Here is your one-stop source to decipher all the ALMA acronyms!
ACA: Atacama Compact Array (Array composed of 16 antennas)
AIVC: Assembly, Integration, Verification and Commissioning
ALMA: Atacama Large Millimeter/submillimeter Array
AMAC: ALMA Management Advisory Committee
ANASAC: ALMA North American Scientific Advisory Committee
AOS: Array Operations Site (located at an altitude of 5,000 meters)
ARC: ALMA Regional Centre
ASAC: ALMA Scientific Advisory Committee
ATF: ALMA Test Facility in Socorro, New Mexico, USA
AUI: Associated Universities, Inc.
ESAC: European Scientific Advisory Committee
ESO: European Southern Observatory
IPT: Integrated Product Team
JAO: Joint ALMA Observatory
JSAC: Japanese Scientific Advisory Committee
NAOJ: National Astronomical Observatory of Japan
NINS: National Institutes of Natural Sciences
NRAO: National Radio Astronomy Observatory
NSF: National Science Foundation of the USA
OSF: Operations Support Facilities (located at an altitude of 2,900 meters)