Image: Shutterstock Blog Editor's Note:  Doug MacKinnon is a former White House and Pentagon official, who, while he has a flair for the dramatic, is not overestimating the problem and is not saying anything wrong. We don't normally go in for the really sensational...

Image: Shutterstock Blog Editor's Note:  Yup, we added the question mark to the headline. The Army's Mounted Alternative PNT System (MAPS) is certainly helping soldiers in challenging GPS environments, but it doesn't come close to what most would call an...

Blog Editor's Note: An interesting article about the inner workings of one of these devices.  Written for hands-on technologists, but many others might find it interesting also. Two notes: The author mentions he did not investigate its effective range. Authorities in...

Blog Editor's Note:  Last week we saw a notice that the UK Ministry of Defence would be doing jamming trials for the next several months.  Fortunately for users, the jamming is not going to exceed 2 minutes in length, and not more than 5 times an hour. We asked if we...

Blog Editor's Note: The author is President of the RNT Foundation. Opinion Differences in technologies could have led FCC astray Dana A. Goward “Astounded,” shocked,” “and “dismayed” were some of the adjectives used by a vast array of experts to describe the Federal...

1976: The first military GPS five-channel receiver built in one of several programs that studied the feasibility of GPS. The receiver weighed more than 270 pounds and had seats for two operators. (Photo: Rockwell Collins/Smithsonian) Blog Editor's Note: Excellent...

Vulnerabilities of GPS is a big concern: Dana Goward By Anusuya Datta 09/05/2020 Satellite systems have become an integral part of our businesses for precise navigation and timing services. Yet GPS/GNSS jamming, spoofing, and other forms of interference appear to be...

Image: Shutterstock RNTF Report Very few people know how to report problems with GPS reception. And few of those take the trouble to do it. So the listing that the US government maintains of GPS disruption reports really represents the tip of the iceberg. Likely only...

NASA Image Blog Editor's Note: An excellent article from the NASA website below. And another example of how difficult it is for people to learn from the past and prepare for the future.   As we are fond of pointing out, the US knew aircraft hijacking was a problem...

Image: RNT Foundation In September we reported how airline and pilot groups had raised the issue of GNSS disruption to the UN's International Civil Aviation Organization (ICAO). The body decided it was an urgent issue (airplanes have almost crashed because of GNSS...

Image: Shutterstock Blog Editor's note: Much of this item in Aviation Policy News relates the announcement of a group seeking a public-private-partnership with the government to build an eLoran system. Something we have already reported on. The author makes some...

Image: RNT Foundation Blog editor's note: We received this update from the relatively new UK national Timing Centre and thought it would be of interest to our readers. The centre has three objectives: Objective 1  Deliver a resilient UK national time infrastructure...

The RNT Foundation is grieved to convey the passing of a member and friend, Dr. Terry McGurn, yesterday at Reston Hospital. His wife, June was at his side. Dr. McGurn retired as an analyst in the Senior Executive Service from the Central Intelligence Agency. His...

Image:  Shutterstock Blog Editor's Note: We have espoused similar opinions often. It is good to see others taking up the call. The author advocates for establishment of an eLoran system. The National PNT Advisory Board has recommended this multiple times, and the US...

Image: US DOT Blog Editor's Note: The author of this article is the RNTF president.   No silver bullet for US PNT: Many sources needed   August 18, 2020  - By Dana Goward Many PNT sources from multiple providers needed “We cannot have GPS signals be a single...

A document issued by the federal government yesterday outlined over 18 laws and regulations that can be used to punish activities to detect and/or counter unmanned aircraft systems (UAS), more commonly referred to as 'drones.' The Advisory on the Application of...

Image: Chinese Fishing Vessels Far From Home - Shutterstock Blog Editor's Note: Another example of how GPS spoofing and jamming is used for malicious activity. Illegal, Unregulated, Unreported fishing is likely one of the biggest threats to the global environment and...

Loran Tower Image: RNT Foundation Blog Editor's Notes: Another chapter in the on-going saga of GPS backups and eLoran. The original version of the article can be read as Hellen Systems already having a partnership in place with the federal government. They have...

Image: Launch of 55th BeiDou Satellite courtesy of BeiDou.gov.cn Blog Editor's Note: The author of the below article is President of the RNT Foundation.  Our friend Prof. Todd Humphreys at Univ. Texas, Austin was one of the industry experts consulted for this story....

Image: RNT Foundation Blog Editor's Note: There are a number of good things about this year's Executive Order (EO) on responsible use of PNT.  This effort by OSTP is one of them. We do wish, though, that, in addition to this laudatory R&D effort, the executive...