eli5 How do companies use satellites
Company’s like geocaching or Snapchat use satellites to track where we are. Do they send their own satellites or do they buy information from an already existing one?
In: Technology
The U.S. GPS satellites are owned by the government. They are free to use for civilian use. All you need is a receiver. The civilian GPS signal is purposely degraded to introduce error. Usually the accuracy is plus or minus 30 feet. It’s usually better than that, but that is the standard. Aircraft, military, and professional survey grade GPS is accurate within centimeters.
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