LED voice transmission over 104 miles
andre.kesteloot at verizon.net
Fri Jul 7 21:28:57 CDT 2006
LED voice transmission over 104 miles:
These Tasmanian hams transmitted voice over 104 miles between mountain
peaks using Luxeon LED-powered transmitters. The circuits and pictures
of the rigs are described.
Check out the old school handset being used.
Of course they were dismayed that U.S. Army heliograph operators managed
183 miles more than 100 years ago (Morse code).
Now that's old school!
(from one of our Correspondents)
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