Source: https://www.404media.co/the-u-s-military-quietly-turned-gps-into-a-global-numbers-station-evidence-suggests/ From the post: >>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, an information security expert, who detailed his findings in a new article in Inside GNSS. That means every device that uses GPS has been receiving hidden government information for years, and nobody outside the military knew it until now.