SublimeMudTime t1_iu60j26 wrote on October 28, 2022 at 8:27 PM Reply to 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 I thought a long time ago I read that there was an ELF (extremely low frequency) transmitter in Black Duck, MN. Permalink 44
SublimeMudTime t1_iu60j26 wrote
Reply to 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
I thought a long time ago I read that there was an ELF (extremely low frequency) transmitter in Black Duck, MN.