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New, More Convenient GPS Jammer Available

New, More Convenient GPS Jammer Available

Blog Editor's Note; If you don't want to give up your car's electrical outlet to power your GPS jammer, this new device uses the On Board Diagnostic (OBD) port. We like that the vendor is very careful to explain the limitations of the equipment. It only impacts L1,and...

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Can’t/Won’t Fly Without GPS

Can’t/Won’t Fly Without GPS

Blog Editor's Note: There are those in the FAA and the aviation industry who, when asked about the importance of GPS to aviation claim that they have backups and can do without.* Never mind that the entire system would slow down, become less efficient and more...

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“Replacing GPS” – Lots of Hype, Lots of Shortfalls

“Replacing GPS” – Lots of Hype, Lots of Shortfalls

Blog Editor's Note: We love interesting articles that talk about new PNT technologies.  But when they talk about "replacing GPS," well, that's a bit of hype too far, in our opinion. Especially since, while all the systems described seem interesting, all fall short...

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SCREWED IN A MILLISECOND – Bloomberg Business Week

SCREWED IN A MILLISECOND – Bloomberg Business Week

Blog Editor's Note: More recent incidents and concerns tend to make many of us forget about the lessons of the January 2016 GPS timing glitch. I wonder how much we learned and how much different things would be today if it happened again. This article first...

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DHS Cyber Summit to Address GPS/PNT Vulnerabilities

DHS Cyber Summit to Address GPS/PNT Vulnerabilities

“PNT vulnerability very much top of mind” says Assistant Secretary We were misinformed that the DHS Cyber Summit was not going to include discussion of PNT issues. DHS’ Acting Assistant Secretary for Infrastructure Protection, Bob Kolasky told us that PNT issues will...

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US National PNT Advisory Board Meeting 6 August

US National PNT Advisory Board Meeting 6 August

The National PNT Advisory Board will meet by teleconference/WebEx at noon EST on the 6th of August. Agenda items are: Finalize and Approve the National Space-Based PNT Advisory Board Topics Paper Finalize and Approve the National Space-Based PNT Advisory Board...

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Resilient GPS for Small UAS – DHS Request for Info

Resilient GPS for Small UAS – DHS Request for Info

Blog Editor's Note; It is good to see DHS concerned about this issue. We wonder why, though, they are focusing only on GPS sensors as GPS/GNSS signals are inherently NOT resilient ...     2018 Resilient GPS Equipment Demonstration for sUAS  ...

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27 Organizations’ Concerns about Ligado – FCC Filing

27 Organizations’ Concerns about Ligado – FCC Filing

Blog Editor's Note: The RNT Foundation has filed several items with the FCC concerning adjacent band interference with GPS/GNSS. Subsequent to Ligado's most recent modification to their application, we joined a number of other organizations expressing continuing...

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NASA Chief – “Space Force to Guard GPS” – Bloomberg

NASA Chief – “Space Force to Guard GPS” – Bloomberg

Blog Editor's Note - We  are really, really good with guarding GPS.  But the real threats to are to the signals, not the satellites, and come from the ground not space. Perhaps we should worry about that first...   Bloomberg Politics Trump’s Space Force Will...

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“Jamming is Big Business” – Market Report

“Jamming is Big Business” – Market Report

Blog Editor's Note: We aren't suggesting you pay $5795.00 for this market analysis report. But it is interesting to see that the jammer market is big enough to warrant such an effort. Also that all the companies cited as feeding the market are major players,...

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Old GPS Antenna Turns Into a Jammer – Chronos Case Study

Old GPS Antenna Turns Into a Jammer – Chronos Case Study

Blog Editor's Note: It's interesting that the rouge antenna was about 60ft away from the antenna it was jamming. Also that fixing the problem automatically improved service to the company's customers. The Equinix LD4 Data Centre in Slough had been suffering...

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Protecting autonmous grids from potentially crippling GPS spoofing attacks – UC Santa Barbara

Timing & Electrical Grids – Two Views

Two perspectives on the role and importance of timing in electrical grid operations were on display in San Jose the week before last. One presentation was at the NIST Assured Access to Accurate Time Workshop  and was by the Electric Power Research Institute. It said...

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DHS Holding Another Jam Fest

DHS Holding Another Jam Fest

Blog Editor's Note: The Department of Homeland Security is hosting another opportunity for equipment manufacturers to evaluate their equipment's performance during live disruption conditions. This could be a valuable opportunity for some to...

