Russia starts major upgrade of Glonass satellite navigation network and its geostationary-orbit overlay

by Peter B. de Selding

PARIS — The Russian government is preparing a major upgrade to is Glonass positioning, navigation and timing network by doubling the number of ground stations providing system validation via geostationary-orbit satellites and boosting the number of satellites connected to them.

The upgrade also includes the launch of six elliptical-orbit Glonass satellites to augment coverage in the Eastern Hemisphere, with launches scheduled between 2023 and 2025.

Ivan Revnivykh, head of the Glonass applications division of Russia’s Roscosmos space agency, said Russia’s Glonass overlay . . .

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