Comment by efosmark
8 years ago
You can talk to someone in Australia without routing through the internet. Through HF radio (3MHz-30MHz), you can bounce radio signals off of the Earth's ionosphere and talk all around the world.
8 years ago
You can talk to someone in Australia without routing through the internet. Through HF radio (3MHz-30MHz), you can bounce radio signals off of the Earth's ionosphere and talk all around the world.
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