I liked this YouTube video

Morse Code: Digital mode for interplanetary communication?

http://www.youtube.com/watch?v=ovIc7lkQMfY

73 Trevor M5AKA Daily Amateur Radio RSS News: http://www.southgatearc.org/ Get Daily Amateur Radio News by Email: http://tinyurl.com/ARemailnews ---- AMSAT-UK publish a quarterly newsletter OSCAR News, you can join at https://secure.amsat.org.uk/ AMSAT-UK Colloquium: http://www.uk.amsat.org/colloquium/ ----