[TowerTalk] Radials - bare or insulated?
jimlux at earthlink.net
Tue Aug 22 09:46:51 EDT 2006
At 02:57 AM 8/22/2006, Jim Miller wrote:
>Is there an advantage to using bare radial wires vs. insulated to get
>electrical contact with earth? I used insulated 22 gauge wire (1000 ft)
>for radials around my vertical thinking it would last longer than bare
>wire. Now I wonder if I hurt the performance.
I would think not. You're concerned about RF currents, and the dielectric
around the wire just makes it look like a series capacitor (but one of very
low impedance) to the surrounding soil.
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