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
Making the Earth mathematically flat – KeplerKoord
Image: Equal Earth projection showing land masses in correct proportion (Shutterstock) What’s new: A greatly improved method of making the round-earth flat for precise navigation. It is being shopped around by KeplerKoord. Why it’s important: Most navigation...
No signal left behind: new ways to detect jamming and spoofing – ESA
Image: Shutterstock What's new: An item from the European Space Agency about GNSS interference monitoring that describes three "new" methods. Why it's important: Before you can properly solve or mitigate a problem you have to know it exists and sufficiently understand...
Mobster/Oligarch’s powerful GPS jammer in Sofia disrupted air traffic, TV – KALDATA & BTA
Image: Shutterstock (note: most oligarchs are uglier) What's new: Impacts from a GPS jammer in Sofia, Bulgaria included disrupted air traffic, disrupted airport ground traffic, and unspecified interference with television broadcasts. The jammer was being used by a...
Trust the Signal, Doubt the Position – RealClear Defense
Image: Shutterstock What's new: An intriguing article about authentication and confidence in navigation and timing solutions. Why its important: There are a lot of factors that go into safe, resilient use of PNT signals. If one is ignored or gotten wrong the result...
ADS-B interference mapping and GNSS – Inside GNSS
Image: GPSjam.org for 16 Aug 2026 What's new: An insightful article that discusses misconceptions about GNSS interference detection and maps. Why it's important: Not understanding these issues correctly can lead to bad political, strategic, tactical, and...
