Discovery Magazine Wireless Article
hal feinstein
hfeinstein at cox.net
Sun May 13 07:36:12 CDT 2007
There is a nice short article on the history of radio in the June
issue of Discover Magazine.
"... broadcasting was actually started kick-started by amateurs: "By
the 19-teens, ham radio operators where
sending homework and football scores and news in Morse code, and then
they went to World War I and found
out about vacuum tubes." Thanks to the amplifying power of the newly
invented vacuum tunes, hams started
sending audio everywhere. "You could just set up a transmitter and
start broadcasting stuff,"....
There's a picture of Howard Armstrong's tower and another of an
antique TV Its aim is the general interest reader.
--hf
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