Image: Federal Communications Commission What's new: RNT Foundation President Dana A. Goward met with FCC Commissioner Trusty and staff recently to discuss global and national PNT policy.  Why it's important: The FCC has three dockets, that we know of, that deal...

Image: USAF Tanker DoD.mil What's new: A near-miss between a Jet Blue airliner leaving Curacao and a USAF tanker. The tanker was not broadcasting its location through ADS-B nor, apparently, notifying air traffic control it was in the area. Why it's important: People...

Image: M/T Skipper, Screenshot Marinetraffic.com What's new: The oil tanker seized by the U.S. that was carrying sanctioned Venezuelan oil had been transmitting incorrect location information, undoubtedly to conceal its activities, for some time. The seizure operation...

Image: RNT Foundation What's new: Congressman Fulcher (R, ID) wrote to FCC Chair Carr saying: "As you know, China and Russia have developed and are deploying back up, terrestrial systems. Once again, we are lagging." "The FCC has heard from various companies that they...

Image: Spirent What's new: An American Airlines and an Air Canada aircraft were spoofed off  the coast of the Carolinas yesterday. This was apparently due to previously announced military testing. Why it's important:  Testing is essential and the military makes every...

Image: NASA Earth Observation Lab What's new: This article is a longer discussion of the NSSA paper we posted about last month. Why it's important: For Golden Dome to succeed, indeed for any real Counter-UAS or UAS system to succeed, it will have to be underpinned by...

Image: GPSJam.org What's new: A more in-depth look at GPSPatron's efforts with Gdynia Maritime University examining GNSS interference from Kaliningrad. It includes comments by Krasimir Hristov, GPS Patron's head of business development. Why it's important:...

Image: Hurricane Isabel from International Space Station - NASA Johnson Space Center What's new: The Washington View column from the Nov/Dec 2025 edition of Inside GNSS+ discussing the danger of confusing threat and risk. Why it's important: The greatest threat is the...

Image: Shutterstock What's new: The proceedings (report-out) of September's PNT Leadership Summit co-sponsored by the RNT Foundation and Inside GNSS+. Why it's important: The event brought together over 100 PNT tech and policy experts from both sides of the Atlantic...

Image: Navigating the Arctic Circle with Starlink and OneWeb LEO Satellites (2025). What's new: A paper from Ohio State University and Prof Zak Kassas. Why it's important: GPS is great but, like any system it has its limitations. identifying and using complementary...

Image: Youtube What's new: Ukraine unmanned systems destroyed a factory that makes GLONASS equipment for drones and missiles. Why it's important: It is confirmation that, even in an age of electronic warfare and in a nation that has terrestrial alternatives, PNT from...

Image: Co-pilot AI What's new: Expanded information about a recent tri-nation meeting led by South Korea. Why it's important: To be really effective, navigation systems must have international standards. What else to know: We posted about this meeting last month, but...

Image: Shutterstock What's new: The GPS World Editorial Advisory Board takes on the question: Among the technical approaches being researched this year for GNSS/PNT protection, which do you consider most effective or promising? Why it's important: This is a critical...

Image: Shutterstock What's new: A report from GPSPATRON looking at GNSS interference in the Baltic originating in Kaliningrad. Why it's important: Some very interesting findings including: 1. Transition from Classical Jamming to Combined Spoofing–Jamming Interference...

Image: Bloomberg, Carla Chew, NASA What's new: A more detailed report on interference in Venezuela than we have seen before. And really great graphics. Why it's important: This report shows multiple day trends and correlates it to U.S. military activity, including...

Image: Shutterstock What's new: Report on a tactic to jam Starlink over broad areas. Why it's important:  Starlink was used to overcome Russian jamming in the early phases of the war in Ukraine and can be used for PNT when GNSS is not available. Low Earth Orbit...

