A satellite radio subscription unlocks a vast selection of channels and programming that you can’t find on FM or AM. It also broadcasts clear, static-free digital signals from orbiting satellites to virtually anywhere in the continental United States (not available in Hawaii or Alaska).
The first satellite radio services were launched in the early 2000s. Two companies competed in the US market until 2008 when Sirius and XM merged to form Sirius XM.
Each service has its own unique radio signal transmission system. The main differences are how the satellites are positioned in geostationary orbit and the number of radio satellites in service.
XM operates two satellites in a geostationary orbit that covers the continental United States and Canada, while Sirius has three satellites in an elliptical geosynchronous orbit. These oblong orbits enable Sirius satellites to reach higher in the sky, so their signals are less likely to be cut off by tunnels or tall buildings.
Both XM and Sirius offer many music channels, including classic rock, alternative and world beat, along with sports, news, traffic and weather updates. They also offer special channels for Canadian customers.
Getting a satellite radio for your vehicle is easier than you might think. Many car radio manufacturers include a dock-and-play tuner with their new cars. You can then transfer the tuner between vehicles with a cable or an auxiliary input, and pay only one subscription fee. Alternatively, there are standalone receivers and antennas for home and vehicle use that you can install yourself.
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