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March 23rd 11, 11:55 PM
posted to rec.radio.amateur.antenna
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Helically-wound Monopoles
A few years ago there was some discussion on r.r.a.a. about helically-
wound, normal-mode monopoles, and the rather common expectation that they had higher gain than a linear monopole of the same physical height (and with other things equal). A recent NEC-2 analysis of this topic might be of interest: http://i62.photobucket.com/albums/h8...r_Monopole.gif .. Also this link to a page from John Kraus' ANTENNAS FOR ALL APPLICATIONS, 3rd Edition: http://i62.photobucket.com/albums/h8...ndVertical.gif .. // |
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