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

November 2025 geomagnetic superstorm 30 ft GPS errors (farming impacts) – Space Daily
Image: European Space Agency What's new: A report on the impact and potential impact of solar activity on GPS/GNSS in November 2025. The report also includes a short discussion on the possible impacts on farming if it happened at another time of year. Why it's...

HENSOLDT presents SkyBarrier: a mobile broadband jammer for satellite-based navigation signals
Image: HENSOLDT What's new: A multi-GNSS jammer from German manufacturer HENSOLDT. Why it's important: This kind of very open advertising is a symptom of how drones have become a real threat and GNSS jamming is moving into the mainstream. What else to know: This is...

How to Hack a Superyacht – The Walrus
Image: Shutterstock What's new: An article about how in 2009 Todd Humphreys, inspired by Logan Scott, became a spoofer. Why it's important: It is a fascinating story the whole PNT community will enjoy. It includes how Todd came to find himself in the middle of the...

We Trust GPS With Our Lives. It’s About To Collapse – The Telegraph
Image: Bloomsbury Publishing What's new: A review of the new book about the history and current state of GPS and GNSS by Katherine Dunn. Why it's important: The book is engaging and informative for everyone and should be of particular interest to those in the PNT...

LA/Long Beach VTIS Records Spoofing Event in January 2026 GPS Test Window – Inside GNSS
Image: CAPT James Haley What's new: A rare spoofing event in the continental USA. Why it's important: It shows no one is safe anywhere. Also that not all spoofing is malicious (but it is always dangerous). What else to know: CAPT Haley did most of the work for this...



















