U.S. unscrambles GPS signals, making them more accurate for scientific and public use
Article first published online: 3 JUN 2011
©2000. American Geophysical Union. All Rights Reserved.
Eos, Transactions American Geophysical Union
Volume 81, Issue 20, page 222, 16 May 2000
How to Cite
2000), U.S. unscrambles GPS signals, making them more accurate for scientific and public use, Eos Trans. AGU, 81(20), 222–222, doi:10.1029/00EO00159.(
- Issue published online: 3 JUN 2011
- Article first published online: 3 JUN 2011
- Cited By
James Baker, administrator for the U.S. National Oceanic and Atmospheric Administration, announced the read-out from his hand-held global positioning system (GPS) device. Ground zero, in this case, he said, was pinpointed at 39°, 24 minutes north, and 77°, 58 minutes west: the White House press briefing room.
After years of intentional degradation of GPS location and timing information for national security reasons, Clinton Administration officials—including Baker—on May 1 announced the immediate curtailment of GPS' “selective availability” feature, and the worldwide unscrambling of GPS signals.