[Antennas] Re: "J" poles - Wait A Minute!

Sun, 14 Jul 2002 17:47:41 -0400

Displacement current is that portion of the current, most of it, that
Maxwell [circa 1890] discovered in the Mathematics of ExH Waves that
defines radiation.  It is DISPLACEMENT CURRENT that causes the antenna
to radiate.

Way back in the olden days, 1958, we had to know about such stuff!!

Deacon Dave, W1MCE

Dan Richardson wrote:
> 
> At 12:46 PM 7/14/2002 -0500, George wrote:
> >Let's think about the meaning of "displacement current."
> 
> Absolutely! Disregarding the transmission line, possible supporting mast
> and any other miscellaneous items for the moment, doesn't a displacement
> current (capacitance) exist between the open stub portion and the rest of
> the other components of the j-pole?
> 
> 73, Danny
> 
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