NEC-LIST:Re: nec2 newbie question: Biconical antenna

I would suggest that you follow the method of evaluation described in:

Givati O. and Fourie APC. "Analysis of Skeletal Wire Conical
Antennas" IEEE Trans. Antennas and Propagat., Vol. 44, No. 6, pp. 844-858,
June 1996.

A very simple numerical model (that compares well with measured results) is
suggested in the above publication. A design method for skeletal wire
conical antennas is outlined in the article.

Best wishes,
Ofer Givati

-----Original Message-----
From: Davor Virkes [SMTP:davor.virkes_at_ht.hr]
Sent: Friday, October 25, 2002 4:24 AM
To: nec-list_at_gweep.ca
Subject: Re: NEC-LIST:Re: nec2 newbie question: Biconical antenna

>Now, you made me curious about the discones. Is it possible to
>simulate a discone with a solid surface in nec2? Do I have to increase
>the nuber of wires until a certain point, when the wire-model behaves
>nearly like a model with a solid surface?

Actually, there is no need for that, make something like bunch of radials,
and it is supposed to work fine. In real world exact replica of this
skeleton solution is frequently used in VHF band.

>@Davor: What do you mean by snap-on? My dictionary returned "No matches
>found" ;-)

Well, that's a marketing kinda language. I found it in advertisements for
connectors, where they wish to emphasize that their connectors are fitted
in a snap. In real world, it is always good to have WD40 or tuner spray (or
few rugged-handed technicians) at hand to make them snap easier. And be
careful, or otherwise they may snap in a place you didn't want them to.

Davor

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