Image: NIST WWV Time code generator Blog Editor's Note: Interesting that this was sparked by the GPS disruptions in Dallas and Denver. The UK, at least, has an effort moving toward a more coherent timing architecture. The National Physical Laboratory has Leo Lobo's...

Image: Shutterstock Blog Editor's Note: We see these kinds of articles every once and a while. They make some of the points made by Greg Milner in his excellent book "Pinpoint - How GPS is changing technology, culture and our minds." On the one hand I agree. We should...

Image: Starlink Satellite - Shutterstock Blog Editor's Note: It was only a matter of time. No pun intended. Congrats to Todd Humphreys and his team!  98 ft is pretty good for a start.     Technology  Companies Researchers Unmask Starlink's Top Secret; Hacks...

Image: GPSJam.org Blog Editor's Note: More info on the disruption at Dallas this week.   A few thoughts: American and Southwest Airlines said their operations were unaffected. Sounds like corporate-speak since "less efficient routes" were used and we know there were...

Image: 2008 PNT Architecture published by US government but never implemented Blog Editor's Note: A thoughtful piece by our friend and colleague, Doug Taggart, that explores the recurring question "Why, despite near-existential threats, hasn't the US diversified its...

Image: Shutterstock Blog Editor's Note: This incident seems very similar, at the outset, to one that happened near the Denver airport in January.  One difference is that this disruption made it into the media. The government kept the January Denver event quiet until...

Image: Shutterstock Blog Editor's Note: Modular open system architecture (MOSA) is key to the Department of Defense's efforts to move toward multi-sensor PNT and away from embedded, proprietary systems that are incredibly difficult to update and replace.  This article...

Image: RNT Foundation Blog Editor's Note: The Congressional Research Service (CRS) regularly responds to inquiries from members of Congress with short papers such as this one. Knowing that provides us some context already - a member of Congress, likely a prominent...

Image: GPS Patron - Handheld commercial GNSS jammers used in the test. A much larger, more powerful jammer was also used. Blog Editor's Note - We posted a couple items last week about the world's biggest jammer test recently held in Norway - JammerTest 2022. It turns...

Image - World Space Week/Space Command One of our LinkedIn connections sent us this interesting poster. We are guessing that the title saying "Global Positioning Systems" vice "Global Navigation Satellite Systems" is an effort to make it more understandable for the...

Image: Shutterstock Blog Editor's Note: The author is president of the RNT Foundation.   Opinion: Is today World Satnav Day? October 7, 2022  - By Dana Goward The world watched in awe and a bit of terror as the 23-inch polished metal sphere arced across the sky....

Image: Shutterstock Blog Editor's Note: Positioning with 5G has long been anticipated by many. It is great to see this next step. Such a capability could be a great component for autonomy, especially helping establish autonomous corridors early on. All such efforts,...

Image: National Assn of Broadcasters Blog Editor's Note: The interviewer for the below article is President of the RNT Foundation.     Finding your way with broadcast TV October 3, 2022  - By Dana Goward Est. reading time: 3:30 Full-power UHF TV stations in...

Image: US Air Force F-22 Staff Sgt. James Richardson We were interested to see this news release publish recently. Glad to see Air Force looking to include other GNSS (presumably Galileo). It wasn't that long ago the Congress was holding money back from the Secretary...

Image: Shutterstock - Aircraft were include in Norway's tests. Blog Editor's Note: We were VERY pleased to see the Norwegian Telecommunications Authority posting some of its results from last week's test already! Not all government agencies are so responsive and...

Image: Shutterstock Blog Editor's Note: Northern Norway may be the most frequently jammed place on the planet. It is certainly the most jammed outside the middle east. No wonder, then, that Norway's National Telecommunications Authority, Nkom, hosted "the world's...

Image: Prof. David Last Blog Editor's Note: David was a pillar of the PNT community, founding member of the RNT Foundation, long-time advisor, and a great friend. His passing in 2019 left a permanent gap in the international community.  We helped the Royal Institute...

