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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 .
GNSS radio occultation (GNSS-RO), historically also known as GPS radio occultation (GPS-RO or GPSRO), is a type of radio occultation that relies on radio transmissions from GPS (Global Positioning System), or more generally from GNSS (Global Navigation Satellite System), satellites.
Digital audio radio service (DARS) is any type of digital radio program service. In the United States it is the official FCC term for digital radio services. The most popular type of DARS in the U.S. and Canada is SDARS (Satellite Digital Audio Radio Service), used by Sirius Satellite Radio and XM Satellite Radio. XM and Sirius both operate in ...
ETSI Satellite Digital Radio (SDR or ETSI SDR) describes a standard of satellite digital radio.It is an activity of the European standardisation organisation ETSI.. It addresses systems where a satellite broadcast directly to mobile and handheld receivers in L band or S band and is complemented by terrestrial transmitters.
Satellite Satellite bus Source Operator Type Coverage Launch date, UTC, and vehicle Remarks 180.0°E Intelsat 18 (Armenia 1, yude2) Intelsat Television and Radio Broadcasting South Pacific, Alaska, China 5 October 2011 Zenit 3SLB: 177.0°W NSS-9: Orbital Star-2: Luxembourg SES: Intercontinental Voice, Video, and Internet Pacific Ocean region 12 ...
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.» Each system shall be classified by the service in which it operates permanently or temporarily.