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Subject: Re: LF: Re: How measuring Ground conductivity ?
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What does s stand for as in 10s of meters ? *(Presumably metres)*


I thought distance apart made no difference in homogenous soil ?

Bryan (Floating in a boat on sea-water )

 Quoting Hugh M0WYE <m0wye@thersgb.net>:

> .
> 
> However I got similar readings to you - around 10 ohms - with moist, garden 
> soil.
> 
> I found the most repeatable readings were when one current and one voltage 
> probe, 1m apart, were seperated by 10s of meters from the other pair - as is
> 
> used for archeological ground resistance surveys.
> 
> 73
> Hugh M0WYE
> 
> 
> ----- Original Message ----- 
> From: "Uwe Wensauer" <uwe.wensauer@gmx.de>
> To: <rsgb_lf_group@blacksheep.org>
> Sent: Monday, November 14, 2005 4:31 PM
> Subject: LF: How measuring Ground conductivity ?
> 
> 
> To discuss
> 
> Measure ground conductivity.
> 
> 
> I placed two stainless- steel rods ( 3mm dia ) whithin a distance of  7 
> Meters apart abt 80cm deep into soil
> 
> Powered with 50 Hz.
> In series with the electrodes is a 10 Ohm resistor. In order to measuring 
> current, I measure the voltage drop across resistor.
> 
> Depending on weather I got 8 Ohm / m = 125mS
> 
> Is this measurement setup ( proceeding ) correct ?
> 
> Please correct me.
> 
> Uwe, DK1KQ
> 
> 
> 
> 


-- 


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