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...
Comments to FCC opposing NextNav’s petition for lots more spectrum
Image: Shutterstock What's new: The RNT Foundation filed additional comments with the FCC opposing NextNav's petition to be granted a huge chunk of spectrum. We had previously filed comments in September. Why it's important: NextNav made several statements to the...
More on GPS complements for Aviation – Osechas & McGraw
Image: Real time display of aircraft being spoofed courtesy SKAI Data Services What's new: Dr. Okuary Osechas and Dr. Gary McGraw continue to refine their December paper that examined navigation systems needed in aviation to complement GPS/GNSS in order to achieve...
Restoring the U.S. Advantage in Satellite Navigation – Defense Opinion
Image: Shutterstock What's new: A Mark Berkowitz opinion piece on the way forward with GPS (hint - it is not R-GPS). Why it's important: R-GPS would be billions of dollars. What to do with the existing GPS constellation is also an expensive and current topic of the...
PNT and Space Weather – Roundtable slides from ION President Dr. Gary McGraw
Image: Shutterstock What's new: Slides from the National Air Space Roundtable on Space Weather. Interesting info, especially for those not familiar with the issue. Why it's important: With all the focus on malicious jamming and spoofing recently, folks tend to forget...



















