Laboratory testing of LoRa modulation for CubeSat radio communications Alexander Doroshkin, Alexander Zadorozhny, Oleg Kus, Vitaliy Prokopyev and Yuri Prokopyev MATEC Web Conf., 158 (2018) 01008 Published online: 19 March 2018 DOI: 10.1051/matecconf/201815801008