> 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
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