Comment on In some countries (such as the USA), sending encrypted communications via Amateur Radio is illegal, but how likely will the government actually enforce it, and how severe would the consequences be?

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bstix@feddit.dk ⁨4⁩ ⁨weeks⁩ ago

This was used in the war between Russia and Finland in 1941. Without software though.

Russian had placed bombs in a city in Finland and the bombs could be triggered by a combination of frequencies broadcast on radio.

The Finnish engineers figured it out and drove a car around the city broadcasting a song that would trigger the bombs safely.

https://en…wikipedia.org/wiki/S%C3%A4kkij%C3%A4rven_polkka

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