[TowerTalk] Re: One more ground radial question

[Jim Lux]

Hard to do, in a practical sense... You'd need a measurement receiver in an
airplane, helicopter, balloon etc, because the field strength at "ground
level" isn't really what you're interested.

Perhaps measuring beacons before and after?  But you've got the propagation
variations to worry about.

This is why evaluating HF antennas is such a royal pain.

----- Original Message -----
From: "Jan Erik Holm" <sm2ekm at telia.com>
To: <towertalk at contesting.com>
Sent: Wednesday, December 17, 2003 8:37 PM
Subject: [TowerTalk] Re: One more ground radial question


> Is something like this ever confirmed by field
> strenght measurements?
>
> 73 Jim SM2EKM
> --------------------------------------------------
>
> Don Havlicek wrote:
> > Yes!
> > In my case ... 60 radials spaced 6 degrees apart .. then concentrations
> > of ten radials at 1 degree each for Europe, Japan, South America, and
> > VK/ZL ... works like gangbusters .. all I need now is to clean out the
> > shack and put a new feedline out to the vertical again!
> > Don
> > N8DE
> >
> > va3pl at cuic.ca wrote:
> >
> >> ----- Original Message ----- From: "Don Havlicek" <n8de at thepoint.net>
> >> To: <kb9cry at comcast.net>
> >> Cc: <TowerTalk at contesting.com>
> >> Sent: Wednesday, December 17, 2003 12:12 PM
> >> Subject: Re: [TowerTalk] One more ground radial question
> >>
> >>
> >>
> >>> I believe the word "optimum" should be replaced with "sufficient".
> >>> My experience with verticals tells me that 100 radials works much
> >>> better than 60, especially when concentrated in certain directions.
> >>
> ,
>
>
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>
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