Quote:
Originally Posted by Biggles
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.
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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.