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Space Junk Endangering GPS, Galileo, other GNSS
Image: European Space Agency What's New: Europe's concern about the increasing amount of dangerous debris in space threating Galileo, GPS and other satellites in Medium Earth Orbit (MEO). What to Know: There are MILLIONS, maybe tens of millions, of pieces of debris in...

GNSS Security Attack Vectors in National Critical Infrastructure – Chronos Technology
Image: Shutterstock What's New: A summary of various cyber attack vectors using GPS/GNSS by long-time RNTF member Chronos. Why It's Important: There has been a long standing debate in government as to whether PNT disruption is an electronic warfare or cyber problem....

An Intelligence Officer’s Perspective on China – RADM Studeman, USN
Department of Defense Image What's New: We included this as part of another post last week, but decided it was too important to be buried as part of something else. A great perspective on: China deliberately, over the long haul, using every lever of national power and...

How Resilient Position, Navigation and Timing can INSPIRe greater confidence in the Blue Economy – INSPIRe Team
Image: Shutterstock An informative LinkedIn post from our friends at NLA International. How Resilient Position, Navigation and Timing can INSPIRe greater confidence in the Blue Economy Blue Economy Pulse 2,012 followers Follow May 12, 2023 By Phil...

Japan to declare independence from GPS – Location Business News
Image: Govt of Japan What's New: Japan is increasing the number of its regional navigation satellites from 4 to either 7 or 11. Either way will allow users positioning, navigation, and timing independently from GPS. Why It's Important: Nations are concerned GPS may...

GPS & China’s “Unforgettable Humiliation” – Defense Strategies Institute remarks
Image: Shutterstock What's New: Growing awareness of multiple threats from China, including their huge Tactical PNT advantage in the Taiwan Strait and South China Sea Strategic PNT advantage to the USA with Ability to attempt to influence policy and actions by threats...

Using TV For GPS Backup In The USA – Conference Paper
Image: National Assn. of Broadcasters What's New: More information about how TV broadcasts could be used to provide PNT independent of GPS. We have posted about this before. The article excerpted below provides an updated description. Why It's Important: Having more...

Using Comm Sats for PNT – Two new reports
Image: Shutterstock What's New: Several new papers showing how to use communications satellites to derive PNT. Why It's Important: There are lots of comms satellites up there They are in Low Earth Orbit, verses Medium Earth Orbit for GPS/GNSS, so signals are much...

“The most dangerous national security moment since WWII” – Senator Wicker on China
Department of Defense Image What's New: An impassioned short speech on the floor of the Senate by Sen. Wicker, ranking member of the Armed Services Committee Why it is Important: Part of a growing awareness of China as a multi, multi, multi dimensional threat. And a...

AFRL’s NTS-3 Satellite Experiment Tinkers with GPS But Doesn’t Really Fix America’s PNT Problem – Forbes
Image: US Air Force What's New: Senior aerospace executive acknowledges DOD does not seem interested in doing anything other than tinkering with better PNT. What to Know: The Government Accountability Office issued three reports in 15 months criticizing the way DOD...

GPS Interference in Taiwan
Europe's STRIKE3 project showed that 90% of interference signals are accidental. That doesn't mean they are harmless. Think about the commercial passenger aircraft that was almost lost in Sun Valley. And the major disruptions last year in Dallas and Denver. We wonder...

Official Details Space-Based Threats and U.S. Countermeasures – U.S. Dept of Defense
Image: Shutterstock "Over just the last few years, the quantity and quality of counterspace threats have increased significantly," What's New: DOD information about threats in space. Most, if not all, is a rehash of publicly available congressional testimony. But it...

‘China will take out space in Taiwan conflict’ – Washington Post
Image: YouTube - Chinese spacecraft damages US satellite, "Space Force" Episode 1 What's New: Leaked classified documents obtained by the Washington Post indicate government intelligence agrees with what most observers have been saying. In a conflict over Taiwan,...

Technology & Policy – Advisory Board Agenda for 3 & 4 May
Image: NASA What's New: Here is the agenda for the President's Space-based Positioning, Navigation, and Timing Advisory Board meeting in Annapolis, MD next week (3rd and 4th of May). What to Know: You don't have to go to Annapolis to attend the meeting! A link to...

RNT Foundation & 90 others urge reversal of Ligado Decision – again.
Image: Shutterstock 91 groups across a wide range of industries have sent a letter urging the Biden Administration and Congress to work with the FCC to stay and ultimately set aside the harmful Ligado Order. In the letter, the groups stated: “Three years after...

Ukraine Is Spoofing Russian Drones Out Of The Sky – Forbes
Image: Drone crash caused by GPS interference - UK Civil Aviation Authority What's New: First report we have seen about Ukraine using spoofing. To be expected, but now its in the open. Why It's Important: It is an affirmation that this goes on all the time on all...

