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
PNT Threats, Risks and Disaster – Inside GNSS+
Image: Hurricane Isabel from International Space Station - NASA Johnson Space Center What's new: The Washington View column from the Nov/Dec 2025 edition of Inside GNSS+ discussing the danger of confusing threat and risk. Why it's important: The greatest threat is the...
Your Responses to the FCC’s NOI on PNT – Inside GNSS
Image: RNT Foundation Your Responses to the FCC's NOI on PNT A look at the main concerns during the comment period. Dana A. Goward America’s Global Positioning System (GPS) is simultaneously amazing, indispensable, and vulnerable. If its positioning, navigation, and...
“PULL UP, PULL UP!” yet again – The Aviation Herald
Image: Shutterstock What's new: Another instance of a commercial aircraft having a false terrain warning, undoubtedly due to GPS interference. Why it's important: The impacted aircraft was grounded for a week after the incident. From a larger perspective this is bad...
Solar Storms Impact on Farming: 5 Critical Risks in 2025
Image: Shutterstock What's new: Some impacts on farming that we had not considered before. Why it's important: According to the article, 40% of farms could be impacted. We all gotta eat, so that's important. What else to know: We are more than halfway through 2025,...
Climate pollution is making GPS and communications satellites even more vulnerable to solar storms – CNN
Image: John Hartzel What's new: A study about the interaction of climate change and satellite orbits. Why its important: There are a lot of threats to GPS, including severe solar activity. Severe solar activity, while inevitable, has always been considered, and still...



















