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{{Event series
|Acronym=PAST
|Title=IEEE International Symposium on Phased Array Systems and Technology
|Field=Microwave engineering
}}
''Phased array systems have made major steps forward with the development of many major radar and communications systems. Due to many recent advances, including MMIC, photonics, and digital beamforming, phased array systems and technology continue to progress rapidly.''

The first technical symposium on phased arrays was organized by the U.S. military by the U.S. Air Force’s Rome Air Development Center (RADC), Griffiss Air Force Base, Rome, New York and held in 1964 at RADC, Rome, New York. 
The second technical symposium on phased arrays was organized by the Polytechnic Institute of Brooklyn and held in 1970 at the Polytechnic Institute of Brooklyn, New York City.
The third technical symposium on phased arrays was organized by the U.S. Air Force and held in September 1985 at Bedford, Massachusetts.
The IEEE Boston Section has organized and run five phased arrays symposium in the Boston area on Rt. 128 (Westin Waltham) during mid-October of: 1996, 2003, 2010, 2013, 2016, 2019
Another IEEE symposium on phased arrays, the IEEE International Conference on Phased Array Systems and Technology, was held during May 21–25, 2000 at Dana Point, California and organized and run by the IEEE Los Angeles area Council.
EventSeries acronym	PAST +
Field	Category:Microwave engineering +
IsA	EventSeries +
Title	IEEE International Symposium on Phased Array Systems and Technology +