Dana A. Goward
@GPSBackup
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President, Resilient Navigation & Timing Foundation. Tweets about #GPS #GNSS #PNT #Galileo #Jamming #Spoofing #Navigation #Government #TimeSync
Joined January 2015
New research near Kaliningrad finds coordinated, multi-constellation jamming & spoofing stronger offshore than on land — a serious warning for maritime operations in the Baltic. 🔗 https://t.co/t9sQRdFL07
#PNT #GPS #GNSS #MaritimeSecurity #Russia #Baltics #Spoofing #Jamming
rntfnd.org
Image: GPSJam.org What's new: A more in-depth look at GPSPatron's efforts with Gdynia Maritime University examining GNSS interference from Kaliningrad. It
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We often guard against the threats we see most often—while ignoring the risks that could destroy everything. Long-term GNSS denial is one such risk. Are we ready? 🔗 https://t.co/94Fdu3FB8R
#PNT #GPS #GNSS #Cybersecurity #CriticalInfrastructure #Infrastructure #Resilience
rntfnd.org
Image: Hurricane Isabel from International Space Station - NASA Johnson Space Center What's new: The Washington View column from the Nov/Dec 2025 edition
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Experts at the PNT Leadership Summit agreed: the U.S. must shift from defending a single PNT source to building a resilient, multi-layered architecture. Read the full report: 🔗 https://t.co/IaWH2mEuMp
#GPS #PNT #GNSS #Resilience #Infrastructure
rntfnd.org
Image: Shutterstock What's new: The proceedings (report-out) of September's PNT Leadership Summit co-sponsored by the RNT Foundation and Inside GNSS+. Why
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Starlink & OneWeb signals can fill GPS gaps in the Arctic, says new Ohio State study. @LEO satellites could strengthen navigation & timing resilience against jamming/spoofing. Read more: https://t.co/II80kE3WZx
#Starlink #OneWeb #GPS #GNSS #PNT #Cybersecurity #Jamming #Spoofing
rntfnd.org
Image: Navigating the Arctic Circle with Starlink and OneWeb LEO Satellites (2025). What's new: A paper from Ohio State University and Prof Zak Kassas.
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A Ukrainian strike hit a Russian #GLONASS receiver factory used for drones & missiles—evidence that #GNSS-based #PNT remains indispensable, even amid advanced electronic warfare. Read More: https://t.co/XUyMG5ke9e
#Ukraine #Russia #GPS #Infrastructure #Cybersecurity
rntfnd.org
Image: Youtube What's new: Ukraine unmanned systems destroyed a factory that makes GLONASS equipment for drones and missiles. Why it's important: It is
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Amid global #GPS jamming, South Korea 🇰🇷 is driving #eLoran cooperation with the UK & France — a major step toward resilient, standardized #PNT systems worldwide. 🔗 https://t.co/jHA0p8KcOR
#ROK #GNSS #Infrastructure #Transportation #Cybersecurity #Resilience #Jamming
rntfnd.org
Image: Co-pilot AI What's new: Expanded information about a recent tri-nation meeting led by South Korea. Why it's important: To be really effective,
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From Ukraine to Taiwan, satellite networks like Starlink are reshaping conflict communications — and vulnerabilities. China’s jamming tactics show why diverse PNT is essential. https://t.co/QkT6LaQ3sj
#China #Starlink #PNT #Cybersecurity #GNSS #Jamming #GPS #Galileo
rntfnd.org
Image: Shutterstock What's new: Report on a tactic to jam Starlink over broad areas. Why it's important: Starlink was used to overcome Russian jamming in
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Royal Navy reports a Russian “research vessel” near the U.K. jamming GPS & using lasers on patrol aircraft — actions that endanger navigation & violate international law. 🔗 https://t.co/lIeCJ5tmez
#Russia #GPS #GNSS #Jamming #PNT #MaritimeSecurity #UK
rntfnd.org
Image: Russian "research vessel" travelarium.ph / Shutterstock.com What's new: A Royal Navy report of Russian vessels sailing close to the U.K.'s shores.
