http://www.dailymail.co.uk/sciencetech/article-2122762/Airborne-power-generator-produce-energy-1-000-feet.html
"Altaeros Energies, a U.S wind energy company formed out of the Massachusetts Institute of Technology, announced that it has successfully generated energy from 350 feet up with an automated prototype of its airborne wind turbine (AWT). The completed commercial version would rest at 1,000 feet, where winds are stronger and more consistent, according to Altaeros Energies." <end excerpt>

