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Sirius radio, or more generally satellite radio, came out just a few years ago. If you've never listened to satellite radio or heard about it, this article is your lucky break. In this article you'll find out what satellite radio is and how it works.

What Is Satellite Radio?

Just like the name indicates, satellite radio uses satellites and related equipment to broadcast radio channels to car or home radios. The concept really received its impetus in 1992 when the FCC set aside a chunk of radio frequency for what they called Digital Audio Radio Service (DARS). Five years later, Sirius Radio and XM Satellite Radio purchased licenses from the FCC, and both companies started putting the pieces into place to be able to start broadcasting.

Conventional radio waves can only travel 35 to 45 miles before they die out. The signal for satellite radio services is broadcast more than 20,000 miles above the Earth's surface. Programming on satellite radio is subscriber based, meaning you pay a monthly fee to descramble the signal from the satellites. But, most satellite radio service comes commercial free, so you don't have to worry about channel hopping. Channels include music, talk radio, sporting events, kids programs, and news.

The Who's Who of Satellite Radio

There are currently three major players in the satellite radio game: Sirius radio, XM satellite radio, and WorldSpace. Sirius radio covers North America, including the continental U.S., Canada, and Alaska. XM provides service in the continental U.S. WorldSpace is developing coverage in other parts of the world (Asia, Africa, Europe, and South America) and are definitely the most ambitious in terms of client coverage (a potential of 4.6 billion clients covered on 5 different continents). Each company uses different satellite technology and methods to provide service in their respective areas.

Satellite radio equipment, such as car receivers and home stereos, are sold at a variety of consumer electronic stores, and are starting to become standard installations in new cars. Conventional radios cannot receive satellite radio transmissions, so picking up the service usually entails purchasing a receiver, though some kits are available to make conventional radios satellite-radio compatible.

Because of the different technology each company utilizes, receivers are not compatible with every company. For example, if you subscribed to XM but then wanted to switch to Sirius radio, you would need to get a new receiver that was compatible with Sirius. Some satellite television companies include satellite radio service in their channel packages, and you can receive the transmission through your television satellite dish.

How Does Satellite Radio Work?

This is the cool part. The music, talk show, sporting event, etc., are recorded digitally in a studio, after which the message is encoded. The encoded signal is sent to the satellites from ground stations (Sirius radio based in New York; XM based out of D.C.). The satellites then relay the signal to receivers in your car or at home. The receivers contain chipsets that decode the signal and play it through you stereo. In urban areas where taller buildings might block the signal from the satellites, ground repeaters or transmitters are used to resend the signal, eliminating pockets of dead space.

XM uses two satellites to cover the continental United States with their signal. Sirius radio uses three satellites to form a satellite constellation. The way they are set in orbit ensures that each satellite spends about 16 hours at a time covering the U.S. and that there is always at least one satellite over the U.S. at any given time. WorldSpace satellites beam three signals each to increase the amount of territory they are able to cover with their three satellites. All three companies have reserve satellites ready to launch in case one of their satellites stops working.

Satellite radio technology looks like it's here to stay. It is ideal for those that live in areas where normal radio reception is poor, or for those willing to pay a little each month to not have to listen to commercials. Chances are good that soon every new car you buy will have satellite radio installed, and that more and more homes will be equipped for it. I have only covered the basics. It is definitely worth your time to find out more about what each company has to offer.

Nick Smith is a client account specialist with 10x Marketing [http://www.10xmarketing.com] – More Visitors. More Buyers. More Revenue. To find out how to get Sirius radio [http://www.dishnetworkproducts.com/articles/sirius-radio.php] with your satellite TV service, check out I-Satellite.

How To Install Car Stereo Amplifier

If you want to maximize the sound system of your car, we suggest that you install a car stereo amplifier in order to power up your speakers.

If you wish to use the subwoofers, you also need to get additional car stereo amplifier for these. Here is how you can install your car stereo amplifier yourself so that you can save money.

First and foremost, you must choose where to put your new car stereo amplifier. If you are putting subwoofers, it is best that you put these in the trunk next to where you put your enclosure.

If you are going to power your main speakers with your car stereo amplifier, then the best place is under the passenger’s seat.

You must have the following wiring for the car stereo amplifier – a thick power cable (check the total wattage of your amp so you know which one to get.

It is best if you consult with a sales rep or turn to the manual of the amplifier) that will reach from the battery of the car stereo amplifier, 3 feet of ground cable that is as thick as the power cable, an RCA signal cable that carry the right and left signals from the head unit to the car stereo amplifier.

If you want to power your main speakers up, you need a 16-gauge wire that would reach each speaker of the amp.

When installing the car stereo amplifier, have the following tools with you: screwdrivers, wire strippers, wire cutters, sandpaper, a utility knife, masking tape with a pen for labeling, and a crimp on o-ring.

You also need a 2-crimp on spade connector if you are hooking the car stereo amplifier for every speaker.

Disconnect the ground cable from the battery. Never work on the electrical system of your car when this is still connected. This is for your own safety as well. Run the power cable through the firewall of your car.

There is an opening on the driver’s side. This will reach to the car stereo amplifier. If the am is in the back, then it is best that you run the wire under the plastic molding that is found along the bottom edge of your car. The wire and the power cable should never twirl and tie up.

Finally, connect everything to the car stereo amplifier. Strip as much as you can at the end of every wire in order to make the connection really solid and stable.

Do not have any wire exposing itself. If there are, then attach the amp with the 12-gauge speaker wire.

About the Author

Discover where to buy cheap car stereo amplifiers online. Learn where to buy cheap 4 channel car amplifiers at my site.

Can I use a car stereo amp that gives a higher RMS wattage than what the speaker can handle?

The speakers in the back of my car are 80 watts RMS. The speakers in the front are 60 watts RMS. I want to get a 4 channel amp that can do 80 watts per channel to take advantage of those back speakers, but will that be bad for the front speakers? Can I just adjust the gain down?

You must have a hearing problem already, it not you will.....Huh what did he say!!! If he could turn his head a little this way, I could read his lips.

Does having those overpowering speakers send out the message of virility or just the message that 'I have excess funds to blow on my ride'?

If the amp has separate speaker volumes you could turn the front ones down.

Diary: George gathering dust
Even committed political agitators need a hobby. In a blog for the Daily Record , George Galloway reveals he's working on – what else? – a musical about Dusty Springfield. The fiery former MP recently spotted a CD of 1960s hits at a service station. Soon, he writes, it was gracing his car stereo. "The star who shines brighter than all the rest on this trip down memory lane is Dusty Springfield ...

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