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| To: | [email protected] |
|---|---|
| Subject: | Re: LF: LF-antenna with top load |
| From: | "Mike Dennison" <[email protected]> |
| Date: | Thu, 16 Sep 1999 11:22:38 +0100 |
| In-reply-to: | <000d01beff9e$9ff064c0$3596b38f@w8k3f0> |
| Organization: | Radio Society of Great Britain |
| Reply-to: | [email protected] |
| Sender: | <[email protected]> |
PA0SE wrote: As there has been some discussion on the merits of different kinds of top loading I have performed some computer simulation, using the Antenna Optimizer program by Brian Beezley, K6STI, which is similar to EZNEC. 1. No top load Efficiency: 10.8% 2. One horizontal top load wire of 5 m Efficiency: 12.5% 4. One horizontal top loading wire of 10 m Efficiency: 11.9% 6. One horizontal top loading wire of 20 m Efficiency: 10.0% Dick,There's something wrong here isn't there?. You have a reducing efficiency for increasing top load length. Surely that can't be right. Mike, G3XDV (IO91VT) http://www.dennison.demon.co.uk/activity.htm |
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