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...

Image: Spoofed AIS tracks courtesy of Skytruth What's new: A working group examining effects, mitigations and solutions of GNSS interference in maritime. Why it's important: GNSS interference in maritime can have serious consequences. We have already seen it:...

Image: Singapore Maritime Law Enforcement Agency What's new: GNSS interference becoming a concern of insurance professionals, and hopefully the industry as a whole. Why it's important: Often things that are difficult for government regulators and safety professionals...

Image: Shutterstock The late Ashton Carter was Secretary of Defense from 2015 to 2017. In a 2014 interview while he was awaiting confirmation he was quoted as saying: "I hate GPS ...Twenty years from now everything ... will have on the chip a clock, a gyro and an...

Image: Shutterstock What's new: An opinion piece from the United Kingdom about PNT and critical infrastructure, but in an aviation media outlet. Why it's important: Everything is related and impacts everything else. For example, airplanes can fly without the...

Image: Norway's Kraka Lighthouse Shutterstock What's new: An interesting article that demonstrates the continuing need for visual navigation aids. Why it's important: Visual aids to navigation will continue to be used regardless of the amount of IT and electronic aids...

Image: RNT Foundation What's new: The Department of Transportation (DOT) is looking to hire a person to lead its PNT and Spectrum Management staff. The position was formerly held by Karen Van Dyke. Why it's important: DOT is the lead for all civil GPS and PNT issues...

Image: Shutterstock What's new: Interesting observations about GNSS, PNT and "global realignment." Why it's important: GNSS and PNT have always been tools in great power competition. It is now becoming more obvious to more people. The U.S. is ceding tech leadership to...

Image: Shutterstock What's new: Galileo's OSNMA (Open Service Navigation Message Authentication) is operational. Why it's important: Users are able to authenticate signals and prevent many spoofing attacks on their receivers. What else to know: The US National...

Image: Shutterstock What's new: A spike in GPS spoofing, jamming, and concern about maritime operations in the Red Sea. Why it's important: Interference with GPS signals has resulted in ship groundings and collisions. What else to know: The article got at least one...

Image: GPS.gov What's new: An announcement that the Civil GPS Service Interface Committee Meeting will be held in the spring next year in the Washington, DC area. Why it's important: This is usually a good forum to hear about updates to GPS and other PNT issues. What...

Image: Shutterstock What's new: Legislation introduced to require a report on GPS vulnerability and its impact on national security. Why it's important: It is almost always good when senior leaders pay attention to PNT issues. What else to know: This isn't the first...

Image: Shutterstock What's new: An article expressing concerns that the U.S. administration might deny access to GPS as a part of its efforts to influence the behavior of other nations and their officials. Why it's important:  Such concerns could drive nations and...

Image: Shutterstock AI What's new: An insightful article on the geo-political aspects of GNSS and PNT. Why it's important: This article is about Iran switching from GPS to Bei Dou. But Iran is just one example. Pakistan has officially gone from using GPS to Bei Dou....

Image: Shutterstock What's new: An interesting short video that posits composite/multi-sensor navigation is not only the wave of the future, but is just about here. Why it's important: It's good to get folks thinking seriously about this as soon as possible because:...

Image: China Space Agency What's new: An American Security Project paper on how China uses space, including BeiDou, for influence/soft power. Why it's important:  As the U.S. greatly decreases it's diplomatic/ soft power efforts around the world, it leaves a vacuum...

Image: GPSwise What's new: An opinion piece by one of the newest members of our International Advisory Council, Jason Kim, urging authentication for GPS. Why it's important;  GPS could have an internet enabled High Accuracy and Robustness Service that could provide...

Image: Space Force What's new: The new ground control segment of GPS has been accepted by Space Force. Why that's important: This system is needed to improve cybersecurity and support modernized satellite operations. Space Force also says they need it operational...

Image: Shutterstock What's new: An excellent Inside GNSS article by oneNav's Paul McBurney discussing the many advantages of the L5 civil signal. Why it's important: The signals are available now (and have been for years), but Space Force has them set "unhealthy"...

Image: Conceptual graphic of UK eLoran timing coverage - Mitch Narins, Strategic Synergies What's new: France and the UK partnering on resilient PNT including eLoran. Why it's important: France is the first EU nation to begin concrete actions to provide a terrestrial...

Image: Shutterstock What's new: A reminder of how important PNT from GPS/GNSS is to telecoms. And the more sophisticated the system, the greater the requirement for precise and reliable PNT. Why it's important: Our infrastructures tend to be inter-reliant. For...