This Discovery News segment from 2013 describes the GPS network, where it came from, how it works, and how it it being upgraded with a new generation of satellites.
Free PreK-12 lesson plans, activities, and resources
Free PreK-12 lesson plans, activities, and resources
This Discovery News segment from 2013 describes the GPS network, where it came from, how it works, and how it it being upgraded with a new generation of satellites.
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Resource Link: https://www.youtube.com/watch?v=IoRQiNFzT0k