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Russia's Glonass Satnav Goes Global Again

© RIA Novosti . Maxim Bogodvid / Go to the mediabankRussia's Glonass Satnav Goes Global Again
Russia's Glonass Satnav Goes Global Again - Sputnik International
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Russia has put into operation one of its four orbiting reserve satellites to reestablish global coverage provided by its Glonass navigation system, Russian space officials said Thursday.

MOSCOW, July 4 (RIA Novosti) – Russia has put into operation one of its four orbiting reserve satellites to reestablish global coverage provided by its Glonass navigation system, Russian space officials said Thursday.

Global coverage was interrupted on Monday when Glonass-M satellite # 728 was removed from operation due to a signal transmission failure. Russian experts are attempting to correct the glitch.

“Spacecraft # 747 joined the operation of the Glonass grouping on July 4,” Russia’s space agency Roscosmos said on one of its Glonass monitoring websites Thursday.

A group of 29 Glonass satellites is currently in orbit, with 24 spacecraft in operation, three spares, one in maintenance, and one in test flight phase, according to Roscosmos.

Glonass (Global Navigation Satellite System), which was officially launched in 1993, is Russia’s answer to the US Global Positioning System (GPS). It provides real-time positioning and speed data for surface, sea and airborne objects with an accuracy of one meter.

The Glonass system requires at least 18 operational satellites for continuous navigation services across the entire territory of Russia and 24 satellites to provide navigation services worldwide.

By 2020, Russia plans to have 30 Glonass-M and new-generation Glonass-K satellites in orbit, including six in reserve, Roscosmos says.

On Tuesday, Russia lost three Glonass satellites when a Proton-M rocket crashed during a launch from the Baikonur space center in Kazakhstan.

 

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