OCX Cancelled - Space Force way forward for L5 - RNTF Image: Mr. Bruno Mediate - US Space Force What's new: Official cancellation of the OCX program. Why it's important: Space Force can stop futzing with as

Space Force has officially cancelled OCX — and the GPS community says it was long overdue. Focus now shifts to setting #GPS L5 healthy, with FOC projected for 2030.
🔗 rntfnd.org/2026/04/22/o...
#PNT #GNSS #SpaceForce

Will $8B OCX be cancelled soon? - Lots of indicators - RNTF Image: Shutterstock What's new: A string of statements and actions that probably indicate the troubled OCX program is about to be cancelled for failing to

After 16 years and $8B, the Pentagon may cancel the #GPS Next Generation Operational Control System — and a new $105M Lockheed Martin ground control contract suggests the Space Force is already working around it.
🔗 rntfnd.org/2026/04/19/w...
#PNT #SpaceForce

Updated GNSS Interference Resource Guide - FAA - RNTF Image: FAA What's new: An FAA guide for pilots we just heard about. It was first published in December, but was recently updated Why it's important:

The FAA updated its #GNSS Interference Resource Guide for pilots — and it goes beyond systems: increased workload, stress, degraded crew coordination, and mistrust of flight deck systems are all documented impacts of #jamming and #spoofing.
🔗 rntfnd.org/2026/04/18/u...
#GPS #PNT

GNSS Interference Now a Constant of Modern Conflict, SWF Annual Report Finds - Inside GNSS - RNTF Image: Shutterstock What's new: The most recent edition of the Secure World Foundation's "Global Counterspace Capabilities" report discusses GNSS

The Secure World Foundation now classifies #GNSS interference as a constant of modern conflict — attacking signals is easier than attacking satellites and doesn't start a shooting war.
🔗 rntfnd.org/2026/04/16/g...
#GPS #PNT #Jamming

LA / Long Beach Port GPS Jamming Story - UHU in GPS World - RNTF Image: UHU What's new: Several interesting cases of interference and detection at the ports of Los Angeles and Long Beach, CA. Why it's important:

Hundreds of vehicles with personal #GPS jammers detected at the ports of LA and Long Beach — plus a malfunctioning genset disrupting terminal equipment. Most ports have no such monitoring in place.
🔗 rntfnd.org/2026/04/15/l...
#Jamming #PNT #CriticalInfrastructure

Key Takeaways from the Assured PNT Summit - Inside GNSS - RNTF Image: Defense Strategies Institute What's new: Takeaways from last week's Assured PNT Summit sponsored by Defense Strategies Institute and moderated by

The U.S. has the tech and cost isn't the barrier — but "everyone is responsible, so no one is responsible" for #PNT governance, while the UK's funded national architecture is already being executed.
🔗 rntfnd.org/2026/04/14/k...
#GPS #GNSS #CriticalInfrastructure

GNSS Timing: The Hidden Load Bearer - Alexander Parolini - RNTF Image: Shutterstock What's new: An interesting paper sent to us by member Alexander Parolini that offers a new take on what our over-dependence on GNSS

GNSS generates trillions in value — yet investment in the geodetic ground infrastructure protecting it runs in the tens of millions. A new paper calls this a formally unpriced #systemic risk with no analog in any other #CriticalInfrastructure
🔗 rntfnd.org/2026/04/13/t...
#GNSS #PNT

Norway's dependence on satellite PNT - Report - RNTF Image: Copilot AI What's new: A report commissioned by the Norwegian government on the nation's dependence on GNSS. Why it's important:  Understanding the

Norway puts a price on 7 days without #GNSS: ~NOK 3.4B — excluding defense and cascading infrastructure failures. A new govt report maps the nation's #PNT dependence and the case for resilient alternatives.
🔗 rntfnd.org/2026/04/10/n...
#GPS #CriticalInfrastructure

PNT Governance: Time for a Reset - Inside GNSS - RNTF Image: Shutterstock What's new: A "Washington View" column by RNTF President Dana A. Goward discussing the importance of governance and the need for

Experts at three major summits agree: the #1 thing holding back U.S. #PNT resilience is governance — not technology.
🔗 rntfnd.org/2026/04/09/p...
#GPS #GNSS #CriticalInfrastructure #Policy

The 'Father of GPS' on Assured PNT - in one page - RNTF Image: Brad Parkinson What's new: In preparation for this week's DSI Assured PNT Summit, Dr. Brad Parkinson, the first chief architect of the Global

GPS chief architect Dr. Brad Parkinson's pre-summit message: most proposed #GPS backup systems are still in demonstration phase — a complete system definition is required for serious consideration.

