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Satellite Digital Audio Radio Service (SDARS):

SDAR is a satellite-based direct-broadcast radio service in which

digitally encoded audio entertainment material is broadcast to

Earth-based receivers, either directly from an orbiting satellite, or from the satellite to

the receiver via a repeater station (This is a special case in which the receiver is in a

shielded location). SDARS is a radio communication service through which audio

programming is digitally transmitted by one or more space stations directly to

fixed, mobile, and/or portable stations, and which may involve complementary

repeating terrestrial transmitters, telemetry, tracking and control facilities.

Through SDARS compact-disc quality audio is available because of digital transmition

is employed.

History of Satellite Radio:

Satellite radio is an idea over a decade long. In 1992, the U.S.

Federal Communications Commission (FCC) allocated a spectrum in the

“S” band (2.3 GHz) for nationwide broadcasting of satellite-based

Digital Audio Radio Service (DARS). Only four companies applied for a

license to broadcast over that band. The FCC gave licenses

to two of these companies in 1997. CD Radio (now Sirius Satellite Radio) and

American Mobile Radio (now XM Satellite Radio) paid more than $80 million each

to use space in the S-band for digital satellite transmission. The first satellite based radio launched by XM on Sep 25, 2001, then followed by Sirius on July 1, 2002.

At this time, there are three space-based radio broadcasters:

Sirius Satellite Radio

Importance and significance of Satellite radio:

We all have our favorite radio stations that we preset into our car

radios, flipping between them as we drive to and from work, on errands

and around town. But when you travel too far away from the source station, the

signal breaks up and fades into static. Most radio signals can only travel about 30

or 40 miles from their source. On long trips that find you passing through

different cities, you might have to change radio stations every hour or so as the signals fade in

and out. Now, imagine a radio station that can broadcast its signal from more than 22,000 miles (35,000 km) away and then come through on your car radio with complete clarity. One could drive

nearly hundreds of kilometers without ever having to change the radio station! Not

only would you never hear static interfering with your favorite tunes, but also the

music would be interrupted by few or no commercials.

Satellite radio companies are comparing

the significance of their service to the impact that cable TV had on

television 30 years ago. Listeners won’t be able to pick up local stations using

satellite radio services, but they will have access to hundreds of stations offering a

variety of music genres. Each company has a different plan for its broadcasting

system, but the systems do share similarities.

XM Satellite Radio, Sirius Satellite

Radio and WorldSpace satellite individually provides digital-audio

radio services (SDARS), with commercial-free programming, digital-audio quality, and

countrywide coverage. Each company offers nearly 100 channels of digital music and

talk radio (many of them commercial-free or with a reduced number of commercials)

that can be received from coast to coast with no service interruption. Each

offering number of music channels, these services clearly provides programming options

not available through traditional radio.

One of the main feature of SDARS is SDARS provides almost Commercial free (or Commercials are restricted) programs. And also it provides news, weather forecasts, and sports apart from

entertainment-based programs The primary application for this service is constant coast-to-coast coverage of radio for cars. We have all experienced the problem of trying to listen to radio on a long trip. Both AM and FM stations fade in and out as we drive into and out of their coverage

area. Portable full satellite radio service available now a days for

the car, home stereo and personal radio environments. Car manufacturers have been installing satellite radio receivers in some models for a few years now, and

several models of portable satellite radio receivers are available from a variety of

electronics companies.

Signal reception is generally poor as well as variable in the cases of AM or FM. With the SDARS systems, radio coverage throughout the 48 continental states is solid and continuous. Unlike

for AM and FM channels SDARS signals are available in a unique format

Subscription based radio service:

Because the technology requires access to a commercial satellite for

signal propagation; Satellite Radio services are commercial business

entities (not private parties), which offer a package of channels as part of their service

–requiring a subscription from end users to access its channels. Satellite

Radio Service can be subscribed at a monthly fee of $12.95 U.S. and up which

is very much worth full to the service that it gives.

Future of Satellite radio:

SDARS seems to get good market growth because of the following factors. Increasing

partnerships of XM and Sirius with Automobile OEM and distribution outlets made the

SDARS more popular. Introduction of more convenient hardware smaller and more

portable radios for the automobile as well as the home stereo,

computer and office and personal environments made possible at the

same time.

Home and personal use Industry promotional advertising and

awareness campaigns given the SDARS more popular. Sirius and XM now

also offer subscribers the option of listening to their programming

online. Apart from all of this,

price drop of hardware making it more affordable for after market purchase.

Author can be contacted through crsjith@gmail.com for more

information about SDARS.

Jith is an Electrical and Electronics Engineer from southern India. Author is an expert in Avionics systems, Automobile systems and have good command over communication protocols.

Frequently Asked Questions

Q). I have no prior experience of starting or operating radio station. Can I still start one?

A)You do not need prior experience to create radio station. Most of the things are best learned on the job as you set up one. Most of the successful radio stations entrepreneur started as absolute novices some day. And the real successful ones still consider themselves to be novices. Every new venture needs to start up some where.

Q) Does it require a fortune to set up a radio station?

A) A good station can be started for as low as USD 30,000. The cost depends on how far you are capable or willing to spend. Most of the new omes start low and scale up over the years. The costs have further reduced in the last few years as many costly equipments have been replaced by inexpensive software programs. How else could we see many small business owners, schools, communities and churches create radio station of their own, had it been very costly to set up one?

Q) Can I raise funds if I am short of it?

A) You easily attract investors, if you have worked hard and managed to procure a broadcasting license.

Q) Does it require a lot of technical knowledge?

No. You do not have to get into the technicalities yourself. Providing you a workable broadcasting solution in ready to use condition is the duty of the equipment vendor. On the job technical knowledge is acquired over the years.

Q) What if I am not eligible to get a license to create radio station?

A) License is generally not declined, if there is an availability of free frequency and if the applicant puts up a deserving application. Frequencies are mostly available for allotment unless you are applying for broadcast in a super competitive location.

To check the availability of frequency you need to check up with the licensing authority of your land. U.S applicants can check the availability of frequency for their location at www.fcc.gov/. U.K applicants can check for details of availability of frequency at: http://www.ofcom.org.uk/. Other country applicants should simply search for the term “radio station license, your country name” in a search engine to find out the licensing authority of your land.

The central idea here is to put up a deserving application that has already taken corrective measures to improve upon the limitations of the applicant, there by minimising the chances of rejection.

Q) How much time does it take to set up a radio station?

A) If your are prepared and a bit lucky, you can launch in less than 3 months time. It can also take up to 18 months for some cases.

Q) Where should I begin

You should begin by starting to draft a business plan that is intended to make your license application stand apart in the eyes of the licensing authorities and the investors (should you at all need them).

If you have more queries, you can find answers to most of them by instantly downloading this 50-pages of hard-hitting step-by-step guide book on How to create radio station business plan.

Or you can warm up with this Free book on Financial planning for starting a radio station.

For your success,
Bhaskar Chaudhary – start up advisor.

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