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
Global LEO PNT Report – Frontier SI
Image: FrontierSI What's new: An update to FrontierSI's LEO PNT report. It was completed at the end of 2025 and published yesterday. Why it's important: It is a rapidly growing field. There were 9 projects listed in the 2024 report and 14 in this one. The growth in...
Iran Disables Musk’s Starlink Internet Network – IranWire
Image: Shutterstock What's new: Iran has used military grade jamming to prevent use of Starlink in the country. Why it's important: Starlink is a LEO comms system that can also be used by some for PNT when GNSS is not available. From a PNT community point of view, it...
Norway to Build Non-satellite Timing Network
Image: Shutterstock What's new: Two government agencies in Norway are proposing establishment of a national time service that does not depend on satellites and are asking for input. Observers tell us this project will go forward and this request is to help refine how...
The rise of LEO PNT – GPS World
Image: Shutterstock What's new: An article providing and excellent overview and summary of where we are today with LEO PNT, and where things look like they are going. Why its important: PNT from LEO can have lots of attributes that decrease users' vulnerabilities...
China holds the GPS advantage over the US. Here’s why, and how to solve it. – Breaking Defense
Image: Shutterstock What's new: An opinion piece by Sean Gorman about the need for a resilient PNT architecture that includes terrestrial systems. Why it's important: These kinds of articles keep the issue fresh in people's minds. When they come from different...



















