For several days, two GLONASS satellites went down at once


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For several days, two GLONASS satellites went down at once

According to network sources, two satellites of the GLONASS domestic global navigation satellite system were put out for maintenance with the mark “faulty” over the past few days.

It is reported that on November 16, scheduled maintenance of the Glonass-M apparatus No. 731 began. In addition, on November 20, without warning consumers, the Glonass-M satellite No. 735 was discontinued, which also went for maintenance. Both devices were put into orbit in 2010 and the phase of their warranty operation, equal to seven years, has long been completed. Both satellites are marked “faulty” on the website of the differential correction and monitoring system.

It is worth noting that in August this year, satellites No. 742 and No. 717, which have been in operation since 2011 and 2006, respectively, were decommissioned. Currently, 21 devices are operating in the GLONASS system, while 24 satellites are required to fully cover the Earth's surface. In order to completely cover the territory of Russia with navigation signals, 18 satellites are enough.

Recall that the GLONSS navigation system, along with GPS, is a fully formed system. In addition, the deployment of satellite systems in China (BeiDou) and Europe (Galileo) is currently underway. It is worth mentioning that the GLONASS system broadcasts closed military signals for the Armed Forces of the Russian Federation, which are used not only to orient military personnel and equipment on the ground, but also to direct strategic weapons. The GLONASS open civil signal is distributed free of charge and is available to users all over the world.

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