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...

Blog Editor's Note: It's the weekend and we thought you might enjoy this clip from the Daily Show that aired the other night. The second item about what happened to the poacher is pretty good also.  Click here: Russian GPS Spoofing on The Daily Show with Trevor Noah...

Blog Editor's Note: Australian weather balloons and NYC traffic lights, plus, of course, airplanes. A very diverse set of applications and emblematic that GPS is used almost everywhere!       GPS Rollover Hamstrings New York City Wireless Network and a...

Blog Editor's Note: This report adds KLM, 777's and Honeywell's name to the mix on this issue. We recommend you check out the original Ars Technica post and read the very Interesting comments section. It is as informative as the post itself.   We also have seen a...

Image: Wikimedia Commons   Blog Editor's Note: We were wondering if we would hear any reports of problems accommodating GPS week rollover. Thanks to alert member Mitch Narins at Strategic Synergies LLC for finding this and posting it on his Linkedin feed!  ...

The Westin Old Town in Alexandria, Virginia will be the scene of several events of interest to the PNT community, and especially to members of the RNT Foundation, from the 5th to the 7th of June. The RNT Foundation will sponsor a reception for its members, the US...

Aircraft have VORs, DMEs, and ILS - a whole network of terrestrial beacons to use when GNSS isn't available. Vehicles have road signs and can stop to ask directions. Trains... well it's pretty hard for them to get too far lost. Ships don't have any of these advantages...

White House Image - Wikimedia Commons/AgnosticPreachersKid   GPS is a critical component of our national infrastructure and backups are needed, according to USAF Colonel Curtis Hernandez, Director National Security Space Policy for the National Space Council. The...

Image: NOAA Blog Editor's Note: Thanks to the folks at Freightwaves for highlighting this panel last week at the Brookings Institution. We reproduce their article below. If you are interested in more, a transcript of the panel discussion is available here and video of...

Blog Editor's Note: This is an interesting and promising development. GPS receivers are a cybersecurity concern in two ways.  First, they are vulnerable to denial of service from jamming and misdirection from spoofing (some consider jamming and spoofing "computer...

Image NASA Blog Editor's Note: In 2017 London Economics issued a report commissioned by the UK government on the economic impact of GNSS outage to the nation. Last month they issued a report for the Danish government on that nation's economic vulnerability to GNSS. ...

Blog Editor’s Note: This report by C4ADS outlines in exceptional detail extensive Russian spoofing and jamming in the Black Sea and Middle East. Some interesting takeaways from the report: Over 9,000 instances of ships being spoofed to airports A strong linkage...

Blog Editor's Note: Our observation is that the UK seems, in many ways, to be more focused on technology resilience than many countries. A report issued in September at the request of the UK government recommends a list of business practices for organizations to help...

US Navy photo by Chief Petty Officer William Clark Blog Editor's Note: On the heels of Russia's announcement of a new navigation system for its navy that does not rely on space-based signals, comes this US Navy announcement that they are opening a laboratory to...

Image: UK National Crime Agency Blog Editor's Note; Police in the UK have increasingly been using jammer detection as a part of their fight against crime - especially criminal organizations. We have some indication that this is also being done elsewhere. But our...

Image: JALOPNIK and Julian Thomas   Blog Editor's Note: The below is from an automotive-oriented website. Regular readers will know that this is not a unique occurrence. A similar thing happened at the ION GNSS+ 2017 conference in Portland. And, of course, Russia...

Featured photo: Emilio Pérez Marcos   Blog Editor's Note: The below article was authored by RNTF President Dana A. Goward.   Year-long ocean cruise finds GNSS interference…everywhere March 13, 2019  - By gps editor A year-long project aboard a commercial...

Blog Editor's Note: As we have been reporting, Russia has repeatedly jammed the northern regions of Norway since 2017. This has resulted, of course, in significant concern among the nation's intelligence, military and security services. See this report in Defense...

Accurate and assured time is essential to so many facets of technology and modern life. Yet this "invisible utility," most often provided by weak and easily disrupted GPS signals, is little understood - even as far as agreed definitions of "accurate" and "assured!"...

Photo: Wikimedia Commons/Oregon State University Referring to a requirement for a GPS Backup Technology Demonstration in a letter dated the 7th of March, House Transportation and Infrastructure committee chair Peter DeFazio told Secretary of Transportation Elaine Chao...

Image: Aerospace America     Blog Editor's Note: Open systems with well understood formats and characteristics are easily adopted. That can be a good thing. It has led to the internet, GPS, and other such systems being great enablers of efficiencies and...

Blog Editor's Note: Late last year Durk Van Willigen gave a presentation at the Royal Institute of Navigation's International Navigation Conference at Bristol. In addition to providing his insights on resilience, the presentation included these images of a really,...

Blog Editor's Note: While aviation users are not as dependent upon GPS/GNSS as those in other modes of transportation, outages do have significant impacts.  We have written before about the tension between the government's need to test and exercise, and the impacts...

Blog Editor's Note: The Danish firm Risk Intelligence recently made its September 2018 report on government interference with GPS and its impact on shipping available on its website. The report cites numerous areas around the globe subject to chronic GPS jamming and...

