[aprssig] Satellite glitch rekindles GPS concerns

[n4lbl]

URLs for a few articles, all with more or less the same content, that you
may find interesting.

http://science.slashdot.org/story/09/06/18/034230/Satellite-Glitch-Rekindles-GPS-Concerns

http://www.networkworld.com/community/node/42767

http://www.insidegnss.com/node/1573

...and the last one may require an account:
http://online.wsj.com/article/SB124520702464422059.html
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