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ProblemFactory
on July 26, 2018
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The World Economy Runs on GPS. It Needs a Backup P...
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.
Consider applying for YC's Spring batch! Applications are open till Feb 11.
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