Image: Shutterstock Blog Editor's Note: DSI is an RNT Foundation supporter. Mr. Dana A. Goward, RNTF's President, will be moderating this event.   DSI to host 2021 Assured PNT Summit in April February 12, 2021  - By Allison Kral The Defense Strategies Institute’s...

Image: Shutterstock Blog Editor's Note: The author is president of the RNT Foundation. Federal policy aimed at GPS interference, critical infrastructure March 7, 2021  - By Dana Goward In its closing days, the Trump administration issued several new policy documents...

Image: Ken Wells - Cessna instrument panel with and without GPS signals. Blog Editor's Note: A need and promise to invest in GPS interference detection and monitoring was mentioned in just about all the national PNT policy documents issued by the last administration. ...

Image: RNT Foundation Blog Editor's Note: The author is President of the RNT Foundation.   Congressmen urge administration on GPS timing backup March 4, 2021  - By Dana Goward In separate letters to the Office of Management and Budget (OMB) and new Secretary of...

Image: Twitter Blog editor's note: "Space hurricanes"? Seriously? We knew space was a dangerous place, especially for weak signals from GPS and other GNSS, but this sounds like something from a Star Trek episode. Quantum strings, spatial anomalies, space hurricanes....

Image: Shutterstock Blog editor's note:  Ok, we admit the title of the paper is a little more sophisticated. It is: "Does Radio Frequency Interference to Satellite Navigation pose an increasing threat to Network efficiency, cost-effectiveness and ultimately safety?"...

ION MEMBERS CAN VIEW THE RECORDING OF THIS WEBINAR AT: https://www.ion.org/publications/webinar-mars.cfm   THE INSTITUTE OF NAVIGATION TO HOST WEBINAR: NAVIGATION OF THE MARS 2020 PERSEVERANCE ROVER FROM EARTH TO JEZERO CRATER Manassas Virginia, March 2, 2021...

Image: Copies of Bowditch from 1826 and 1914 nestle with tomes released this month at RNT Foundation World Headquarters Our copy of the long-anticipated "Positioning, Navigation, and Timing Technologies in the 21st Century" in two volumes arrived this month. It was...

Image: Shutterstock Blog Editor's Note: This item will likely be of interest to our more technically minded readers. Question for the group - Would using this info in a receiver protect the user from meaconing? News Release: DHS Publishes Free Resources to Protect...

Image: Shutterstock Blog Editor's Note: A good reminder about the importance of GPS to agriculture. Some estimate that today's agriculture is 30% more efficient and food is much less costly and more plentiful than before GPS. If signals were to go away, so would those...

Image: Shutterstock Blog Editor's Note: This paper is another reminder that PNT is infrastructure for a host of technologies, including telecommunications. The better, more resilient the PNT, the better, more resilient our telecoms. This has been a theme at the ATIS...

Image Shutterstock Blog Editor's Note: With a passenger aircraft almost crashing into a mountain, drones big enough to kill someone crashing in back yards, and aircraft enroute nearly departing controlled flight, it is no wonder ICAO told its members addressing GNSS...

Blog Editor's Note: We heard this piece from Colorado Public Radio on NPR today. The title was hopeful, but as you will see reading the transcript or listening to the four minute piece here, a lot of the information has a kernel of truth, but is presented in a way...

Our friends in the UK have a series of interesting seminars coming up soon! 18 Feb 21 - Why PNT systems are vulnerable, recent disruption examples and impacts 25 Feb 21 - System requirements, systems-of-systems 11 Mar 21 - Risk assessment & prioritization 25 Mar...

Image: Shutterstock Blog Editor's Note - There are lots of reasons to worry about GPS vulnerability and our over-reliance on it. Disruptions can lead to accidents (like the near crash of a passenger plane in 2019), a halt to farming operations and digital broadcasts,...

Blog Editor's Note: In the1990's after the advent of GPS, the FAA planned to decommission its ground-based navigation aids and have aircraft rely entirely on space-based systems, essentially GPS and its augments. In 2001 a Volpe Transportation Systems Center report...

Blog Editor's Note; A great five minute video summary of all the bad things that happen when we don't have satellites.  A lot of talk about GPS, as you can imagine, and the need for terrestrial backups for all our space systems. Of course, in addition to the two...

Image: US Dept of Transportation's Volpe Center, credit U.S. DOT Blog Editor's Note: An insightful short piece by highly regarded technologist Logan Scott. While generally finding the DOT report useful, he makes excellent points about things that the report didn't...

Image: Shutterstock Blog Editor's Note: This article by Sputnik is interesting as it has some nuggets of information that haven't been widely known. For one, it reveals their spoofing capability exists simultaneously in hundreds of locations. Earlier analysis of...

Image: Shutterstock Blog Editor's Note: This problem impacted aircraft within 25 miles of the Wilmington, NC airport and had been documented since May 2020. This long standing problem was finally resolved due to the persistence of the airport 's highly dedicated...