>From Dave Cuthbert's comments to me regarding a 1/4
wavelength dipole; he said that the current moves down the
rod as the rod becomes thicker, which implies that the
current distribution absolutely determines the effective
length. Was that "effective length" or "tuned length"? hmm
However, the whole thing may start with the conductivity of
real life materials...
Interesting to see the others' comments.
- Robert -
Robert A. Macy, PE .. m...@california.com
408 286 3985 . . . .. . . fx 408 297 9121
AJM International Electronics Consultants
101 E San Fernando, Suite 402
San Jose, CA 95112
On Wed, 29 Oct 2003 16:59:20 +0800
kcc...@hkpc.org wrote:
>
>
> Dear all
>
> I got confused with the effective length of a half wave
> dipole.
>
> 1) It is due to non-constant current distribution, or
>
> 2) It is due to the wave velocity in materials different
> from that in
> vacuum.
>
>
> What do you think which one is correct?
>
> Regards
> KC Chan
>
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