The Basics of Global Navigation Satellite Systems

Global positioning data is embedded in all sorts of civilian, military and LEO products — but did you know GPS is just one of several types?

The Basics of Global Navigation Satellite Systems

U.S. Army Reserve photo by Sgt. Christopher Osburn

The widespread impact of the ransomware attack on Garmin over the summer got me thinking about how important global navigation satellite systems (GNSS) have become. Once the sole purview of the U.S. military, access to global positioning data has now been embedded in myriad consumer products. It’s so common, we take it for granted. Can you imagine (or do you remember) having to drag out a big paper map for directions while driving? If we lost this capability, not only would...

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