Worry about PNT and national security, not just eLoran
March 8, 2022
Letter to the Editor February 2022 In November’s issue of GPS World, Editor-in-Chief Matteo Luccio opined that […]
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Letter to the Editor February 2022 In November’s issue of GPS World, Editor-in-Chief Matteo Luccio opined that […]
June Cover Story In the June issue’s cover story, “Interchangeability Accomplished,” is a paragraph headed, “Satellite Intersystem Biases,” […]
In a comment posted to GPS World’s website on Tony Murfin’s recent column, “Hexagon’s Acquisition of Veripos: Why […]
Orbital Planes, Nightmares, Pioneers Good morning, Dr. Langley, I have a seven-year-old drawing of GPS satellites in their […]
Our first mistake is to presume an environment of perfection and security. Nothing is foolproof and spoof-free. Every […]
The article “Drone Hack” in the August issue of GPS World and Todd Humphreys’ testimony before a House […]
In your March editorial, “The Fire Next Time,” you ask for suggestions to protect against another LightSquared encroachment. The solution is remarkably simple. Just let the same bandwidth be used for space downlink as it was originally intended. That would be both innocuous to GPS receivers and, more importantly, stake the ground against future challenges like LightSquared.
— Alan Browne
Lorraine, Quebec
We have been reading with much interest the Innovation column, “GNSS Antennas and Humans” (Innovation, February issue). As the interaction with the human body is something many companies designing GPS into their products do not consider, it is great to see this topic being given some recent attention. We do feel, however, that we should comment on some issues we see in the article, especially as one of our antennas has been used as part of the testing.
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