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

Russian submarines and GPS jamming: The new reality for Baltic cruisers
Image: Shutterstock What’s new: A maritime report and perspective we don’t usually hear from – the yachting world. Why it’s important: This article provides a very personal and relatable account of being bullied in the Baltic by Russian forces. It also shows how GNSS…

PNT from 4G & 5G – Russia testing in battle, China likely developing
Image: Shutterstock What’s new: Two items, possibly related. Info that Russia is experimenting with PNT from cellular on its drones in Ukraine for GPS-denied environments. An item about China creating a military 5G network that can be deployed on mobile assets….

‘You can no longer fully trust your onboard systems.’ Pilots say airline hacking attacks now a daily problem – Irish Times
Image: Shutterstock What’s new: Another report about the serious impacts of GPS jamming and spoofing in aviation. Why it’s important: Eventually people are going to die. If they haven’t begun dying already. We are confident Russian forces did not…

Russian drones using Chinese CRPA antennas – United24 Media
Image: Shutterstock What’s new: Russia is using Chinese anti-jam antennas on their Iranian-made drones to attack Ukraine. These antennas counter much of the Ukrainian jamming they use to protect themselves. Why it’s important: Drone warfare has become an…

GPS interference comes to Bulgaria – Putin’s punishment?
Image: GPSJam.org & RNT Foundation What’s new: Persistent GPS interference detected in and around Sofia, the capital of Bulgaria beginning on 12 December 2025. Why it’s important: PNT signals from GPS underpin all kinds of critical infrastructure and…



















