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
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 – Breaking 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...
Denmark records record GPS disruptions, Russian attack planned? – EUalive
Image: EUalive What's new: A report coupling a rise in GPS disruptions and a possible Russian attack on a NATO member state. Why it's important: Intentional GPS and other GNSS disruptions by nation states are a form of electronic warfare. Note the word "warfare." ...
What’s Next for GPS? – Aerospace Corporation
Image: Lockheed Martin What's new: A thought piece from the highly respected Aerospace Corporation. Why it's important: The article includes a number of important policy-related comments and observations. For example: "One of the most fundamental questions is: Who is...
