What are the Next-Generation GNSS Constellations?

What are the Next-Generation GNSS Constellations?

Global Navigation Satellite Systems (GNSS) have unleashed innovative commercial, scientific, and military applications since the US Global Positioning System (GPS) entered service in the 1980s. Today, GNSS constellations from the US, Europe, China, and Russia circle...
Space Weather and GPS Operations

Space Weather and GPS Operations

The Sun’s atmosphere and magnetosphere extend far beyond Neptune’s orbit, leaving Earth orbiting through a cloud of plasma that constantly interacts with our planet. In extreme conditions, space weather makes GPS reception less reliable and can impact industrial...
GNSS from Low Earth Orbit: Where Are We in 2022?

GNSS from Low Earth Orbit: Where Are We in 2022?

In the nearly three decades since America’s Global Positioning System became fully operational, three more GNSS constellations have entered service. Comprising dozens of satellites in Medium Earth Orbit (MEO) or higher, these constellations provide global positioning...