Dana A. Goward
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gpsbackup.bsky.social
Dana A. Goward
@gpsbackup.bsky.social
President, Resilient Navigation & Timing Foundation - Speaking Up for GPS/GNSS Users - Learn More: https://rntfnd.org/
Microseconds lost — trust tested. A power failure at NIST briefly disrupted the official U.S. time scale, showing how fragile even precise systems can be without reliable backups.

Read More: vist.ly/4jirh

#NIST #Timing #Resilience #PNT
NIST Loses Time - needs more backup? - RNTF
Image: Atomic clock at UK's National Physical Lab What's new: The U.S. National Institute of Standards and Technology (NIST) lost 4.8 microseconds last
rntfnd.org
December 23, 2025 at 4:05 PM
U.S. & Venezuela are both jamming #GPS in the Caribbean — a dangerous example of electronic warfare putting air & sea safety at risk.
Without GPS alternatives, interference will only increase.

vist.ly/4je7r

#GNSS #PNT #Jamming #Spoofing #CriticalInfrastructure
U.S. and Venezuela Jam Caribbean GPS Signals to Thwart Attacks, Raising Flight Hazard - NY Times - RNTF
Image: Shutterstock What's new: A fairly comprehensive report from the New York Times about jamming and spoofing in and around Venezuela. Why it's
rntfnd.org
December 22, 2025 at 2:05 PM
“Defend the signal” is no longer enough.

Experts at the 2025 PNT Leadership Summit urge action to build resilient PNT systems that can withstand GNSS disruption.

Full post:
🔗 vist.ly/4i2fc

#PNT #GNSS #CriticalInfrastructure #Cybersecurity
GNSS, While Still Essential, Has Become Insufficient - Inside GNSS+ - RNTF
Image: Resilient PNT Architecture - RNT Foundation What's new: Editor's intro to the Nov-Dec 2025 edition of Inside GNSS+. Why it's important: This intro
rntfnd.org
December 18, 2025 at 3:39 PM
RNTF President Dana Goward met with FCC Commissioner Trusty to discuss how to protect America’s #GPS & #PNT. The FCC has 3 dockets touching on PNT policy—vital for national resilience.

🔗 vist.ly/4ishk

#GNSS #Cybersecurity #FCC #Infrastructure
PNT and the FCC - RNT Foundation Speaks with Commissioner - RNTF
Image: Federal Communications Commission What's new: RNT Foundation President Dana A. Goward met with FCC Commissioner Trusty and staff recently to
rntfnd.org
December 16, 2025 at 8:13 PM
A USAF tanker flying “dark” — no ADS-B, no ATC contact — nearly collided with a JetBlue airliner.

Safety systems exist for a reason: they prevent disasters.

Full story: vist.ly/4ip8k

#ADSB #Aviation #PNT #Safety #GNSS
ADS-B off "U.S. Military Plane and JetBlue Flight Nearly Collided Over Caribbean" - New York Times - RNTF
Image: USAF Tanker DoD.mil What's new: A near-miss between a Jet Blue airliner leaving Curacao and a USAF tanker. The tanker was not broadcasting its
rntfnd.org
December 16, 2025 at 4:02 AM
The U.S. Coast Guard’s seizure of a tanker off Venezuela was “textbook” law enforcement.

The vessel had faked its location—violating international safety and navigation laws.

Full analysis: vist.ly/4insu

#MaritimeSecurity #PNT #AIS #GNSS #GPS
Oil Tanker off Venezuela Faking Location - Seizure "was textbook law enforcement ops" - RNTF
Image: M/T Skipper, Screenshot Marinetraffic.com What's new: The oil tanker seized by the U.S. that was carrying sanctioned Venezuelan oil had been
rntfnd.org
December 16, 2025 at 12:08 AM
Rep. Fulcher (R-ID) urged FCC Chair Carr to act on GPS backup systems, warning the U.S. is falling behind China & Russia. It's time to strengthen resilient PNT.

vist.ly/4inc4

#GPS #PNT #FCC #Defense #Cybersecurity #Infrastructure #China #Russia
Congressman Fulcher letter to FCC on GPS Backup - RNTF
Image: RNT Foundation What's new: Congressman Fulcher (R, ID) wrote to FCC Chair Carr saying: "As you know, China and Russia have developed and are
rntfnd.org
December 15, 2025 at 9:43 PM
During GPS tests off the Carolinas, Boeing & Airbus aircraft flagged “low integrity” alerts—proof systems can detect spoofing but still face disruption.

vist.ly/4imtx

#GPS #PNT #Spoofing #AviationSafety #Defense #Cybersecurity #CriticalInfrastructure
Airliners off U.S. coast spoofed by military testing - Spirent - RNTF
Image: Spirent What's new: An American Airlines and an Air Canada aircraft were spoofed off  the coast of the Carolinas yesterday. This was apparently due
rntfnd.org
December 15, 2025 at 7:31 PM
Golden Dome may do more than protect the U.S.—it could finally drive a national core resilient PNT architecture, benefiting civil infrastructure, too.

