Image: Russian Jamming Signal Detected by Norwegian Communications Authority Blog Editor's Note: Interesting article co-authored by RNTF Advisor Guy Busenel (his employer, Spirent, is also a corporate member of the RNT Foundation).  From the Merriam Webster on-line...

Blog Editor's Note: The European Space Agency (ESA) is worried about GNSS jamming and spoofing. So it established the Navigation Innovation Support Programme (NAVISP) to foster innovations in satellite navigation and terrestrial forms of PNT.  We were priviledged to...

Image: Shutterstock Blog Editor's Note: This is a really interesting idea that could add greatly to a comprehensive PNT architecture. The key will be ensuring the foundations upon which 5G infrastructure is built, things like timing, are rock solid. Right now a lot of...

Blog Editor's Note: The author is President of the RNT Foundation. China expanding Loran as GNSS backup October 12, 2020  - By Dana Goward An August 2020 paper published by the journal Sensors revealed China’s plans to expand coverage of its terrestrial Loran...

Blog Editor's Note: Good thought piece from our friend and former colleague Jules McNeff.  Hard to disagree with him. And it is understandable that the DoD PNT Strategy says they plan for future PNT development to be increasingly classified. Yet if someone is now in...

Image: NASA Blog Editor's Note: A good article by David Hambling with whom we have worked. Not only a high level overview, but some good insights into additional technologies to augment GPS/GNSS. Also some good quotes from our friends Todd Humphreys and Charles Curry....

Image: Shutterstock Blog Editor's Note: Two items below from The National Interest's Kris Osborn outling another example of how a COMMUNICATIONS Commission might be making decisions on SPECTRUM issues with only the desires of communications concerns in mind. The FCC...

Image: Shutterstock Blog Editor's Note:  Passing along the below from the Keep GPS Working Coalition. media advisory Sep 29 KEEP GPS WORKING COALITION TO HOST CONFERENCE CALL HOW THE FCC’S LIGADO DECISION HARMS AGRICULTURE: A CONVERSATION WITH INDUSTRY LEADERS AND...

Image: Shutterstock Blog Editor's Notes: Good to see ever-increasing focus on this important area.   Many see the CMOSS effort as a lynchpin to realizing DoD's vision of ingesting, validating, prioritizing, and integrating all kinds of PNT information so as to...

Image: UK Government Blog Editor's Note: The author is President of the RNT Foundation. With new space program, UK continues march to more holistic PNT September 25, 2020  - By Dana Goward News from the British government Thursday appears to be a part of the United...

Image: Shutterstock Blog Editor's Note: As noted in the article, unlike previous warnings, this one is global vs specific to a region. Probably appropriate as research has found GPS disruption in virtual all phases of maritime operations around the globe. It is also...

Odd Sveinung Hareide, Photo credit Norwegian Coastal Administration UPDATED INFORMATION: Here is some information we received from CAPT Odd Sveinug Hareide that clarifys the below article - and checkout the cool video: The translation from Norwegian to English has not...

Image: Shutterstock Blog Editor's Note:  Doug MacKinnon is a former White House and Pentagon official, who, while he has a flair for the dramatic, is not overestimating the problem and is not saying anything wrong. We don't normally go in for the really sensational...

Image: Shutterstock Blog Editor's Note:  Yup, we added the question mark to the headline. The Army's Mounted Alternative PNT System (MAPS) is certainly helping soldiers in challenging GPS environments, but it doesn't come close to what most would call an...

Blog Editor's Note: An interesting article about the inner workings of one of these devices.  Written for hands-on technologists, but many others might find it interesting also. Two notes: The author mentions he did not investigate its effective range. Authorities in...

Blog Editor's Note:  Last week we saw a notice that the UK Ministry of Defence would be doing jamming trials for the next several months.  Fortunately for users, the jamming is not going to exceed 2 minutes in length, and not more than 5 times an hour. We asked if we...

