By Marc J. Berkowitz, Defense Opinion Writer. The United States has ceded its leadership position in space-based positioning, navigation and timing (PNT), with stark ramifications for most all U.S.

Galileo, and Global'naya Navigatsionnaya Sputnikovaya Sistema (GLONASS). Published in the journal Satellite Navigation on April 8, 2024, their research demonstrates significant enhancements in ...

These factors have led to the development of a spate of satellite navigation systems being developed by other nation states. Russia’s GLONASS, the European Union’s Galileo, and China’s ...

The European Union activated its Galileo satellite navigation system in December 2016. The EU is dedicated to setting this system apart from other navigation systems such as GPS - the US ...

The Kepler infrastructure thus consists of three main components: Kepler uses the exact same MEO constellation as Galileo. Accordingly, 24 MEO navigation satellites will be placed in three orbital ...

More information: Xingxing Li et al, Determination of global geodetic parameters using satellite laser ranging to Galileo, GLONASS, and BeiDou satellites, Satellite Navigation (2024). DOI: 10.1186 ...

With tomorrow's launch of 4 more #Galileo satellites, Europe's satellite #navigation constellation will reach 26 satellites in space, completing the project's first construction cycle. The Galileo ...

India successfully launched into orbit on Wednesday a new navigation satellite aboard a home-grown rocket, strengthening its ...

High-precision orbit and clock information is a basic requirement for precise positioning with Global Navigation Satellite Systems (GNSSs) such as the American GPS or the European Galileo. Satellite ...

Firefly Aerospace's Blue Ghost lander is healthy on its way to the moon, and even witnessed a solar eclipse from space when Earth passed in front of the sun as seen from the spacecraft.