***Meaning*** :: <u>G</u>lobal <u>N</u>avigation <u>S</u>atellite <u>S</u>ystem ***Definition*** :: Satellite navigation system that provides autonomous geospatial positioning with global coverage. It allows small electronic receivers to determine their location (longitude, latitude, and altitude) to within a few meters using time signals transmitted along a line of sight by radio from satellites. ***Source*** :: [[PHAK Glossary]] The U.S. [[GPS]] system is the GNSS system that pilots are most familiar with. But several others exist, including Russia's GLONASS, the European Union's Galileo, and China's BeiDou. #glossary #acronym