Here’s a weird one: “Ship’s captains and outside monitoring firms have reported waves of GPS …

Here’s a weird one:

“Ship’s captains and outside monitoring firms have reported waves of GPS jamming around Shanghai’s ports, on a scale and of a severity never seen before”

“The most likely culprit in the mystery is sand smugglers, who are part of a global network of sand-thieves who have literally cratered whole cities and islands in their drive to obtain sand for concrete. “

Sand thieves believed to be behind epidemic of Chinese GPS jamming

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