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

We Trust GPS With Our Lives. It’s About To Collapse – The Telegraph
Image: Bloomsbury Publishing What’s new: A review of the new book about the history and current state of GPS and GNSS by Katherine Dunn. Why it’s important: The book is engaging and informative for everyone and should be of particular interest to those in the PNT…

LA/Long Beach VTIS Records Spoofing Event in January 2026 GPS Test Window – Inside GNSS
Image: CAPT James Haley What’s new: A rare spoofing event in the continental USA. Why it’s important: It shows no one is safe anywhere. Also that not all spoofing is malicious (but it is always dangerous). What else to know: CAPT Haley did most of the work…

Congress Weighs the State of U.S. PNT: GPS Modernization, Interference Enforcement and the Search for Complementary Architecture – Inside GNSS
Image: Chairman Guthrie, House Energy and Commerce Committee What’s new: A Congressional hearing about PNT policy and backups. Why it’s important: This hearing showed: Congressional concern about the issue – always very important. Significant…

Russia is jamming GPS from space – SpaceNews
Image: Copilot AI What’s new: Another report about Todd Humphreys’ efforts, though this one has a bit more of the backstory about how this was discovered. Why it’s important: We hope this helps raise awareness about threats and risks. What else to…

Inside GNSS, Inside LEO: LEO PNT – Why Now?
Image: Shutterstock What’s new: A new recurring feature at Inside GNSS . Why it’s important: LEO PNT has enormous potential to provide similar services as MEO PNT but with greater performance and greater resilience. What else to know: Xona, Trustpoint,…



















