News of the WeekMILITARY ASSETS

Scientists Gain Access to Sharper GPS Signal

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Science  05 May 2000:
Vol. 288, Issue 5467, pp. 783
DOI: 10.1126/science.288.5467.783a

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Summary

This week, U.S. President Bill Clinton ordered his military commanders to turn off a scrambling device on Air Force positioning satellites. The change, effective at midnight on 2 May, provides researchers and commercial users with a 10-fold improvement in their ability to pinpoint their own location and various features on Earth.