[TowerTalk] Re: Silver Plated Ground strap
Wed, 25 Nov 1998 13:19:03 +0000
I was able to pick up about 180 feet of multi stranded silver plated copper
cable that was about 1.5 inches in diameter. I have about 30 feet going out
from each leg of my tower and laying on the ground. Each year it starts
sinking a little farther into the ground. The reason I went for it is that
silver I believe is the only metal whose oxide actually has a lower resistance
than the metal itself (which is already one of the very best conductors!).
Pat Barthelow wrote:
> I use salvaged silver plated braid from Mil spec coax for ground strap.
> Does the special properties of silver oxide (very low resistance) obviate
> the problems discussed about high rf resistance of broad braided cables?
> BTW, I worked a couple of years at the Indianapolis Motor Speedway,
> (Timing and Scoring) and saw the networks there replacing literally MILES
> of 75 ohm double shielded (Silver plated) video (complete replacement
> every 2 years) coax. Friendly chatter with the
> techs there allowed me to salvage as mouch as I wanted. Apparently
> when $100 million is in the balance, in broadcast revenue, the cost of
> replacement of the coax gained more in reliability for the broadcast than
> the cost of the coax. Local hams might want to check in with IMS about
> the coax.....
> 73, DX, de Pat, AA6EG/N6IJ;
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