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Message-ID: <3.0.5.32.19990824165023.009b02e0@sunf0>
Date: Tue, 24 Aug 1999 16:50:23 +0100
To: rsgb_lf_group@blacksheep.org
From: "Simon Lloyd-Hughes" <simon.lloyd-hughes@rd.bbc.co.uk>
Subject: Re: LF: Multiple tuned vertical
In-reply-to: <37BEAA82.B926CC8C@bellatlantic.net>
References: <000601beeba0$859e6e80$ed29f482@win95.swipnet.se>
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Is there an ISBN number for this?

At 09:32 21/08/99 -0400, you wrote:
>Hello Chris,
>A mathematical (and practical) treatment of Multiple Tuning for vertical
antennas can be found in:
>
>    Radio Antenna Engineering
>    by Edmund Laport McGraw Hill NY 1952
>    pp. 38-43
>
>This book is obviously out of print, but I could send you photocopies of
the relevant pages.
>73
>Andre' N4ICK
>***********************************
>
>Christer Andersson wrote:
>
>> I would like to hear if anyone have tested the Multiple Tuned Vertical
in some form.
>> I have understood that the antenna transforms the feed impedance with a
factor equal to the square of the number of wires used. E.g.10 wires would
raise the feed impedance about 100 times.
>> I'm just rebuilding my LF-station and this antenna looks very
interesting. However, not much information has been found in my
litterature. Links or articles would be much appreciated.
>> 73,
>> Christer / sm6pxj
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