🔗 rntfnd.org/2026/04/05/t...
#PNT #GNSS #AssuredPNT

Unjammable Drones? - Todd Humphreys at Munich - RNTF Image: Todd Humphreys What's new: Interesting slides from Todd Humphreys' presentation at the Munich Space Summit.  Why it's important: He shows that

Can drones be made unjammable? RNTF advisor Prof. Todd Humphreys says yes — with layered navigation and investment in resilient user equipment. The policy question: who pays?

🔗 rntfnd.org/2026/04/04/u...
#GPS #GNSS #Jamming #PNT

Resilience, Timing and Trust: What Munich Revealed About the Future of PNT - Inside GNSS - RNTF Image: Shutterstock What's new: A report on the satnav portion of the Munich Space Summit. Why it's important: Munich is always an outstanding event.

U.S. DOT's new #PNT Director told Munich: a coherent U.S. resilient PNT strategy will come into "much sharper focus" in 1–2 years — with complementary #GPS tech evaluations and NTS-3 results expected this year.

🔗 rntfnd.org/2026/04/03/r...
#GNSS #CriticalInfrastructure

Assured PNT Summit to Focus on Resilience, Governance and the Future of National PNT - Inside GNSS - RNTF Image: Defense Strategies Institute What's new: The annual Assured PNT Summit is happening in DC next week. A few seats are still available. Why it's

Jamming & #spoofing have moved from theoretical risk to operational reality — the Assured #PNT Summit convenes in DC next week to address resilience, governance, and the future of national PNT.

🔗 rntfnd.org/2026/04/01/a...

GPS Disruption at Airports - Best Practices from DHS, DOD, and DOT - RNTF Image: Shutterstock What's new: A guide for airports from the Aviation Cyber Initiative (DHS/DOD/DOT) about how to prevent and prepare for GPS

DHS, DOD & DOT have published a best practices guide for airport #GPS disruption resiliency — because a ground-level outage can halt more flights than interference affecting aircraft in the air.
🔗 rntfnd.org/2026/03/31/g...
#PNT #CriticalInfrastructure #Aviation

Iridium PNT Celebrity at Munich Space Summit - RNTF Image: RNT Foundation This year’s long-standing annual Munich Satellite Navigation Summit was held as the second half of a new Munich Space Summit. We

We caught up with Iridium's Trevor Landon at the Munich Space Summit — where he debuted a new #PNT ASIC that's been in development since 2022 and just entered production.
🔗 rntfnd.org/2026/03/31/i...
#GNSS #LEOPNT

Global LEO PNT Report - Frontier SI - RNTF Image: FrontierSI What's new: An update to FrontierSI's LEO PNT report. It was completed at the end of 2025 and published yesterday. Why it's important:

The #LEOPNT market jumped from 9 to 14 constellations in one year — but only Iridium is fully operational. RNTF corporate member FrontierSI's 2025 State of the Market Report tracks who's building, and why.
🔗 rntfnd.org/2026/03/30/l...
#GNSS #PNT #Resilience

EASA & Eurocontrol release a 22-action plan for #GNSS interference in aviation — including a possible assessment of backup #PNT like LEO, LDACS, and timing systems if GNSS becomes unavailable.
🔗 rntfnd.org/2026/03/28/e...

When 5G networks bolster satellite navigation - GPS Daily - RNTF Image: Shutterstock What's new: A report about a Chinese paper describing how 5G signals could, with little change in infrastructure, complement GNSS to

New research shows existing #5G infrastructure could complement #GNSS to solve urban canyon positioning — minimal changes required from providers.
🔗 rntfnd.org/2026/03/26/w...
#PNT #GPS #Resilience

Users should pay for safety - Reason Foundation - RNTF Image: Shutterstock What's new: A commentary by the Reason Foundation about legislation that would compel aircraft owners to install upgraded ADS-B

Private aircraft owners resisting a $1K–$3K #AviationSafety upgrade mirrors users' reluctance to adopt jam-resistant #GPS receivers — when do safety mandates become unavoidable?

