The Cotopaxi volcano in Ecuador is “the largest pipe organ you’ve ever come across.” Credit: Silvia Vallejo Vargas/Insituto Geofisico, Escuela Politecnica Nacional (Quito, Ecuador)

 

Blog Editor’s Note: A interesting general interest article about some of the more obscure uses of GPS signals. 

Some uses, like analyzing the atmosphere and studying the sun during eclipses, leverage the fact that it doesn’t take much to affect GPS signals. Scientists have discovered they can learn a lot from how GPS signals are influenced by slight changes in the natural world.

All of which reinforces the idea that we should do everything we can to protect GPS signals and users.

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