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Home »Industry developing creative solutions for GPS-denied environments – Military Embedded Systems
Image: U.S. Space Force/ Ethan Johnson What's New: A discussion of diversity of platforms and uses for GPS and the need for diverse alternatives. Why It's Important: Military, and eventually civil users will need to switch from over-reliance on GPS (a single point of...
Electronic Warfare Confounds Civilian Pilots, Far From Any Battlefield – NY Times
Image: Shutterstock What's New: Jamming and spoofing being covered by the New York Times. This important topic is getting broader attention. A particularly good point raised in the article is that the GPS tech used in commercial aviation is from decades ago when...
Guest Blog: Navigating modern warfare: PNT beyond GPS – Military Embedded Systems
Image: GAO/DOD What's New: A guest blog post by two officers of Cubic Corporation that correctly points out the need for the military to develop and implement non-GPS PNT. BTW - we prefer to say things like "GPS+" verses "beyond GPS." GPS is going to be part of the...
New SAE Standard – Toughening PNT with In-line Anti-Jam Antennas
Image: Shutterstock What's New: A new standard from SAE - "Toughening a PNT system with COTS in-line GPS/GNSS Jamming Protection" Why It's Important: Standards can be very effective ways to encourage adoption of beneficial practices. Many engineering organizations...
Five Decades of Global Navigation Satellite System Development – Aviation Week Network
Image: Aviation Week Network Happy Saturday! Here is an interesting graphic timeline of more than 50 years of GPS history by Aviation Week. Here's another fun fact. This timeline begins with the launch of Transit in April of 1960, a joint project of DARPA and Johns...
Jamming warfare and air taxis – GPS World
Image: Russian Defense Ministry What's New: An article dealing with two separate and distinct issues. Heavy GNSS jamming and other counter-UAV operations in Ukraine, and development of electric VTOL air taxi service at Tampa's airport. Why It's Important: Though the...
Deterring a looming Space Pearl Harbor through better public discourse – SPACENEWS
Image: Shutterstock What's New: A thoughtful, as usual, opinion piece by Brian Chow. He mentions how folks in Space Force are talking about a Space Pearl Harbor and how to prepare. Why It's Important: Space, especially GPS and space-based PNT, is far more critical to...
Report on Jammertest2023, a focus on spoofing / meaconing – GPSPATRON
Image: GPSPATRON What's New: GPSPATRON has released its report on this year's Jammertest in northern Norway. The event this year focused on not just denial, but deception. Why It's Important: As GPS/GNSS use grows, so do the ways in which malicious actors try to...
Kevin Mulvihill new DOD Deputy CIO – PNT only one of seven duties
What's New: Mr. Kevin Mulvihill has recently been named the Department of Defense Deputy Chief Information Officer for Command, Control, & Communications. Why It's Important: Within the Department of Defense, the Chief Information Officer is "the principal staff...
GPS/ADS-B Surprising Number of Potential Problems in U.S.
Image: John Wiseman (@lemonodor) who runs GPSJam.org What's New: Interesting depictions and video of warnings about possible outages for various GPS-enabled aviation traffic and safety systems. Why It's Important: GPS is essential to virtually every technology system...
Your GPS Stories Wanted – “Right Here, Right Now” to publish in 2026
Above Image: Shutterstock Katherine Dunn photo by Andrew Neilson What's New: RNT Foundation friend and former Platts and Fortune Magazine reporter Katherine Dunn is under contract to author "Right Here, Right Now." She says it will be a social and political history...
An Evening with “The Father of GPS” – Join us in Houston on December 5th to celebrate GPS’ 50th Birthday!!
Image: RNT Foundation and Shutterstock What's New: December 17th marks 50 years since GPS was approved as a program. The RNT Foundation is sponsoring a celebration of this anniversary at Houston's South Shore Harbor Resort and Convention Center on the 5th of December....
In Ukraine, a successful test was conducted on a defense system that suppresses the Russian GLONASS – Odessa Journal
Image: Shutterstock What's New: A Ukraine-developed GNSS jamming system used for protection primarily against drones. Why It's Important: Navigation warfare - using, denying, spoofing, navigation systems - has become a prominent feature of modern combat. This is...
Are We Over-Dependent on GNSS? – EE Times Europe
Image: MS Emily Goward-Redden What's New: An interesting discussion of more resilient u-Blox receivers and eLoran in the context of European PNT needs. Why It's Important: While the EU and US have done some science experiments, the UK is the only western nation we are...
The Russians Installed A GPS-Jammer In Ukraine. The Ukrainians Blew It Up – With A GPS-Guided Bomb: Forbes
Images: Ukraine Defense Ministry What's New: Another example of how GPS impacts nearly everything and its importance in modern warfare. Why It's Important: "... a Pole-21 crew has to be very judicious with how it uses its jammer—switching it on only when there are no...
All Jammed Up, DOT Urgently Seeks Complementary PNT – Inside GNSS
Image: US DOT Volpe Center What's New: Another look at what DOT is doing and a bit of speculation on why and where it is headed. Why It's Important: Understanding the government's motivation and therefore, perhaps, its goals and next steps can be key for companies...