🔗 rntfnd.org/2026/03/24/u...
#PNT #Jamming

GNSS Jamming Spills Over into Europe’s Longest Sled Dog Race - Inside GNSS - RNTF Image: U.S. Air National Guard Senior Master Sgt. Julie Avery What's new: Yet another activity impacted by Russian jamming. Why it's important: A great

#GNSS jamming from Russia's Kola Peninsula is now disrupting GPS trackers at Europe's longest sled dog race — a stark reminder that satellite navigation underpins far more than aviation and shipping.
🔗 rntfnd.org/2026/03/23/g...
#PNT #Jamming #Russia #CriticalInfrastructure

Spoofing at Dallas - GPSwise - RNTF Image: GPSwise What's new: A short, 2 minute burst of spoofing near the Dallas-Ft Worth airport. Why it's important: Spoofing disrupts traffic flow,

A 2-minute #GPS spoofing event near Dallas-Fort Worth impacted 12 aircraft yesterday — and in Oct 2022, disruptions there lasted 44 hours with the source never identified.
🔗 rntfnd.org/2026/03/20/s...
#Spoofing #PNT #Aviation #DFW

China Has Built A Triad Of Satellites, Towers And Fibre To Never Lose Its Way In War. India Doesn't Have One - #SWARAJYA - RNTF Image: Shutterstock What's new: The first coverage we have seen in India about this issue. Why its important: India and China are neighbors and have a

China built a resilient PNT triad — satellites, towers, and fiber — while India's #NavIC falters. The #PNT gap between these two neighbors has real strategic consequences.
🔗 rntfnd.org/2026/03/19/c...
#GPS #China

Finland moves to make jammers illegal - RNTF Image: Jammerall.com What's new: The government of Finland is proposing legislation to make unauthorized possession RF jammers illegal. Why it's

Finland is moving to criminalize #jammer possession — not just use — closing the enforcement gap that lets #jamming devices slip through the law.
🔗 rntfnd.org/2026/03/18/f...
#GPS #GNSS #PNT #CriticalInfrastructure

European Space and Chinese Authorities Both Progressing with eLoran - RNTF Image: European Space Agency International eLoran Standardization Workshop What's new: The European Space Agency posted about an international eLoran

New research confirms fusing #eLoran with BeiDou significantly improves positioning when satellite visibility is limited — as ESA advances international eLoran standardization.
🔗 rntfnd.org/2026/03/14/e...
#PNT #GNSS #Resilience

Bogus claim in Al Jazeera - China's Bei Dou is "unjammable" - RNTF Image: Shutterstock What's new: A claim in Al Jazeera that Iran is using an "unjammable" version of Bei Dou to guide its missiles and drones. Why it's

Claims that #BeiDou is "essentially unjammable" are spreading — but #GNSS experts say the physics simply don't support it.
🔗 rntfnd.org/2026/03/13/b...
#GPS #PNT #China #Jamming

Iran, Hormuz, shipping - lots of concern and coverage - RNTF Image: Jeremy Bennington, Spirent What's new: Concern and press coverage about GNSS interference in the Persian Gulf and Strait of Hormuz continues to

#GPS jamming in the Strait of Hormuz is escalating — shipping near-halted, global economy feeling it, and reports Iran may be guiding weapons with an "unjammable" #BeiDou variant.
🔗 rntfnd.org/2026/03/12/i...
#GNSS #Jamming #China

UK Invests £180 Million in National Timing Centre to Back Up GNSS - Inside GNSS - RNTF Image: Shutterstock What's new: A press release about the latest step in the UK's timing project. Why it's important:  If you are a regular reader, you

The UK is investing £180M in a National Timing Centre — atomic clocks, fibre, and #eLoran — so critical infrastructure keeps running when #GNSS fails.
🔗 rntfnd.org/2026/03/11/u...
#PNT #Resilience #CriticalInfrastructure

Sorry, SpaceX: It’s Getting Too Crowded Up There - New York Times - RNTF Image: European Space Agency What's new: An interesting article about how climate change is reducing number of satellites that can safely co-exist in Low

Climate change is shrinking how many satellites can safely orbit Earth — researchers say #LEO capacity could be cut in half by 2100, putting #GPS and all space-based #PNT at greater risk.
🔗 rntfnd.org/2026/03/10/s...
#SpaceDebris #GNSS

If GPS Went Dark, What Would Fail First? - Curiosmos - RNTF Image: Shutterstock What's new: An article that discusses an interesting question. We think it gets the answer wrong. Why it's important: The questions of

The first thing to fail when #GPS goes dark may not be timing — transportation collapses instantly, with zero hold-over. Are we focused on the right risks?
🔗 rntfnd.org/2026/03/08/i...
#PNT #CriticalInfrastructure #Resilience

Russian submarines and GPS jamming: The new reality for Baltic cruisers - RNTF Image: Shutterstock What's new: A maritime report and perspective we don't usually hear from - the yachting world. Why it's important: This article

Russian naval activity near Kaliningrad is bringing #GPS #jamming directly into the path of civilian sailors — and the Baltic is becoming the new normal for #GNSS disruption.
🔗 link.rntfnd.org/9fx
#PNT #Russia #Maritime