> I believe that fresh water has very poor conductivity.
Salt water has very
> good conductivity.
>
> Les W2LK
That's correct, but lakes have contaminants that increase
conductivity significantly over pure fresh water.
For example the Great Lakes' conductivity is in the range of
poor to fair soil, or about 8mS/m. Sea water is 5000 mS/m.
Just plain old dirt ranges from less than 1mS/m up to 30 or
more.
Not that it matters all that much for skywave.
_______________________________________________
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather
Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions
and ask for Sherman, W2FLA.
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