The RNT Foundation is a public benefit scientific and educational charity, 501(c)3
Protect the Frequencies – By preventing interference
Toughen Receivers – With readily available technology
Augment Services – With difficult to disrupt terrestrial signals
What to do? Some recommendations.
eNewsletter Archives
From Our Blog

November 2025 geomagnetic superstorm 30 ft GPS errors (farming impacts) – Space Daily
Image: European Space Agency What's new: A report on the impact and potential impact of solar activity on GPS/GNSS in November 2025. The report also includes a short discussion on the possible impacts on farming if it happened at another time of year. Why it's...

SpaceX and Rivals Dodge Traffic as Satellites, Debris Crowd Low-Earth Orbit – WSJ
Image: European Space Agency What's new: A reminder about the dangers of space debris, congestion, and the threat of the Kessler Syndrome. Why it's important: We depend upon space-based for many everty-day services. The U.S. has more satellites and is more dependent...

The solar storm of the century is overdue. Are we ready for it? – Royal Aeronautical Society
Image: NASA and Shutterstock What's new: A paper from the Royal Aeronautical Society. The topic isn't exactly new, but it has been a while since we have mentioned it as a huge threat to satellites, signals, and users. Why it's important: GNSS is essential to most...

ESA study – ‘PNT trust & resilience big gaps for self-driving cars.’
Image: Shutterstock What's new: An ESA NAVISP study concluded that for automated and assisted driving, three of the most important PNT areas that need to be addressed are "...availability, robustness, and verification — not accuracy alone." Why it's important: ESA is...

No signal left behind: new ways to detect jamming and spoofing – ESA
Image: Shutterstock What's new: An item from the European Space Agency about GNSS interference monitoring that describes three "new" methods. Why it's important: Before you can properly solve or mitigate a problem you have to know it exists and sufficiently understand...



















