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A comment on The World Economy Runs on GPS. It Needs a Backup Plan. Parent comment

Re:The World Economy Runs on GPS. It Needs a Backup Plan by njarboe on Thursday July 26, 2018 @01:54AM (#17615326)
1200mph and 59000ft altitude
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Re:The World Economy Runs on GPS. It Needs a Backup Plan by ProblemFactory on Thursday July 26, 2018 @04:39AM (#17615972)
Unfortunately many cheap GPS chips use the (incorrect) or definition, not and. It was a pain to find one that works above 59000ft but very slow speed for a weather balloon project some years ago.
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