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
Sorry, SpaceX: It’s Getting Too Crowded Up There – New York Times
Image: European Space Agency What's new: An interesting article about how climate change is reducing number of satellites that can safely co-exist in Low Earth Orbit (LEO). Why it's important: Humanity is becoming increasingly dependent on satellite services from LEO....
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...
GPS is key to the global economy. It’s also surprisingly easy to attack. – Washington Post
Image: Shutterstock What's new: A summary/ overview article of GPS' importance and vulnerability in the Washington Post. Why its important: The primary challenge to PNT resilience in the U.S. is lack of leadership focus and effort. While "the Post" is not the most...
Dark Fleet Spoofing – Inside GNSS
Image: Shutterstock What's new: A "European perspective" from my colleague Peter Gutierrez at Inside GNSS. Why it's important: Peter makes a number of important points: "The AIS spoofing incident is not an isolated incident but part of a broader signal-integrity...
Where Drones Drop Dead and GPS Goes Haywire – Wall Street Journal
Image: Shutterstock What's new: An article about challenges operating in the Arctic which include degradation or denial of GNSS. Contributors to degradation can include low elevation of satellites, terrain, and Earth's electromagnetic field. Why it's important: The...



















