QB-50 Constellation Satellites Deployed from International Space Station:

More than 2 dozen QB50 constellation CubeSats have been deployed from the International Space Station (ISS), including three carrying Amateur Radio transponders. Built by student groups from 23 countries, the "string-of-pearls" QB50 constellation aims to study the lower thermosphere 200-380 kilometers above Earth. The satellites were launched to the ISS in March aboard an Atlas V rocket.

from Ham Radio Times http://ift.tt/2sk5Dwu
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