Satellite Radio
Before the appearance of satellite radio stations, the transmission of radio signals relied on the abilities of ground-based transmitters. When wireless signals enter the air from ground-based transmitters, then those signals show a drop-off in power, as they travel great distances. Radios receiving such signals, fail to get good reception of any radio program that has not come from a local radio studio.
The companies that now operate the satellite radio networks have offered a way to ease the strained ear of the radio listener. Each satellite radio program is beamed-up to a satellite in the space. That satellite then sends the radio signals to receivers on the ground. That allows for clearer transmission of each radio program
The satellite radio stations have given their receivers the ability to buffer each incoming signal from space. In that way, the receiver can call for a back-up signal, should it somehow loose the satellite signal. The existence of the buffering system helps to insure transmission of a clear radio signal.
Once the satellite radio stations had found a way to put dozens of different channels in a single bandwidth, then they began to look at the contents of the projected radio programs. The present-day satellite radio programs offer listeners a wonderful mix of music, news, sports and talk radio.
The operators of satellite radio followed the model presented by cable television. They chose to operate without dependence on advertising money. Instead, they chose to search for subscribers,, listeners who were willing to pay for a clearer signal and a better quality radio program.
Worldspace Corp., a firm based in Washington, D.C. offered the first demonstration of satellite radio capabilities. It used a satellite to send radio programs to listeners in Asia and Africa. Now XM and Sirius sell subscriptions to radio listeners in the United States.
As satellite radio evolved from the system used by Worldspace to the system used by XM and Sirus, the needs of the radio listener entered the picture. The radio listeners in the U.S. are often on the move. Their signal has been designed to reach such roving listeners.
Satellite radio has now become an integral part of society’s total communication system. The operators of those subscription services sell stock in their companies. Financial experts report on the fiscal soundness of those same companies.
At the same time, other media companies cover any controversy raised by those who make announcements on a satellite radio program. Such announcements now reach the ears of thousands of listeners. Such announcements can not be overlooked.
Indeed, the degree to which satellite radio has added to the enjoyment of listening to the radio can not be overlooked. Now some automobile manufacturers even promise to put satellite radio in the cars that are coming out of their factories. Technology experts make a careful study of the offerings from the two competing subscription services.
Some of those experts have felt ready to share their expertise with others. They have offered to guide radio listeners, listeners planning to choose a satellite radio service.
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