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GPS signal under threat

A few years of reduced precision might affect scientists worldwide.

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2008 US Air Force report on GPS status

April 2009 GAO report on GPS future

May 2009 GAO report on space programme planning

AFSPC twitter page on GPS

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Laursen, L. GPS signal under threat. Nature (2009). https://doi.org/10.1038/news.2009.502

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