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| To: | [email protected] |
|---|---|
| Subject: | Re: LF: Re. Decca Masts |
| From: | "Mike Dennison" <[email protected]> |
| Date: | Thu, 13 Apr 2000 09:41:44 +0100 |
| In-reply-to: | <[email protected]> |
| Reply-to: | [email protected] |
| Sender: | <[email protected]> |
G3AQC wrote: << The performance of the Decca Ant. is quite interesting, the "gain"or at least the advantage over the normal amateur installation appears to be at least 20db.... This is tremendous and I dont see how it can be attributed to the height alone, conventional wisdom says that a short vertical has the same radiation pattern as a full sise one,and even 300 feet is far short of full sise. So where do we look for the explanation? >> Don't forget that the transmission was a full 1W ERP (from only 10W in!). Very few amateur stations are able to run that amount of power even with hundreds of watts input. Mike, G3XDV (IO91VT) http://www.dennison.demon.co.uk/activity.htm |
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