Greenbank, West Virginia. At left is one of the dishes Frank Drake used to develop his equation for the probability of life elsewhere in the universe. At the right is the 300 foot instrument.
Radio dish for students at Gettysburg College, Gettysburg, PA.
NRAO at Greenbank, WV. This is Grote Reber's dish from1937.
Entrance to the Greenbank facility. A replica of the first working radiotelescope antenna is the structure near the center of the image. This is what Karl Jansky used in 1930.