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...

Image: Shutterstock What's new: There has been A LOT of reporting about the EU President's airplane having its GPS jammed on approach to landing in Bulgaria. Some of it seems to be contradictory. The below article, though, reports comments by a former Bulgarian...

image: FlightRadar24 It's Complicated What's new: Reports based on ADS-B seem to contradict official statements and press reports about the EU leader's flight into Bulgaria Sunday, Data from FlightRadar24 shows a good GPS signal and a close to on-time arrival.  BUT...

Image: GPSJam.org What's new: Well, perhaps not 'new' but it is in the news. The leader of the EU flew into Bulgaria yesterday on a chartered plane and landing was delayed because of GPS jamming. Why it's important: Even though jamming impacts tens of thousands of EU...

Image: Shutterstock What's new: More info on the use of GPS jamming by criminals. This time targeting luxury cars in India. Why it's important: This demonstrates again the weak nature of GPS (and all GNSS) signals and how they can easily be denied. And there are much...

Image: GPSJam.org What's new: Increasing GPS disruption in the Baltic. - 85% of flights impacted. Communications infrastructure, and maritime also feeling impacts. Why its important: Reduced safety margins all around, degraded technologies, etc. We used to say...

Image: Shutterstock What's new: A good overview of some ways space is no longer a safe place to put things upon which we really depend. Why it's important: The United States is more reliant on space-based capabilities, in PNT and other areas, than any other nation....

Image: RNT Foundation Your Responses to the FCC's NOI on PNT A look at the main concerns during the comment period. Dana A. Goward America’s Global Positioning System (GPS) is simultaneously amazing, indispensable, and vulnerable. If its positioning, navigation, and...

Image: Shutterstock What's new: Another instance of a commercial aircraft having a false terrain warning, undoubtedly due to GPS interference. Why it's important: The impacted aircraft was grounded for a week after the incident. From a larger perspective this is bad...

Image: Shutterstock What's new: Some impacts on farming that we had not considered before. Why it's important: According to the article, 40% of farms could be impacted. We all gotta eat, so that's important. What else to know: We are more than halfway through 2025,...

Image: John Hartzel What's new: A study about the interaction of climate change and satellite orbits. Why its important: There are a lot of threats to GPS, including severe solar activity. Severe solar activity, while inevitable,  has always been considered, and still...

Image: NTS-3, USAF 2d Lt Jacob Lutz AFRL What's new: Space Force successfully launched and orbited a new navigation technology satellite  - NTS-3. Why its important:  The satellite will conduct a wide variety of experiments to move U.S. satnav forward.  These kinds of...

Image: Shutterstock What's new: "State of Global Aviation Safety" 2025 report from the International Civil Aviation Organization (ICAO). It includes a section about GNSS interference. From the report: "For the short term, it is not foreseen that the issue of the GNSS...

Image: Shutterstock What's new: Well... it's not entirely new. Todd Humphreys and others have been talking about terrestrial sources interfering with satellites for a while. This is the first time we have seen it in more popular/ general media, though. Why it's...