[TowerTalk] ground rods and angle...

[Big Don]

Might exercise caution on what chemicals are getting dumped into the
ground. Check fed, state, local regs.if uncertain.
e.g., some fly ash contains arsenic.
Would not want to inadvertently turn your QTH into a Superfund site......
Don  N7EF.

On Tue, Jan 19, 2016 at 11:11 AM, jimlux <jimlux at earthlink.net> wrote:

> On 1/19/16 9:42 AM, Jim Brown wrote:
>
>> On Tue,1/19/2016 7:10 AM, Chris wrote:
>>
>>> Backfill with bentonite or similar conductive earth material.  I know
>>> a local installer who puts up broadcast towers who did this and
>>> created a ridiculously low resistance ground network on a rock
>>> mountaintop.
>>>
>>
>> Yes, but -- it's my understanding that bentonite and similar materials
>> must be recharged periodically to be effective.
>>
>>
> ionic salts, yes
> bentonite, no
>
> the ionic affinity of bentonite is all about it's mechanical and chemical
> structure. It's a very, very fine clay with all sorts of unusual properties.
>
> the bentonite has to have moisture, though.
>
> This is one of the big selling points to bentonite and fly ash: they don't
> leach. You don't get into trouble with the NEPA, CEQA compliance, for
> instance.
>
>
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