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Old 28th Feb 2019, 10:21 pm   #5
Sideband
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Join Date: Oct 2003
Location: Croydon, Surrey, UK.
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Default Re: Which is the best material for an aerial sleeve?

Quote:
Originally Posted by Biggles View Post
I had heard a few years ago that some plastic pipes can attenuate the signal reaching the antenna, depending on the material they are made from. One suggestion was to put a test piece in the microwave for a few seconds and if it becomes warm then the material is unsuitable for the antenna cover as it absorbs RF energy.
There is some logic in that....if there is any metal content. Try it for a minute or so but put a cup of water in the microwave as well to act as a 'load'. The cup of water should get warm but the test plastic should stay cold.
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