This document provides an overview of satellite radio, including its history and current providers Sirius and XM. It describes how satellite radio works by transmitting signals from satellites in orbit to receivers, allowing commercial-free music and talk programming anywhere. Some advantages include no local radio station limitations and interruptions, while disadvantages include monthly subscription fees and potential signal interruptions. The conclusion discusses how satellite radio offers new opportunities for broadcasters and a digital future with more services for listeners.

2. CONTENTS
 What is satellite Radio
 History
 Current Providers
 How Does It Works
 Sirius Satellite Radio
 XM Satellite Radio
 Advantages
 Disadvantages
 Conclusion

3. 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

4. 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.

5. Current Providers

6. 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

8. 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

9. 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

10. Advantages
●Information about local traffic and weather
conditions
● Absence of static
● It produces crystal-clear sound
● Programs are not interrupted by commercials

11. Disadvantages
● Subscription Fee
● Signal Interruptions
● Signal Limitations
● Non-Local

12. 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.

13. Any Queries????

14. THANK YOU