[TowerTalk] grounding radials: solid or stranded?

[Tom Rauch]

> The real question is whether this is practical or
worthwhile at HF (>3 MHz)
> frequencies.  It's certainly worthwhile at 60 Hz (HV
transmission lines use
> "bundles" rather than single strands to reduce series
inductance (as well as
> improve HV breakdown)).  It's also probably worthwhile at
tens or hundreds
> of kHz (as in switching power supplies, where they do use
Litz wire in
> transformers).

http://www.w8ji.com/skindepth.htm

73 Tom