Re: quadrifilar helices (fwd)

---------- Forwarded message ----------
Date: Thu, 18 Jul 1996 21:09:13 -0400 (EDT)
From: Ed Guzis <EdGuzis_at_cris.com>
To: hansen wang <hansenw_at_ee.ubc.ca>
Subject: Re: quadrifilar helices (fwd)

See August 1996 issue of QST... article on design and construction of one
for use with weather satellites.

Good luck,

Ed Guzis, W9TW

At 09:33 AM 7/18/96 -0700, you wrote:
>
>
>---------- Forwarded message ----------
>Date: Thu, 18 Jul 96 11:35:16 MET
>From: Gerry van Dooren (XEA) tel. 4664. <GVDOOREN_at_estec.esa.nl>
>To: neclist <nec-list_at_ee.ubc.ca>
>Subject: quadrifilar helices
>
>Is there anybody out there that has some experience and/or info on
>(multi-turn) quadrifilar helix antennas? I have some references to work of
>Kilgus in the early seventies, but this mainly considers <1 turn helices. I
>would be interested in the impedance properties ass function of geometrical
>parameters like axial length, diameter and pitch angle.
>
>Any info is appreciated. Please send me e-mail and I will summarize on the NEC
>list.
>
>Regards, Gerry.
>
>----------------------------------------------------------------------
>Gerry van Dooren, XEA (GVDOOREN_at_ESTEC.ESA.NL)
>European Space Agency/ESTEC, PO Box 299, 2200AG Noordwijk, Netherlands
>tel.: +31-71-565-4664, fax: +31-71-565-4999
>
>
>
Received on Fri Jul 19 1996 - 15:01:00 EDT