>There's a really interesting video of a HAM guy who has built a system such that he yells into a microphone which then uses the audio energy to generate an RF

>There's a really interesting video of a HAM guy who has built a system such that he yells into a microphone which then uses the audio energy to generate an RF pulse that travels out the antenna. Fascinating, would love to see that in some distopian sci-fi story. Link for those that are curious: http://hackaday.com/2013/11/26/amateur-radio-transmits-1000-miles-on-voice-power/ http://hackaday.com/2013/11/26/amateur-radio-transmits-1000-...