The new GPS is called Global Navigation Satellite Systems (GNSS) and consist of new GPS satellites with new signals, augmentation systems to assist current GPS signals, and new constellations of satellites such as Galileo. The design of these new systems takes into account the presence of space weather to the extent possible. This prompts two questions. (1) Will these GNSS systems be resistant to space weather or will they retain some or all of the vulnerabilities and (2) do we understand space weather well enough to predict the impacts on GNSS receivers? These questions do not have easy answers. For example, space weather is both a curse and a blessing for GNSS receivers. On one hand space weather can degrade accuracy or cause temporary failure. On the other these GNSS receivers are also used as space weather sensors revealing new properties of space weather. This seminar will examine how GNSS technology is evolving and what may happen during the next solar cycle.