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Re: [TenTec] Antenna measurements

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] Antenna measurements
From: Steve Hunt <steve@karinya.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sun, 21 Apr 2013 22:14:45 +0100
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
That's correct - it's charge acceleration and deceleration which causes radiation. If you take a long wire and terminate it in its characteristic impedance it will radiate - there doesn't need to be a discontinuity at the end. Same for a terminated Rhombic.

Steve G3TXQ


On 19/04/2013 23:27, shristov wrote:
This is incorrect and misleading. Whenever an AC current flows on a wire, there is an accompanying and inseparable AC electromagnetic field surrounding the wire. And the said AC field propagates in all directions. It is as simple as that. No special conditions are needed, and one doesn't have to do anything special in order to provoke radiation. "Radiation" would be easier to comprehend if we stopped calling it "radiation", and started calling it "disturbance propagation", what it actually is. 73, Sinisa YT1NT, VE3EA

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