The Global Navigation Satellite System, which was officially inaugurated in 1993, is a Russian counterpart to the U.S. Global Positioning System (GPS). It fixes the location and speed of surface, sea and air objects to within an accuracy of one meter.
A Russian Soyuz-2.1B carrier rocket will lift off from the Plesetsk space center on Friday to deliver another Glonass-M navigation satellite into orbit, Russian Aerospace Defense Forces spokesman Col. Alexei Zolotukhin said.
German firm Jena-Optronik GmbH has delivered an advanced star sensor to Russia's Reshetnev Information Satellite Systems company (ISS), which will test and integrate it on a GLONASS navigation satellite, Reshetnev said on Wednesday.