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On this Memorial Day we gratefully remember those who have given their lives in the defense of our country. In this post, however, I would like to direct your attention to an article about a hero of World War I who by all rights should have died in the war but amazingly did not....

Michael Braasch will be presenting an overview of aided-inertial navigation as part of the webinar “Inertial Breakthroughs for the Autonomous Vehicle” hosted by InsideGNSS on Wednesday, November 20, 2019 starting at 1pm ET. As described in Alan Cameron’s online...

During the 2018-2019 academic year, an Ohio University Electrical Engineering senior design team, under my supervision, created a website to archive the performance of the four global navigation satellite systems (GNSS): the U.S. GPS, the Russian Glonass, the European Galileo and...

With Sunday’s crash of a Boeing 737 MAX 8 (Ethiopian Airlines Flight 302) following just four and a half months after a so-far unexplained crash of another 737 MAX 8 (Lion Air Flight 610), the public is understandably on edge. Two almost brand new airplanes crashing shortly...

Media reports indicate the anti-drone system known as ‘Drone Dome,’ manufactured by Israeli defense company Rafael, was deployed at the U.K.’s Gatwick airport after repeated sightings of a drone, or drones, within the airport perimeter. The major components of...

De Havilland Comet: The First Transatlantic Passenger Jet Boeing 747 Over the past week we observed the 50th anniversary of the roll-out of the first Boeing 747 (September 28, 1968) and the 60th anniversary of the first transatlantic passenger jet flight (October 4, 1958). The...

For the third time in two months, China has launched a pair of Beidou satellites into orbit. This is light speed considering that launches of single satellites a few months apart is normally considered fast. GPS World reports that the recent pair, launched September 19, are the...

The successful evacuation of an enormous number of allied troops at Dunkirk (May 27 – June 4, 1940) might well be argued to be the first serious failure of the Nazi war machine. Although dramatized last year in the movie ‘Dunkirk’ and featured later last year in...

As reported yesterday by CBS-affiliate KMOV in St. Louis, first responders in the city of Belleville, Illinois (about 5 miles southeast of St. Louis) used drones to surveil rooftops as part of their investigation of ‘credible threats’ made against students at the...

Earlier this week the CBS affiliate in Sacramento reported about residents in the Land Park neighborhood being unhappy about a drone flying over their homes at night. The culprit? The Sacramento Housing and Redevelopment Agency (SHRA) that manages two nearby housing communities...