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...

Image: Shutterstock What's new: An Indian company to establish a LEO PNT constellation and service. Why it's important:  Developing the constellation could be a boost for India's economy by greatly increasing its tech sector. Depending upon the degree of control and...

Image: YouTube "Captain's Speaking" podcast What's new: Candid discussion about the impact of GPS interference on aviation. Why it's important: The hosts are experienced instructor pilots with a lot of experience flying large passenger aircraft. It is hard to get more...

Image: GPS.gov What's new: Several new PNT efforts by the current U.S. administration. Why it's important: Government attention and leadership to this national, homeland, and economic security issue is essential. What else to know: RNT Foundation President Dana A....

Image: Shutterstock What's new: Space Development Agency seems to be backing off its plans for LEO PNT. Why it's important: This could signal SDA and DOD de-emphasizing PNT overall. Note that Space Force's R-GPS is not yet a program. On the other hand, the "D" in SDA...

Image: S. Korea Ocean Ministries - eLoran service areas What's new: South Korea greatly enhancing its maritime capability, supported by recent assured PNT upgrades.  Why it's important: Maritime (trade, fisheries, defense) is important to every nation, especially one...

Image: Diana Furchtgott-Roth presenting at CGSIC What's new: CGSIC is happening in April!! Why it's important: This is the US government's opportunity to hear from civil GPS users. What else to know: These meetings had been held in conjunction with the Institute of...

Image: Shutterstock What's new: An article about Dr. Brad Parkinson's most recent presentation which provides a detailed roadmap for how the U.S. can achieve Assured PNT. Why it's important: A clearly outlined roadmap can make it easier for political decision makers...

Image: RNT Foundation What's new: Discussion in Parliament about the UK's PNT approach. Why it's important: The UK is the first western government to take a whole-of-government, system-of-systems approach to resilient PNT. What else to know: France is joining the UK...

Image: Screenshot from Schiebe of S-100 drone What's new: A report of a military drone crashing because of GPS jamming. Why it's important: Drones/ uncrewed / autonomous systems are becoming increasingly important to both military and commercial operations. Most...

Image: US DOT & DOD PNT Architecture 2008 RNTF President Dana A. Goward's column in the September/October edition of Inside GNSS We've Abandoned the Gold Standard for GPS, Let's Adopt it for PNT It's time to create a core architecture and re-establish U.S. global...

Image: DHS What's new: Government official discusses GPS interference at the U.S. southern border. Why it's important: There has been a lot of quiet, unofficial talk about this, but officials have heretofore not made any statements and not replied to our questions....

What's new: As promised, the U.S. government is modifying export controls to allow CRPA antennas used for PNT to be more freely exported from the country. Why it's important: These kind of antennas can significantly reduce a receiver's vulnerability to jamming and...

Image: Shutterstock - Quantum is "spooky action at a distance: - Albert Einstein What's new: An article about DOD non-space PNT efforts. Why it's important: DOD has long led the way in many technologies. They certainly did with PNT by creating GPS. What else to know:...

Image: Sinclair Broadcast Group What's new: TV news report by Sinclair Broadcast Group's Spotlight on America. Why it's important: This helps raise popular awareness of the threat and the need to act. Sinclair has 193 stations in 100 markets across the US and says...

image: US Department of Defense What's new: An updated Space Threat Fact Sheet from U.S. Space Force. Why it's important: It helps remind us that space is no longer a safe haven for our critical assets.  What else to know: The fact sheet does not list natural threats...