A satellite radio can be very useful in cars for owners who want to have background music while they are driving or being simply at home. Most of the time, a listener has a preference for a certain music genre. Pop, rock, classical, country and other music can be at your preferred play list but the only problem is that you cannot expect the same radio station to play just one type of genres although there are some exceptions. Your local radio channels might not have the right tracks that is near you music taste. So the switching from one channel to another and the tedious hunt for just the right kind of music in your ears becomes bothersome and a potential distraction or source of frustration. To prevent unnecessary irritations, you might want to try getting a subscription from a satellite radio.So how does a satellite radio work so it can deliver the right music to your ears? Simple, the subscriber gives a play list and a radio signal is generated by the service provider from earth and then thrown back to satellites in the outer atmosphere. The digital signal is then reflected by these satellites to an area where the subscriber has his satellite radio installed. Different radio stations automatically plays your play list without too many process or switching involved. These signal feeds can gain access to most radio satellite stations available that can closely resemble your preference. You can be rest assured that digital signal is better than radio channels as there are not too much signal interference that can happen.Before getting a subscription to a service provider, buy the hard equipment first. You can acquire the radio satellite machine from local electronics and appliance stores in your town costing about a hundred dollars or more. Opt for the most practical choice in terms of price and functionality. There are plug and play types that can be used in the car or in the house. There are also optional choices for the satellite radio like speakers and sound quality enhancements that you can consider especially for home use. There is also a portable radio that you can choose to buy but it requires a rechargeable battery to keep it powered. This portable radio is also wireless so its much convenient for car use or as a travel gadget.After getting the radio satellite unit, then you can continue to apply for radio satellite subscription. They will give you an activation account number. Use this activation code to receive signal from the radio satellite. You can also read the manual of your chosen equipment so you can know how to operate the gadget so you can enjoy your radio listening without a hitch. Also, be sure to check in your warranty to your radio satellite manufacturer so you can readily return the product if found defective.This is how you can have your favorite music played on the radio much easier. Always keep your radio satellite in top shape so you can truly enjoy your music tripping in any time, place, or day as long as satellite signal can be present.