Re: NEC-LIST: ground conductivity of grassy soil

From: Jim Lux <James.P.Lux_at_email.domain.hidden>
Date: Thu, 07 Aug 2008 11:12:22 -0400

At 06:51 AM 8/7/2008, Chuck Hutton wrote:
>How much benefit would there actually be? Skin depth at AM BCB frequencies
>would run maybe 20 to 40 feet IIRC, making me wonder whether keeping the
>upper foot or two of topsoil wet will help much. Ditto the foot of bentonite
>around ground rods.
>
>Chuck

You're probably right. Although, increasing the conductivity will
decrease the skin depth, so if you go far enough, most of the current
will be travelling in the hopefully less lossy surface layer.

-- 
The NEC-List mailing list
NEC-List_at_robomod.net
http://www.robomod.net/mailman/listinfo/nec-list
Received on Thu Aug 07 2008 - 15:12:19 EDT

This archive was generated by hypermail 2.2.0 : Sat Oct 02 2010 - 00:10:46 EDT