Satellite Radio

Satellite radio is a broadcast music service which was approved by the FCC in 1992. The FCC granted the first licenses in this space in 1997.

Satellite radio uses the 2.3 GHz S band frequencies.

Satellite radio is technically known as Digital Audio Radio Service (DARS).

Satellite radio broadcasters currently include Sirius Satellite Radio, XM Satellite Radio and WorldSpace.

XM Radio uses two geostationary satellites. Sirius Satellite Radio uses three satellites which travel in elliptical orbits. WorldSpace currently uses two geostationary satellites, but is expected to add a third satellite to extend service to Central and South America.

Sirius Satellite Radio and XM Satellite Radio both serve the United States. WorldSpace currently serves Asia and Africa.