[TowerTalk] ground and conductivity

[Keith Dutson]

The high water table helps ionize salts in the soil.

Keith

-----Original Message-----
From: towertalk-bounces at contesting.com
[mailto:towertalk-bounces at contesting.com] On Behalf Of Jim Jones
Sent: Monday, February 28, 2005 3:15 PM
To: msembx-aa6e at yahoo.com
Cc: towertalk at contesting.com; Bryan W5KFT
Subject: Re: [TowerTalk] ground and conductivity

If fresh water is bad then how come dx'ing is better when water table is
high vs low water table?  One place I lived I had a water table indicator in
the well.  Only noticed because indicator was on wall behind radios.

Jim  K0HY

Martin AA6E wrote:

>>From the ARRL Antenna book:
>
>Surface Type              Conductivity (S/m)
>
>Fresh water                 .001
>Salt water                 5.0
>Pastoral hills (dallas!)    .0303
>etc
>
>Fresh water is about the worst ground system there is, according to 
>this table.  In terms of conductivity, anyway.  It does have a very 
>high dielectric constant, which helps reflect RF, too.
>
>73, Martin AA6E
>
>--- Bryan W5KFT <w5kft at nts-online.net> wrote:
>
>  
>
>>The recent discussions on conductivity have talked about different 
>>soil types and saltwater.  Is there any information available about 
>>conductivity for antennas mounted above "fresh" water (ie lakes)
>>
>>Is the additional conductivity worth the hassle for installation above 
>>a LARGE body of fresh water?
>>Trying to figure out if its worth it to use Lake Buchanan, Texas (8 
>>miles wide, 35 miles long)
>>
>>Bryan W5KFT
>>_______________________________________________
>>
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>>
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>>
>
>_______________________________________________
>
>See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any
questions and ask for Sherman, W2FLA.
>
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>  
>
_______________________________________________

See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any
questions and ask for Sherman, W2FLA.

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