This just in: NASA-funded researchers released to the general public a new "4D" live model of the Earth's ionosphere. Called Earth Space 4-D, this new online tool visualizes the ionosphere using Google Earth and an Internet connection.
"This is an exciting development," says solar physicist Lika Guhathakurta of NASA headquarters in Washington, DC. "The ionosphere is important to pilots, ham radio operators, earth scientists and even soldiers. Using this new 4D tool, they can monitor and study the ionosphere as if they're actually inside it."
more at http://www.arrl.org/news/features/2008/05/02/10076/?nc=1
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