When GNSS does not work – GPS World
Image: Shutterstock What's New: An interesting take by timing experts Richard Hoptroff and Steve Suarez. Why It's Important: It is always good for folks in the PNT community to remember that most of the world "doesn't get it" when it comes to the dangers of...
Romania GPS problems can extend far inland – report
Image: RNT Foundation & GPSJam.org What's New: Reports from Romania and aviation sensors demonstrate the breadth and impact of GPS jamming on a country not involved in conflict, but unlucky enough to be in the neighborhood. Why It's Important: The geographical...
UK Govt Science & Tech Council – PNT is top priority
Image: RNT Foundation What's New: The UK government's Council for Science and Technology (CST) provided advice on "Priorities for Strengthening the UK's Sovereign Space Capability." PNT was first on the list and included: "...the UK should develop a spectrum of...
Israel’s using widespread GPS tampering to deter Hezbollah’s missiles – Politico
Image: Shutterstock What's New: Evidence and reporting about intentional interference with GPS signals as part of Israel's battle with Hezbollah in the north of the country. Why It's Important: Missiles are a big part of the conflict for both Hezbollah and Hamas....
UK offering eLoran broadcast licenses
Image: RNT Foundation What's New: The UK is offering licenses, or at least a license, to broadcast eLoran. Why It's Important: The UK has resolved to include eLoran as part of its PNT resilience efforts. Having a process for companies to get a broadcast license shows...
Institute of Navigation Declares October 23 (10.23) “International GNSS Day”
Image: ION THE INSTITUTE OF NAVIGATION DECLARES OCTOBER 23 (10.23) “INTERNATIONAL GNSS DAY” The Institute of Navigation proudly proclaims the establishment of “International GNSS Day” on the 23rd of October annually. Manassas Virginia, October 10, 2023 - In...
Hon. Martin C. Faga – In Memoriam
We are greatly saddened by the passing of RNTF's co-founder and chairman of the board, the Honorable Martin C. Faga. Marty was one of the kindest, most sensible, and finest people I know. His passing will leave an especially large hole. In addition to his levelheaded...
UK government PNT plan focuses on policy, timing center, eLoran, defense time and SBAS – GPS World
Image: Shutterstock What's New: An announcement by the UK government about what they are going to do advancing PNT and resilience. Why It's Important: The announcement has lots of specifics about both technology and policy. Having the right governance and policy in...
America’s ‘Gold Standard’ GPS Risks Falling Behind Rival Systems – Wall Street Journal
Image: John Hartzell What's New: A WSJ article about challenges to GPS from other systems and how China is using its newer Bei Dou to undermine U.S. influence. Why It's Important: GPS-based PNT has been a powerful force enhancing U.S. status, prestige, and influence...
Ligado Sues U.S. Seeking $39 Billion in Spectrum Fight – Wall Street Journal
Image: Industry reps speaking against FCC decision at a press event. Office of Sen. James Inhofe What's New: The most recent chapter in the decades long story of the FCC licensing terrestrial broadcast on frequencies adjacent to space-based GPS signals. Why It's...
Fiber no protection from solar catastrophe – Wall Street Journal
Image: NASA What's New: A brief mention in a Wall Street Journal article titled "The Next Big Solar Storm Could Fry the Grid": "The undersea cables that carry most global internet traffic use fiber optics to transmit data. Those cables don’t carry electricity, but...
Suppressed GPS in Ukraine fuels development of US Army navigation tech – Defense News
Image: Shutterstock What's New: An interview with the Army's lead for assured PNT discussing recent developments. Why It's Important: As the war in Ukraine has shown, GPS is not sufficient for many applications. From the article: “Across the board, GPS isn’t the only...
Gaza & Israel GPS Jamming Increases with War
Image: GPSJam.org What's New: The war between Israel and Hamas has changed the patterns of GPS interference in the Middle East. Yesterday there more interference in Gaza and the West Bank than had been the case a week before It is hard to say if the GPS jamming is by...
In Romanian waters: Russia jamming GPS, Turkish ship hits mine
Image: Shutterstock What's New: Reports of Russian aggression expanding beyond Ukraine. A report last week from Romania's top general that Russia is jamming GPS for ships in its waters and increasing the risk of collision A Turkish cargo ship hit a mine off the...
Naive “day without space” article in Forbes
Image: Shutterstock What's New: An article in Forbes by the Executive Chairman of York Space Systems. It: Praises Space Force's great work and the quality of their folks - yes, we agree. Advocates for a more diverse, hybrid, military/commercial space architecture -...
Protecting GPS with Resilient PNT Solutions – Humber College, 17 November
Image: Humber College What's New: A Humber College (Toronto, Canada) event focusing on using TV broadcasts to complement and backup GPS/ GNSS. Why It's Important: This is one of the first events of its type in Canada that we know of. And, of course, protecting GPS/...
“Government must lead” on PNT – UK Preparedness Commission Report
Image: Shutterstock What's New: A report "Preparing for the Loss of Positioning and Timing" from the United Kingdom's National Preparedness Commission. "Government must lead." - Don't you love it when a complex issue discussed in an 18 page report can be summarized...
