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[Nickbat]

Amazing article. It certainly opened my eyes to our reliance on this technology. 

http://www.newscientist.com/article/dn20202-gps-fail-how-a-little-black-box-could-cause-chaos.html?page=1

[Kevin Wood]

A good sprinkling of "dangle berries" has been added to that article for journalistic impact, IMHO.

He makes a good point, though. GPS provides a nice, free method for time synchronisation and location, but you get what you pay for, and anyone incorporating it into a mission critical system would be an idiot not to implement a strategy to detect and handle its' failure. It's easy to jam and spoof, for a start. I have worked with devices that can generate a convincing GPS signal myself.

You will find such a strategy in any aeronautical, marine or telecomms application so I can't see many things "going haywire". "Operating slightly sub-optimally" would be a better phrase, IMHO.

As for it landing aircraft.. Not a chance!

Kevin

[Banjax]

i had no idea the signal was so easily fooled, then again my tomtom quite often says "are you in a building?" when i'm sitting at 70 on the m90