To: | <jsb@digistar.com>, <towertalk@contesting.com> |
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Subject: | Re: [TowerTalk] CobWebb antennas - success stories? |
From: | "John Tait" <bravo@iol.ie> |
Date: | Wed, 22 Sep 2004 23:45:49 +0100 |
List-post: | <mailto:towertalk@contesting.com> |
It's a clever and effective antenna for people with little room, and with TVI problems. Basically it's a nest of FOLDED dipoles with a choke balun at the feedpoint. Ordinary dipoles in such a configuration would have a low feed impedance, and narrow bandwidth, Using folded dipoles gets over both problems.. That's how I read it anyway.. BTW the patent holder for the CobWebb knows his onions...He's in R&D for the Military. Also, beware that there are people selling pirate versions that usually DON'T work very well. 73 John EI7BA http://www.iol.ie/~bravo/ _______________________________________________ See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA. _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.contesting.com/mailman/listinfo/towertalk |
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