[TowerTalk] Tower grounding

[Skip K3CC]

I'm not sure I understand the thread however,  NEVER EVER, ground anything
into the concrete base !!!!!!!    NEVER use any ground rods in concrete !!!!

If you would get a lightening strike, the current would carry into the 
concrete
and boil off the water.  When this happens the concrete will explode !!!

If you must ground a tower base I use 4 rods spaced about 4 ft from the 
base, Cad weld
the wire onto the rod and make a physical connection to the tower on all 
legs.  Bond
the wire with at least 2 clamps onto the tower base using a conductive paste 
.  Years ago I would pour Copper Sulfate
around the tower to aid in the ground conductivity.  As a point check the 
tightness of the
clamps every few months

it's not the best but who can afford the grounding system that works
de Skip K3CC