The Satellite Data System (SDS) is a system of United States military communications satellites. At least three generations have been used: SDS-1 from...

and Data Relay Satellite System (TDRSS, pronounced "T-driss") is a network of American communications satellites (each called a tracking and data relay...

tracking and data relay satellite (TDRS) is a type of communications satellite that forms part of the Tracking and Data Relay Satellite System (TDRSS) used...

is a classified artificial intelligence (AI)–powered satellite-based intelligence analysis system developed and operated by the National Reconnaissance...

and others in the Argos system) or in dedicated satellites (such as SCD). The data rate is typically much lower than in satellite Internet access. Commercialization...

navigation satellite system (GNSS) provides coverage for any user on Earth, including air, land, and sea. There are four operational GNSS systems: the United...

The Global Positioning System (GPS) is a satellite-based hyperbolic navigation system owned by the United States Space Force and operated by Mission Delta...

Indian Data Relay Satellite System or IDRSS is a planned Indian constellation of Inter-satellite communications satellites. It is planned to initially...

Argos is a global satellite-based system that collects, processes, and disseminates (spreads, distributes) environmental data from fixed and mobile platforms...

Quasi-Zenith Satellite System (QZSS) (Japanese: 準天頂衛星システム, Hepburn: juntenchō eisei shisutemu), also known as Michibiki (みちびき, "guidance"), is a four-satellite regional...

constellation, a system of 80 satellites: 66 are active satellites and the remaining fourteen function as in-orbit spares. Iridium Satellites are used for...

Indian Regional Navigation Satellite System (IRNSS), with an operational name of NavIC (acronym for Navigation with Indian Constellation; also, nāvik 'sailor'...

Navigation Satellite System (BDS; Chinese: 北斗卫星导航系统; pinyin: běidǒu wèixīng dǎoháng xìtǒng) is a satellite-based radio navigation system owned and operated...

The Transit system, also known as NAVSAT or NNSS (for Navy Navigation Satellite System), was the first satellite navigation system to be used operationally...

The Joint Polar Satellite System (JPSS) is the latest generation of U.S. polar-orbiting, non-geosynchronous, environmental satellites. JPSS will provide...

Galileo is a global navigation satellite system (GNSS) created by the European Union through the European Space Agency (ESA) and operated by the European...

Environmental Satellite (GOES), operated by the United States' National Oceanic and Atmospheric Administration (NOAA)'s National Environmental Satellite, Data, and...

A satellite data unit (SDU) is an avionics device installed in an aircraft that allows air/ground communication via a satellite network. It is an integral...

and systems that use satellites in low Earth orbit (LEO), 640 to 1,120 kilometers (400 to 700 miles) above the Earth. The connection and regular data order...

The World Geodetic System (WGS) is a standard used in cartography, geodesy, and satellite navigation including GPS. The current version, WGS 84, defines...

Hazzard. The KENNEN system transmits its imagery as data through the Satellite Data System (SDS), a network of communications satellites. These digital images...

The National Environmental Satellite, Data, and Information Service (NESDIS) was created by the National Oceanic and Atmospheric Administration (NOAA)...

Satellite images (also Earth observation imagery, spaceborne photography, or simply satellite photo) are images of Earth collected by imaging satellites...

The European Data Relay System (EDRS) system is a European constellation of GEO satellites that relay information and data between satellites, spacecraft...

The Indian National Satellite System or INSAT, is a series of multipurpose geostationary satellites launched by the Indian Space Research Organisation...

 'Global Navigation Satellite System') is a Russian satellite navigation system operating as part of a radionavigation-satellite service. It provides...

of the US Tracking and Data Relay Satellite System. The first generation of satellites was created by NPO-PM using the satellite platform KAUR-4 (its first...

identification system (AIS) is an automatic tracking system that uses transceivers on ships and is used by vessel traffic services (VTS). When satellites are used...

captured by telescopes. All together, Jupiter's moons form a satellite system called the Jovian system. The most massive of the moons are the four Galilean moons:...

grade satellite Internet service is typically provided to individual users through geostationary satellites that can offer relatively high data speeds...