GPS As a Key Distribution Platform

This is interesting: The U.S. military has likely been quietly broadcasting codes for its global encryption network using public GPS for nearly 20 years, turning each satellite into a hidden “numbers station,” according to Steven Murdoch… That means every device that uses GPS has been receiving hidden government information for years, and nobody outside the military knew it until now. […] Murdoch discovered that this particular sentinel was transmitted by all 31 operational satellites within a w...