On Mon, 21 Feb 2005 10:33:29 -0800, Roy Lewallen
wrote:
Is a material that is "high loss" at microwave frequencies always "high
loss" at HF? How "high" does the loss have to be in order to detract
from an HF antenna's performance when used as an end insulator? When you
put an object in the microwave oven for a minute with a glass of water
and the temperature rises 10 degrees C, how "high" is the loss? How
"high" is the loss at HF?

You're right, it doesn't even qualify as a SWAG! Hi!

Bob, W9DMK, Dahlgren, VA
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http://www.qsl.net/w9dmk
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