Image: Russian "research vessel" travelarium.ph / Shutterstock.com What's new: A Royal Navy report of Russian vessels sailing close to the U.K.'s shores. A "research vessel" was jamming GPS signals and pointing lasers at patrol aircraft. Why it's important: Other...

Image: GPSJam.org What's new: The US Federal Aviation Administration (FAA) issued an advisory yesterday about "WORSENING SECURITY SITUATION AND HEIGHTENED MILITARY ACTIVITY IN OR AROUND VENEZUELA..." Not mentioned in the advisory, but cited by many media outlets, is...

Image: Shutterstock What's new: The UK Science Minister announced £155M funding for PNT initiatives today at the Royal Institute of Navigation's annual  PNT Leadership Seminar today. Why it's important: PNT is a crucial utility for nearly every infrastructure. GNSS is...

Image: Shutterstock What's new: An article, focusing on maritime, about using data fusion to help overcome spoofing. Why its important: "The prudent navigator will use all means available to determine their position" - long standing maritime adage incorporated into...

Image: Iridium What’s new After 3 years of work (and we are sure much expense) Iridium has developed a chip capable of receiving its timing signal. Why it’s important: Iridium PNT is an independent source of time. NIST confirmed Iridium PNT as an accurate and reliable...

Image: GPS III USAF What's new: A reasonably thorough overview of GNSS, uses, etc. targeted to investors. Why its important: This is what the investment community, those who decide a lot of what commercial endeavors get funded or not, are being told about GNSS/GPS....

Image: Shutterstock What's new: A piece by Avi Rosenthal from the Z-Wave Alliance discussing the need to both backup GPS and not displace well-established users from their spectrum. Why it's important: NextNav has a petition pending before the FCC asking for about $5B...

Image: Copilot AI What's new: A South Korean government press release about a two day meeting with the U.K. and France. Among the discussion items were: Strategic plans to standardize eLoran, and Establishing an international consultative body for eLoran cooperation....

image: Shutterstock What's new: An update on China's commercial LEO PNT efforts from a good friend of the RNT Foundation. References: CENTISPACE: https://www.unoosa.org/documents/pdf/icg/2023/ICG_WG-S_LEO-PNT_Workshop_June_2023/ICG_LEO-PNT_Workshop_2023_01.pdf...

Image: Shutterstock What's new: The EU has released a tender for a study on the feasibility of using LEO communications satellites for "complementary" PNT.  Why its important: It is another way the EU is still working to consider a multiplicity of PNT sources. ESA and...

Image: GPS Spoofing near Delhi on 5 Nov 2025 displayed on GPS Wise (https://gpswise.aero/) What's new: Significant GPS spoofing and air traffic disruption in and around India's capital.  Why it's important: Indira Gandhi International Airport in Delhi is India's...

Image: RNT Foundation What's new: An article about the U.S. Department of Transportation's (DOT) actions on complementary PNT (CPNT). Why it's important: DOT is continuing to act as best they can and are allowed by the Office of Management and Budget The most they are...

Image: Shutterstock What's new: A paper by the National Security Space Association. Why it's important: Reliable systems need reliable (and resilient) infrastructure, including PNT. A resilient PNT architecture properly implemented for Golden Dome, including the...

Image: NDIA What's new: A podcast by the National Defense Industrial Association's (NDIA) Emerging Technologies Institute. Why it's important: NDIA has 1,700 corporate and 66,500 individual members, all of whom are concerned about national security.  What else to...

Image: National PNT Architecture graphic published by US DOT and DOD in 2008 What's new: The US Department of Transportation awarded five contracts totaling approx $5M for further development/demonstration of complementary PNT technologies. Why it's important:  These...

Image: Shutterstock What's new: Jamming and spoofing are so common in commercial aviation they have been incorporated into video games. Why it's important:  Lots of future pilots start out on video game simulators like this one. There is no end in sight for jamming...

Image: GPSPATRON What's new: Lots of activity in Poland assessing the chronic GNSS interference from Russia and looking at countermeasures. The partnership between GPSPATRON and Gdynia Maritime University is a good example. Why it's important: The interference is...

