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…
PNT cyber guidance update – NIST wants your input
Image: RNT Foundation What’s new: Draft updated PNT cyber guidance from NIST. They are seeking public comment and input. Why it’s important: PNT and cyber are well intertwined. PNT is an essential tech infrastructure so protecting it from malicious cyber…
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…
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,…
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…
