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#11
August 1st 10, 07:27 PM
posted to rec.radio.amateur.antenna
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Grounding for Gable end bracket & mast.
On Aug 1, 4:52*pm, wrote:
Szczepan Bialek wrote: "K1TTT" wrote .... On Jul 31, 5:34 pm, wrote: "Szczepan Bia?ek" wrote: "In fact, most dipolar solids exhibit extremely small dielectric losses since W tends to be extremely large. Water-free ice, for example does not heat significantly under microwave irradiation." From: http://www.tan-delta.com/mw_heating.html "Quartz glass has a very high dielectric strength but a very low electric conductivity, even at high temperature, high voltage and high frequency, nearly without electric loss in the range of the frequencies applied. Therefore quartz glass is an excellent high temperature dielectric material." I wish he would talk to art more, the two of them are more fun when they are combining their gibberish. i guess they just don't realize that the technobabble they have come up with doesn't really mean anything useful, and little pieces of knowledge taken out of context just can't be strung back together in any order to prove something they think is right. The question was: "Does solid insulation makes the radiation weaker or stop it?" And the question has been answered many times now by several people. In the real and practical world, no, insulation will not stop the radiation from an RF antenna and depending on the frequency and material of the insulation some of the radiation will be aborbed as heat by the insulation. |
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