Global Positioning System Reference
In-Depth Information
vice. Millions of people take it for granted with little or no understanding of
its operation or potential problems. Recent events should be a wake-up call.
Taken as a whole, the challenges associated with preserving privacy, adding
new satellite signals, synchronizing space and ground segment upgrades, avoid-
ing interference by other radio spectrum users, and cooperating with other
nations in a gnss world underscore how complicated maintaining gps is and
how vital a broader public understanding of it has become.
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