Can China jam your GPS?
Its huge investment in the rival BeiDou system may give it an edge
IN MARCH, WHEN President Donald Trump briefly withheld intelligence support from Ukraine, the shock waves buffeted America’s allies, who worried they could no longer take for granted access to the superpower’s vast space-based resources. This uncertainty extends beyond defence to equally crucial tools, such as the Global Positioning System (GPS).
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This article appeared in the International section of the print edition under the headline “Lost signals”
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