Blog Editor's Note: The author is President of the RNT Foundation. Opinion Differences in technologies could have led FCC astray Dana A. Goward “Astounded,” shocked,” “and “dismayed” were some of the adjectives used by a vast array of experts to describe the Federal...

1976: The first military GPS five-channel receiver built in one of several programs that studied the feasibility of GPS. The receiver weighed more than 270 pounds and had seats for two operators. (Photo: Rockwell Collins/Smithsonian) Blog Editor's Note: Excellent...

Vulnerabilities of GPS is a big concern: Dana Goward By Anusuya Datta 09/05/2020 Satellite systems have become an integral part of our businesses for precise navigation and timing services. Yet GPS/GNSS jamming, spoofing, and other forms of interference appear to be...

Image: Shutterstock RNTF Report Very few people know how to report problems with GPS reception. And few of those take the trouble to do it. So the listing that the US government maintains of GPS disruption reports really represents the tip of the iceberg. Likely only...

NASA Image Blog Editor's Note: An excellent article from the NASA website below. And another example of how difficult it is for people to learn from the past and prepare for the future.   As we are fond of pointing out, the US knew aircraft hijacking was a problem...

Image: RNT Foundation In September we reported how airline and pilot groups had raised the issue of GNSS disruption to the UN's International Civil Aviation Organization (ICAO). The body decided it was an urgent issue (airplanes have almost crashed because of GNSS...

Image: Shutterstock Blog Editor's note: Much of this item in Aviation Policy News relates the announcement of a group seeking a public-private-partnership with the government to build an eLoran system. Something we have already reported on. The author makes some...

Image: RNT Foundation Blog editor's note: We received this update from the relatively new UK national Timing Centre and thought it would be of interest to our readers. The centre has three objectives: Objective 1  Deliver a resilient UK national time infrastructure...

The RNT Foundation is grieved to convey the passing of a member and friend, Dr. Terry McGurn, yesterday at Reston Hospital. His wife, June was at his side. Dr. McGurn retired as an analyst in the Senior Executive Service from the Central Intelligence Agency. His...

Image:  Shutterstock Blog Editor's Note: We have espoused similar opinions often. It is good to see others taking up the call. The author advocates for establishment of an eLoran system. The National PNT Advisory Board has recommended this multiple times, and the US...

Image: US DOT Blog Editor's Note: The author of this article is the RNTF president.   No silver bullet for US PNT: Many sources needed   August 18, 2020  - By Dana Goward Many PNT sources from multiple providers needed “We cannot have GPS signals be a single...

A document issued by the federal government yesterday outlined over 18 laws and regulations that can be used to punish activities to detect and/or counter unmanned aircraft systems (UAS), more commonly referred to as 'drones.' The Advisory on the Application of...

Image: Chinese Fishing Vessels Far From Home - Shutterstock Blog Editor's Note: Another example of how GPS spoofing and jamming is used for malicious activity. Illegal, Unregulated, Unreported fishing is likely one of the biggest threats to the global environment and...

Loran Tower Image: RNT Foundation Blog Editor's Notes: Another chapter in the on-going saga of GPS backups and eLoran. The original version of the article can be read as Hellen Systems already having a partnership in place with the federal government. They have...

Image: Launch of 55th BeiDou Satellite courtesy of BeiDou.gov.cn Blog Editor's Note: The author of the below article is President of the RNT Foundation.  Our friend Prof. Todd Humphreys at Univ. Texas, Austin was one of the industry experts consulted for this story....

Image: RNT Foundation Blog Editor's Note: There are a number of good things about this year's Executive Order (EO) on responsible use of PNT.  This effort by OSTP is one of them. We do wish, though, that, in addition to this laudatory R&D effort, the executive...

Image: Shutterstock Blog Editor's Note:  A great article by Greg Milner, author of "Pinpoint - How GPS is changing technology, culture, and our minds." Long time RNTF members will recall that Greg spoke at our 2016 annual meeting at the US Naval Observatory just after...

