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Satellite constellation. The GPS constellation calls for 24 satellites to be distributed equally among six orbital planes. Notice how the number of satellites in view from a given point on the Earth's surface, in this example at 40°N, changes with time. A satellite constellation is a group of artificial satellites working together as a system.
Status. Active since 2019 ; 5 years ago(2019) Starlink is a satellite internet constellation operated by Starlink Services, LLC, a wholly owned subsidiary of American aerospace company SpaceX, [ 3 ] providing coverage to over 100 countries and territories. It also aims to provide global mobile broadband.
Amazon. Website. Official website. Kuiper Systems LLC, also known as Project Kuiper, is a subsidiary of Amazon that was established in 2019 to deploy a large satellite internet constellation to provide low- latency broadband connectivity. [2][3] The name Kuiper was a company codename for the project inspired by the Kuiper belt.
Last launch. 26 March 2020 (USA-298) Advanced Extremely High Frequency (AEHF) is a constellation of communications satellites operated by the United States Space Force. They are used to relay secure communications for the United States Armed Forces, the British Armed Forces, the Canadian Armed Forces, the Netherlands Armed Forces and the ...
The Global Positioning System (GPS), originally Navstar GPS, [ 2 ] is a satellite-based radio navigation system owned by the United States government and operated by the United States Space Force. [ 3 ] It is one of the global navigation satellite systems (GNSS) that provide geolocation and time information to a GPS receiver anywhere on or near ...
Globalstar. Globalstar, Inc. is an American satellite communications company that operates a low Earth orbit (LEO) satellite constellation for satellite phone, low-speed data communications and earth observations. The Globalstar second-generation constellation consists of 25 low Earth orbiting (LEO) satellites.
Galileo. Galileo is a global navigation satellite system (GNSS) created by the European Union through the European Space Agency (ESA) and operated by the European Union Agency for the Space Programme (EUSPA). [6] It is headquartered in Prague, Czechia, [7] with two ground operations centres in Oberpfaffenhofen, Germany (mostly responsible for ...
Starlink is a satellite internet constellation operated by SpaceX [5] [6] providing satellite Internet access to most of the Earth. [7] [8] Starshield is a classified derivative of Starlink designed to be operated for and can host payloads for military or government purposes.