Fess up.(Galileo positioning system)

Galileo proponents have finally acknowledged that public funding presents the only feasible way to launch a satnav system. Now that they have shed the PPP illusion, it behooves us all to examine other Galileo myths, rehearsed again in a recent Financial Times article. The press picks up these embroideries and perpetuates them; they do a disservice to the satnav community.

Galileo will be more accurate than GPS. This highly exaggerated claim is just plain wrong. GPS accuracy and GPS clocks continue to improve, and added ground stations enhance orbit predictions. While th