Image: Shutterstock What's new: An assertion of time warfare by the U.S. against the Chinese. Why it's important: Time and timing are fundamental to all critical infrastructure and IT applications. They enable cellular telecoms, land mobile radios, SCADA systems,...

Image: Copilot AI What's new: An article that highlights: How PNT is a tool in great power competition. In this case the new more capable BeiDou vs the widely adopted, older, and less capable GPS. China seeking and gaining influence at the expense of the West,...

Image: Copilot AI What's new: Another report about military forces training for GPS/GNSS denied environments. This example from earlier this year is ground troops maneuvering with paper maps and compasses. Why its important:  GPS/GNSS reception will likely be denied...

Image: Russian EW truck from ru.mil What's new: Another reminder that in an age of high tech kinetic weapons, electronic warfare can be very powerful. Why it's important: Western militaries rely heavily on technology. Tech has long been seen as a way to be more...

Image: Shutterstock What's new: An interesting analysis about space debris and the danger it poses. Why it's important: Debris can damage and destroy satellites. With enough debris in orbit we will begin to see the Kessler Syndrome where debris impacts create more...

Image: European Space Agency What's new: Increased concern about space becoming so filled with debris that it is no longer possible to safely use it, or even transit through low earth orbit. We would be trapped on Earth. Why it's important: Space and satellites are...

Image: Shutterstock What's new: A post about how detection of GPS / GNSS jamming & spoofing should be combined with other data to create good, hopefully actionable, intelligence. Why it's important: Intentional interference with GNSS is often done to conceal...

Image: Shutterstock What's new: Europe is working to establish a Europe-wide Minimum Operational Network (MON) of VORs and DMEs by 2030 for aviation in response to regular disruption of GPS and Galileo signals.  Why it's important: Disruptions to GNSS have caused the...

Image: Shutterstock What's new: The UN's International Civil Aviation Organization (ICAO) scolds Russia over jamming and spoofing... again. Why it's important: On-going international censure keeps the issue in front of policy makers and some pressure on Russia, Though...

Image: YouTube Capture What's new: Among a flurry of recent reports about greatly increased GNSS interference at sea, the Republic of the Marshall Islands Registry has published some best practices for safe navigation. Why it's important: GNSS interference has...

Image: Shutterstock What's new: GPS interreference in the Middle East was bad, now its worse. Why its important:  Approx 53,000 ships transit the Persian Gulf each year carrying oil out and critical supplies in. Approx 26,000 ships transited the Suez Canal in 2023...

Image: Shutterstock We see A LOT of articles about different PNT systems, services, and techniques in the popular and industry press. Many tout a system being offered by the author or their company.  Too many attempt to elevate their product by denigrating other...

Image: Shutterstock What's new: The Qatar Ministry of Transport issued a circular temporarily halting all maritime activity for the nation and its waters because of "a technical fault in the GPS." Why it's important: Maritime activity is the lifeblood of many nations....

Image: Shutterstock What's new: An item from September discussing the geopolitical implications of GNSS vulnerability from investors' points of view. It makes a number of good strategic points, but may fall a bit short on describing all the tech investment...

Image: Co-pilot AI What's new: A paper by Zach Clements and Todd Humphreys detailing 72 days in the last six years when interference with GPS L1 signals has been detected coming from space. "The observed timing patterns, which often coincide with business hours during...

Image: Shutterstock What's new: The US and UK have signed the "Technology Prosperity Deal." PNT was one of the areas mentioned, though only briefly. Why it's important: Any mention of PNT at this level of government is a good sign. Hopefully it is evidence of...

Image: Shutterstock What's new: An interesting post this month by Spirent's Jeremy Bennington about GPS disruption causing an airplane to seem it was over North Korea when it wasn't. Why its important: As Jeremy mentions, this kind of thing can get people killed. What...