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….

Jamming-proof celestial navigation for drones – Spatial Source (devil is in the details)
Image: Shutterstock What’s new: An article about a celestial nav system that can be strapped on drones. Why it’s important: It is relatively easy to jam or spoof GNSS signals on most drones making them ineffective. And we know of instances when accidental…

‘U.S. endangered, leadership needed’ 2024’s PNT Advisory Board – ION Newsletter
Image: Shutterstock Vol 35 No 1 Winter 2025 2024’s PNT Advisory Board U.S. endangered, leadership needed Massive increases in threats and disruption of GPS services over the last four years, advances by America’s competitors, and little progress on improving…

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…



















