Russia is jamming more GPS satellite signals around Moscow | New Scientist
China's Rival to GPS Navigation Carries Big Risks
GNSS
GLONASS - Wikipedia
How is GPS different from its main rival GLONASS? - Russia Beyond
Glonass - IAS4Sure
The GPS wars have begun | TechCrunch
GLONASS navigation system
GLONASS company to build 27 more satellites - GPS World
Russia to 'restrict' US-run GPS satellites - BBC News
GLONASS Future and Evolutions - Navipedia
GPSrChive - Satellites
How Russia's GPS satellite signal jamming works, and what we can do about it | Space
Glonass System Satellites - Aerospace Technology
Russia Threatens to Destroy U.S. GPS Satellite Constellation - Parabolic Arc
China's BeiDou, Russia's Glonass Pact On Satellite Navigation Another Booster For Moscow-Beijing Military Ties
What is GLONASS And How It Is Different From GPS
History of GLONASS - Wikipedia
Russia Will Install GLONASS Monitoring Stations In China; China to Reciprocate - Inside GNSS - Global Navigation Satellite Systems Engineering, Policy, and Design
DoT, Fearing China/Russia Threats, Tests GPS 'Back-Ups' - Breaking Defense
Global Navigation Satellite Systems | Hydro International
