Millions of radio listeners in the United States and all over the world have become so much happier with the introduction of satellite radio. Now, people can listen to literally hundreds of stations that offer music, news, radio talk shows and more in virtually real-time and at a much higher audio quality than that which FM or AM radio provides.

With conventional radio, land-based stations broadcast their signals to your boom box, computer, or car radio via the earth’s airwaves. With satellite radio however, providers transmit encrypted signals to satellites they launched in outer space; these satellites in turn beam the signals to customers’ listening devices. But you can’t use just any radio; you need a special receiver (which is available at electronics retailers) and a satellite radio set. You can also listen to satellite radio broadcasts in your car since many new cars rolling of the assembly lines have satellite-ready equipment already installed. All you would need to do is pay for your monthly subscription.

In the United States, service is offered by XM Satellite Radio and Sirius Satellite Radio. Sirius, a company based in New York City, has over 125 channels from which to choose, 67 of them dedicated to commercial-free music and the rest to various other content. XM, on the other hand, offers more than 160 channels, which offer content that is as diverse as that which Sirius extends to its customers. The services are available coast-to-coast, so geographical availability of programs is not an issue. A customer in Los Angeles, for example, can listen to the same talk show that another customer in say, Boston, is listening to at the same time, and with no degradation in audio quality. Remember that satellite radio also means digital radio — sound is crystal-clear. There’s none of the static or hissing you would sometimes hear on FM or AM radio. Non-US residents can also take advantage of the benefits of satellite radio; XM and Sirius offer their services in Canada, while WorldSpace broadcasts its service across Asia, Africa, Europe, and the Middle East. Australia has several providers of its own also.

Factors that attract people to sign up for satellite radio subscriptions are numerous. For one thing, there’s the pleasure of listening to commercial-free music. Since the providers make their money from subscriptions, there is still no pressing need for advertising revenue. Another attractive feature that this service offers is that information about the song being played at the moment is displayed on your radio set — a small convenience for those people who have to know about who is singing what song right-now. The fact that satellite radio programming is completely uncensored at the moment is also a draw for many people. Noteworthy personalities, such as shock jock Howard Stern (who was kicked out of network radio programming) has made satellite radio his new broadcasting home. Whether you want to listen to hip-hop music, stand-up comedy shows, or news programs, satellite radio offers them — all completely uncensored.

Because Sirius, XM, and other providers are the ones who set the channel selections, some people might find it a bit inconvenient that they won’t be able to listen to their local radio stations and get information on local goings-on. However, Sirius and XM do provide traffic and weather data for major cities, so that should be a bit of a relief for city residents. And if you think about it, not getting access to one local radio station wouldn’t seem to be such a bad deal if you compare it to the ability to listen to hundreds of channels of commercial-free music and unregulated non-regulated shows.

Sirius and XM plan to add even more features and functions to offer to their subscribers. Sirius, in particular, is readying the launch of a Windows Media Video 9 service and the company plans to offer several channels dedicated to children. That’s one more thing to keep the kids occupied and not distract their parents on long road trips. XM plans to release a similar video service. The two companies are anticipating that this will add to the number of their subscribers — Sirius has over one million, trailing after XM which has more than three million.

If you’re an avid radio listener and you’re finding yourself becoming fed up with the constant barrage of commercials on regular music stations or if you’re looking for more no-holds-barred commentaries or radio talk shows, you probably wouldn’t mind forking over the $12.95 monthly subscription for satellite radio service charged by Sirius and XM. And with the increases that the two companies see in their subscriber numbers, it’s evident that a lot of people feel the same way.

About The Author

Matt Barstow offers valuable tips and information about satellite radio, players, and services. Read his latest report answering the most popular questions about satellite radio. http://www.satellite-radio-review.net.

Written By: Matt Barstow

Ever wonder how this whole satellite radio thing works? I mean, it seems to be THE thing now. Many auto manufacturers are installing satellite radio receivers in their new automobiles, and there are home and portable models available through your favorite electronics outlet. But what is it? How does it work? Why should I pay for radio?

You pay for TV, dont you?

