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where a farmer told The New York Times that he had got into his tractor to plant corn on Friday evening when he received a warning about an outage from his GPS system. READ MORE: Solar storm ...

The GPS systems, which are usually found in tractors and combine harvesters ... manufacturers to add forensic marking on GPS devices, farm transport and machinery to stop the rising number ...

“The good news is those radio blackouts for GPS may only last for a few hours or half a day,” says Dr. Terry Griffin a Professor & Cropping Systems Economist at Kansas State University.