A tiny 840 grams satellite designed by a group of Israeli high school students at the Herzliya Science Center was successfully launched in Russia. Duchifat 1 is intended to orbit Earth every 90 mins for 20 years, assisting in locating lost travelers in areas with no cellphone reception.
http://www.timesofisrael.com/tiny-satellite-designed-by-israeli-students-preps-for-launch/
http://www.jpost.com/Enviro-Tech/Smallest-Israeli-nano-satellite-set-to-launch-tonight-359845