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Old February 6th 05, 10:10 PM
 
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wrote:
Hi,

Well, our Super J-pole:

http://users.marktwain.net/aschmitz/...jpolecalc.html


Is beating our Yagi in ALL directions,
even in the forward lobe!
much snippage


Must be one horridly poor yagi. Most 3 eleemnt designs are better
than 8dBi and with a little effort an be 1 db better than that.


8 dBi WITH a 180 degree pattern?
And WITH A F/B ratio that doesn't exceed 11 dB
or so?

I don't think so.

Do you have a design you can show us?



Most Stacked Jpoles do not perform as well as predicted on paper with
the upper added dipole contributing .5 to 1 db less than guessed at.



Allison



How did you come to this conclusion? What
sort of field strength equipment did you use?

Again, i would be the first to say
that reality doesn't fit the math model,
sometimes not at all. But is this case,
you can really hear the difference.



Slick
Slick

 
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