radio receivers in some models for a few years now. With satellite, or digital radio, you get near-CD quality sound.

Digital satellite systems have a number of advantages over traditional cable-television providers. On October 6, 2004 Sirius announced that it signed a five-year, $500-million agreement with shock jock Howard Stern to move his radio show to Sirius starting on January 9, 2006. The Sirius Satellite Radio receiver includes two parts — the antenna module and the receiver module.

The Sirius Radio business model is to provide pay-for-service radio, music channels being free of commercials, analogous to the business model for premium cable television. Sirius Radio gives you the freedom to listen to what you want, when you want, where you want. DirecTV now gives listeners as part of its service the music channels of XM, but not the news or traffic channels.

Each satellite radio receiver uses a small, car-phone-sized antenna to receive the XM signal. Satellite TV solves many of the problems associated with earlier television broadcasting methods. XM Satellite Radio is revolutionizing radio by offering exciting and unprecedented coast-to-coast programming.

XM Canada said it will have shipped 100,000 receivers to Canadian retailers before Christmas. Satellite radio has many advantages over terrestrial radio, it is capably of delivering a crisp, clear digital signal in a variety of genres from blues to classic rock. Both Sirius Radio and XM Radio are counting on Canadians’ propensity for adopting new digital technologies at ever-accelerating rates.

Satellite radio is not just a new consumer electronics product but also a whole new product category. A single cable connects the satellite radio to your stereo exactly the same way that it would a same-brand CD changer. Some automobile audio companies such as Delphi and Visteon have committed to offering HD Radio ready radios in their new vehicles. Satellite radio has ushered in the next generation of radio listening.