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

How and Why Celeste is a Big Upgrade – Open Receiver
Image: European Space Agency What's new: An article about the European Space Agency's LEO PNT demonstrator, Celeste, and how it complements Galileo adding resilience. Why it's important: Celeste adds a number of upgrades and advantages for accuracy and...

Two US-bound ships hacked – a huge danger
Image: Shutterstock What's new: Ships enroute the U.S. boarded by US Coast Guard and FBI because they were compromised by cyberattacks. Why it's important: Large commercial vessels are large! Sheer bulk and often the cargo make them very dangerous if they are out of...

‘No trouble in Switzerland, we can get rid of ILS’ – Bureaucrats deceived, pilots object
Image: Shutterstock What's new: Swiss officials have a program to disestablish terrestrial Instrument Landing Systems (ILS) at its airports in favor of GPS-based approaches. Pilots have objected, and they are being backed up by the European Union Aviation Safety...

Why is it so hard to prevent bad things?
Images: Shutterstock, National Guard, and NASA For years safety experts urged a malodorant be added to natural gas so leaks could be easily and quickly detected. Yet it wasn't until after 298 children and teachers, almost the whole school, were lost in a New...

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...



















