The high water table helps ionize salts in the soil.
Keith
-----Original Message-----
From: towertalk-bounces@contesting.com
[mailto:towertalk-bounces@contesting.com] On Behalf Of Jim Jones
Sent: Monday, February 28, 2005 3:15 PM
To: msembx-aa6e@yahoo.com
Cc: towertalk@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@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
>>_______________________________________________
>>
>>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.
>>
>>_______________________________________________
>>TowerTalk mailing list
>>TowerTalk@contesting.com
>>http://lists.contesting.com/mailman/listinfo/towertalk
>>
>>
>>
>
>_______________________________________________
>
>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.
>
>_______________________________________________
>TowerTalk mailing list
>TowerTalk@contesting.com
>http://lists.contesting.com/mailman/listinfo/towertalk
>
>
>
_______________________________________________
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.
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
_______________________________________________
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.
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|