The Stanford Dish, built in 1961, was used to detect these and other sorts of signals. Rather than over the horizon it was via earth moon earth bounce. https:/

The Stanford Dish, built in 1961, was used to detect these and other sorts of signals. Rather than over the horizon it was via earth moon earth bounce. https://medium.com/dish/tech-history-the-story-behind-stanfords-satellite-dish-hiking-trail-in-palo-alto-fc44745be409 https://medium.com/dish/tech-history-the-story-behind-stanfo...