Sadly the 6000 mile antenna never got built, but they did get a few tens of mile long ones built. https://en.wikipedia.org/wiki/Project_Sanguine https://en.wik

Sadly the 6000 mile antenna never got built, but they did get a few tens of mile long ones built. https://en.wikipedia.org/wiki/Project_Sanguine https://en.wikipedia.org/wiki/Project_Sanguine