Definition
GLOBAL NAVIGATION SATELLITE SYSTEM (GNSS)
GNSS refers collectively to the worldwide positioning, navigation, and timing determination capability available from one or more satellite constellations. A GNSS constellation may be augmented by ground stations and/or geostationary satellites to improve integrity and position accuracy.
- See: GROUND-BASED AUGMENTATION SYSTEM
- See: SATELLITE-BASED AUGMENTATION SYSTEM
Source: FAA Pilot/Controller Glossary (verbatim from the Federal Aviation Regulations).