> > Another factor causing loss with a high SWR is dielectric losses at the > recurring high rf voltage points along the line. At low impedances, it is > the resistive loss in the wire, and at high impedances, it is dielectric > losses that combine to cause signal loss. But SWR is much, much less > critical than most hams have been led to believe.
It is my understanding that at HF only resistive loss comes into play. Dielectric loss isn't a problem until you get into vhf. 73 Gary K4FMX
