GS Group (before 2013 known as General Satellite) is the largest Russian developer and producer of set-top boxes for television. Since 1991 company has...

A natural satellite is, in the most common usage, an astronomical body that orbits a planet, dwarf planet, or small Solar System body (or sometimes another...

constellation of imaging, communication and remote sensing satellites. It operates the GAGAN and IRNSS satellite navigation systems. It has sent three missions to...

Starlink is a satellite internet constellation operated by Starlink Services, LLC, an international telecommunications provider that is a wholly owned...

The General Satellite Control Center (Korean: 위성관제총합지휘소; Hanja: 衛星管制総合指揮所) is the main mission control center of North Korea's space program. It is located...

A communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a transponder; it creates a communication...

first superseded and then replaced by the GE series of satellites. The Satcom system passed to General Electric with its purchase of RCA in 1986. RCA Americom...

A satellite navigation or satnav system is a system that uses satellites to provide autonomous geopositioning. A satellite navigation system with global...

Satellite television is a service that delivers television programming to viewers by relaying it from a communications satellite orbiting the Earth directly...

XM Satellite Radio Holdings Inc. (XM) was one of the three satellite radio (SDARS) and online radio services in the United States and Canada, operated...