satellite navigation system

Scientists have announced the discovery of an ancient city in the northern capital of Rome (Italy) by ground-sweeping radar (GPR).

Brazil became the first country outside Russia to receive part of its satellite navigation system, called Glonass, according to the Associated Press on February 20.

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