"Richard Fry" wrote in message
...
Below is a link to a video describing the development work on an
interesting concept for an antenna:

http://www.youtube.com/watch?v=9tIZUhu21sQ

On 7 MHz a dipole constructed of salt water: Er = 81,
conductivity 5 S/m, and 0.5" diameter has a free
space efficiency of 0.08%. i.e. with 100 W input
the total radiated power = 80 mW.

Frank
(VE6CB)

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