Once, in those long gone days of yore, cable television operators offered us television, which we had happily been receiving for free through big tree-branchy things on our roofs, for a fee. Many people scoffed at the idea of paying for 30 channels when they received four or five, gratis. Well, just look at us now cable TV, satellite TV, 500 channels not quite filling us up. So lets stop asking questions about why you should pay for satellite radio, and lets find out how the dern thing works.

Well, how does the dern thing work?

Lets start by looking at the type of radio you are used to. AM radio broadcasts at a frequency range from 535 kilohertz (kHz) to 1700 kilohertz (1.7 MHz). FM broadcasts between 88 MHz to 108 MHz. Without getting too technical, one hertz is basically one cycle per second. So FM radio waves transmitted at 88MHz are cycling 88 million times per second. This seems like a lot, but is actually relatively slow. Slower cycles require larger antennas to transmit and to receive them. Also, radio station antennas are stationary and earthbound, and are therefore limited in range. At higher cycles, smaller antennas suffice. Cell phones range from 824 MHz to 1990 MHz (1.99GHz), depending on the type of service; this is a much faster cycle, and therefore a smaller antenna is used. Satellite radio is broadcast at 2.3 GHz, so your car or portable receiver has no trouble picking up the signal. There have also been great advances in antenna technology, which provide us with a relatively small, flat antenna rather than a dish that would have to be constantly adjusted to point toward the satellite as we drove around town picking up kids from soccer practice.

All them numbers hertz my brain.

Lets lay megahertz and gigahertz aside for a moment. In addition to those higher frequencies, satellite radio signals come from, you guessed it, satellites. These satellites are in a geosynchronous orbit, which is an orbit that keeps the satellite always above one location on the planet, making it stationary relative to the earth. The satellite receives a digital signal from the ground station and bounces it back to us. Because the signal is digital, it can be compressed and beamed out packed full of additional data (disguised as 0s and 1s), and received by any satellite radio receiver tuned to the signal. Satellite radio receivers can pick up the broadcast from anywhere in the coverage area (meaning the whole US) because the satellite is orbiting at about 22,200 miles (35,000 km) above the earth, which allows for a greater dispersion of the signal. Its analogous to water flowing from a showerhead. An inch from the showerhead, the water is a relatively tight stream. At the other end of the shower, the water sprays all over the wall, and gets on the bathroom floor, causing your wife to yell angrily about the mess. Satellite radio beams work in much the same way. The radio signal is much more widely dispersed 22,000 miles from the satellite that sent the signal. So with satellite radio, you can listen to the same station as you drive from New York City to Los Angeles, whereas traditional radio has a range of only about 30 to 40 miles. And thanks to repeaters, or signal boosters, placed in urban areas, you can receive generally uninterrupted signals even driving through cities with large buildings and thick bridges.

Hey, thats kind of cool!

But wait! Theres much, much more! The digital signal can carry much larger packets of data, and satellite radios are equipped with chipsets, or processors, that can decode that data. So satellite radios not only play the music, but also decode and display information containing the song title, album, artist, and genre. Satellite radio owners can also choose from hundreds of stations, which allows for specialization, just like your cable or satellite TV. In the same manner that you can get the HBO Comedy Hits of the Brahman Caste of Nepal Channel, and Tasmanian Worm Wrestling on ESPN 127, you can receive niche music, comedy, news, and sports broadcasts on your satellite radio. Pick your genre: any decade since the 40s, Rock, Country, Urban, Jazz, Blues, Dance, Latin, World Music (e.g. Chinese, Indian, African), Classical, Kids, and even news, sports, comedy, and talk. You can also tune in to any sub-genre of the above; for example, in the Rock category you can listen to soft, heavy, classic, deep cuts, acoustic, instrumental, and even unsigned acts.

Maybe I should get me one of them there satellite radios

Now that you know how it works, you can listen for the sheer pleasure of it – without all those nagging technical questions churning in the back of your mind. Go get you one.

About the author:
Albert Medinas has developed and maintains the website Satellite Radio Galaxy, which answers the most common questions people have about Satellite Radio. Please visit us at http://www.satelliteradiogalaxy.comtoday.

Written By: Albert Medinas