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Rising GPS interference near Venezuela linked to regional military activity. FAA warns airlines of “potentially hazardous” conditions. 🔗 https://t.co/7AuWrH4WeN
#GPS #PNT #GNSS #Jamming #Spoofing #Aviation #Venezuela #TrinidadAndTobago
rntfnd.org
Image: GPSJam.org What's new: The US Federal Aviation Administration (FAA) issued an advisory yesterday about "WORSENING SECURITY SITUATION AND HEIGHTENED
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UK invests £155M in #PNT resilience: ✅ £71M for #eLoran ✅ £68M for National Timing Centre ✅ £13M for #GNSS interference monitoring ✅ £3M for space-based timing R&D https://t.co/g64SLWhqC0
#GPS #Resilience #Cybersecurity #Infrastructure
rntfnd.org
Image: Shutterstock What's new: The UK Science Minister announced £155M funding for PNT initiatives today at the Royal Institute of Navigation's annual
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“The prudent navigator will use all means available.” As #GNSS #spoofing grows, data fusion is key to safe #maritime navigation and situational awareness. https://t.co/y0dpGTzfdn
#PNT #Cybersecurity #Resilience #GPS #Navigation #DataFusion #Jamming #CriticalInfrastructure
rntfnd.org
Image: Shutterstock What's new: An article, focusing on maritime, about using data fusion to help overcome spoofing. Why its important: "The prudent
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Iridium’s new ASIC enables direct reception of its secure LEO timing signal — validated by NIST as accurate UTC. This breakthrough brings spoof-resistant, GNSS-independent #PNT into silicon. https://t.co/MyFLmWCQiG
#Iridium #GNSS #GPS #Resilience #CriticalInfrastructure
rntfnd.org
Image: Iridium What’s new After 3 years of work (and we are sure much expense) Iridium has developed a chip capable of receiving its timing signal. Why
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Investors are eyeing #GNSS & #GPS markets — but are they hearing about vulnerabilities? A new analysis shows value shifting from hardware to software fusion of #PNT sensors like IMUs & lidar. Read more: https://t.co/vEWUEusL24
#Cybersecurity #ResilientPNT #SpaceEconomy
rntfnd.org
Image: GPS III USAF What's new: A reasonably thorough overview of GNSS, uses, etc. targeted to investors. Why its important: This is what the investment
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A fair & open path to #ResilientPNT: The U.S. needs GPS backup that strengthens—not displaces—existing users. The RNT Foundation calls for transparency & competition in FCC spectrum decisions. 🔗 https://t.co/LAtEivpYgr
#PNT #GPS #IoT #FCC #SpectrumPolicy #Infrastructure
rntfnd.org
Image: Shutterstock What's new: A piece by Avi Rosenthal from the Z-Wave Alliance discussing the need to both backup GPS and not displace well-established
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New step toward global #eLoran cooperation — South Korea hosted U.K. & France to align on standards & policy for GPS backup systems. https://t.co/MFktKAIkLL
#PNT #GPS #Cybersecurity #Infrastructure
rntfnd.org
Image: Copilot AI What's new: A South Korean government press release about a two day meeting with the U.K. and France. Among the discussion items were:
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China now operates 3 commercial LEO #PNT systems — CENTISPACE, GeeSAT & SatNet — strengthening its already broad PNT infrastructure including eLoran & fiber timing. More: https://t.co/vhpi6ePYnX
#China #GPS #GNSS #Cybersecurity #CriticalInfrastructure
rntfnd.org
image: Shutterstock What's new: An update on China's commercial LEO PNT efforts from a good friend of the RNT Foundation. References: CENTISPACE:
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The EU continues to diversify its PNT architecture — exploring LEO comms as a complement to GNSS under a new “Fused PNT” study. Redundancy = resilience. 🔗 https://t.co/yvRDytYMiR
#PNT #GNSS #LEO #Galileo #Infrastructure #EU
rntfnd.org
Image: Shutterstock What's new: The EU has released a tender for a study on the feasibility of using LEO communications satellites for "complementary"
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