‘Any Interest in providing commercial eLoran?’ – DOT RFI
Image: RNT Foundation What's New: The U.S. Department of Transportation has issued a Request for Information (RFI) asking if there are companies interested in providing a commercial eLoran service in the United States. The request goes to some lengths to ensure folks...
DoD “Drone Hellscape” in Taiwan Strait (Aviation Week) – We have NAVWAR questions.
Image: Shutterstock What's New: An "operational concept" (Defense Department-speak for "idea") to defend Taiwan with thousands of drones when China comes across the strait to invade. Why It's Important: Taiwan, the U.S. and allies (right now the only confirmed one to...
Will Musk’s Starlink satellites lead to Kessler syndrome? – BIG THINK + Post from LeoLabs
Image: ESA What's New: Combining the threat of space weather with the threat of collisions causing more debris, causing more collisions, ultimately making space unusable (the Kessler syndrome), Why It's Important: Creating a dangerous debris layer at low earth orbit:...
‘Spoofing almost caused us to enter Iranian airspace. Missiles were waiting.’ – OpsGroup
Image: OpsGroup What's New: Several sites, including the FAA, are reporting GPS signal spoofing impacting aircraft in Iraq and other nations in the region. One aircraft nearly entered Iranian airspace without permission in a sensitive border area with two missile...
GPS Almost Ended Before it Began – Avionics News
Image: Avionics News What's New: An interesting article by our colleague Dave Hughes about the early days of GPS. Why It's Important: It showcases How hard it is for organizations and individuals to exercise a little imagination and accept change. The importance of a...
Phasing Out GPS Reliance in U.S. Military Operations: An Imperative in the Face of Emerging Threats – Real Clear Defense
Image: Shutterstock What's New: OK, the issue isn't really "new," but the article makes some good points and has some interesting background/historical info. Why It's Important: As we have seen in Ukraine, many of our "smart weapons" aren't when GPS isn't available....
Moscow Jamming Causing As Much Anxiety as Protection?
Image: John Wiseman What's New: John Wiseman on X/Twitter relaying comments from Russian pilots of small aircraft and citizens worried about flying and drones in and around Moscow. Why It's Important: It seems to show Ukrainian drone attacks are having a...
DHS Invites Critical Infrastructure to Fall 2024 Spoof-fest
Image: Shutterstock What's New: The Department of Homeland Security announced a GPS spoofing test event for the fall of next year. They are focusing on owners and operators of critical infrastructure. Why It's Important: Most previous events have focused on jamming,...
RIN’s David Last Fund 2023 Awardee Reports – Help Sponsor Students
Image: RIN What's New: An update on the impact the David Last Fund is having on students. Professor 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...
DOT Complementary PNT Action Plan – A New Hope?
Image: US DOT What's New: The US Dept. of Transportation unveiled its new Complementary PNT Action Plan at the CGSIC meeting last week. Among other things it says the government will start purchasing PNT services to protect itself starting in mid-2024. BTW - policy...
President’s National Infrastructure Advisory Council hears about PNT
Image: DHS What's New: RNT Foundation President Dana A. Goward spoke to the President's National Infrastructure Advisory Council today. Why It's Important: Every infrastructure relies on PNT. Yet despite two other Presidential advisory boards/ committees making...
DOT Looking for Resilient PNT – This time it’s serious!
Image: RNT Foundation What's New: The Department of Transportation (DOT) issued a Request for Information on "Complementary Positioning, Navigation, and Timing (PNT)." Why It's Important: Those familiar with the issue all agree that GPS is insufficient for some...
Find GNSS Interference w/in 100m from Low Earth Orbit – Univ Tex Radionav Lab
Image: University of Texas Radionavigation Laboratory What's New: The source of GPS/GNSS signal interference can be identified to within 100 meters by satellites in LEO. Why It's Important: Interference is bad. Messes up all kinds of things (if you didn't know that,...
UK’s RIN whitepaper nudging UK govt to think, talk about PNT
Image: Shutterstock What's New: The UK's Royal Institute of Navigation (RIN) has announced its 2nd Annual PNT Leadership Seminar. RNTF member Mitch Narins has also sent us an RIN whitepaper on Resilient PNT he helped write, and which he says will be discussed at the...
The Unsolved Mystery of the 2022 Texas Interference – Inside GNSS
Image: GPSJam.org What's New: Researchers at Virginia Tech provide some insights to the event. These include: It seems to have been two 12 hour events and jamming was intermittent. It is likely the jamming was likely from a directional antenna pointed upward (no/few...
China finishing “High-precision Ground-based Timing System” – a worry for the United States – GPS World
Image: Chinese Academy of Sciences What's New: We did a short post about this last week. The below article discusses more of the tech and strategic aspects of the project. Why It's Important: Time is fundamental to virtually all tech. China is far ahead of the U.S....
PNT, Sovereignty, & BeiDou Genesis – GW Prime
Image: Shutterstock What's New: A meditation on the importance of PNT to a nation's ability to control its own destiny. Why It's Important: Nation's usually want to be able to sustain themselves at some level without relying on another country. Would a country really...