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Old 4-Apr-2021, 10:32 PM   #8
Tower Guy
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Join Date: Dec 2009
Location: Delmar, NY
Posts: 1,236
Quote:
Originally Posted by beebo89 View Post
What material makes a good insulator? My guess is that wood is not very good.
Here’s my trick. Take what material you have and put it in the microwave with a cup of water for one minute. If the plastic got warm, it has poor RF characteristics.

My favorite for strength and dielectric ability is fiberglass.
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