Image: Shutterstock Blog Editor's Note: We were glad to finally get a bit of clarity on this incident yesterday morning at CGSIC. A few additional thoughts: Why did it take 33.5 hours to locate, identify, and terminate what was clearly a high power transmitter? The...

Image: US Fish and Wildlife Service Blog Editor's Note: The author is President of the RNT Foundation. Opinion: FCC must protect the environment and assign Ligado different frequencies September 19, 2022  - By Dana A Goward “Precautionary principle: The principle that...

Image:  (Screenshot: DOT) Transportation Secretary Pete Buttigieg made a surprise appearance at the DOT roundtable on complementary PNT. Blog Editor's Note: The author is President of the RNT Foundation.   Industry decries lack of leadership on GPS backup, China,...

Image: Federal Communications Commission Blog Editor's Note: We are at an interesting place in this very long saga. One that has been going on for nearly 20 years.  It is a complex and intricate tale. It is a story of conflict. One with virtue and no real villains on...

Image: Shutterstock Blog Editor's Note: Interesting development. Read carefully. They are not giving up their claim on the frequencies. They are just not deploying equipment.      Ligado Scraps 5G Network Launch Amid Interference Flap Announcement comes days...

Image: Shutterstock The Maritime Administration issued one of its periodic advisories the other day about GPS and AIS jamming and spoofing.  It included a note, as usual, about repeated reports from the eastern and central Mediterranean Sea, Persian Gulf, and the Red...

Image: Shutterstock Blog Editor's Note: We have been off the grid for several days, so we are only posting this now. The National Academies said a lot more than what is in this headline, of course. Read the whole article  at the link below.  Importantly, the report...

Image: National Academies of Science, Engineering, and Medicine Blog Editor's Note: The author of the below piece is President of the RNT Foundation.     National Academies to reveal FCC-Ligado study results Friday September 6, 2022  - By Dana A. Goward The...

Image: Shutterstock Blog Editor's Note: We like that folks are talking about PNT as a cyber issue. One that should very much be considered in "zero trust" considerations.  While this might not be universally accepted yet by those in the cyber world, it is certainly...

Ship locations from around the world have been spoofed to show them circling off of Pt. Reyes, California. Image courtesy of Skytruth Blog Editor's Note: We are seeing more of these kinds of articles in major outlet as the world "discovers" the problem again and...

Image: Red Rock Park near Denver - Shutterstock Blog Editor's Note: Open to the public and free to attend. Your chance to talk to the government! 62nd Meeting of the Civil GPS Service Interface Committee At the Institute of Navigation GNSS+ 2022 Conference Hyatt...

Blog Editor's Note - A couple of items from Space.com that should be of interest to everyone who thinks about space. Should also of interest to anyone who relies upon space-based services. Which would be... just about everyone. The first item is about recent solar...

Image: Shutterstock Most of our readers are familiar with the Association of Old Crows. It is the world's largest organization of folks interested in Electronic Warfare (EW), Electromagnetic Spectrum Operations (EMSO), Cyber Electromagnetic Activities (CEMA),...

Image: Shutterstock Blog Editor's Note: A good general info article from a UK defense (or defence) perspective. The interviewee, NextNav CEO Ganesh Pattabiraman, does a pretty good job of addressing the policy issues without making the piece an all out advertisement...

We were privileged to be able to attend a memorial service yesterday for our late friend and colleague Langhorne Bond. Long-time RNTF members will remember Langhorne as an early supporter of our efforts and host of our first couple annual meeting/dinners at the...

Image: RNTF Blog Editor's Note: This article reports on the latest chapter in DIU's detection efforts.  We are encouraged by the statement in the article, which we assume is near to a quote from DOD/DIU, to the effect that: "...information and insight can be broadly...

Image: US Coast Guard Blog Editor's Note: This series of articles is not only a good primer on Loran/eLoran, but also provides some good background on GPS, GNSS, and PNT.  And for the record, we at RNT Foundation aren't "the eLoran people." True, when the government...

