Best tech to protect GNSS/PNT – GPS World Editorial Advisory Board

November 30, 2025

Written by Editor

Image: Shutterstock

What’s new: The GPS World Editorial Advisory Board takes on the question:

Among the technical approaches being researched this year for GNSS/PNT protection, which do you consider most effective or promising?

Why it’s important: This is a critical question for both government and industry leaders.

What else to know: Three advisors to an industry journal were quoted, though only one named a technology.

 

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GPS Editorial Advisory Board: Expert takes on GNSS protection

November 24, 2025  – By 

Among the technical approaches being researched this year for GNSS/PNT protection, which do you consider most effective or promising?

Photo: Jules McNeff
Photo: Jules McNeff

“The simple answer is what I have been saying many times before. The most effective way to back up GPS/GNSS is to use the terrestrial technology available from eLoran.  It is affordable, long-range, precise and essentially unjammable.

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