Navigation radio service via satellite
The radio navigation service via satellites ( English radionavigation-satellite service ) is, according to the definition of the International Telecommunication Union, a radio positioning service via satellite for radio navigation purposes .
This radio service is a safety-relevant or safety-of-life service , must be protected from interference and is an important part of navigation .
The following are examples of GNSS radio applications for the navigation service via satellites:
- Global Positioning System (GPS), with Differential Global Positioning System (DGPS), United States
- GLONASS , Russia
- Beidou , People's Republic of China
- Galileo , European Union
- Complementary systems Satellite Based Augmentation Systems