Image: Wikimedia Commons Blog Editor's Note: We often talk in this blog about GPS vulnerability, but it is good to be reminded that other systems are vulnerable also. GPS is briefly mentioned at the end of the article Hackers can fake radio signals to hijack aircraft...

Blog Editor's Note: The Areospace Corporation is a Federally Funded Research and Development Center (FFRDC) and does a lot of work for the Air Force. Notice that they have already licensed the technology described in the article to Orolia (an RNTF member), and they...

Blog Editor's Note: Disclosure - The author of the below article is the President of the RNT Foundation. DOT to Congress – ‘We Are Working to Implement a Terrestrial Timing System’ May 14, 2019 By Dana A. Goward In a response to an inquiry by House Transportation and...

Blog Editor's Note: We think you will enjoy this fun, five minute video that is surprisingly thorough. The next time someone asks you the question, or you need to give a presentation, show them this. It gives a great overview, and points out how Einstein's...

Blog Editor's Note: Dr. Betz, among his many accomplishments, is also a long serving member of the National PNT Advisory Board where he helps advise the Deputy Secretaries of Defense and Transportation on GPS issues. USAF Press Release John Betz inducted into 2019 GPS...

Blog Editor's Note: And Russia is using it more and more - in Scandinavia, the Middle East, at home... It's a great tactical weapon, but perhaps an even better strategic one. - "Dear Europe and United States - We can take away one of your most important assets and...

Image Credit: Kestral Blog Editor's Note: An important question ship owners and operators are asking themselves more and more often. Here is a link to a presentation on this topic RNTF president Dana A. Goward gave last week to a group of shipping industry executives...

Blog Editor's Note: It is always good to see the government prioritizing PNT, though in this case it is one of 55 very important things they are concerned about.  This also highlights the fragmented approach to PNT within the federal government.  Defense transmits the...

Image Wikimedia Commons Blog Editor's Note: This article describes two of the many efforts underway to reduce the risk from GPS jamming and spoofing. Like many reports, it can leave the false impression that these solve the problem rather than just mitigating it. This...

Today the US Department of Transportation will publish a Request for Information seeking vendors interested in participating in a demonstration of technologies: "... that are capable of providing backup positioning, navigation, and/or timing services to critical...

Recent years have seen an increase in drivers turning to cheap GNSS jamming devices in order to move around undetected or to thwart built-in anti-theft systems or road tolling systems. These jammers not only knock out their own GNSS receiver, they also block GNSS signal reception in a radius of several hundred of meters.There is a growing demand for automatic detection of these illegal jammers to help catching the offending driver.Septentrio GNSS antenna placement on highway gantry. (Photo: Septentrio)

RNTF President Dana A. Goward and C4ADS Chief of Analysis Thomas Ewing appeared on VoA television in Ukraine last week discussing Russian spoofing in the area. The video is in Ukrainian, but English speakers can still get a pretty good idea of what is going on.  The...

Blog Editor's Note: This item was written by RNTF President Dana A. Goward at the request of the editor at Inside GNSS. It recently appeared in the periodical's March/April print edition. It includes some information that updates a blog post we did on the topic last...

"Access to Assured and Accurate Time II" was the title of a workshop held by NIST on the 25th of March. The event was the day before the annual ATIS Workshop on Synchronization and Timing Systems (WSTS) in San Jose. If, like us, you weren't able to attend, you can...

The recent C4ADS report on GPS spoofing in Russia and the Middle East provided a number of interesting and new revelations. One of which was that GPS interference can be detected from space. Working with a sensor aboard the International Space Station, a team lead by...

Congress is considering appropriations for fiscal year 2020 which begins the first of October of this year. There are two minor, but important items that must be funded to keep GPS the gold standard for GNSS, and to protect its signals and users. First is the $15M...

Image Wikimedia Commons Gage Skidmore from Peoria, AZ, United States of America Blog Editor's Note: We got the spectrum numbers wrong in the original of this post. Ligado actually has a long term lease for 1670 - 1675 MHz vice the spectrum mentioned by the Chairman....

Image: ESA - Jürgen Mai   The European Space Agency (ESA) has begun thinking and talking about PNT user needs, regardless of whether or not the signals come from space. This is a welcome development as GNSS providers are often the only government entities who...

Image: Wikimedia Commons Emilii_Plater_w_Warszawie_radek_kołakowski Blog Editor's Note: We periodically check the US Coast Guard Navigation Center's website for interesting GPS disruption reports. The USCG NavCen is the reporting point for GPS users around the world...

The U.S. Supreme Court's answer seems to be "yes." Earlier this year it declined to hear an appeal from Fiat Chrysler and let a class action suit against the company go ahead. The plaintiffs assert that their vehicles were designed without sufficient cyber-security...