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
NATO addresses electromagnetic interference threats to civil aviation safety – NATO News
image: Shutterstock What's new: A NATO news release that it is doing something (?) about GPS jamming and spoofing in civil aviation. Why it's important: Jamming and spoofing can contribute to accidents and people getting killed. As examples: A passenger aircraft that...
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 major part of...
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 applications....
Putin has built a secret weapon in Kaliningrad – and Denmark could be in the firing line – TV2
Image: Russian Space Systems What's new: An interesting look at one of the devices in Kaliningrad that is being used to cause so much trouble. Why it's important: Well, more interesting than important, maybe. The impacts of using this thing are important. And they are...
Impact of L-Band MSS ‘Direct-to-Device’ Operations on GPS – NTIA request for comment
Image: Shutterstock Blog editor's note: This is important. If you have expertise in this area, you really should comment. Below are excerpts from the NTIA notice in the Federal Register. Access the full notice here. Impact of L-Band MSS ‘Direct-to-Device’ Operations...
