[Heathkit] Broadband dipoles
crawfish
crawfish at surfmore.net
Sat Nov 25 00:12:23 EST 2006
No, they were coax fed. I should have thought of the 1/4 wavelength line to
run to the other V. We had very good luck with the double inverted V.
Joe W4AAB
----- Original Message -----
From: "Peter Markavage" <manualman at juno.com>
To: <HEATHkit at mailman.qth.net>
Sent: Friday, November 24, 2006 8:49 PM
Subject: Re: [Heathkit] Broadband dipoles
> It almost sounds like an inverted Vee turnstyle antenna except you
> normally feed the second Vee with a quarter wave length of 75 ohm cable
> between it and the other antenna input if you're using 50 ohm coax to
> feed the "array". This provides you with a 360 onmi directional pattern
> generally good for the frequencies at which the antennas are cut. I'm not
> sure what kind of radiation pattern you're getting just putting the
> antennas in parallel and at 90 degrees to each other. Were you feeding
> them with open wire line?
>
> Pete, wa2cwa
>
> On Fri, 24 Nov 2006 18:18:16 -0800 "Kenneth G. Gordon"
> <kgordon2006 at verizon.net> writes:
> > On 24 Nov 2006 at 18:58, crawfish wrote:
> >
> > > One antenna we used on Field Day was what a friend called the
> > > Inverted-X, which was two inverted-vees at right angles, one cut
> > for
> > > 3900 and the other for 3600. Each fed with separate feedlines.
> >
> > I've used a similar antenna in the past. You do not need separate
> > feedlines. Just connect them together at the top insulator, spread
> > them
> > out at "90 degrees opposing" (one E-W, one N-S), and have at it.
> >
> > Ken Gordon W7EKB
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