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 disaster scenarios described, GPS signals could also fail due to human error (think the 2016 mishap), cyber attack, and electronic warfare.

Dr. Moriba Jah has a distinguished background in the space sciences and is currently an Asst. Professor at the University of Texas, Austin.


Brad P

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“The Father of GPS,” Dr. Brad Parkinson recently gave a presentation on the three most important things that must be done to protect GPS.

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