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Re: Topband: Adding a Ground to Elevated Feed Vertical?

To: Mark Adams <msadams60@gmail.com>
Subject: Re: Topband: Adding a Ground to Elevated Feed Vertical?
From: DAVID CUTHBERT <telegrapher9@gmail.com>
Date: Tue, 29 Nov 2011 14:34:37 -0700
List-post: <topband@contesting.com">mailto:topband@contesting.com>
No
On Nov 29, 2011 2:08 PM, "Mark Adams" <msadams60@gmail.com> wrote:

> Hi Gang,
>
> I've been running my vertical for a couple of weeks now and it plays very
> nicely. The setup is:
>
> 85' up and 42' horizontal.
> Comtek 1:1 balun at feedpoint 7' off ground.
> 3 x ~137' radials all between 7 and 13 feet (driveway crossing height) off
> the ground.
> Fed with good coax.
> VSWR at rig end of coax is 1.9:1 at 1830 kHz.
>
> The question is whether it is worthwhile to install a ground rod under the
> feedpoint and connect the neg side of the balun to the ground rod (or maybe
> the shell of the 259 at the bottom of the balun). I'm asking because with
> my luck I won't be able to remove the rod once it is in and I cannot
> convert this antenna to ground radials because it is close to my driveway.
> OK, I could rent/borrow a horizontal boring rig.....
>
> 73,
> Mark K2QO
> K2 #543
> FN03ra**
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK
>
_______________________________________________
UR RST IS ... ... ..9 QSB QSB - hw? BK

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