Jicamarca Radio Observatory was created in 1961.
Metsähovi Radio Observatory was created in 1974.
Dominion Radio Astrophysical Observatory was created in 1960.
Hartebeesthoek Radio Astronomy Observatory was created in 1961.
Owens Valley Radio Observatory was created in 1958.
Five College Radio Astronomy Observatory was created in 1969.
Mount Pleasant Radio Observatory was created on 1986-05-13.
Ohio State University Radio Observatory was created in 1961.
Pushchino Radio Astronomy Observatory was created on 1956-04-11.
Ohio State University Radio Observatory ended in 1998.
Haleakala Observatory was created in 1961.
Dearborn Observatory was created in 1889.
Kiso Observatory was created in 1974.