Wurm42 t1_iu6p7wf wrote
Reply to comment by reddit455 in TIL that in 1968 the US Navy proposed turning 2/5ths of Wisconsin into a giant underground radio antenna so orders could still be sent to submarines following a nuclear attack on America by DeadForDecember
Yeah, the bitrate is terrible, which is why Sanguine and other early military ELF transmitters only sent three-letter code groups.
The messages you could send were basically "Sub X, execute plan Q out of your standing orders, or "Sub X, find a safe spot to surface and check in by radio or satellite coms".
SFXBTPD t1_iu8tgd3 wrote
Sub Z in the foyer with the ballistic missle
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