Augmentation & Assistance

The System: GLONASS Heaves Three Aloft

January 1, 2010By

The Russian space agency Roscosmos launched a venerable Proton rocket carrying three GLONASS-M satellites into orbit on December 14. Each 3,000-pound satellite is designed to last seven years. They join a constellation numbering 19 satellites, although only 16 are healthy. Russian politicians and satnav system managers had hoped to launch six satellites between September and December, to attain a global service... read more

The System: Galileo Slips, EGNOS Operates

November 1, 2009By

Four Galileo in-orbit validation (IOV) satellites scheduled to launch next year have already missed their first pad date.The European version of Russia’s Soyuz rocket is now scheduled to carry the four IOV satellites into orbit in two launches in November 2010 and early 2011, as announced by European Space Agency (ESA) Director-General Jean-Jacques Dordain on October 9. Both launches had... read more