learning about https://web.archive.org/web/20230919050349/https://www.sigidwiki.com/wiki/Duga_3 https://web.archive.org/web/20230919050349/https://www.sigid...

learning about https://web.archive.org/web/20230919050349/https://www.sigidwiki.com/wiki/Duga_3 https://web.archive.org/web/20230919050349/https://www.sigid... and https://web.archive.org/web/20231019154254/https://www.sigidwiki.com/wiki/The_Buzzer_(ZhUOZ_MDZhB_UZB76) https://web.archive.org/web/20231019154254/https://www.sigid... took me down the rabbit hole, eventually to https://en.wikipedia.org/wiki/The_Conet_Project https://en.wikipedia.org/wiki/The_Conet_Project