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Truck GPS Jammers Impact Major Data Center – Orolia

Truck GPS Jammers Impact Major Data Center – Orolia

Blog Editor's Note: A good case study below from Orolia. Of particular note is the comment that: "Though the timing system used time servers that had internal atomic clocks and could operate through a temporary loss of the GNSS signals, this datacenter was critical...

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“Replacing GPS” – Lots of Hype, Lots of Shortfalls

High Horizontal Dilution of Precision 22-23 June 2018

Notice from US Coast Guard Users of the Global Positioning System (GPS) may experience a short period of high Horizontal Dilution of Precision (HDOP) / Position Dilution of Precision (PDOP) in the locations below at the times indicated due to satellite maintenance...

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Jamming GPS to Leave Work Early – Chronos Case Study

Jamming GPS to Leave Work Early – Chronos Case Study

Blog Editor's Note: GPS is an invisible utility that underpins most every networked technology. All nations must get better at preventing, detecting and stopping these kinds of disruptions. In Europe the STRIKE3 project's limited sampling has discovered 300 "jammer...

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Easily Spoofing Them All at Once – Inside GNSS

Easily Spoofing Them All at Once – Inside GNSS

Blog Editor's Note: There are some in the GNSS community who think that the only answer needed for resilience is use of multiple GNSS frequencies and/or constellations. This is problematic as all constellations use the same frequency band and can be easily jammed at...

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Parked Car Disrupts GPS Reception – NovAtel Case Study

Parked Car Disrupts GPS Reception – NovAtel Case Study

Blog Editor's Note: In a recent GPS World article on it's interference detection system, NovAtel included three examples of GPS signal disruption that have been detected by its system.  We enthusiastically support broad sharing of these kinds of case studies to...

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50,000 Euro Fines for Trucks with Jammers

50,000 Euro Fines for Trucks with Jammers

Blog Editor's Note: Government authorities around the world have been slow to address the problem of small GPS jammers because the negative impacts - dropped cell phone calls, temporary disruption of tracking and navigation services, slower networks - while...

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S. Korea to use eLoran for Autonomous Vehicles, Drones

S. Korea to use eLoran for Autonomous Vehicles, Drones

Blog Editor's Note: A recent article about South Korea's budding eLoran system and a presentation at the recent IALA Conference in Inchon is only available in Korean. The Google Translate version quoted from below clearly skews a couple ideas moving them from Korean...

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Russia, China Upgrading Loran/ eLoran Systems?

Russia, China Upgrading Loran/ eLoran Systems?

Western governments have generally shown little concern about GNSS vulnerabilities and their countries' critical dependence upon them. Not so for some others. Iran has announced that it has a Loran system to prevent its dependence on space. Saudi Arabia has had a...

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AF Looking to RF for PNT – 19 to 21 June Event

AF Looking to RF for PNT – 19 to 21 June Event

Blog Editor's Note: This could be an interesting event. It seems as thought it is structured around signals of opportunity, re-purposing existing RF wave-forms, and discovery of new signals for PNT. These certainly seem less expensive and more resilient that putting...

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eLoran in S. Korea – Status Report to IALA

eLoran in S. Korea – Status Report to IALA

Blog Editor's Note: The attached paper presented at a recent IALA meeting shows South Korea's eLoran project on schedule. While the UK eLoran system found 6 - 7 meter positioning accuracy, to date the S. Korean project has calculated 10m or less for many areas, but...

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Why We REALLY Need GPS

Why We REALLY Need GPS

Blog Editor's Note: Wishing everyone a wonderful Memorial Day holiday.  Keep in mind the sacrifices of the fallen and, if you are on the road, safe travels.  

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Y2K for GPS in 2019? – Not if you are ready!

Y2K for GPS in 2019? – Not if you are ready!

Sure, there was a DHS announcement last month, but this is info worth repeating. Help us make sure it gets out as far and wide as possible: Get your GPS systems ready now for the rollover event in 2019! Many folks will think "Oh, gosh, this seems complicated and...

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‘We need better PNT!’ – Unmanned Aviation

‘We need better PNT!’ – Unmanned Aviation

Smart Sky Networks hammered home two points at the PNT Advisory Board last week: UAV/UAS and On Demand Mobility are on the verge of being huge social and economic enablers They can't do it with easily disrupted PNT signals The United States has been a world leader in...

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‘Only at the Highest Levels of Government’

‘Only at the Highest Levels of Government’

'Resilient PNT efforts suffer from the tragedy of the commons. Every government department and agency wants it, but each think it's the responsibility of another. it can only be done at the highest levels of government and that's what's happening in the UK' This was...

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