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Old Feb 23, 2010, 06:29 PM
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Cralis's Avatar
Eastern side of Australia
Joined Jan 2007
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GPS Under threat?

Interesting BBC news artical.

http://news.bbc.co.uk/2/hi/science/nature/8533157.stm

Funny thing about this line:

"Each satellite in a sat-nav constellation is putting out less power than a car headlight, illuminating more than a third of the Earth's surface at a distance of about 25,000 km.

What that means, and what has brought this group of policy-makers, academics and industry figures together, is that the signals can be easily swamped by equipment back on Earth. "


Funny part is that some of us (like me) are actually jamming ourselves with out video Txs..
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