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
(Here to stay) Spoofing: A Clear And Present Danger For Airlines – Aviation Week
Image: Shutterstock What's new: Data and anecdotes we have not seen often, in some cases ever, about interference in aviation: EASA said that of about 6,000 spoofing incidents in 2025, 25% were during approach. - That counts! On spoofing: “Actual occurrences are...
RMI: Key measures to mitigate impacts of GNSS interference – Safety4Sea
Image: YouTube Capture What's new: Among a flurry of recent reports about greatly increased GNSS interference at sea, the Republic of the Marshall Islands Registry has published some best practices for safe navigation. Why it's important: GNSS interference has...
UKTMO: Increased GNSS interference in the Middle East – Safety4Sea
Image: Shutterstock What's new: GPS interreference in the Middle East was bad, now its worse. Why its important: Approx 53,000 ships transit the Persian Gulf each year carrying oil out and critical supplies in. Approx 26,000 ships transited the Suez Canal in 2023...
Seeking Advantage – What’s the best PNT? (RNTF Commentary)
Image: Shutterstock We see A LOT of articles about different PNT systems, services, and techniques in the popular and industry press. Many tout a system being offered by the author or their company. Too many attempt to elevate their product by denigrating other...
Qatar halts all maritime activity due “technical fault in the GPS” – Marhaba
Image: Shutterstock What's new: The Qatar Ministry of Transport issued a circular temporarily halting all maritime activity for the nation and its waters because of "a technical fault in the GPS." Why it's important: Maritime activity is the lifeblood of many nations....