Image: Shutterstock Blog Editor's Note: The author is President of the RNT Foundation.   GAO discusses DOD PNT management and leadership — again August 18, 2022  - By Dana Goward Est. reading time: 3 minutes In early August, the U.S. Government Accountability...

Image: RNT Foundation Blog Editor's Note: After a seemingly long hiatus, several more chapters of this saga are unfolding. This is a bit of a "last chance" for Senator Inhofe. He has been particularly vociferous on this issue. His term of office ends in January and he...

Image: Eurocontrol Blog Editor's Note: We first heard the idea of using ADS-B as a way to detect GNSS disruption from an Aireon presentation at the Stanford PNT Symposium in 2020. Makes a lot of sense. If it can be detected using maritime AIS data, why not with...

Image: Screenshot 12 Aug 2022 from GPSJam.org Blog Editor's Note: Our colleague Ramsey Faragher posted about this site on Linkedin the other day.  It is all based on ADS-B reports collected by enthusiasts. The data for the previous 24 hours is displayed on a rotatable...

Image: Shutterstock Blog Editor's Note: No surprise to see another GAO report saying DOD has been focusing more on GPS than developing alternatives. Going with what you know and shunning "the new" is just part of human nature. It is an especially potent phenomenon in...

Image: RNT Foundation Blog Editor's Note: Last Thursday, the 4th of August, the Department of Transportation held a round table to discuss various issues related to complementary PNT. RNT Foundation was represented by our board member the Hon. Greg Winfree, Director...

Image: Global Sources Blog Editor's Note: Happy Saturday! Periodically we share some of the advertisements we and our members receive of devices like this.  As you will note, this one is targeted at 5G. Upon closer inspection you will see that, yes, GPS is one of the...

Image: Shutterstock Blog Editor's Note: Great OpEd by Logan Scott. We agree completely with his assertion that the US just needs to do something.  And if whatever that is fails, well we have learned something and have a better idea what will work.  But as things are...

Image: Shutterstock Blog Editor's Note: To reinforce the point made in the article below, whether space-based or terrestrial, wide area PNT is not a profit making enterprise. It is a utility and infrastructure provided by government. Yes, it enables lots of...

Image: Shutterstock Blog Editor's Note: A good overview article by an senior officer in India's Army.  Lots of good themes including "self reliant" and "resilient." It is also clear that jamming in the Ukraine are making some military folks think seriously about GNSS...

Image: RNT Foundation Blog Editor's Note: The author is President of the RNT Foundation.   National Guard timing backup for GPS in House FY-2023 NDAA July 27, 2022  - By Dana Goward Est. reading time: 4 minutes On July 14, the U.S. House passed its version of the...

Image:  RNT Foundation Blog Editor's Note: There are some who still say the internet is asynchronous so timing isn't a critical factor. But networks do require synchronization and so do apps.  This piece is a good reminder that time is foundational and that we need to...

Image: Shutterstock Blog Editor's Note: The author is RNTF President Dana A. Goward.   With 10,000+ aviation events in 2021, ITU issues GNSS interference warning Est. reading time: 2 minutes July 25, 2022  - By Dana Goward By Dana A. Goward Earlier this month,...

Image: Shutterstock Blog Editor's Note: South Korea has one dangerous adversary on its borders and two very nearby. Their government is very conscious of the need for resilience - the ability to withstand attack and, if needed, recover quickly. This has spurred them...

Image: Shutterstock Blog Editor's Note: This item in Location Business News also received a lot of other press last week. While it isn't exactly in the center of our normal lane,  it is a great reminder that GPS receivers are also computers with their own potential...

Image: Hawkeye 360 Blog Editor's Note: The author of the below is president of the RNT Foundation.   Opinion Why Isn’t Russia jamming GPS harder in Ukraine? By Dana Goward  Jul 22, 06:52 AM Russian forces have been regularly jamming signals from the U.S. Global...