Westford, Italy
The Millstone Hill Steerable Antenna, or MISA, is a fully steerable dish antenna, 46 metres (151 ft) in diameter, designed by the Stanford Research Institute (SRI) in 1959. It is currently located at MIT Haystack Observatory in Westford, Massachusetts.
Listen to the audio guide for Millstone Hill Antenna Free on WIP — starts by itself when you arrive, even with the screen off