1Ohio State University Radio Observatory (Big Ear), Delaware, OhioRadio telescope (demolished 1998)
Within 100 m5 events · 3 artifacts
2Oak Ridge Observatory, Harvard, MassachusettsRadio telescope (Harvard–Smithsonian 25.6 m dish, Project META)
Within 100 m1 event
3Very Large Array, New MexicoRadio telescope
Within 1 km1 event