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
Bogus claim in Al Jazeera – China’s Bei Dou is “unjammable”
Image: Shutterstock What's new: A claim in Al Jazeera that Iran is using an "unjammable" version of Bei Dou to guide its missiles and drones. Why it's important: The claim is being repeated by other news outlets, but it is wrong. What else to know: Most of our readers...
China holds the GPS advantage over the US. Here’s why, and how to solve it. – Breaking Defense
Image: Shutterstock What's new: An opinion piece by Sean Gorman about the need for a resilient PNT architecture that includes terrestrial systems. Why it's important: These kinds of articles keep the issue fresh in people's minds. When they come from different...
Will Golden Dome Fix PNT for UAS and C-UAS? – Inside Unmanned Systems
Image: UK Civil Aviation Authority What's new: An article in Inside Unmanned Systems about Golden Dome and that system's need for resilient PNT which could also support UAS and Counter-UAS operations. Why it's important: The government seems concerned about UAS and...
GPS Needs a Backup – Letter to the Editor, Washington Post
Image: Shutterstock What's new: A letter from RNT Foundation members Gen. William Shelton, and CAPT Dana A. Goward to the Washington Post commenting on an article they published at the beginning of the year. Why it's important: From our perspective, the issue is not...
New Asst Secretary of Defense for Space Policy is PNT Expert
Image: Marc Berkowitz at Senate confirmation hearing (screenshot) What's new: The Hon. Mark J. Berkowitz is the new Assistant Secretary of Defense for Space Policy. Why it's important: Mr. Berkowitz is well versed on GPS vulnerability and other PNT issues. In 2024 he...



















