It's been many years since 1973, the creation date of the GPS. Since then more constellations joined to form our modern GNSS technology. However, over the last decade, new various vulnerabilities put our Positioning and Timing services at risk by hostile actors.
During the last few years, both NGOs and State agencies have expressed concern over PNT vulnerability, and issued different requirements and recommendations to foster resilient PNT best practices.
Below you will find a summarized list of different regulatory requirements around the globe, that will be constantly updated.