NIST and Navy tests suggest telecom networks could back up GPS time signals

Thursday, September 8, 2016 - 12:21 in Mathematics & Economics

Precision time signals sent through the Global Positioning System (GPS) synchronize cellphone calls, time-stamp financial transactions, and support safe travel by aircraft, ship, train and car. What if GPS goes down? The National Institute of Standards and Technology (NIST) and the U.S. Naval Observatory (USNO), which operate U.S. civilian and military time standards, respectively, have […]

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