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Sirius Satellite Radio Inc. was a satellite radio 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.
On March 24, 2008, the United States Department of Justice approved the merger of XM and Sirius Satellite Radio. [29] On July 26, the FCC approved the XM-Sirius merger [30] and on July 29, Sirius and XM officially merged as Sirius XM Radio. [31] XM Canada and Sirius Canada, subsidiaries of the parent companies, remained separate until April ...
A trunked radio system is a two-way radio system that uses a control channel to automatically assign frequency channels to groups of user radios. In a traditional half-duplex land mobile radio system a group of users (a talkgroup) with mobile and portable two-way radios communicate over a single shared radio channel, with one user at a time ...
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.
The Radio Network Controller (RNC) is a governing element in the UMTS radio access network and is responsible for controlling the Node Bs that are connected to it. The RNC carries out radio resource management, some of the mobility management functions and is the point where encryption is done before user data is sent to and from the mobile.
Was deleted due to low subscription turnout. (Added to lineup on 8/26/02. Removed on 9/1/05.) It has now resurfaced on Sirius Satellite Radio. It is available without an additional fee, but subscribers must "opt in" to receive the channel. MTV Radio (XM155) – MTV audio simulcasts and pop hits. Also included Headbangers Ball and various MTV ...
John Francis Rider (1900–1985) was an American radio engineer best known as publisher and author of over 125 books for radio and television servicing. He founded John F. Rider Publisher Inc. and was responsible for annual volumes of the Perpetual Troubleshooter's Manual from 1931 to 1954.
The use of Multi-Operator Radio Access Networks (MORANs), also known as Radio Access Network sharing, is a way for multiple mobile telephone network operators to share radio access network infrastructure. [1] [2] [3]