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Satellite radio is defined by the International Telecommunication Union (ITU)'s ITU Radio Regulations (RR) as a broadcasting-satellite service. [1] The satellite's signals are broadcast nationwide, across a much wider geographical area than terrestrial radio stations, and the service is primarily intended for the occupants of motor vehicles .
Spaceflight. A communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a transponder; it creates a communication channel between a source transmitter and a receiver at different locations on Earth. Communications satellites are used for television, telephone, radio, internet, and ...
Sirius XM. Sirius XM Holdings Inc. is an American broadcasting corporation headquartered in Midtown Manhattan, New York City, that provides satellite radio and online radio services operating in the United States. The company was formed by the 2008 merger of Sirius Satellite Radio and XM Satellite Radio, merging them into SiriusXM Radio.
Sirius Satellite Radio Inc. was a satellite radio (SDARS) and online radio service operating in North America, owned by Sirius XM Holdings. Headquartered in New York City, with smaller studios in Los Angeles and Memphis, Sirius was officially launched on July 1, 2002. It now provides 69 streams (channels) of music and 65 streams of sports, news ...
An amateur radio satellite is an artificial satellite built and used by amateur radio operators. It forms part of the Amateur-satellite service. [1] These satellites use amateur radio frequency allocations to facilitate communication between amateur radio stations. Many amateur satellites receive an OSCAR designation, which is an acronym for ...
Satellite radio system. Satellite system with three earth stations and one space station. Satellite radio system (also: satellite system) is – according to article 1.111 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [ 1] – defined as « A space system using one or more artificial earth satellites .».