Interesting Mike ?
I replaced my Hi Gain 3 element with an XM240 and it's insulated elements
gave me no top loading for my shunt feed tower ( only boom @ DC ground)
Question ..... Di the grounding have any effect on the antennas Band width
or Front to back ?
Wayne W3EA
> Date: Thu, 17 Apr 2014 08:55:53 -0600
> From: w0mu@w0mu.com
> To: towertalk@contesting.com
> Subject: Re: [TowerTalk] CC XM240 above a big Tribander
>
>
>
> When I was in Montana, I had an ungrounded XM240 and every time a storm
> would brew up you could hear the sprarking between the element and the
> boom in person and obviously on the radio. At night you could see it.
>
> I put a ground strap on my XM240 here in Colorado and I don't have that
> problem. The XM240 should have minimal interaction. Mine is 10 - 12
> feet above my SteppIR.
>
> Mike W0MU
>
> On 4/17/2014 6:26 AM, N2TK, Tony wrote:
> > Wasn't there something said years ago about grounding the reflector on the
> > XM240 so it would work like the earlier 402CD? I can't remember if this was
> > intended to reduce the interaction on 15M or if you had the antenna at right
> > angles to a 20M beam the grounding would reduce a 20M resonance on the
> > XM240?
> > Lots of cobwebs in the belfry on this one.
> >
> > 73,
> > N2TK, Tony
> >
> > -----Original Message-----
> > From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of Bill
> > Parry
> >
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