Satellite radio has revolutionized radio, allowing listeners to enjoy a selection of music channels with no commercial interruption. In addition, satellite radio offers CD-quality audio and a vast array of exclusive content that isn’t available on traditional AM/FM stations. Most satellite radio systems operate on a subscription model and utilize proprietary receivers that decode the encrypted digital signals that are broadcast from the satellites. Unlike AM/FM radio, which relies on localized signals and may lose its signal when driving under highway overpasses, satellite radio signals are broadcast across the continent using a handful of satellites and ground repeaters.
The satellites transmit the programs to your receiver, which is designed to pick up the signal with a very high level of accuracy. These receivers are small enough to be portable, which allows you to listen at home or on the go. Many are designed with displays that show album art, channel logos and graphics or other information to enhance the listening experience.
All three of the major satellite radio services (Sirius, XM and WorldSpace) use satellites and ground repeaters to broadcast to subscribers. Each company provides a different mix of channels, but all offer an extensive list of music stations, talk shows and news/sports programming. Most of these channels are free of commercials, although some stations feature DJs.
Although the popularity of satellite radio has increased in recent years, it is important to consider the ongoing costs of the service before deciding on whether or not to subscribe. In addition to the cost of the system and its subscription, there are also a number of additional expenses such as equipment charges for vehicles, which can add up quickly.
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