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
New Asst Secretary of Defense for Space Policy is PNT Expert
Image: Marc Berkowitz at Senate confirmation hearing (screenshot) What's new: The Hon. Mark J. Berkowitz is the new Assistant Secretary of Defense for Space Policy. Why it's important: Mr. Berkowitz is well versed on GPS vulnerability and other PNT issues. In 2024 he...
A New U .S . DoD Arctic Strategy – Resilient PNT – The Missing Ingredient? ION NEWSLETTER
Image: Shutterstock What's New: A "Defense Matters" column in the most recent newsletter from the Institute of Navigation. Why It's Important: PNT underlies every technology and enables many DOD weapons systems, ability to maneuver, etc. Most of DOD's PNT is GPS. As...
Conflict GPS jamming impacting LEO satellites
Image: Prof Todd Humphreys, Univ Texas Radionavigation Lab What's New: A graphic from Prof. Todd Humphreys showing loss of GPS/GNSS signals by satellites in Low Earth Orbit (LEO) because of jamming on the ground. Why It's Important: :Most LEO satellites use location...
IATA – Aviation remains resilient during unrest in the Middle East
Image: Shutterstock What's New: A statement by the head of the International Air Transport Association, the trade association for major airlines. Why It's Important: The statement shows the differences in point of view and communications between airlines and national...
War Game: China will attack Taiwan’s comms tech, GPS – SpaceNews
Image: RNT Foundation What's New: The results of a war game outlining how China will cut undersea cables, attack GPS, and otherwise isolate Taiwan in a conflict to take control of the island. Why It's Important: Like most advanced nations, Taiwan has not widely...



















