[TowerTalk] Driving ground rods in rocky soil

[K4SAV]

Just bury a few strips of copper flashing just under the surface.  All 
you need for a K9AY loop is about 200 ohms ground resistance.

Jerry, K4SAV

Peter Dougherty wrote:

>OK, an update. I tried a different tactic. I went in at about a 60 
>degree angle, against earth that's sloping about 60 degrees the other 
>way (picture a sideways letter X - earth going one way, ground rod the other).
>
>I've been able to go in about 4 feet, but not an inch more. Got the 
>hose going full-on in case it's impacted clay soil, but I suspect 
>it's rock or roots. Wiggling the rod end does nothing, of course.
>
>For RF grounding (remember, this is a 160 receive loop that's going 
>up, not lightning protection or for TX), do you think I can get away 
>with this only 4' into the ground or must I go down 8'?
>
>Another thought, if you think this is feasible, I could probably 
>re-use one of my old cut-off ground rods (about 3 or 3.5' long) and 
>drive that down as far as I can do in a different direction and bond 
>my connection to both of these, if that would help.
>
>
>
>Cheers,
>
>Peter,
>W2IRT 
>
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