The Dish, also known as the Stanford Dish, is a radio antenna in the Stanford foothills. The 150-foot-diameter (46 m) dish was built in 1961 by the Stanford Research Institute (now SRI International). The cost to construct the antenna was $4.5 million, and was funded by the United States Air Force.[1] In the 1960s the Dish was used to provide information on Soviet radar installations by detecting radio signals bounced off the moon.[2]