Farmers ‘crippled’ by satellite failure as GPS-guided tractors grind to a halt – Sydney Morning Herald
Image: Shutterstock What's New: A commercial satellite-based augmentation system (SBAS) that enabled highly precise (2 cm) GPS positioning failed. This was NOT a problem with GPS. Why it's Important: Precise navigation has meant huge savings in fertilizer,...

GPS jamming defeating US weapons in Ukraine – Leaked documents
Image: HIMARS - Shutterstock What's New: Leaked classified documents show Russian jamming GPS signals significantly impacts US weapons in Ukraine. Most of the media has focused on JDAM "smart bombs." Other GPS-guided systems like the M270 and HIMARS seem to be...

Who can damage, destroy in space? More than you think – 2023 report by Secure World Foundation
Image: Shutterstock What's New: An annual report on counterspace capabilities of various nations by our friends at Secure World Foundation Not just the usual suspects. The report includes info on Australia, South Korea, Japan, France, the UK, among others. Why its...

Commercial LEO PNT inches closer with TrustPoint Launch
Image: Shutterstock What's New: TrustPoint launched the "First Commercially-Funded, Purpose-Built PNT Microsatellite." Why Its Important: PNT from space has always been an expensive and government-sponsored effort. Several companies have been formed to provide PNT...

New dangers in space – CSIS threat assessment 2023
What's New: CSIS released their annual Space Threat Assessment yesterday. Lots of focus on Russia attacking Ukraine, of course. And the other usual players - China, Iran, North Korea, India. GPS is mentioned 37 times. New insight: Use of commercial space by Ukraine...

Increasing GNSS interference: UK and EU warn aviation – GPS World
Image: Shutterstock Note: The author is President of the RNT Foundation. Increasing GNSS interference: UK and EU warn aviation Est. reading time: 2:30 April 11, 2023 - By Dana Goward “Since February 2022, there has been an increase in jamming and/or possible spoofing...

GPS Jamming in Israel Spikes Amid Regional Flare-up – HAARETZ
Image: GPSJam.org What's New: Even more interference with GNSS in the mid-east. - Go figure. Note the reports of earlier instances of spoofing also. We wonder if the impacts were only felt in aviation? No mention in the article. On the ground were Uber, Lyft still...

Europe takes a look at Alternate PNT
What's New: Last month the EU released its report on its alternative PNT demonstration project. Why it's Important: The project, begun in 2020, examined technologies from 6 different companies. It confirmed there are mature technologies capable of providing time and...

China & Russia Threats to U.S. Satellites – Recent DNI Report
Image: Director National Intelligence What's New: The Director of National Intelligence's 2023 Threat Assessment reinforced existing info about the threats by Russia and China against our space-based assets. Why its Important: China and Russia have alternatives to...

Software Attacks on GPS/GNSS Receivers – Industrial Cyber
Image: Shutterstock What's New: Increasing discussion of GPS/GNSS receivers as computers and vulnerable to software attacks. Why It's Important: This is yet another vulnerability for equipment and users that access weak, easily imitated GNSS signals. What Could,...

More on China’s No-fail PNT
Image: US Coast Guard What's New: Well, the paper below is from last year, but our alert member Jens just discovered and sent it to us. This is the most recent in a series of papers documenting and supporting China's expansion of eLoran into the western part of the...

Northern Norway fights for title of “World Jamming Capital”
Image: GPSPatron Northern Norway seems to be a hotbed of GNSS jamming. We have seen regular reports of interference from Russia across the border. Yesterday the folks at GPSPatron reported more jamming there again. And recently the Norwegian government announced it...

Crewless container ships (and oil spills?) appear on the horizon
Image: Shutterstock (and is that an oil spill?) What's New: Maritime is getting ever closer to autonomous operation. Why its Important: Except for China, needed navigation systems are not in place to do this safely. Safe automatic navigation will require a layered...

99.9% Not Good Enough for Urban Drones – Prof. Todd Humphreys
Image: Univ of Texas Blog Editor's Note: If commercial aviation had a 99.9% safety record, in a normal year there would be 4,000 plane crashes around the world every day. That's why each component of a safety of life system is built to the most rigorous of standards...

Gone in seconds! Car thieves in Delhi using jammers to render GPS ineffective – Times of India
Image: Shutterstock Blog Editor's Note: This is not the first of these we have seen. Even more dramatic were reports we have forwarded you about a Scottish criminal gang using all kinds of jammers to run drugs and commit heinous acts, and devices being found in the...

Near loss of aircraft, major disruptions at Denver and Dallas – One page grabbers
Image: Shutterstock We have been talking with aviation folks in Congress and elsewhere about the impact of GPS disruption on aviation. Here are three one-pagers we have been using. Feel free to distribute and use yourself! Click on each to download. For more on each...

We Need GPS Alternatives ASAP – DOD CIO (Defensescoop)
Image: US Navy/DVIDS, DOD CIO John Sherman and USAF LGEN Robert Skinner What's New: The Department of Defense CIO said adversaries are going attack GPS on the first day of any conflict. Getting alternatives now is a high priority, Why it's Important: The CIO is the...

