Computerized charts have NO connection to GPS...they are often just a "scan" of a paper chart loaded into a reading device (phone, tablet, computer) or a collection of data points and read on a screen, instead of being printed on paper.
Only the nav portion of a chartplotter is affected by GPS loss...NOT chart reading or piloting actions.
Yes many will be lost when and if GPS is disrupted...but IT HAS NO BEARING ON whether you use paper or electronic charts.
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