“The Last Elephant Cage” is a fascinating NSA documentary about the monolithic FLR-9 antenna system
by Thomas from The SWLing Post on (#5DT1H)
Many thanks to SWLing Post contributor, Andrea Borgnino (IW0HK), who shares the following video-a 15 minute NSA documentary-about the FLR-9 Elephant Cage" antenna in Anchorage, Alaska. Click here to view on YouTube.