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

Light at the end of M-code’s tunnel? – Breaking Defense
Photo Credit: SpaceX / U.S. Space Force via DVIDS What's new: The Air Force has recently taken over the MGUE program from Space Force and is predicting TESTING of the cards for equipment will be complete next year. Why it's important: M-code enabled receivers will be...

GPS Is Not Guaranteed: Impact on ports (Webinar 21 May)
Image: Shutterstock What's new: A webinar featuring our colleague Matt Shirley. Matt is a professional port pilot and has some interesting insights on maritime reliance on GPS/GNSS, how things could go wrong without resilient PNT, and how things could go better with...

Intl Airline Pilots Assn calls for changes & GPS backup
Image: Aircraft near Delhi, India being spoofed 5 Nov 2025 - GPSWise What's new: The International Federation of Air Line Pilots’ Associations (IFALPA) called for actions to combat GNSS disruption from ICAO, nations, air navigation service providers, manufacturers,...

What is system “resilience”?
Image: Shutterstock What's new: Discussion of system "resilience," especially in the context of PNT. Why it's important: We sometimes hear folks ask for a definition of "resilience." Many are genuinely seeking to define terms to help in identifying solutions. Others...

RNT Foundation Annual Meeting a Huge Success
Image: RNT Foundation What's new: Our recent annual meeting was a huge success featuring: Comments from Department of Defense/War Assistant Secretary for Space Policy, Hon. Marc Berkowitz, Comments from Department of Transportation Acting Assistant Secretary for...



















