|Feb 23, 2010, 06:29 PM|
GPS Under threat?
Interesting BBC news artical.
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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