Galileo, GPS Can Work Together, Exchange Data

Using an advanced modulation technique, the first two satellites from Europe's new Galileo satellite navigation and positioning system were able to relay data in a manner that ensures it is completely interoperable with the American-built Global Positioning System (GPS). The European Sp... [ read more >> ]

The first two of four Galileo In-Orbit Validation satellites were launched on October 21, 2011

Image comment: The first two of four Galileo In-Orbit Validation satellites were launched on October 21, 2011
Image credits: ESA / P. Carril

The first two of four Galileo In-Orbit Validation satellites were launched on October 21, 2011