[TowerTalk] Mot R36 related to NUMBER of installed ground rods

[Wes Stewart]

This might be of interest.

www.electricalpartmanuals.com/pdf/miscellaneous/Biddle%20Instruments/.../25TA.pdf


On 11/3/2017 5:14 AM, Clay Autery wrote:
> Simple answer... you can't.  There is an Appendix in R56 that details how you 
> measure your system to insure you meet whatever standard you set for yourself.
> It would appear that the equipment for the measurements is more expensive than 
> adding a significant number of rods and wire. I'm planning to create the 
> largest disc-like field possible within the bounds of my tiny property, which 
> according to my figures will be massive overkill... which is exactly what I am 
> going for.
>
> Please feel free to email/call me if you want to chat on the subject.  I have 
> spent several hundred hours researching, studying, designing my system.
> I'll guarantee you that there are folks here more experienced and more 
> qualified than I to discuss this with you, but I'm willing nonetheless.
>
> Have a great day!
>
> 73,
> Clay, KY5G
> (318) 518-1389
>
>
> On 11/3/2017 12:10 AM, Jeff wrote:
>> I’m laying out the ground rod scheme for the towers.
>>
>> As I look at Mot R56, it seems like about 45’ of rods gets you to the 5 ohm 
>> target based on one of the graphics they provide That’s about 9 ground rods 
>> spread out in 3 legs each with 3 rods separated by 16’ assuming 8’ rods and 
>> average soil.
>>
>> While I realize more is better, how do you determine “enough” in the context 
>> of ground rod count?
>>
>> 73/jeff/ac0c
>> www.ac0c.com
>> alpha-charlie-zero-charlie
>
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