You can also go very long distances if you use forward-error-correcting protocols like JT9 or WSPR. WSPRNet[0] is a network of WSPR transceivers that use milli

You can also go very long distances if you use forward-error-correcting protocols like JT9 or WSPR. WSPRNet[0] is a network of WSPR transceivers that use milliwatts to communicate across the world. It's just.... very slow. Edit: And this is very frequency dependent. [0] - http://wsprnet.org/drupal/ http://wsprnet.org/drupal/