[Elecraft] Radials for Verticals

[David Cole]

Why not use a vertical dipole?  Gap sells them for single bands, or get
a multi-band Gap.  The Gap Challenger I have works really well on 40 and
20.  I would think a single band vertical dipole would do wonders, and
no radials...
-- 
Thanks and 73's,
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On Mon, 2014-06-30 at 10:37 -0600, Doug Person via Elecraft wrote:
> Thanks for all the advice guys.  The situation requires that the radials 
> be placed at least slightly below the surface.  I'm always faced with 
> the fact that my land is surrounded by open range which means that 
> hundreds of head of cattle roam freely.  If my new fence charger fails 
> then the cows will break the fence to get to the lush grass and hay 
> storage reserved for my horses.  So, in order for the radials to not get 
> tangled in the legs of my 1200lb kids as well as the elk, moose and deer 
> that constantly move through my land, elevated radials would need to 
> something like 20' in the air (moose are really big).  Getting them 
> underground enough so a horse with steel horseshoes won't inadvertently 
> dig one up while engaging in typical horse play ("horsing around" is a 
> phrase with real meaning around here).
> 
> My soil is about 10-14" of old forest loam (what we call here "duff") on 
> top of a rocky layer followed by a substantial layer of clay.  An old 
> chainsaw chain on a small saw will cut a groove through it like the 
> proverbial knife through butter.  That should make getting it down about 
> 6" a simple task.  Soil conductivity changes dramatically depending on 
> the season.  Moisture is held in the soil for many days after a 
> rainstorm.  But by the dry season in August, its dry as dust. Winter 
> here starts in October and lasts to April during which the ground is 
> frozen solid to several feet.
> 
> So I guess my biggest concern is that the wire will corrode rapidly as 
> K9HZ has suggested in a direct email.  I have numerous lengths of old 
> aluminum lying on the ground at my antenna site.  There does not appear 
> to be the slightest bit of visible corrosion.  But perhaps being 
> literally under ground as opposed to lying on the ground makes a big 
> difference.
> 
> So thanks for the reading links and suggestions.  I'll have to give this 
> some serious time to study before deciding what to do.  I might turn it 
> into a very large loop antenna at about 40 to 50'.  Having been attached 
> to plastic insulators on 5' fence posts for the last 10 years, it shows 
> absolutely no corrosion.  So I know it can stand up to the weather just 
> fine.
> 
> 73 and much thanks for the responses.
> 
> Doug -- K0DXV (Western slope of the Rockies at 8200+ feet)
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