Read more: vist.ly/4im77

#ResilientPNT #GoldenDome #GPS #PNT #Defense #Cybersecurity #CriticalInfrastructure
Golden Dome and PNT - Inside GNSS - RNTF
Image: NASA Earth Observation Lab What's new: This article is a longer discussion of the NSSA paper we posted about last month. Why it's important: For
rntfnd.org
December 15, 2025 at 5:19 PM
New research near Kaliningrad finds coordinated, multi-constellation jamming & spoofing stronger offshore than on land — a serious warning for maritime operations in the Baltic.

🔗 vist.ly/4hwtp

#PNT #GPS #GNSS #MaritimeSecurity #Russia #Baltics #Spoofing #Jamming
Kaliningrad Jamming and Spoofing Up Close - Inside GNSS - RNTF
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
rntfnd.org
December 10, 2025 at 2:22 AM
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?

🔗 vist.ly/4hw6t

#PNT #GPS #GNSS #Cybersecurity #CriticalInfrastructure #Infrastructure #Resilience
PNT Threats, Risks and Disaster - Inside GNSS+ - RNTF
Image: Hurricane Isabel from International Space Station - NASA Johnson Space Center What's new: The Washington View column from the Nov/Dec 2025 edition
rntfnd.org
December 9, 2025 at 11:16 PM
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: 🔗 vist.ly/4hvic

#GPS #PNT #GNSS #Resilience #Infrastructure
PNT Summit Report 2025: Tackling Urgent PNT Challenges - Inside GNSS+ - RNTF
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
rntfnd.org
December 9, 2025 at 8:51 PM
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: vist.ly/4hef3

#Starlink #OneWeb #GPS #GNSS #PNT #Cybersecurity #Jamming #Spoofing
Starlink, OneWeb satellites provide accurate positioning in GPS-weak zones - TechXplore - RNTF
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.
rntfnd.org
December 5, 2025 at 7:36 PM
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: vist.ly/4h7f2

#Ukraine #Russia #GPS #Infrastructure #Cybersecurity
GLONASS receiver factory targeted by Ukraine - GPS World - RNTF
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
rntfnd.org
December 4, 2025 at 1:07 PM
Amid global #GPS jamming, South Korea 🇰🇷 is driving #eLoran cooperation with the UK & France — a major step toward resilient, standardized #PNT systems worldwide.

🔗 vist.ly/4gxv6

#ROK #GNSS #Infrastructure #Transportation #Cybersecurity #Resilience #Jamming
Republic of Korea (ROK) Leading Global Collaboration on eLoran - Inside GNSS - RNTF
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,
rntfnd.org
December 2, 2025 at 10:51 PM
From Ukraine to Taiwan, satellite networks like Starlink are reshaping conflict communications — and vulnerabilities. China’s jamming tactics show why diverse PNT is essential.

vist.ly/4fy7a

#China #Starlink #PNT #Cybersecurity #GNSS #Jamming #GPS #Galileo
Study shows how China could jam Elon Musk’s Starlink satellites if it invades Taiwan - The Independent - RNTF
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
rntfnd.org
November 25, 2025 at 6:15 PM
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.

🔗 vist.ly/4ftin

#Russia #GPS #GNSS #Jamming #PNT #MaritimeSecurity #UK
Russian vessel jamming GPS, using lasers in "innocent passage" off U.K. - RNTF
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.
rntfnd.org
November 24, 2025 at 7:21 PM
Rising GPS interference near Venezuela linked to regional military activity. FAA warns airlines of “potentially hazardous” conditions.

🔗 vist.ly/4fsed

#GPS #PNT #GNSS #Jamming #Spoofing #Aviation #Venezuela #TrinidadAndTobago
GNSS interference near & in Venezuela - FAA warning - RNTF
Image: GPSJam.org What's new: The US Federal Aviation Administration (FAA) issued an advisory yesterday about "WORSENING SECURITY SITUATION AND HEIGHTENED
rntfnd.org
November 24, 2025 at 3:54 PM