It Costs $2 Million A Day To Maintain The GPS System, So Why Is It Free?


(via) Invented by the US military in 1978 so its forces could guarantee pinpoint accuracy around the world, the Global Positioning System is now made up of a constellation of 24 satellites funded by the American taxpayer to a tune of $2 million dollars a day. And yet it’s free, and not just to Americans, but to the entire world. Why? Real Engineering breaks it all down in this short but fascinating documentary.

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