Why a problem on the ground can affect flights thousands of miles away among other issues

Summary
Regional U.S. air traffic control centers communicate using a complex network that’s “one of the largest telecommunications systems in the country,” and disruptions like those seen on Friday with an hourslong, nationwide grounding of flights can reverberate widely, according to an aviation expert.
Description from The Seattle Times.
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- Why a problem on the ground can affect flights thousands of miles away among other issues
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Why a problem on the ground can affect flights thousands of miles away among other issues
Regional U.S. air traffic control centers communicate using a complex network that’s “one of the largest telecommunications systems in the country,” and disruptions like those seen on Friday with an hourslong, nationwide grounding of flights can reverberate widely, according...
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