Hello- Possibly someone here may know answers, I would like to know about
this. I had a 110' 45G tower up for about 8 years located about halfway between
Houston and Galveston, TX. I had 6 x 10' copper clad steel ground rods down,
interconnected with #2 solid copper wire. Soil was the gumbo as they call it.
There were 2 rods going out from each tower leg under guy wire pattern. I used
Cadweld One-Shots to attach #2 wire to ground rods. When I moved to this new
QTH in East Texas I jacked the rods out of the ground and salvaged as much of
the #2 wire as I could. All of the 6 ground rods had a grayish-white appearing
crusty coating stuck on them, it was worse in the top 4' of the rods. Appears
some form of mineral deposits. I used sandpaper to get it off but underneath
the crusty outer part, up against copper, the material was plated onto the
copper and took some work to get it sanded off. Appears I suffered no loss of
copper cladding thickness. Just curious what the material is, I assume it is
same minerals that show up in hard water. Even more curious about, when a
ground rod gets coated like this, does it suffer any loss of its
performance?Thanks,Byron W5FH
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