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Help birds is a SOS device designed for victims to ask for help. Many rescue teams reconnoiter at high altitudes by helicopter, however, mobile signals and signals for help on the ground are scarcely perceptible. So Help bird combines two concepts of helium bottle and aerostat and will raise the bottle with GPS at high altitudes. It will increase more chances of being rescued and rescue team is more likely to find the victim’s location accurately by GPS installed in nitrogen bottle to reduce rescue time.
chien lin kuo,
suan long lu,