ALMA has its conceptual roots in three astronomical projects — the Millimeter Array (MMA) of the United States, the Large Southern Array (LSA) of Europe, and the Large Millimeter Array (LMA) of Japan.
ALMA hat seine Anfänge in drei astronomischen Projekten: dem Millimeter Array (MMA) der USA, dem europäischen Large Southern Array (LSA) und dem japanischen Large Millimeter Array (LMA).