Solar-Powered UAV Succeeds in Flying 14 Km above Sea Level
by Press from sUAS News – The Business of Drones on (#H9AH)
by Cho Jin-young A locally-developed high-altitude solar-powered unmanned aerial vehicle (UAV) has successfully flown in the stratosphere. As a result, the development of a solar-powered UAV capable of remaining in the stratosphere for a long period of time will gain momentum."