TOKYO--(BUSINESS WIRE)--Mitsubishi Electric Corporation (TOKYO:6503) and Kyoto University announced today that a middle and upper atmosphere radar (MU radar) that they jointly developed in 1984 has been presented with an IEEE Milestone by the Institute of Electrical and Electronic Engineers (IEEE), the world’s largest academic society. The award recognizes the MU radar as the first large-scale mesosphere, stratosphere and troposphere (MST) radar with a two-dimensional active phased array antenn