[Mldxcc] Dipole VSWR

[Emileigh Starbrook]

Yes, I think this is going to have to be the next step.  As soon as the sun
goes down :-))

Emi


------------
"There are two ways to be fooled.  One is to believe what isn't true; the
other is to disbelieve what is true."
- Soren Kierkegaard

Three - watch Fox News.
- Emily Clarke

On Wed, Jul 15, 2015 at 5:46 PM, Rick Samoian <ricksamoian at outlook.com>
wrote:

> This is easily explained.  The electrical ground changes conductivity with
> moisture content.  Example:  A dipole 1/2 wave or higher is about 70 ohms,
> the lower, to the ground,  the lower the impedance.
> This is a dry year, so......electrical ground is much lower (below the
> surface) that physical ground.
> If you want to run a physics experiment, just soak the ground for about
> 1/4 wave in all directions under the antenna and measure again.  It will
> change.........................de Rick,W6SR (Retired EE)
>
> -----Original Message----- From: Emileigh Starbrook
> Sent: Wednesday, July 15, 2015 3:28 PM
> To: MLDXCC
> Subject: [Mldxcc] Dipole VSWR
>
> This is going to sound like I am crazy, but I have noticed something that
> is troubling on one hand and curious to say the least.  What I have noticed
> since spring is the antenna height where the optimum VSWR for my dipole has
> been dropping - a lot.  20m now bottoms out at 1:1.1 roughly 8 feet lower,
> 15M has dropped about 10 feet.
>
> Is this being caused by a drop in the water table?  The ground here is
> extremely dessicated.  My yard doesn't have grass - it's zeroscaped with
> succulents that are drip watered (about 1/2 gallon per week) so I'm not
> putting water on/into the ground.
>
> Emily N1DID
>
>
>
> ------------
> "There are two ways to be fooled.  One is to believe what isn't true; the
> other is to disbelieve what is true."
> - Soren Kierkegaard
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