The Holmdel Horn Antenna is a large microwave horn antenna that was used as a satellite communication antenna and radio…

The Holmdel Horn Antenna is a large microwave horn antenna that was used as a satellite communication antenna and radio telescope during the 1960s at Bell Telephone Laboratories. 📡👽 https://t.co/fe1W1aqHvd

—Rosa M☵☲nkmɐn (@_menkman)