Blog Editor's Note: This article was written by RNTF President Dana A. Goward with input from several well informed members.  Thanks to all who contributed!   Report: Russian Navy Gets New Precision Terrestrial System to Backup GPS/GLONASS   February 28,...

SAE International is a global association of more than 128,000 engineers and related technical experts in the aerospace, automotive and commercial-vehicle industries. They are perhaps the world's largest voluntary consensus standards development organization. Last...

Image: Inside GNSS Or Just Navigation? Blog Editor's Note: Another great article by Dee Ann Divis. It is interesting that while researchers say they are working on PNT, often they are only looking at positioning and navigation. Timing is important to land mobile...

Image: ROSTEC/KALASHNIKOV   Blog Editor's Note: Russia has been very active using GNSS jamming and spoofing techniques to counter drones. Spoofing across broad areas that causes receivers to report their positions at airports regardless of their true location has...

The 116th Congress has organized itself and committees are beginning to develop their agendas for the next two years. As a part of this they will often hold a hearing to get input from the public on what issues need to be addressed within the committees' areas of...

Blog Editor's Note: We often talk about "GPS dependency" in terms of technologies and systems that use GPS/GNSS signals. Rarely do we think of people as being one of those systems. But people, unlike most technological systems, can learn and unlearn. Even those who...

Blog Editor's Note: We wonder if the Defense Intelligence Agency might go one step further and say that, of all our satellites, GPS satellites and signals are the most vulnerable.       OPINION China, Russia see our satellites as a vulnerability by Erin...

Blog Editor's Note: We have posted on this before, but this alert bears repeating. It is the kind of thing where if we can help one person avoid one problem, it will have been worth the effort. MEMORANDUM FOR U.S. OWNERS AND OPERATORS USING GPS TO OBTAIN UTC TIME...

Blog Editor's Note: We are not sure if this is another instance of Russia jamming GPS in Norway or part of the most recent spate of instances. Suffice it to say that Russia has been jamming GPS in northern Norway a lot. This is a good article as it reminds us that GPS...

Blog Editor's Note: We have reported before on the tension between the government's need to test and exercise GPS disruptions and aviation interests that can suffer economic losses and other problems. This is particularly interesting as aviation has a network of...

Blog Editor's Note: The RIN has always been a leader in advocating for resilience. As an example, they typically host a Resilient PNT forum the day before their annual International Navigation Conference. The professional heirs of John Harrison and Isaac Newton, the...

Blog Editor's Note: While the Department of Homeland Security has said that it is working on a similar effort with NIST, progress has been slow. In fact, the government shutdown cancelled a workshop that was to be held at ION last week in Reston. We had been talking...

Blog Editor's Note:  The below excellent article by Dee Ann Divis gives some good context to a Q&A response by RNTF President Dana Goward at ION earlier this week. GPS Backup May Get More Attention as Lawmakers Highlight Risks to Space Assets, Critical...

Congressman Garamendi addressing an RNT Foundation meeting at the US Naval Observatory Blog Editor's Note: As the article below mentions, Representative Garamendi is the member of Congress who is most responsible for the National Timing Resilience and Security Act of...

Blog Editor's Note: RNTF President Dana A. Goward was interviewed this week by "Inside Cybersecurity."  It is good to see cyber professionals thinking and writing about GPS/GNSS disruption. Here's the article: DAILY NEWS Government advisor: DHS is behind the curve on...

Rohde & Schwarz sponsored an Inside GNSS webinar today on "GNSS Jamming and Crowd Sourcing Detection and Geolocation."  A poll at the end of the webinar showed 82% of the 450+ participants supporting action to counter jamming. The event proved an interesting mix...

Photo: Thomas Nilsen Blog Editor's Note: Russia continues to deny it is the source of GPS jamming in Norway's north where the two countries share a border, despite conclusive evidence to the contrary. During some of the first jamming incidents Norway published...

Image: Ministry of Defence of the Russian Federation Blog Editor's Note: In October Russia claimed that a US electronic warfare aircraft had taken over drones and caused them to attack a Russian base in Syria. The below report now says the attack was by terrorists. It...

Image: Shutterstock Blog Editor's Note: The author is the President of the RNT Foundation. $15M for GPS backup demo part of Congress’ march to terrestrial PNT     Administration struggling to keep up.     January 16, 2019  - By Dana Goward Est...

Blog Editor's Note: Thanks to member Mitch Narins for this informative post. This important work is yet another essential effort being delayed by the US government shutdown. Earth’s Magnetic North Shifting Rapidly – What’s It Mean for GNSS Users? Guest Post by RNTF...

Blog Editor's Note: One of the biggest problems in the GPS/GNSS 'ecosystem' is incompetent receivers. Usually this manifests itself when the receiver is interfered with through jamming or spoofing. Sometimes it's because the equipment hasn't been updated or maintained...

Image: Norway Communications Agency - Russian jamming can be very precise impacting just one satnav system, leaving others alone. Blog editor's note: These problems in northern Norway are not new. Since 2017, five major reported GPS/GNSS jamming incidents reported in...

Image: Andrew Harrer/Bloomberg-News   Congressman Peter DeFazio (D-OR) has been named the new Chairman of the House Transportation and Infrastructure Committee. He has made it clear that his focus will be mostly on infrastructure. We think that includes things...