November 17, 1976 the People's Republic of China at the Lop Nur test site conducted its largest thermonuclear explosion with a yield of 4 Megatons.
https://x.com/atomicarchive/status/1858210012038156486?t=lqefMLLULPI2uziWGc43fA&s=19
Anyone picking up nuclear comms today?
And I'm not talking about explosive information comms.