Vietnam developed the North Dau navigation system receiver
Bac Dau is compatible with the US GPS navigation system, European Galileo system and Glonass of Russia. Bac Dau provides free civil navigation services with a range of 10mThe Chinese navigation system is recognized by international organizations
The Bac Dau satellite navigation system is recognized by the International Maritime Organization (IMO), marking an important step of China in the development goal on par with the