Authorization

DOT evaluated 11 GPS replacements and found only one that worked across use cases

The United States’ GPS system, which is operated by the Defense Department, offers every one of us critical infrastructure around what is known as positioning, navigation and timing (PNT). Positioning and navigation is obvious every time we open up a maps app, but timing is also a critical function of GPS — offering our smartphones and devices precision timing to ensure that compute processes are accurately synced.
As more of the economy relies on these systems, they have increasingly become a target of hackers through GPS spoofing. The government wants to create additional redundancy and resiliency in the sector, and has explored using commercial alternatives to augment or backup parts of the GPS system.

Trump administration aims to protect GPS with new exec order
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