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Space Junk Endangering GPS, Galileo, other GNSS

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...

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Using TV For GPS Backup In The USA – Conference Paper

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...

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Using Comm Sats for PNT – Two new reports

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...

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GPS Interference in Taiwan

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...

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Technology & Policy – Advisory Board Agenda for 3 & 4 May

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...

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Commercial LEO PNT inches closer with TrustPoint Launch

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...

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New dangers in space – CSIS threat assessment 2023

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...

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Europe takes a look at Alternate PNT

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...

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More on China’s No-fail PNT

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...

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We Need GPS Alternatives ASAP – DOD CIO (Defensescoop)

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...

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Locata Ticks all the Boxes in EU Demo

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...

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China Using Full Spectrum of Nav Warfare

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...

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March Resilient PNT News Available!

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...

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APNT with eDME

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...

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Comms, GNSS Interference, South China Sea

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...

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Coronal Mass Ejections, 2025 May be Worse – Physics Girl

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...

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Solar weather impacting GPS & oil drilling. What else?

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....

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Strong increase in GPS jamming over Finnmark – NRK

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...

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