Image: Shutterstock Blog Editor's Note: I posted this item last week fairly soon after first seeing it. Having had more time to think about this, and discussing it with a variety of satnav experts in the US and elsewhere, I am re-writing my notes. I now have to...

Image: Department of Defense Blog Editor's Note: We are providing two links here. The first from BBC has a bit of insightful analysis.  The second is the official statement from US Space Command. This should be of interest to our readers even though kinetic attack on...

Image: Shutterstock Blog Editor's Note:  We posted on this incident several days ago, but this article provides more detail on the event that should be of interest to our readers.  Things like services impacted, the nature of the attack, etc. It also makes the point...

Blog Editor's Note; Here is another in our series linking you to articles about the FCC's decision on Ligado Networks. We freely admit that we are not re-posting pro-decision items. That's because we find most all of the "pro" arguments either misguided or patently...

Graphic: Shutterstock Blog Editor's Note:  Bad break for Garmin, our best wishes for a quick recovery. In total, these kinds of things can be far more damaging than "traditional" crimes. Also they transcend all borders. Federal administrations should take an active...

Image: ESA Blog Editor's Note: Great to see the EU addressing this issue! It is something the US has needed for years, but has failed to act on.  And the US, with its greater suspicion of government and focus on individual freedom, likely has more problems with...

Image: Shutterstock Blog Editor's Notes: An interesting article by Fox News that raises some interesting points, but also conflates several issues and gets some things a bit wrong. Perhaps understandable for a popular news outlet dealing with a very nuanced technical...

Photo: UrsaNav Blog Editor's Notes:  Jamming by the North North Korea has jammed GPS signals in South Korea almost as much as Russia has jammed northern Norway. Fortunately these episodes have been relatively low power and of short duration. But certainly enough to...

Photo: RNT Foundation Blog Editor's Note: The author is the President of the RNT Foundation FCC’s Ligado decision broadens, deepens opposition July 21, 2020  - By Dana Goward Last week, 27 members of the U.S. House Agriculture Committee sent a letter to Federal...

Blog Editor's Note: The author is President of the RNT Foundation. GPS interference crashed a survey drone in the UK. Will the debate resonate in the US? By Dana A. Goward An expensive drone crashed into a house in December when it lost GPS signals due to...

Image: Shutterstock Blog Editor's Note: PNT is an invisible, silent utility that underpins most of first world society. Yet signals from space are weak and easily disrupted. In the case of GNSS, signal characteristics are also well known and the signals are easy to...

Image: Shutterstock Blog Editor's Note: An interesting article in an outlet we had not accessed before.  Thanks to several alert readers for sending this our way. A number of issues raised wrt GPS including the FCC's decision on Ligado, vulnerabilities, DoD's need to...

Image: RNT Foundation Blog Editor's Note: The author is President of the RNT Foundation. Congress makes moves against FCC’s Ligado decision July 13, 2020  - By Dana Goward At first it was a flurry of letters and public statements from U.S. senators and members of the...

Image: USAF Photo Staff Sgt Robert M. Trujillo Blog Editor's Note: We just ran across this article and thought our readers might like to see it. It makes perfect sense for the pilots to do this (we would do it). But the revelation is clearly a PR loss for the US and a...

Image: Shutterstock Blog editor's note: Several interesting aspects of this story. With Brexit, the UK was cut out of the EU's Galileo GNSS project to which it had contributed greatly. We are not sure why that had to be as Norway, not a member of the EU, has been a...

Blog Editor's Note: The author of this article is the President of the RNT Foundation   Capt. Sullenberger, PNT board against Ligado decision   July 6, 2020  - By Dana Goward Opposing the FCC’s Ligado Decision Not surprisingly, the primary topic at the July...

Image: RNT Foundation Blog Editor's Note:  The author is the President of the RNT Foundation American Journal of Transportation International Trade US DOT acting to protect GPS, add more navigation signals By Mr. Dana A. Goward Editor’s Note: Dana A. Goward is the...