Locata Ticks all the Boxes in EU Demo
Image: Locata/US Air Force Full Disclosure - Locata is a corporate member of the RNT Foundation. What's New: The EU finally published the results of its evaluation of seven APNT different technologies. Of those evaluated, Locata was the only one that satisfied all of...

China Using Full Spectrum of Nav Warfare
Image: Shutterstock What's New: China understands the criticality of navigation warfare to every element of national power. And they are using it. Why it's Important: U.S. influence and power around the world are fading compared to China. Sadly. U.S. officials: Have...

Navigating our Dependency on GPS – Old Crow’s Podcast (Ukraine discussion)
Image: RNT Foundation Blog Editor's Note: Always good to have our message in a different media format! The podcast includes a discussion of jamming in Ukraine. Navigating Our Dependency on GPS The U.S. relies highly on GPS, navigation timing systems, and...

What does the future hold for military and commercial systems dependent on current GPS? – GPS World
Image: Shutterstock Blog Editor's Note: A good article making the point that the future is GPS+ - GPS signals melded with, supported by, and cooperating with other PNT sources. There have been a number of articles talking about NTS-3 and other systems that are "the...

Need for Resilient Position, Navigation, Timing Services – Geospatial World
Image: Department of Homeland Security Blog Editor's Note: A good opinion piece by the CEO at NextNav. We have to agree with almost all the ideas expressed in the article. The author does say: "It’s promising that policymakers, infrastructure owners, and businesses...

Pentagon working to prevent Musk & Starlink holding US hostage – Nextgov
Image: Shutterstock Blog Editor's Note: This is the classic problem described by President Eisenhower in his "military-industrial complex" speech. "In the councils of government, we must guard against the acquisition of unwarranted influence, whether sought or...

Russia Versus Ukraine and the Role of Software-Defined Radios – The Cyber Edge (AFCEA)
Image: mil.ru Blog Editor's Note: SDRs are an important tool in electronic warfare for nation states. They can also be malicious tools for terrorist groups and criminals. It has been interesting to watch the news on this. Russia jamming GPS navigation to prevent drone...

Sen. King Urges Top General to Make GPS Alternatives a “High Priority”
Image: Senate video. Blog Editor's Note: We hope more national leaders gain such insights. Navigation Tech a Vulnerability for America’s Military, King Urges Top General Make GPS Alternatives a “High Priority” In a hearing of the Senate Armed Services...

March Resilient PNT News Available!
Image: Shutterstock RNT Foundation's March Newsletter is now available here. It is a compilation of the previous month's posts about a variety of interference, technology, policy, and PNT community news. Even if you subscribe to our blog, it is a good reminder of...

China’s BeiDou: New Dimensions of Great Power Competition – Harvard’s Belfer Center
Image: Shutterstock What's New: A recent paper from Harvard discusses China using BeiDou for soft and hard power. It says U.S. officials are not recognizing nor responding to the soft power initiatives. Why It's Important: China's soft power use of BeiDou can give...

APNT with eDME
Image: Ohio University Blog Editor's Note: An "oldie but goodie" from Ohio University back by popular demand. Just goes to show that there are a lot of options around, and we have been looking at them for a looooong time! eDME Architecture Development and...

Comms, GNSS Interference, South China Sea
Image: Shutterstock Blog Editor's Note: We wonder which country's warships could be doing this? BTW: 121.5 is the aviation emergency and calling frequency. 123.45 is designated "...to enable air-to-air communications for aircraft engaged in flights over remote and...

Coronal Mass Ejections, 2025 May be Worse – Physics Girl
Image: Physics Girl/ YouTube Blog Editor's Note: Happy Saturday! We have had some interesting, though not severe, solar activity recently. Here is an refresher on coronal mass ejections (CMEs) from Physics Girl. She mentions the Carrington Event but doesn't relate...

New National Cybersecurity Strategy – Hope for Resilient PNT?
Image: Shutterstock What's New: The White House released the National Cybersecurity Strategy this week. Why It's Important: The strategy acknowledges the importance of positioning, navigation, and timing, though it is only specifically mentioned once. It asks more...

Solar weather impacting GPS & oil drilling. What else?
Image: Shutterstock Blog Editor's Note: Dr. Tamitha Skov is one of the leading experts on solar activity and the nation's best educator on the subject. Her videos and posts about on-going and upcoming events are informative and engrossing. We highly recommend....

Strong increase in GPS jamming over Finnmark – NRK
Image: Lotte-Camillia-Holst-Hansen, NRK What's New: Northern Norway has been jammed almost every day this year. The Norwegian government is responding by setting up instruments to measure it. Why it's Important: Norway has tried diplomatic measures to get Russia to...

Europe warns about, underestimates impact of, GNSS disruptions on aviation
Image: Shutterstock What's New: The European Union Aviation Safety Authority (EASA) recently issued a warning about an increase in GNSS interference over the last 11 months. Why its Important: GPS/GNSS is used for navigation, approaches and landings (often), avoiding...