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3 answers

Marconi invented them. RCA was formed by one of the fathers of radio. PBS had an incredible special series a few years ago - I cant think of the name but its exactly what you need. Google marconi.

2007-09-28 09:20:46 · answer #1 · answered by Anonymous · 0 0

google

2007-09-25 02:21:29 · answer #2 · answered by dumplingmuffin 7 · 0 0

http://inventors.about.com/od/rstartinventions/a/radio.htm
http://earlyradiohistory.us/

2007-09-25 02:26:41 · answer #3 · answered by JavaScript_Junkie 6 · 0 0

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