Monitoring Desk: Russia will launch three GLONASS Systems for Differential Correction and Monitoring (SDCM) in China, Kazakhstan and Belarus in October, said Deputy General Director of the Russian Space Systems JSC Grigory Stupak .
According to Ria News, Russia has 19 of such stations on its territory. They allow to improve the accuracy of navigation signal reception up to one meter.
Russia has also four SDCM stations overseas – three stations in Antarctica and one in Brazil.
The System for Differential Corrections and Monitoring (SDCM) is the Satellite-based augmentation system (SBAS) currently being developed in the Russian Federation as a component of GLONASS. The main differentiator of SDCM with respect to other SBAS systems is that it is conceived as an SBAS augmentation that would perform integrity monitoring of both GPS and GLONASS satellites, whereas the rest of current SBAS initiatives provide corrections and integrity just to GPS satellites.
GLONASS (Global Navigation Satellite System) is a space-based satellite navigation system operated by the Russian Aerospace Defense Forces. It provides an alternative to Global Positioning System (GPS) and is the second alternative navigational system in operation with global coverage and of comparable precision.
