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Positioning, Navigation, and Timing (PNT) Satellites

Positioning, Navigation, and Timing Satellites

Of the 465 spacecraft deployed during 2018, 6% (27) were for Positioning, Navigation, and Timing (PNT) missions. These new PNT satellites were added to existing PNT constellations belonging to five nations and the European Union (EU)/European Space Agency (ESA). PNT satellite deployments in 2018 increased the overall number of dedicated PNT satellites by 22% from 2017. By the end of 2018, 147 PNT satellites orbited the Earth in six constellations.

The Space Report’s data about PNT satellites show shifts in just how active nations were in 2018 with respect to building out or...


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Stats for this resource: word count: 268, number of exhibits: 1


Global navigation satellite systems (GNSS) provide positioning, navigation, and timing information. These satellite systems are augmented by ground stations which can be used as reference points to increase the accuracy of information derived from the satellite signals.
Exhibits from each report through the years showing positioning, navigation, and timing satellite numbers.
Year: 2018
Country: China, Russia
The top three manufacturers of PNT satellites in 2018, from an overall share perspective...
Year: 2018
Of the ### PNT satellites in Earth orbit during 2018, ### were operational, up ##% from 2017’s total of ## operational...
Year: 2018
Like PNT deployments in previous years, the majority of the ## PNT satellites deployed in 2018, ##% (##) were for...
Year: 2017
PNT satellite constellations continued growing during 2017. Deployments led to a ##% increase in the in-orbit PNT satellite population as a result of Chinese, European, ...
Year: 2016
As the world’s population continued integrating space positioning, navigation, and timing (PNT) technologies and services, the number of PNT satellites continued to multiply in 2016, growing slightly more than ##% from 2015. Relative newcomers to PNT space operations, such as Europe, India, and...
Year: 2015
The number of positioning, navigation, and timing (PNT) satellites orbiting the Earth increased by ##% from the end of 2014 through 2015. Of the ## nations fielding space-based PNT satellites or systems, the biggest contributors to the number of satellites in 2015 were the European Union and China....
Year: 2014
The military and commercial value of positioning, navigation, and timing (PNT) systems has gained such prominence that PNT systems are often considered to be critical infrastructure. The proliferation of smartphones and other consumer devices that rely on PNT services has spread this dependence...

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