Several countries today including the United States boasts of Satellite Radio; a technology that transmits signals, from outer space to a digital decoder in car radio or other mobile radio, trillions of miles away. Satellite Radio (SR) knows no geographical limit. With mobile services like Sirius, XM and Worldspace, you can capture signals literally going around the world a facility that has nudged ground-based, limit-ranged radio broadcasts aside. But for services like Muzak and Music Choice a digital receiver and dish antenna are mandatory, besides keeping clear of signal blockers such as tall buildings and garages. Satellite Radio is also called subscription radio (SR) as it's launched as a commercial venture requires subscription. Though the radio provides a wide variety of channels dedicated to sports, news, music, etc, signals can only be received with a digital decoder. Removing a Car Radio Removing an in-dash car radio is generall y quick and easy. Some, but only a small n...
In the context of spaceflight, a satellite is an object which has been placed into orbit by human endeavour. Such objects are sometimes called artificial 97 W satellites to distinguish them from natural satellites such as the Moon....