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

A GPS Blackout Would Shut Down the World – Wired
Image: Shutterstock What's new: A comprehensive article in Wired that discusses the need for government leadership a lot more than most similar pieces. Why it's important: Government leaders' concern, and most importantly action, are the only way the U.S. or any other...

NAB, Sinclair, UrsaNav Demonstrate GPS Backup System – Location Business News
Image: Shutterstock What's new: A demonstration combining two terrestrial PNT systems - the Broadcast Positioning System (BPS) and eLoran. Why it's important: The two systems can support each other synergistically and provide a very robust alternative to GPS for the...

FCC asks about PNT alternatives – Comments due 28 April 2025
Image: FCC, Chairman Carr at recent meeting What's new: The Federal Communications Commission (FCC) has issued a Notice of Inquiry (NOI) seeking a vast amount of information about positioning, navigation, and timing (PNT) policies and systems from the public. Why it's...

US Space Force’s NTS-3 Satellite Project Postponed – Railly News
Image: USAF-2d-Lt-Jacob-Lutz-AFRL-RV What's new: The first U.S. experimental navigation satellite in almost 50 years is delayed yet again. Why it's important: Results from the experiments planned will be delayed, as will any follow-on improvements to satellite...

GPS spoofing makes cargo ships go supersonic – video
Image: MaritimeTraffic.com Great post last week on LinkedIn by Lorentz Ryan, Managing Director at AD Navigation AS. "Total navigational mayhem entering Gulf of Gdansk this morning. Strong GNSS spoofing attack taking place. This is "sending" most ships all around the...