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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.

Sirius XM-Satellite

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. Currently, Sirius has exclusive satellite radio broadcasting rights to all NFL and NBA games. On November 18, 2004 the former COO and President of Viacom, Mel Karmazin, was named the CEO of Sirius.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 offers an adapter that allows conventional car radios to receive satellite signals. You can buy XM Ready radios at thousands of consumer electronics, auto accessory, retail stores, and online.

On March 1, 2004, XM Radio launched Instant Traffic and Weather Channels for major metropolitan markets in the United States. XM Radio’s headquarters, production studios, and high-end concert/recording studio are located in Washington D.C. XM Satellite Radio is revolutionizing radio by offering exciting and unprecedented coast-to-coast programming.

XM Satellite Radio produces the majority of its channels, as well as a few others that are not available via satellite, available on the Internet. XM Radio Canada and Sirius Canada are the first licensed satellite radio services in Canada. Most portable radios let you store several hours of satellite radio programming in their internal memories.At its launch in 2001, satellite radio was targeted only towards motorists. Hybrid portable satellite radios will let you save up to 50 hours of content, and let you store and play back your MP3s. The primary digital satellite systems providers are the Dish Network, Star and DirecTV. A number of home and mobile audio manufacturers have begun to offer HD-Radio capable receivers.