Global Navigation Satellite System (GNSS)
A world-wide position, time and velocity radio determination system comprising space, ground and user segments.
Galileo. The planned European satellite positioning, navigation and timing system.
Global Positioning System (GPS). The space-based, radio positioning, navigation and time-transfer system operated by the United States Government.
GLONASS (Global Navigation Satellite System). The space-based radio positioning, navigation and time transfer system operated by the Government of the Russian Federation.
GNSS service. The service relates to the properties of the signal in space provided by the space and ground segments of the GNSS.
Source: Nick Ward, Vicechair, IALA e-Nav Committee, March 2009
Global Positioning System. Operated by the Government of the United States
Global Navigation Satellite System, operated by the Government of the Russian Federation
Globalnaya Navigatsionnaya Sputnikovaya Sistema
Global Navigation Satellite System
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM