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Panama Canal 3 Week GPS Disruption Mystery – GPSJam.org

Panama Canal 3 Week GPS Disruption Mystery – GPSJam.org

Image: GPSJam.org What's New: Recent tweet from John Wiseman about a disruption incident at the Panama Canal last August. Why It's Important: We could report nearly every day about GPS interference of some kind. Why go back to August and look at this one? It lasted...

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PNT Expert Matt Higgins on King’s Honours List

PNT Expert Matt Higgins on King’s Honours List

We were very pleased to see our colleague from the U.S. President's National Space-based Positioning, Navigation, and Timing Advisory Board, Matt Higgins, appear on this year's King's Birthday Honours List receiving the Public Service Medal. Matt is one of three...

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No Surprise – AIS Spoofing on the Rise

No Surprise – AIS Spoofing on the Rise

Image: Skytruth What's New: Numerous reports of AIS spoofing. The most prominent was by the New York Times about a Russian oil tanker trying to evade surveillance and maintain its insurance coverage. Of course, AIS spoofing, especially by Russia, is not new. See, for...

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It’s up to you, Minister!

It’s up to you, Minister!

Image: Minister Harbers, NL govt photo by Martijn Beekman Minister Mark Harbers is an important guy in The Netherlands. He is responsible for infrastructure and water management. With much of the country at or below sea level already, water management is a bid deal....

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Saudi Arabia Upgrading to eLoran

Saudi Arabia Upgrading to eLoran

Image: RNT Foundation What's New: Saudi Arabia is upgrading its Loran-C system to eLoran (OK, so not really new since this is from April, but we just saw the announcement). Why It's Important: While most governments say they are concerned about GNSS disruption, some...

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Canada’s Ligado Decision

Canada’s Ligado Decision

Image: Shutterstock What's New: Ligado sought permission for terrestrial broadcast in Canada on frequencies adjacent to GPS and was denied.  The FCC granted Ligado permission to do so in the U.S. This decision was appealed by seven groups one of which was the RNT...

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Magnetic Navigation Surging

Magnetic Navigation Surging

Image: US Air Force What's New: In just the last several days two different organizations in the Dept of Defense have had media releases about magnetic navigation. Why its Important: Lots of folks, DOD especially, are always looking for ways to navigate when GPS and...

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GPS Innovation Alliance Appoints Lisa Dyer

GPS Innovation Alliance Appoints Lisa Dyer

Blog Editor's Note: We missed this announcement somehow when it came out last month.  Nevertheless, we are very glad to welcome MS Dyer to the community! "The GPS Innovation Alliance seeks to protect, promote, and enhance use of GPS."  So, a lot of shared interests...

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Starlink, other LEO & comms sats also jammed

Starlink, other LEO & comms sats also jammed

Image: Shutterstock What's New: Russians are interfering with more than just GPS signals. They are jamming higher power satellites in Low Earth Orbit (LEO) also. Why It's Important: Calculating one's location using communications satellites can be an alternative if...

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UK considering eLoran broadcast licenses – GPS World

UK considering eLoran broadcast licenses – GPS World

Image: RNT Foundation Blog Editor's Note: The author of this article is President of the RNT Foundation. UK considering eLoran broadcast licenses May 23, 2023  - By Dana Goward The United Kingdom’s spectrum agency, Ofcom, is seeking comments on its proposal to issue...

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PNT left out of National Cyber Strategy – ION Newsletter

PNT left out of National Cyber Strategy – ION Newsletter

What's the news: National Cybersecurity Strategy doesn't recognize PNT as a critical component of cyber. Why it's important: IT systems use PNT feeds for data and to operate systems. Most PNT inputs are GPS-based. GPS signals are very easy to deny or imitate (hack)....

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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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Ukraine Is Spoofing Russian Drones Out Of The Sky – Forbes

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...

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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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Software Attacks on GPS/GNSS Receivers – Industrial Cyber

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,...

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UK considering eLoran broadcast licenses – GPS World

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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