Even better, Ham Radio. A hobby actually has an active community of people using their stations to communicate long distance with other in a (semi-)digital form

Even better, Ham Radio. A hobby actually has an active community of people using their stations to communicate long distance with other in a (semi-)digital format. (E.G. PSK-31[1]). [1] http://en.wikipedia.org/wiki/PSK-31 http://en.wikipedia.org/wiki/PSK-31